Disk hardware emulation, was Re: Grandfather system RTE6/VM?

From: Dwight K. Elvey <dwight.elvey_at_amd.com>
Date: Wed Dec 10 10:11:40 2003

>From: "James Dickens" <jdickens_at_ameritech.net>
---snip---
>
>okay not an expert, but most systems using these drives used interleaving of
>sectors(because there was no way the system was fast enough to handle the
>data), the IBM PC used a factor of 6. The machine the device would not know
>what to do with 30MB/s of data if you produce it. i doubt any machine having
>such a drive would benefit from more than 4MB/s and producing data faster
>than the machine expects can cause timing errors, that were not noticed when
>the machine was new. i guess after the device is made.. yo u will have to
>spend more time slowing it down than trying to get it faster.
>
---snip---
 Hi
 As far as I know, all PC hard disk interfaces had at least
a one sector buffer. This is unlike the floppy interface
that did byte for byte DMA.
Dwight
Received on Wed Dec 10 2003 - 10:11:40 GMT