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Politics : Formerly About Advanced Micro Devices

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To: Tenchusatsu who wrote (67452)	8/3/1999 1:10:00 AM
From: FJB	Read Replies (1) of 1574618

Every SDRAM module (a.k.a. DIMM, or Dual Inline Memory Module) consists of at least eight chips. Each chip is manufactured at some density, like 64 Mbit, 128 Mbit, etc. So a typical 64 MB (that's MegaByte) SDRAM module consists of eight 64 Mbit chips. The problem is that for SDRAM, you can't go below eight chips without hurting bandwidth. All eight chips have to work together in unison to provide 0.8 GB/sec of bandwidth (PC100). No, that is not the case. You can buy 32MB DIMMs with four 64Mb chips on them. I know, because I bought a couple a few months ago. Here's the data sheet for these four chip PC100 DIMMs: micron.com You can also buy PC100 SODIMMs with just two 64Mb chips on them. Bob

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