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To: blake_paterson who wrote (49037)	8/5/2000 5:29:07 PM
From: Scumbria	Read Replies (1) \| Respond to of 93625

Blake, The disk speed does skew the benchmarks slightly in favor of SDRAM. Who knows, DRDRAM may be just as fast as PC133, and only 3X the price! I'm not sure that you get it. With very few exceptions, we CPU design types are not using DRDRAM. It is too expensive and offers little or no performance benefit. Scumbria

To: blake_paterson who wrote (49037)	8/5/2000 8:29:43 PM
From: Dan3	Read Replies (2) \| Respond to of 93625

Re: Can you honestly state that there is a not a difference in disk transfer with ATA-66 vs ATA-100 interfaces with an ATA-100 hard drive. My feeling is that there is a measureable speed difference using ATA-100 vs ATA-66. We will have to wait for 820e benchmark tests to adquiately compare RDRAM to SDRAM." The data rate from the fastest IDE drives I've seen so far is IBM's 75gig 7,200RPM Deskstar 75. It's max data rate off the drive is 37 MB/Sec. If you have two of those drives configured as RAID 0 you might manage to saturate an ATA-66 bus once in a while. ATA-100 is designed for future drives. I believe those test machines were speced with single drives, which would not be limited by ATA-66. I read recently that somebody, it might be maxtor, will soon be shipping a 10,000 RPM IDE drive of a similar density. Two of those configured as RAID 0 might be able to tell the difference between ATA-66 and ATA-100. There may have been other external reasons for those benchmark results, but ATA-66 vs. ATA-100 probably wasn't it. Dan