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To: wily who wrote (63730)1/5/2001 12:16:08 PM
From: Ali Chen  Read Replies (2) | Respond to of 93625
 
wily, <I'd really like to see this 25MB/s. ...(head-to-media) max transfer rates of 50MB/s.>

It is doable under Win98SE, but only if your BIOS
configures IDE and disk to run in UDMA mode
(which was never the case in the nearest past). Then
booting into DOS-7 (aka "win98-dos") will retain
the UDMA functionality without special drivers.
The might be an option to use Promise or Hotpoint
PCI IDE controllers under DOS.

BTW, the "usual" head-to-media transfer rate for latest
IDE Quantums is around 290Mbits/s, which, accounting for
formatting overhead (about 2 bits on every byte, on
average), could translate into 290/10 = 29MBytes/s.
I don't know what the current record of data density
is, maybe IBM glass platters are doing better,
but not the 50MB/s yet as far as I can tell.

Regards,
- Ali