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Memory Module Specification

Document No. VALUERAM0458-001.A00

09/19/05

DESCRIPTION:

This document describes ValueRAM's 256M x 72-bit 2GB (2048MB) DDR2-400 CL3

SDRAM (Synchronous DRAM) "dual rank" registered ECC "Intel Certified" memory

module.The components on this module include eighteen 128M x 8-bit (64M x 8-bit x 4

Bank) DDR2-400 SDRAM in FBGA packages. This 240-pin DIMM uses gold contact

fingers and requires +1.8V. The electrical and mechanical specifications are as follows:

FEATURES:

Clock Cycle Time (tCK) CL=3 5ns (min.) / 8ns (max.)

Row Cycle Time (tRC) 55ns (min.)

Refresh to Active/Refresh Command Time (tRFC) 127.5ns

Row Active Time (tRAS) 40ns (min.) / 70,000ns (max.)

Single Power Supply of +1.8V (+/- .1V)

Power 3.725 W (operating)

UL Rating 94 V - 0

Figure 1: KVR400D2D8R3/2GI 240-Pin DIMM

KVR400D2D8R3/2GI

2GB 256M x 72-Bit DDR2-400 CL3

Registered 240-Pin ECC DIMM

Memory Module SpecificationDocument No. VALUERAM0458-001.A0009/19/05DESCRIPTION:This document describes ValueRAM's 256M x 72-bit 2GB (2048MB) DDR

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