Problem with memory at POST

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I have a problem that I'm stumped on, and am having a hard time
understanding why, and why this isn't working. First, the setup I'm
trying to build:

Gigabyte GA-K8NNXP-940 Motherboard
Opteron 140 CPU
Seagate 80G 5400RPM
Western Digital 20G 5400RPM
Emprex 8x DVD+/-RW/CD-RW
Onstream DI-30 Tape drive
Enermax EG475P-VE SFMA PSU
Coolermaster KK8-7152A CPU fan
512MB Registered ECC DDR RAM (2x 256MB Kingston KVR333X72RC25/256)

The problem.

According to both Gigabyte and Kingston, this memory should work
with this board. When I drop it onto the board and power it up, I get
nothing. The Coolermaster fan and PSU try to start up, then shut down.
No response from anything else. I've tried these singly, as well as in
pairs, both in dual and single channel setups. Same result.

Now. I took a pair of 256MB sticks as well as a 512MB stick, both
which should NOT work with this board as they are Non-ECC, unregistered
(2 x 256MB Kingston KVR400X64C3A/256 and 1 x 512 KVR333X64C25/512
respectively) and tried them (the 256MB sticks both singly and in
pairs, and the 512MB by itself) and powered on the machine. The board
started up, but then complained with long beeps (according to
Gigabyte's manual, this is caused by DRAM errors (wrong memory
installed)).

What I'm stumped on is why the board is doing exactly what it
should with the wrong memory and failing to POST, and not doing anything
at ALL with the memory that should be working with it. Has anyone else
had a similar problem? The registered memory was just newly purchased.

BL.
- --
Brad Littlejohn | Email:
Unix Systems Administrator, |
Web + NewsMaster, BOFH.. Smeghead! | http://www.sbcglobal.net/~tyketto
PGP: 1024D/E319F0BF 6980 AAD6 7329 E9E6 D569 F620 C819 199A E319 F0BF

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"A Guy Called Tyketto" wrote in message
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I have a problem that I'm stumped on, and am having a hard time
understanding why, and why this isn't working. First, the setup I'm
trying to build:

Gigabyte GA-K8NNXP-940 Motherboard
Opteron 140 CPU
Seagate 80G 5400RPM
Western Digital 20G 5400RPM
Emprex 8x DVD+/-RW/CD-RW
Onstream DI-30 Tape drive
Enermax EG475P-VE SFMA PSU
Coolermaster KK8-7152A CPU fan
512MB Registered ECC DDR RAM (2x 256MB Kingston KVR333X72RC25/256)

The problem.

According to both Gigabyte and Kingston, this memory should work
with this board. When I drop it onto the board and power it up, I get
nothing. The Coolermaster fan and PSU try to start up, then shut down.
No response from anything else. I've tried these singly, as well as in
pairs, both in dual and single channel setups. Same result.

Now. I took a pair of 256MB sticks as well as a 512MB stick, both
which should NOT work with this board as they are Non-ECC, unregistered
(2 x 256MB Kingston KVR400X64C3A/256 and 1 x 512 KVR333X64C25/512
respectively) and tried them (the 256MB sticks both singly and in
pairs, and the 512MB by itself) and powered on the machine. The board
started up, but then complained with long beeps (according to
Gigabyte's manual, this is caused by DRAM errors (wrong memory
installed)).

What I'm stumped on is why the board is doing exactly what it
should with the wrong memory and failing to POST, and not doing anything
at ALL with the memory that should be working with it. Has anyone else
had a similar problem? The registered memory was just newly purchased.

BL.
- --

my AMD3200+ and Albatron K8X800 Pro2 mobo has serious problems with pairs of
memory.
programs and windows act screwy, things run too fast, very weird.
regards malcolm