On 12/3/2010 8:12 AM, Mark Watts wrote: > -----BEGIN PGP SIGNED MESSAGE----- > Hash: SHA1 > > On 12/03/2010 12:22 PM, Alastair Sherringham wrote: >> Hello, >> >> I have a Dell SC1425 1U server. It has 512 MB (it is 5 years old) and >> want to upgrade the RAM. >> >> I bought 4x 1GB RAM but it does not boot - POST error "no memory >> modules". >> >> It looks like I have the wrong RAM, even though I thought I was being >> careful and checked the system technical specifications here : >> >> http://support.euro.dell.com/support/edocs/systems/sc1425/en/ug/f3593aa0.htm#wp1053748 >> >> 72-bit, ECC, PC-3200, Unbuffered, DDR II SDRAM, DIMMs, rated for >> 400-MHz operation Six 240-pin 256 MB, 512 MB, 1 GB, or 2 GB >> >> I bought : >> >> Kingston ValueRAM memory - 2 GB : 2 x 1 GB - DIMM 240-pin - DDR2 >> http://www.dabs.com/products/kingston-valueram-2x1gb-400mhz-ddr2-ecc-r-4NR6.html?refs=52300000-4294960364-4294952679-354710000-427490000 >> >> DIMM 240-pin / 400 MHz ( PC2-3200 ) ECC / CL3 Unbuffered >> >> So - digging a bit. Looking closely at the "System Installation" : >> >> http://support.euro.dell.com/support/edocs/systems/sc1425/en/it/index.htm >> >> The "System Memory" section says : >> >> "You can upgrade the system memory by installing combinations of >> 256-, 512-MB, 1-GB, and 2-GB registered memory modules." >> >> Wikipedia says "registered" is another name for "buffered". >> >> So - is this my problem? The tech specs say "unbuffered" but the >> "System Installation" says "buffered" ("registered"). >> >> The RAM I bought matches the tech specs but is "unbuffered" and the >> system seems no RAM on boot. >> >> Can anyone confirm that my RAM should be *buffered*? >> >> This sort of confusion (and it appears to be in the official docs as >> well) has happened before and is very frustrating. Thanks for any >> help. >> >> Cheers, >> >> >> -- Alastair Sherringham Digital Vision UK t: +44 (0)20 7734 8282 f: >> +44 (0)20 7292 6969 >> >> >> _______________________________________________ Linux-PowerEdge >> mailing list Linux-PowerEdge@dell.com >> https://lists.us.dell.com/mailman/listinfo/linux-poweredge Please >> read the FAQ at http://lists.us.dell.com/faq > Using the Crucial memory chooser, they're saying you can use their > PC2-5300 ECC Registered dimms, and you can have up to 16 GB (4x4GB). > > http://www.crucial.com/uk/store/listparts.aspx?model=PowerEdge%20SC1425 > > I suspect the 16GB limit is facilitated by a newer bios than the ones > shipped when the documentation was written. (Note that you can only have > dual-ranked dimms in slots 1A, 1B, 2A and 2B, leaving the last 2 empty, > to get 16GB: > http://support.dell.com/support/edocs/systems/sc1425/en/it/j3350c60.htm#wp1056051) > > Either way, I believe you need ECC Registered ram, not unbuffered. (Most > Dell PowerEdge servers have used ECC Registered ram) > > Mark. > > - -- > Mark Watts BSc RHCE > Senior Systems Engineer, Secure Managed Hosting > www.QinetiQ.com > QinetiQ - Delivering customer-focused solutions > GPG Key: http://www.linux-corner.info/mwatts.gpg > -----BEGIN PGP SIGNATURE----- > Version: GnuPG v1.4.11 (GNU/Linux) > Comment: Using GnuPG with Fedora - http://enigmail.mozdev.org/ > > iEYEARECAAYFAkz47KEACgkQBn4EFUVUIO3p2wCfUYaHVeJ/Tkov1/6tSp6+j6cT > AfcAniVAGyJgwmmnxqyYj10OApuIW7QU > =I/N8 > -----END PGP SIGNATURE----- > > _______________________________________________ > Linux-PowerEdge mailing list > Linux-PowerEdge@dell.com > https://lists.us.dell.com/mailman/listinfo/linux-poweredge > Please read the FAQ at http://lists.us.dell.com/faq the server most assuredly doesn't like your ram..stick with crucial..and i goofed everyone pulled up the wrong machine..:)
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