Motherboard

[bumburet]

hi guyz! i have a Sempron 3100 +, k8v-vm board S754, 256 MB x2 CPAQ DDR 0400(a generic ram)...ive been using my PC for almost 2 yrs and has no problem.

i try to upgrade my RAM to 1gb but it doesnt work on both slots(dimm1 and dimm2) it doesnt perform post but all are power up and NO beeps .

so i barrow a 2 512MB Ram to my friend i try again to upgrade to 1 GB but the other RAM doesnt work on dimm2, it works only on dimm1. I try to switch ram but they both appear to be working on dimm1..

so i try again my generic RAM (256 MB) on dimm2 to come up in a conclusion that dimm2 is defective but supprissingly it works...

What do you think is problem the Mobo or RAMS?..Do my Mobo cannot adjust into a higher Speeds of RAM?help me pls ..thanks

here are the specs of ram:

1. 512MB x2 SAMSUNG PC100
2. 1GB DDR SDRAM Micron Technology
3. 256MB x2 DDR 0400

 

[o1die]

What is the pc100 listed for? Are you trying to mix different types of ram? Also, some socket 754 boards have a limit of 1.5 gb of ram (512 in each slot). Some boards also won't run with a stick of single sided ram mixed with a stick of double sided ram (ram with chipsets on both sides). Your board may be fine. I wouldn't touch or remove components too much. Once you get it going, I would leave it alone.

 

[bumburet]

actually all of them are dual line memory module except for the generic one the 256 mb..
samsung(512 mb) is pc100r and mt(1Gb) is p2700..

 

[bumburet]

@oldie why my 2 512 mb work only on dimm1 slot? when i put them both it does not display anything with no beeps? i try to switch memory but they appear to be good both memory are working only on dimm1 slot?

 

[o1die]

Could be a bad dimm slot or bad memory stick. Test each one in the good slot with memtest, a free download.