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• Howto make a diff of a bios or backup/ restore all bios settings

  - by sfonck

  Hi, I'm using an Dell M90 Precision Laptop which has a NVidia Quadro FX 2500M graphics card and is running Windows XP. Laptop has been running fine - but a few weeks ago screen went 'white' - restarted computer- bios and startup screens show weird green dots and stripes, normal startup only shows a black screen... only VGA mode works to display something. I've been trying to remove and reinstall the correct drivers downloaded from Dell's website - no solution. I gave up and reinstalled XP - everything was working perfect again. 2 weeks later - again the white screen - tried everything again (flashin new bios also - nothing works) Reinstalled XP - everyhting was working again, so I made a DriveSnapShot of the partition. Today - again the 'white screen'. Ok, no problem ...I was thinking all I needed to do was to restore the DriveSnapShot backup... Few minutes later the backup is restored ... but guess what: video driver does not work correctly... As the DriveSnapShot restored the complete partition, as it was at the time everything was working perfectly, this would mean my driver problems are due to 'settings' in the bios or on the graphics-card itself + these 'settings' can get overridden by doing a new XP-install.... I'm out of options, can somebody help me to find a solution for this problem: Is there some way to backup and restore a bios after seeing some problems? Is there some way to know what is causing this problem like a bios diff utility? Thanks!

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• Disabling DNS Registration on Server 2008 R2

  - by WaldenL

  I want to tell a server 2008 R2 machine to NOT register it's IP addresses in DNS. I go into the Advanced tab on IPv4 and turn off "Register this connection's addresses in DNS" simple! But... the addresses are updated in DNS anyway! And actually the A record is eventually removed from the DNS server. I've confirmed that the checkbox is off by looking at it myself, and by checking the RegistrationEnabled registry value for that adapter. Both confirm that the registration is off. I've turned of DNS debug logging on the DNS server and I can see DNS Update requests coming from the server in question! This should not happen. What's even odder is that eventually (several hours) the A record for the server (which I added by hand!) is removed from the DNS server. I've also confirmed that scavaging is off on both DNS servers in the domain. Ideas? Edits: Per the comment: The server has static IP addresses. However, it's got two of them on one adapter. Since I'm in a VM (HyperV) environment I just spun up a second adapter and moved the second IP to the second adapter. I set the first adapter to auto-register (since that's the IP I want anyway) and the second adapter to NOT auto-register. We'll see if this is any better. Not any better. On a reboot of the server the registration was removed from DNS. Seems both cards are still contacting the server. Based on the DNS log the card that shouldn't register in DNS is registering a 'delete' request. And then the card that should register is registering an add request but that's ignored. I'm totally confused at this point.

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• Windows Server 2008 Services won't start after patch

  - by Antitribu

  After installing the run of the mill patches today on a Windows Server 2008 (Running as an AD controller and Exchange 2007 Server) the machine came back up with "configuring updates stage 3 of 3 0% complete". The machine had been kept reasonably up to date so this likely was caused by a very recent patch. At the leaste the following patches were installed: KB973037 KB969947 KB973565 Restarting the server into safe mode and then subsequently rebooting (with no changes made) allowed the computer to restart and I can now log in normally. However none of the critical services start; including but not limited to Exchange, DNS and Terminal Services (Obviously if DNS doesn't start other things will break). I am unable to run Internet Explorer but Chrome will work. There are no meaningful errors in the event logs as to why services won't start. Under KDC I have The Key Distribution Center (KDC) cannot find a suitable certificate to use for smart card logons, or the KDC certificate could not be verified. Smart card logon may not function correctly if this problem is not resolved. To correct this problem, either verify the existing KDC certificate using certutil.exe or enroll for a new KDC certificate. This is going to be an evil one to debug and I'm kinda hoping someone has encountered it and knows the answer off hand. Thanks all.

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• AsteriskNow Migration / Shared Extension Space

  - by Aaron C. de Bruyn

  I am testing the possibility of migrating from an old Avaya phone system to AsteriskNow. The migration would cover several hundred phones--but spread out over several years. (Management wants to move buildings to the new phone system one by one as cables get cut or time permits.) Two other directive is that extensions must not change and they want a GUI that other admins (non-Linux geeks) can manage. They currently use 9XXX for all extensions. We linked the Avaya and Asterisk box via PRI card and they both are communicating. From the Avaya side, if we move (for example) extension 9001 to Asterisk, we forward the call over the PRI to the AsteriskNow box and the SIP phone rings. In AsteriskNow we have an outgoing rule '_9XXX' that routes all 4-digit extensions starting with 9 back to Avaya. Here's the trouble. Dialing 9001 (the extension moved over to AsteriskNow) causes the call to be routed out the PRI to the Avaya box, then the Avaya box routes the call back to Asterisk, and Asterisk routes it to the SIP phone. As we get more and more users switched over, it will use up more and more channels over the PRI card. Is there a way I can ask Asterisk to check it's local extensions first--then forward off to the Avaya system if it starts with '_9XXX'? (I know how I can do it when editing the raw config files, I'm just looking for a way to do it in the GUI so other admins can manage it if necessary.) As a last-ditch plan, I know I can specifically add '_9001' as an outgoing call rule and sent it directly to extension 9001--but I'd really hate to do that for several hundred phones

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• Building new computer, turns on, but no post

  - by addybojangles

  Pardon my ignorance here, finally decided to put together a computer and egads. I purchased a new motherboard, power supply, processor, video card and memory. ASUS M4A79XTD EVO AM3 AMD 790X ATX AMD Motherboard OCZ Fatal1ty OCZ550FTY 550W ATX12V v2.2 / EPS12V SLI Ready 80 PLUS Certified Modular Active PFC Power Supply AMD Phenom II X4 965 Black Edition Deneb 3.4GHz 4 x 512KB L2 Cache 6MB L3 Cache Socket AM3 125W Quad-Core Processor XFX HD-577A-ZNFC Radeon HD 5770 (Juniper XT) 1GB 128-bit GDDR5 PCI Express 2.0 x16 HDCP Ready CrossFireX Support Video Card G.SKILL 4GB (2 x 2GB) 240-Pin DDR3 SDRAM DDR3 1600 (PC3 12800) Dual Channel Kit Desktop Memory Model F3-12800CL9D-4GBNQ (originally had links for you guys, but I lack the rep, sorry!!) And I've got it all in the tower. I put in power supply, installed processor on motherboard, installed heatsink, put in ram, and I am using an older IDE hard disk. When I start the computer, the monitor tells me "check signal cable." As far as I can tell, the heatsink on the processor is spinning, the power supply is on (obviously), and the green LED on the motherboard is on. I originally only had the bigger output plugged in to the motherboard (what I saw in a YouTube vid as well as the mobo instructions), but after doing some research, it said plug in the other ATX power supply. Which I did. And trying to power the computer results in nothing. No beeps on startup, no post, anyone have any ideas? Your ideas and help is greatly appreciated.

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• Are these computer parts compatible?

  - by Jcubed

  so I'm building a computer and i want to know if all these parts are compatible. case: http://www.amazon.com/Xion-Gaming-Steel-Tower-Computer/dp/B002139YSS/ref=sr_1_1?ie=UTF8&s=electronics&qid=1270923001&sr=8-1 power supply: http://www.amazon.com/Thermaltake-W0121RU-PurePower-Version-PCI-Express/dp/B0015MCMRG/ref=sr_1_1?ie=UTF8&s=electronics&qid=1270924656&sr=1-1 motherboard: http://www.amazon.com/GIGABYTE-GA-EP45-UD3P-LGA-Intel-Motherboard/dp/tech-data/B001HH2WE2/ref=de_a_smtd processor: http://www.amazon.com/Intel-Processor-1333MHz-LGA775-BX80570E8400/dp/B00116SLYY/ref=sr_1_1?ie=UTF8&s=electronics&qid=1270924524&sr=1-1 hard drive: http://www.amazon.com/Western-Digital-Caviar-Black-WD1001FALS/dp/B001C271MA/ref=sr_1_1?ie=UTF8&s=electronics&qid=1270924586&sr=8-1 DVD/Blu Ray Dive: http://www.amazon.com/LITE-Blu-ray-Internal-Optical-iHOS104/dp/tech-data/B002EE996Q/ref=de_a_smtd Graphics Card: http://www.amazon.com/Sapphire-Radeon-100252HDMI-PCI-Express-Graphics/dp/B001SJLLTQ/ref=sr_1_1?ie=UTF8&s=electronics&qid=1270924798&sr=1-1-spell Sound Card: http://www.amazon.com/Creative-Labs-SB0570L4-Blaster-Audigy/dp/B000LP0R3E/ref=sr_1_1?ie=UTF8&s=electronics&qid=1270924850&sr=1-1 Memory: http://www.amazon.com/Corsair-TWIN2X4096-8500C5DF-Dominator-PC2-8500-1066MHz/dp/B0014Z0Q04/ref=sr_1_1?ie=UTF8&s=electronics&qid=1270924896&sr=1-1-spell OS: Ubuntu 64-bit

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• Networking "chokes" on Windows 7 64 bit

  - by Rohit Nair

  I've been having this problem for some months now, and I have been unable to figure out a solution, or even the cause. At random points throughout the day, my internet connectivity "freezes". I don't get disconnected from my local wireless network. My router doesn't get disconnected from the world. However, for some reason, my computer stops receiving packets. If I'm playing an MMO ( World of Warcraft, in this case, but it has happened with Eve Online as well ) all activity just freezes. If I try to browse, Opera, Firefox and IE all stall at "Waiting for google.com..." or whatever the hostname may be. Inspection with a packet sniffer seems to reveal that there are no incoming packets. Here's the interesting part. Disconnecting from my wireless network and reconnecting fixes the issue. Obviously this led me to conclude that it was a problem with my router or wireless card. However, I have tweaked all the settings on my router that I could think of, including things like QoS, AP Isolation, etc. with no change. My wireless card doesn't really have that many options, and I have uninstalled and reinstalled drivers a few times without any change. Windows Firewall on/off doesn't make a difference. Anyone have any suggestions for debugging this? It's becoming an annoyance.

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• 4.00gb (3.25gb usable) in Windows 7 x64

  - by dotnetdev

  Hi, I have setup Windows 7 Ultimate x64 on my PC. I have 4gb RAM and my BIOS states the correct amount (4096mb), but I cannot Windows (System Manager) says I have 4.00gb (3.25gb usable). This seems to be a popular issue, and I have looked for an integrated video card (integrated with my chipset) to disable but haven't found anything. What else can be preventing me from seeing all 4gb? When I had Vista 32bit, it would say 3.25gb RAM not 4.00gb (3.25gb usable). I have an x64 CPU and when I brought my RAM, I used a compatibility tool from Crucial (the memory vendor) to test how much memory my PC can support and 4gb was the answer (this was a windows app I think). Chipset is Intel(R) G33/G31/P35/P31 Express Chipset PCI Express In the bios, I looked for an onboard video card (integrated) and there was no such thing, but a couple of other onboard devices. There are also no "Resource Mappings" settings. FURHTER DETAILS: Chipset North Bridge: Intel Bearlake G33 South Bridge: Intel 82801IR ICH9R Maximum Memory Amount 8 GB Graphics Controller Type Intel GMA 3100 (Enabled) I guess the first thing is, how do I disable the graphics controller? EDIT: This thread (http://forums.legitreviews.com/about23417.html) indicates the issue is with memory mapped devices, but someone on this thread says that does not apply to x64. The rest of the comments points to a mobo issue for the guy who started that thread. Thanks

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• Mouse click-focus wanders in vmPlayer 3.0 dual-monitor

  - by Gary M. Mugford

  Previously, a WinXPSP3 session running on a WinXPSP3 host computer ran perfectly fine in a dual monitor setup. No issues with vmPlayer 2.x. BEFORE updating to vmPlayer 3, the following problem cropped up. When clicking in a single monitor, you would get exactly what you expected. However, when the display was stretched across two monitors, the clicking would be to the left of the mouse cursor. The farther RIGHT you were, the farther left the click would occur. In other words, if you clicked on the system menu of a window in the upper left of a window on the left monitor, you would get the system menu. Move half a screen to your right and the click would be on an item about a quarter of the way over, rather than where you were clicking. And by going all the way to the far right of the right monitor, you could bring up a right-click menu on the far right of the LEFT monitor. I Hope I have described this properly. It's confusing, even in words. In single monitor mode, everything works perfectly fine. If, instead of using either UltraMon or DisplayFusion, you run a single desktop across both monitors (3200x1600), there are no mousing issues. Unfortunately, having two 1600x1200 monitors, that depth of 1600 makes that hack less than useable. My graphic card won't offer anything resembling 3200x1200. vmPlayer 3.0 did not alleviate the situation. The microsoft mouse drivers are up to date and so are the nVidia card drivers. Any ideas?

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• Linux machine can't find its tape drive

  - by Kyle Hodgson

  I have an older HP NetServer LPr with what is apparently a Symbios SCSI card connecting to a Quantum SuperLoader 3 that is DLT based. From time to time, we seem to lose the connection to the autoloader. It's usually due to flaky power, but not totally sure why; sometimes when this happens the Autoloader's LED's are orange and it needs to be power cycled. The annoying workaround currently is to reboot the machine. As it is our production VPN and DNS server in addition to being our backup server, this is less than optimal. In Debian (Sarge) is there not some command one can type to get the card to notice that it has the autoloader connected again? dcr1:/proc# grep -i symbios /proc/pci SCSI storage controller: LSI Logic / Symbios Logic 53c895 (rev 1). dcr1:/proc# uname -a Linux dcr1 2.4.27-3-686 #1 Tue Dec 5 21:03:54 UTC 2006 i686 GNU/Linux dcr1:/proc# mt status mt: /dev/tape: No such device dcr1:/proc# ls -l /dev/tape lrwxrwxrwx 1 root root 8 2007-02-07 16:01 /dev/tape -> /dev/st0 dcr1:/proc# That mt status command will show the actual st0 status when things are working correctly. The No such device message is usually the second clue that we need to reboot - the first clue is usually that the backups didn't run.

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• IIS 7.5 Siteminder Does not protect ASP.net MVC requests

  - by HariM

  We are trying to use ASP.Net MVC with Siteminder for Single Sign on. This is on Windows Server 2008 R2 with IIS 7.5. Siteminder Agent version 6QMR6. Problem : Siteminder protects physical files that are exist. And it is not protecting the folder when we try to access a non existed file. It must redirect to login page even if the file doesn't exist when the user is accessing a protected folder. How to configure in IIS 7.5 that Do not verify a file exist, before authentication by siteminder. SiteMinderWebAgent is a Handler(WildCard Script Map) we created using the ISAPI6WebAgent.dll How to Protect ASP.Net MVC Request with Siteminder? (Added this as My previous question did not solve the problem). MVC Request shows up in IIS Log but not in Siteminder log. Update : Microsoft Support says currently IIS7.5, even in earlier versions doesnt support wildcard mappings on any two Isapi Handlers with * wild card. Currently in my case Siteminder has * wildcard and asp.net mvc (handler is aspnet_isapi) has * wildcard to handle the reqeusts. Ordered priority doesnt work in the wild card mappings case with Just *. Did not convinced with the answer but will wait till tomorrow for them to get back.

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• nVidia performance with newer X and newer driver abysmal with Compiz

  - by Nakedible

  I recently upgraded Debian to Xorg 2.9.4 and installed nvidia-glx from experimental, version 260.19.21. This was somewhat of an uphill battle as the dependencies for the experimental nvidia-glx package are still somewhat broken. I got it to work without forcing the installation of any packages and without modifying the packages. However, after the upgrade compiz performance has been abysmal. I am using the desktop wall plugin and switching viewports is really slow - takes a few seconds for each switch. In addition to this, every effect that compiz does, such as zoom animations for icons when launching applications, takes seconds. The viewport switching speed changes relative to the amount of windows on that virtual screen - empty screens switch almost at normal speed, single browser windows work almost decently, but just 4 rxvt terminals slows the switches down to a crawl. My compiz configuration should be pretty basic. Xorg is likewise configured without anything special - the only "custom" configuration is forcing the driver name to be "nvidia". I've fiddled around with the nvidia-settings and compizconfig trying different VSync settings, but none of those helped. My graphics card is: NVIDIA GPU NVS 3100M (GT218) at PCI:1:0:0 (GPU-0). This is laptop GPU that is from the Geforce GTX 200 series. Graphics card performance should naturally be no problem.

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• Slow transfer speed between two servers

  - by Linux Guy

  I have two servers both network cards speed is 10Gbps The inbound bandwidth between two servers is 10Gbps , the outbound bandwidth internet bandwidth is 500Mpbs Both servers using public ip addresses in public and private network Both servers transfer and connection on nginx port , and the server B used for streaming media , like youtube stream videos I check the transfer speed using iperf utility From Server A to Server B # iperf -c 0.0.0.1 -p 8777 ------------------------------------------------------------ Client connecting to 0.0.0.1, TCP port 8777 TCP window size: 85.3 KByte (default) ------------------------------------------------------------ [ 3] local 0.0.0.0 port 38895 connected with 0.0.0.1 port 8777 [ ID] Interval Transfer Bandwidth [ 3] 0.0-10.8 sec 528 KBytes 399 Kbits/sec My Current Connections in Server B # netstat -an|grep ":8777"|awk '/tcp/ {print $6}'|sort -nr| uniq -c 2072 TIME_WAIT 28 SYN_RECV 1 LISTEN 189 LAST_ACK 139 FIN_WAIT2 373 FIN_WAIT1 3381 ESTABLISHED 34 CLOSING Server A Network Card Information Settings for eth0: Supported ports: [ TP ] Supported link modes: 100baseT/Full 1000baseT/Full 10000baseT/Full Supported pause frame use: No Supports auto-negotiation: Yes Advertised link modes: 10000baseT/Full Advertised pause frame use: No Advertised auto-negotiation: Yes Speed: 10000Mb/s Duplex: Full Port: Twisted Pair PHYAD: 0 Transceiver: external Auto-negotiation: on MDI-X: Unknown Supports Wake-on: d Wake-on: d Current message level: 0x00000007 (7) drv probe link Link detected: yes Server B Network Card Information Settings for eth2: Supported ports: [ FIBRE ] Supported link modes: 10000baseT/Full Supported pause frame use: No Supports auto-negotiation: No Advertised link modes: 10000baseT/Full Advertised pause frame use: No Advertised auto-negotiation: No Speed: 10000Mb/s Duplex: Full Port: Direct Attach Copper PHYAD: 0 Transceiver: external Auto-negotiation: off Supports Wake-on: d Wake-on: d Current message level: 0x00000007 (7) drv probe link Link detected: yes The problem is : as you can see from iperf utility, the transfer speed from server A to server B slow when i restart network service the connection will be ok , after 2 minutes , it's getting slow How could i troubleshoot slow speed issue and fix it in server B ? Notice : if there any other commands i should execute in servers for more information, so it might help resolve the problem , let me know in comments

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• Where do I connect the HDD LED wires on my RAID adapter?

  - by Giffyguy

  I'm using a Promise FastTrak TX8660 with RAID 5. The manual (and Google) just doesn't seem to explain how exactly to connect a standard two-pin HDD LED wire to the eight available pins on the card. The Manual just says - To connect your LED, follow the following diagram: The card itself resembles the diagram: But it doesn't make any sense to me. All I have is a two-pin connecter for HDD LED on the front of my computer case. I don't need anything fancy like the fault LED or seperate indicators for each drive. I just want to be able to see when my RAID 5 array is working, that's all. I don't know what the "R" and "G" stand for, but my HDD LED wires are red and white. I tried connecting the red wire to the "R" pin and the white wire to the "G" pin, but that just makes the LED on the front of my case light up indefinitely, even when the computer is idle. Which pins am I suppose to connect the HDD LED header to for basic activity indication?

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• Acer Aspire one is falling apart on Ubuntu

  - by Narcolapser

  Question: How do I have my netbook detect and install hardware? Info: I have an Acer Aspire One, it came with windows XP and I loaded it with Win7. I decided I wanted to change to Ubuntu so I tried Ubuntu netbook remix, which failed horribly, and so after attempting 3 or so other OS's I ended with Ubuntu Desktop 9.10. Which worked fine for a while, but there were some minor issues so I asked a question about it here and decided to change my OS again. This last weekend I tried mandriva like that guy in my other question suggested, no success. when I had though my netbook lost the ability to use it's touch pad, I didn't think much of it, just thought it must be a driver or something. But When Mandriva failed, and I also while I was at it tried Damn small linux and Debian, which both failed to, I decided to switch back to Ubuntu Desktop(some where in here my keyboard stopped working for one attempt to). But first I gave the netbook remix one more try. it worked this time, with the exception of it didn't have any networking. I thought it was a driver issue again and finished the weekend with ubuntu desktop 9.10 again. But now things get really crazy. it doesn't know it has a wireless card or an ethernet card. It doesn't know my phone is connected trying to provide wireless broadband either. I'm clueless on what could be the problem. And with only a minimal amount of experience with Ubuntu can't navigate the entire interface with only my keyboard(it doesn't detect a USB mouse when I plug it in, it had when I installed it. in fact the network interfaces were working just fine when I live boot ubuntu to installed it). Even so, I don't know where to go or what to do to make it recognize it's hardware. I'm in a dire situation, any help is welcome.

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• DHCP Server on local machine

  - by EralpB

  Hello I am trying to setup a dhcp3-server on Ubuntu. But my question is more generic, if dhcp server is in a blockbox and all clients are connected to it I think I get what is going on but when dhcp server is installed on one of the "clients" that confuses me. When I send a dhcp packet from that client to the dhcp server, will my ethernet card read and write at the same time? Or will it handle it internally without writing any data to ethernet cable. It's the first time I am encountering these network things so I am a little bit confused. Also I wonder If I am in a big network with lan IP let's say 192.168.0.100 and I install a dhcp server to my computer, can any other computers accidentally get IP from my dhcp server? Every computer has one ethernet card (if that matters?). And every computer is connected to one router. I guess the answer is no because the broadcast message won't reach to my computer since when router receives a dhcp search packet it will answer and it won't let other computers know about it because they don't need to. And without router sending that packet one by one, it cannot travel further. I'd be glad if someone enlightens me. Thank you very much.

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• Windows Server 2008 R2 install reboots unexpectedly during "Completing installation" phase

  - by knda

  I am attempting to install Windows Server 2008 R2 onto a Cisco UCS C201 M2 rack mounted server but am having major difficulties and wondering if anyone has some insight or items they could recommend for me to look at to get this one resolved. Installation is being attempted via the Cisco remote console (using CIMC's Virtual dvd-rom).. following the first phase of Setup where the installation files are copied to the target hard drive, then a reboot occurs to load Setup from the HDD, mid-way in the "Completing Installation" phase the system then reboots unexpectedly. System configuration Cisco UCS C201 M2 (2RU rack mounted server) 16GB RAM, 2x 73GB 15K SAS, 4x 300GB 10k SAS Add-on cards - Intel quad-port GigE card (no fibre channel cards) Storage - LSI MegaRAID SAS 9261-8i. onboard SATA is disabled (no SATA drives connected) KVM - Belkin No physical DVD-ROM.. :( I have... Run memtest86+, no RAM faults Disabled/enabled SATA support (BIOS) Attempted install from USB DVD-ROM, no effect Attempted unattended install scripted via Cisco Configuration Manager DVD provided Removed Belkin KVM in case that was causing drama Discovered that the Cisco website is "awesome" for searching for PDFs/Drivers cough, reverted back to Google Downloaded latest LSI drivers from LSI's site and used during Server 2008 install checked Windows ISO against checksum's from MS site checked Windows ISO by using it for an install in a VM Running out of ways to troubleshoot this as I am not sure how to enable any sort of 'verbose' mode during the setup process. Next step I have planned is to remove the Intel NIC and try the installation again.. Edit: Problem was the "Cisco INTEL QUAD PT GBE" (1000/PT) .. will have to see if this card is faulty or if it's just drivers.. thanks for the help.

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• Upgrading memory on an IBM Power 710 Express (8231-E2B)

  - by cairnz

  We have a Power 710 Express server that was loaded with 4x4 GB memory on a single riser card. I have replaced the 4 chips with 4x8GB and put in another riser card and loaded it with 4x8GB more for a total of 64GB memory. The firmware is AL730_078. When i power it on, the service processor boots up and i can access the ASMi. From here I can look at "Memory Serial Presence Data" and see that the system in some way detects 8x8 GB. However when i look at Hardware Deconfiguration and specifically Memory Deconfiguration, it is still listed with old values, 16384MB, and claims there are 4x4 chips in the C17 riser. How do i proceed to make the server recognize properly the amount of memory installed? I get a FSPSP04 and B181B50F progress code on booting because (i think) it hasn't been told the memory has changed. It then does not proceed to booting the operating system (VIOS) when turned on. Are there any steps I have overlooked here? Can I do some commands, either on the service processor, or otherwise, to tell the system to configure with the proper amount of memory? PS: This is a stand alone server, not configured with HMC or SDMC.

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• Mainboard shuts itself off after half a second or so

  - by heishe

  Here's the problem: When I start the PC, the mainboard powers up, then stays that way maybe 0.2-0.5 seconds, and then shuts off again. I say mainboard, and not PC, because I removed all the parts from the system and disconnected everything but the mainboard power supply (the broad 12 pin thingy). When I have the other parts (cpu, graphics card, ram, etc.) installed and connected, the basic behaviour stays the same, but now the mainboard runs for about 6 or 7 seconds (this is a guess) before shutting off. This all started when my monitor wouldn't receive a video signal today, without giving POSTs, so I took the graphics card and the RAM out to see if it changes anything. It didn't, except that from that point on the mainboard would start to have this behavior where it just stays on for a very short time and then shuts off again. I already tested it with a backup PSU - same behavior. What could this be? I'm thinking it can't be on a physical level (transistors burned through or something like that), since then the mainboard either shouldn't start at all or it should detect hardware failures in non-essential parts of the syste and start beeping. Sorry, I forgot to mention. It's an MSI P67A-C43. I already checked the capacitors if someone popped, but I can't find anything. I also tried resetting the cmos, but that didn't change anything.

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• My EliteBook is not auto picking 1080p for external monitor, poor display on forcing

  - by Griever

  I'm connecting my Samsung LED S22A300B to my HP EliteBook 6930p through VGA out. Laptop has Intel 4500MHD video card. I have latest drivers installed for both card and monitor. Only 800x600 and 1024x768 are shown. A lot of other people get this problem when they use it with docking station as discussed here. But I am not using any docking station. The monitor works great with my desktop though. As advised on the aforementioned page, one of the things I tried was to force the resolution using Intel's "custom resolution" feature. I installed PowerStrip on my desktop and copied advanced timing values(front/back porch,sync width, etc.) from there and then used the same values while defining a custom resolution in my laptop's Intel graphics utility. As a result, I got the 1080p resolution but the display is poor. Text has some weird colored shadow and sometimes on images too. What should I do?

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• What LTO 4 drive to buy

  - by pplrppl

  Evan Anderson mentioned in another solution you could buy a LTO-4 (autoloader, 1 tape / day) - $4,566.00 (the discussion included total cost of tapes for a specific rotation.) but I don't know specifics on what he or you would recommend for the actual drive and if necessary controller. Show me a newegg URL or CDW, Dell, or HP, or whatever your favorite vendor would be for your solution if you don't mind looking it up or just give me a brand and a model number and I'll be glad to do the leg work myself. I currently have on have on hand an external LTO 3 drive that uses LVD SCSI interface (and thus have a controller card that has an external LVD SCSI connector). If that card isn't sufficient to interface to a LTO 4 drive let me know. http://www.fujifilmusa.com/shared/bin/LTO_Overview.pdf shows minimum tape speeds for LTO4 and other LTO formats. It looks like the IBM LTO4 actually has a lower minimum speed than the IBM LTO3. Either way my average server is too slow to feed LTO3/4 without shoeshining so I'm looking for a drive with a low minimum write speed. If you trust the PDF from 2008 that makes my choices IBM LTO 4 full height IBM LTO 4 half height HP LTO 4 half height but presumably there are other options out there that weren't mentioned in the fuji PDF. Again I'm looking for a specific recommendation on a drive to buy (and the controller if needed).

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• Picking a linux compatible motherboard

  - by Chris

  Last time I bought a new computer (I build them myself) I got a motherboard that had really poor linux support for a long time. Specifically the audio. I had to wait months before the kernel supported the on board audio chipset. That is exactly the situation I'm trying to avoid this time around. I have some specific questions about "server motherboards" actually. I looked at a few models of server motherboards by intel, and some random models on newegg. I wasn't able to see much of a difference from regular desktop motherboard other than most had two sockets, and support for much more ram. These boards seem more popular with Linux users. Why? AMD and Intel both have server CPUs as well. Some question, what's the difference? To make this question more concrete, I was looking at this this motherboard. The main questions about it that I can't answer are: Can I get a motherboard without on board raid and audio? I wanted to get a hardware raid controller and a PCI audio card. I thought a server motherboard would be cheaper and not have these "extras", since who wants an audio card on a server? Where can I found out about Linux support for the components on this board? "Intel ICH10R", "Realtek ALC889", "Marvell 88E8056" I'm buying this computer to work as a Linux desktop for a lot of compiling, coding and audio/video work, but I don't want to rule out the possibility of installing windows and playing some games at one point. (even if the last game I got has been sitting in its box unopened for almost a year). Is it a good idea to buy a "server motherboard" and play games on it, or are desktop boards better value for this? The ultimate solution for me would be a motherboard that had GPL divers for onboard LAN, a single CPU socket, lots of PCI express and PCI. USB 3.0, and no fancy hard disk controllers since I'll be getting a separate one.

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• New XPC: No video, no ethernet link, but drive spins

  - by Mike Pennington

  I bought a Shuttle XPC SH67H3 with integrated video. I installed: An Intel i5 2450P 16GB DDR3 RAM A SATA hard drive from my old linux server that still is bootable I have both power connectors plugged into the motherboard. I realize that the Intel i5-2450P doesn't have video capabilities; however, the drive spins like it's doing something useful. It seems like I should get an ethernet link light when I fire this up. I plan to run this headless anyway, so it would be really nice if I could figure out how to run this without a video card at all. I know the IP address and login info for the linux install on the disk. I plugged in speakers, but get no bios beeps when I power it up. Shuttle's bios manual has nothing in there that indicates I should have problems in this configuration. My questions: Is there a reason that the missing video card would block usage of the ethernet port? Are there settings on the motherboard / bios I can change to get this working?

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• Improving abysmal 802.11n wireless network

  - by concept

  I am in desperate need of help to improve the abysmal performance of my 802.11n wireless network. At best I get 30Mbs (this is an internet download) from a technology that boasts 300Mbs, even worse is the LAN where to date best i have ever gotten is 1Mbs. It is literally quicker to copy the file to a USB and walk it to the other computer. Infrastructure is this AP 802.11n only broadcasting at both 2.4GHz and 5GHz Mac with 802.11a/b/g/n card is connected to the AP via 5GHz Linux with 802.11a/b/g/n card is connected to AP via 2.4GHz I have conducted the following tests (results at end of post) Internet based speed test wired and wireless LAN file copy wired and wireless I have read: http://nutsaboutnets.com/troubleshooting-wi-fi-problems/ http://www.smallnetbuilder.com/wireless/wireless-basics/30664-5-ways-to-fix-slow-80211n-- speed http colon //www.wi-fiplanet dot com/tutorials/7-tips-to-increase-wi-fi-performance.html Slow file transfer on network between two 802.11n laptops (connected directly together via access point) Wireless Network Performance Issues Slower than expected 802.11n wireless network speeds I have made the following optimizations AP broadcasts only 802.11n on both 2.4GHz and 5GHz frequencies 2.4GHz is on a channel with least interference (live in an apartment with lots of APs), this did make a 10Mb/sec improvement Our AP is the only one transmitting on the 5GHz freq. Security: WPA Personal WPA2 AES encryption Bandwidth: 20MHz / 40MHz (i assume this to be channel bonding) I have tried the following with 0 improvement Dropped the Fragment Threshold to 512 Dropped the Request To Send (RTS) Threshold to 512 and 1 Even thought of buying a frequency spectrum analyzer, until i saw the cost of them!!! Speed test results Linux Wired: DOWNLOAD 128.40Mb/s UPLOAD 10.62Mb/s www dot speedtest dot net/my-result/2948381853 Mac Wired: DOWNLOAD 118.02Mb/s UPLOAD 10.56Mb/s www dot speedtest dot net/my-result/2948384406 Linux Wireless: DOWNLOAD 23.99Mb/s UPLOAD 10.31Mb/s www.speedtest dot net/my-result/2948394990 Mac Wireless: DOWNLOAD 22.55Mb/s UPLOAD 10.36Mb/s www.speedtest dot net/my-result/2948396489 LAN NFS 53,345,087 bytes (51Mb) file Linux Mac NFS Wired: 65.6959 Mb/sec Linux Mac NFS Wireless: .9443 Mb/sec All help is appreciated, even testing methods will be accepted.

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• Chipset fan on the frtiz - compressed air hasn't fixed anything - is there anything I can do?

  - by Anthony

  Yesterday, my computer started to make an annoying whining noise. Knowing that this is likely a fan issue, I opened the case and proceeded to determine which fan was causing the issue. I got some compressed air and tried cleaning out the dust around it (and the rest of the computer while I was at it). This hasn't seemed to fix the issue. Now, if it were just any fan, I would probably just replace the fan - they're relatively cheap after all. However, this is a special fan. Aside: For what its worth, I feel bad that the graphics card blocks part of the fan, but it is the only slot the graphics card fits, so I had no choice. After pulling out my motherboard user guide, it looks like this is a fan placed directly on top of the chipset. To be perfectly honest, I have no clue what the purpose of the chipset is - but it sounds important. After some quick research, I see that it is responsible for providing the bridge between my CPU, RAM and graphics, among other things. Just a quick search at Newegg tells me that chipset fans can be purchased at pretty reasonable prices (< 20 dollars). Is it practical to replace this fan? It is an old computer as computers go and I wouldn't be terribly upset to upgrade the motherboard and processor, so perhaps this is a sign. Hardware Specs: Motherboard: Asus A8N-E Chipset: NVIDIA nForce4 Ultra

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