DIMM and DIMMer Posted February 22, 2005 Share Posted February 22, 2005 I just installed a pair of 512MB's (TWINX1024C2PT) into an Abit AS8-V motherboard. According to the data sheet, these support 2-3-3-6 at 200Mhz, so why is the SPD data read as 3-3-3-8? Is this because I am in dual-channel mode, and what happens if I add another identical pair of DIMMs? Thanks! Link to comment Share on other sites More sharing options...
CMC_SAVAGE Posted February 22, 2005 Share Posted February 22, 2005 Did you try to manually set the timings to 2.5-3-3-6? If you add another GB, they would have to be the same version #. Also 4 sticks might not run at 2.5-3-3-6. Link to comment Share on other sites More sharing options...
Wired Posted February 23, 2005 Share Posted February 23, 2005 The SPD on the sticks are set to 3-3-3-8. Just manually change them to 2-3-3-6. Link to comment Share on other sites More sharing options...
calcal Posted February 23, 2005 Share Posted February 23, 2005 those are default settings, no matter what board you plug it into you need to manuelly set it to 2-3-3-6 Link to comment Share on other sites More sharing options...
DIMM and DIMMer Posted February 23, 2005 Author Share Posted February 23, 2005 I thought that was the case. I am going to leave it at 3-3-3-8 for the time being as I want a stable system and I've had a lot of problems with this build (I just RMA'd 2GB of memory from another vendor). I'm planning to add another identical pair of DIMMs in a few weeks, once I'm confident about the stability of my system, what should I set the parameters to, as there seems to be some talk on here of increasing latency timings when running dual channel and all 4 slots populated? Or should I try 2-3-3-6 and hammer it with Memtest86? I'm not a gamer, but I need a powerful system for Photoshop, so I guess I'm more interested in stability than ultimate performance. On the other hand it seems daft to pay a premium for good quality components and then not use them. Just to let you know the system is: Abit AS8-V Pentium 4 540 - stock cooler 2x 512MB Corsair CL2 Matrox G450 dual head Adaptec 2940UW SCSI host adapter Antec 550W Truepower Maxtor 80GB SATA Maxtor 300GB SATA Maxtor 200GB PATA Compaq external 35/70 DLT Inwin full tower with 80mm & 120mm rear exhaust fans, 120mm side and 80mm front inlet fans Thanks again Tim Link to comment Share on other sites More sharing options...
Wired Posted February 23, 2005 Share Posted February 23, 2005 for 4 sticks, make sure the 2nd pair are the same revision! They aren't tested in groups of 4, so I'd try 3-3-3-8 first with 4 sticks. Link to comment Share on other sites More sharing options...
DIMM and DIMMer Posted February 23, 2005 Author Share Posted February 23, 2005 :confused: for 4 sticks, make sure the 2nd pair are the same revision! This is very difficult to do when you buy mail order!!! I guess I just have to go back to the same supplier and take pot luck! Thanks Tim Link to comment Share on other sites More sharing options...
DIMM and DIMMer Posted February 27, 2005 Author Share Posted February 27, 2005 :): I decided to order another set of TWINX1024C2PT DIMMs from the same supplier, fortunately these turned out to be same revision as first pair (V5.1). Fitted these with 3-3-3-8, DDRVDD=2.8V, 200Mhz, all appears to be working fine, 8 passes of Memtest no errors. Cool :cool: Link to comment Share on other sites More sharing options...
CMC_SAVAGE Posted February 27, 2005 Share Posted February 27, 2005 That's cool. Now just play with the timings a bit to see you can get better than 3-3-3-8. Link to comment Share on other sites More sharing options...
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