Memory tweaks with WPCREDIT

[TranceBear]

This is a long shot but has anybody with a motherboard with the VIA KT-133-A chipset changed the RAS to CAS Delay to 2 with WPCREDIT? The best I can get my ram to do is 2-3-2. The only thing I still have to change is the RAS to CAS. I do not have these options in the BIOS.

[Thelemac]

I have, but it was a while ago and I just don't really remember it all that well. I'd say go for it, the worst it can do is crash your computer.

[TranceBear]

Originally posted by Thelemac
I have, but it was a while ago and I just don't really remember it all that well. I'd say go for it, the worst it can do is crash your computer.

I would love to try, but I have checked every hex in this program and it does not mention RAS to CAS delay in any line. I am at a loss.

[Thelemac]

It's in the same ones as it is for the other RAM settings...in the values for 61 and so forth or something like that. Lemme see if I can dig up the article that I was using to check that.

[Thelemac]

As promised:

http://www.athlonoc.com/tweakvia3.php

This will tell you how to fix those up. :)

[redduc900]

I can't tell you for sure which bit refers to RAS to CAS Delay, but I can tell you that (depending on how many DIMM slots you have) registers 64-67 control the memory timing...register 64 is usually slot 0 and 67 is normally slot 4.

I'm running a KK266-R that uses 3 DIMM slots, two of which are occupied...slots 0 and 1. Registers 64 and 65 both show a hex of 12, which corresponds to BIOS settings of 5,2,2,2 and 4-way or...

5...SDRAM Active to Precharge Time
2...RAS to CAS Delay
2...RAS Precharge Time
2...CAS Latency

This is an educated guess, but...

Bit 5 is definitely CAS Latency
Bit 6 is Active to Precharge Time
Bit 7 is RAS Precharge Time
Bit 2 is RAS to CAS Delay
Bits 0 and 1 control Interleaving

[Thelemac]

Originally posted by redduc900
I can't tell you for sure which bit refers to RAS to CAS Delay, but I can tell you that (depending on how many DIMM slots you have) registers 64-67 control the memory timing...register 64 is usually slot 0 and 67 is normally slot 4.

I'm running a KK266-R that uses 3 DIMM slots, two of which are occupied...slots 0 and 1. Registers 64 and 65 both show a hex of 12, which corresponds to BIOS settings of 5,2,2,2 and 4-way or...

5...SDRAM Active to Precharge Time
2...RAS to CAS Delay
2...RAS Precharge Time
2...CAS Latency

This is an educated guess, but...

Bit 5 is definitely CAS Latency
Bit 6 is Active to Precharge Time
Bit 7 is RAS Precharge Time
Bit 2 is RAS to CAS Delay
Bits 0 and 1 control Interleaving

In the article that I linked to is all of the specifics. That seems really close, though. :)

[TranceBear]

Geez, WinXP does not like to be put into a forced re-boot. I have to re-start twice to get my taskbar working. Anyways, I REALLY do appreciate all the help from you guys, but these are things I have tried long ago. I have spent almost a month of time messing with WPCREDIT to get the optimal settings. I have mostly gone by what the PCR file says that each hex is, but there are some errors in the PCR file that I am hoping to find. Setting 12 like in the AthlonOC article just puts the OS into freak mode and locks solid. Using "generic" settings for hex 64-67 is no good for me, this was the 1st place I looked and tweaked. I have tried many thousands of combinations to try to get it to work even when I had lower quality RAM. I guess that I am stuck with these settings with this M/B and I wait until they get DDR all figured out. I really like this board and was hoping to keep it for awhile. Maybe someone has the EXACT settings i need for this specific problem that has nothing to do with hex 64-67, I can only hope. Once again I thank everyone who has tried to help!!

[TranceBear]

bump, there has to be a fix somewhere