Acpi/4 Gig ram problem

Wed, 2007-03-28 19:50 - Topics:

I have an issue that has me puzzled and any help/suggestions would be appreciated. I haven been using Vista Ultimate 32(retail) for awhile now with no issues. I've been thinking about switching over to the 64 bit software so I thought I'd add 2 more gigs of ram to total 4 and thats where the fun has began .
If I try and load my current vista installation with 4 gigs of ram I get a bios non ACPI compliant stop error at bootup 0x000000A5 (0x00001000,0x00000000,0xFFFFFFFF,0x00002040). I have loaded the Vista KB929777 patch (for issues loading windows with 3 gigs of ram or more). If I try & load off the DVD I get the same error after the files are loaded. If I use 3 gigs of ram, no problem. My motherboard also has on board graphics, if I remove my PCI_E card vista will load with no problem with 4 gigs of ram. Could it be an issue with my motherboard, or could my video card be causing the problem? I was also able to borrow 2 sticks of 2gx2 g.skill ram, same problem. I've been looking through the event viewer but haven't been able to find anything. I've been searching around but haven't found anyone with the problem I'm having.
Specs:
Gigabyte GA-965G-DS3 (rev1) bios f7 (latest)
1gx4 Kingston Value Memory pc6400
Sapphire Radeon x1950Pro pci express 256meg video card
Intel e6600 core 2
160 sata 2 seagate hd run as ide
400 sata 2 seagate hd run as ide
LG dvd drive
lite-on dvd drive
seasonic 650W power supply

I had emailed gigabyte & they said it could possibly be a power supply problem. I was going to replace my old power supply (Thermaltake) anyway so I got the seasonic, same problem.
Also, I have tested the 2 new sticks of kingston ram and haven't had any errors in memtest86, had run them overnight about a week ago.
Any help would be greatly appreciated!

Comments

Guest (not verified)

Wed, 2007-05-09 04:43

same problem

Hello Guest,

I have the same problem:

Gigabyte GA-965G-DS3
4x 1gb Crossair
Radeon x1950pro

with 2gb ram => no problem

with 4gb ram => no chance

have you find any solution?
what say gigabyte to this problem?

Marco

fireice@web.de

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30 points

Guest (not verified)

Wed, 2007-07-04 00:44

http://support.microsoft.com/

http://support.microsoft.com/kb/929605

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-2 points

Mike (not verified)

Fri, 2007-08-17 18:31

Same problem DS3 +

Same problem
DS3 + ballistix ddr2-800 + e6300 + x850xt
will work fine with 3 gig.
has numberous problems with 4. Ive got vista x64 to work with 4-gig right now with stock settings, but its very unstable. games crash the comp within a minute. ive got the ram voltage at 2.2v. any suggestions?

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23 points

MamiyaOtaru (not verified)

Mon, 2008-04-21 01:09

same here

Same issue with ga-965g-ds3 rev1, bios f2 or f9.

3 GB of RAM is fine. with 4, Vista will not start and just reboots. Windows 2k3 and Linux work fine.

I can get vista to boot by plugging my SATA drives into the orange ports (connected to the ich9) and disabling the jmicron ports (purple SATA + IDE). I'd prefer to be using the purple ports though.

Someone on some forum claimed it worked if he removed his pci express gfx card and used the integrated gfx in the mobo. Some weird interplay between the jmicron, PCI express gfx and 4 GB RAM then?

Does anyone have any more info on this? A bit of time has passed :-/

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Reset vote
27 points

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