ram upgrade help - system hangs


D

dcaputi

I'm trying to upgrade my ram from 1Gb to 4Gb by replacing the 2 x
512Mb pc-2100u dimms with 4 x 1Gb pc-3200's but my system will not
boot with the new memory. It powers up and hard drive led glows
steady. There is no beep code and the monitor remains black.

I tried all possible combinations of the new chips - installing one at
a time in dimm slot 0 and all other combinations of multiple dimms. I
put back my original memory and everything is fine.

My motherboard is an Intel D865GBF/D865PERC with a dual core Intel P4
3.0 GHz and 800 MHz system bus. The motherboard documentation clearly
indicates un-buffered DDR400 is supported with 800 MHz system bus for
up to 4Gb (4x1Gb dimms).

I have removed my AGP video card and am using the onboard video to
avoid memory retention issues (as instructed by the motherboard
documentation).

I am now out of ideas of what may be wrong or what to try next.
Can someone please help?

- Dan C.
 
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P

Paul

dcaputi said:
I'm trying to upgrade my ram from 1Gb to 4Gb by replacing the 2 x
512Mb pc-2100u dimms with 4 x 1Gb pc-3200's but my system will not
boot with the new memory. It powers up and hard drive led glows
steady. There is no beep code and the monitor remains black.

I tried all possible combinations of the new chips - installing one at
a time in dimm slot 0 and all other combinations of multiple dimms. I
put back my original memory and everything is fine.

My motherboard is an Intel D865GBF/D865PERC with a dual core Intel P4
3.0 GHz and 800 MHz system bus. The motherboard documentation clearly
indicates un-buffered DDR400 is supported with 800 MHz system bus for
up to 4Gb (4x1Gb dimms).

I have removed my AGP video card and am using the onboard video to
avoid memory retention issues (as instructed by the motherboard
documentation).

I am now out of ideas of what may be wrong or what to try next.
Can someone please help?

- Dan C.

Did you get these from Ebay ?

Can you provide URLs so we can look at what you bought ?
If not, are there part numbers printed on the memory chips ?

If I had to guess, I'd say this is probably some of that "high density" RAM.

Paul
 
S

sdlomi2

Paul said:
Did you get these from Ebay ?

Can you provide URLs so we can look at what you bought ?
If not, are there part numbers printed on the memory chips ?

If I had to guess, I'd say this is probably some of that "high density"
RAM.

Paul

Plus, I'll bet it was a lot cheaper than that good low density stuff. I
know--I bit on it too, some time back. Their ads sure are tempting--so
tempting in fact that I overlooked the density-factor. s
 
P

Paul

dcaputi said:
Ebay? Gee ... how'd you guess?!

http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&item=350023900824

The individual chips are marked "GX4-75".
There seems to be no obvious indication of any manufacturer or part
numbers.

- Dan C.

Do you see an Intel chipset in this list ?
This is the so-called "restricted chipset" list, common to those Ebay sales.
Roughly translated, it means "do not buy me" :)

# Known to work with:
#
# *.VIA P4X266A,
# *.VIA KT266/333 (except ASUS KT266/333)
# *.VIA KT600 (except ASUS KT600)
# *.VIA PT800
# *.SIS 645
# *.SIS 648
# * 648FX
# *.SIS 746FX
# * KM400
# * K8T800
# * KT 880
# * KT 400 (except ASUS KT400)
# * KT 400A
# * SIS 661FX
# * SIS 655
# * SIS 650GX
# * SIS 650
# * NFORCE 250GB
# * ULI CHIPSETS
# * INTEL 915
# * NFORCE 4 SLI
# * VIA APPOLLO P4X400
* VIA K8M800
* VIA K8M890
* VIA K8N800
* VIA K8N890
* VIA K8T800
* VIA K8T890
* VIA K8T900
* VIA PT800
* VIA PT880
* VIA PT890
* VIA P4M800
* VIA P4M800 PRO
* VIA P4M890
* VIA P4M900
* VIA PN800
* SIS 648
* SIS 649
* SIS 650
* SIS 651
* SIS 656
* SIS 661
* SIS 748
* SIS 750
* SIS 755
* SIS 756

Paul
 
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