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To: SBHX who wrote (41888)	5/9/2000 8:39:00 PM
From: jim kelley	Read Replies (2) \| Respond to of 93625

Thanks, for the info... It got me to looking at the Geforce cards. I found this press release from Leadtek: leadtek.com "The 32MB version WinFast GeForce 256 DDR will be available at the end of November through Leadtek's distribution channels, and the estimated price will be $100 higher than the non-DDR (SDR) version with the same memory size." At that rate, it would put 128 MB of DDR at $400 above the cost of SDRAM. Sounds like it costs more than RDRAM. BILOW are you paying attention???? :)

To: SBHX who wrote (41888)	5/9/2000 9:07:00 PM
From: Bilow	Read Replies (2) \| Respond to of 93625

Hi Scared but Hopeful; Re fast SGRAM... I believe that 4.0ns SDR SGRAM has been at least sampled by somebody. In any case, Samsung does do 4.5ns parts: usa.samsungsemi.com These are SDRAM parts, the DDR versions have a lower clock period, 6.0ns: usa.samsungsemi.com The bandwidth out of the above 6.0ns DDR 2Mx32 SGRAM is a hot 1.3GB/sec. A 128-bit wide memory built from them would hit 5.3GB/sec. Note on SGRAM. Basically, the use of the color registers is to allow the drawing of large areas of memory with an identical color. The pixels written to are determined by single bits applied to the memory. If they are 32-bit pixels, then the overall write bandwidth for the operation is improved by a factor of as much as 32. But these aren't really used that much in modern 3D systems, I would guess. -- Carl