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Pc4000 or is it Pc3700


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I am very curious as to why my TWINX1024-4000PRO is being reported as PC3700 (232MHz) and not PC4000 using CPU-Z utility. Is there a better utility to use other then CPU-Z ?

System components: Intel P4 3.4c Northwood

Asus P4C800-E-Deluxe

TWINX1024-4000PRO (2048mb)

Enermax 550 watt power supply

Bios revision 1019

ATI Radeon 9800 PRO 256mb

Also, what would be the very best timings and voltage etc. for my memory if running sytem at stock speeds ?

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Motherboard make and model: Asus P4C800/-E and/or Abit IC7/-G.

Each pair is tested and packaged together using the following settings:

CPU External Frequency: Manually set to 250MHz

DRAM Clock: Manually set to 1:1 or 400MHz

SDRAM CAS Latency: 3T

SDRAM RAS to CAS Delay (tRCD): 4T

SDRAM Row Precharge (tRP): 4T

SDRAM Active to Precharge Delay (tRAS): 8T

SDRAM Bank Interleave: 4 Bank


All other settings are motherboard defaults.

Maximum recommended VDIMM: 2.9


As for the reporting of the module as PC3700, this is because there is no current standard for PC4000 and thus they programmed it with the most current standard which is PC3700. Some motherboards maybe not function when the SPD is programmed with non-JEDEC settings and timings.

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