strategy for mismatched RAM

  • Thread starter Thread starter da_test
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da_test

Hello,
using the utility CTSPD, I see that one of my sticks is
rated 2-2-2, while the other is rated 3-3-3 when run at
133 MHz (system is an olde kt133a chipset)

I can see that I'll have to set CL3 in the BIOS,
but what about the tRas-tRp-TRcd ?

Since adjustment is available as separate settings in the BIOS
for each bank,
I set one to 6-2-2 and the other to 6-3-3
Is this reasonable?
Please advise.
regards,
Dave
 
Hello,
using the utility CTSPD, I see that one of my sticks is
rated 2-2-2, while the other is rated 3-3-3 when run at
133 MHz (system is an olde kt133a chipset)

I can see that I'll have to set CL3 in the BIOS,
but what about the tRas-tRp-TRcd ?

Since adjustment is available as separate settings in the BIOS
for each bank,
I set one to 6-2-2 and the other to 6-3-3
Is this reasonable?
Click to expand...

If it works, yes.
 
If it works, yes.
Click to expand...
Thanks George appreciate the info.

I've got some memory on an older Via mvp3 MB.
It's PC100 sdram - also mismatched RAM.
It's two 128mb sticks running @100MHz.

In the bios, I've got CL3 set.
However, there's not as much granularity
with the memory speed. Instead of 5-2-2, 6-2-2,
6-2-3, etc,etc,
it's just got "fast" and "normal". I've ben running it
with both banks set to fast, not really knowing until now,
what the actual values were.
Yesterday I looked using wpcredit and am very surprised
to see that "fast" = 5-2-2 while "normal" is 6-3-3.

It's surprising because the system is working just fine, even though
one of the sticks, according to CTSPD is 3-3-3. @ 100MHz.
regards,
Dave
 
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