more memory but 100 times slower!!!!

maffa_82

maffa_82

maffa_82

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Joined
7 Feb 2007
Posts
91
hi there people. i just got a new 1gb stick today but when i put it in my pc it takes about 10 mins to boot up into vista!!

my specs are:-

opty 165
7900gt @ 675/1400
GA K8N SLI motherboard with f10 bios
120gig sata hdd
1gb ddr 400

when i put the new 1gb stick in, making 2gb in total, it boots seriously SLOW and somtimes not at all. when it finally gets into vista my mouse is really laggy and everything loads up at a snails pace. i noticed that in the CPU usage on one of my gadgets it says that the cpu is running at 100% all the time. ive tried loading the bios defaults and it still runs slow.

any ideas??

p.s the memory i am using is kingston value and the seriel number for both sticks is KVR400X64C3A/1G
 
go into task manager and find out what process is using up 100% of your cpu
 
it was just the normal stuff that loads up normally. i dont think it has anything to do with the cpu, more down to the motherboard i think. ive tried putting more volts into the memory and still doesnt load up. im gonna get in touch with gigabyte and see what they say.

im still open to sugestions though.
 
hi mate,

are the two sticks your using the same memory or are the different makes? It could be that the stick you've bought is not compatible with your motherboard. try booting up your machine with just the new stick and also try booting it up in all mem slots. If the mem is different and you have the stick in slots meant for dual channel this can cause problems too.

Have a go and let us know how you get on.
 
there both kingston value and the seriel number on the both is the same KVR400X64C3A/1G ive tried them in different slots and and still the same problem. they both work on there own but not together.

ive tried upping the voltages, restoring bios defaults and tried different timings on them both but still not working.

i dont think its a bios problem either cuz im using the latest version for my board, it is a beta bios though cuz i had trouble overclocking using the other bios's.
 
At boot-up does it say if its running in Dual-Channel mode or Single?

DDR/Socket 939 was very particular about matched-pair of sticks & serial numbers does not mean that they are! I found that out the 'expensive' way :(
 
Also it might be an idea to run memtest on the 2 sticks individually to see if they have any errors
 
the proccesses that were being loaded were my background programs like anti virus, rivatuner, speedfan etc.

ive tried booting in both sinle and duel channel but get the same problem.

i'll be doing memtest tomorrow so will post if anything is wrong with them.

could it be my bios version?

the current version is f10c wich i think is a beta bios but is the only 1 that i can overclock with.
 
maffa_82 said:
the proccesses that were being loaded were my background programs like anti virus, rivatuner, speedfan etc.
Click to expand...

Yeah, but you said in the original post that something is using the CPU 100% all the time. Open task manager, switch to the processes tab, sort by cpu and see what it is that's using the CPU at 100%
 
it wont let me boot into windows with the both sticks installed, it was a one off last time and i should have mentioned before that only one core was at 100% all the time and the other core was fluctulationg constntly.

there didnt seem to be anything majorly wrong when it booted up, it was just running a lot slower and way more laggy and literally unusable.

has any one else had a problem with installing new memory and it running slower than b4?

i did have 2x512mb sticks in before getting 2x1gb sticks so i dont think the motherboard is faulty.
 
I have noticed a slowdown after upgrading from 2GB to 4GB in WinXP 32bit. possible a re-install would fix it.
 
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