Possible to speed up I/O subsystem of 5150?

From: Ethan Dicks <ethan.dicks_at_gmail.com>
Date: Wed Dec 8 23:48:45 2004

On Thu, 9 Dec 2004 00:41:21 -0500, 9000 VAX <vax9000_at_gmail.com> wrote:
> There are 8 bit SCSI controllers too. Once I sold two to one guy for
> $10. Both used NCR 53c90, both had ROM and were bootable.

I got a Trantor T-128 with my first CD-ROM drive (NCR CDR-74? - had a
double-shutter caddy)
Don't recall if it was bootable, but it was good for more than just the CD-ROM.

I also doubt it did DMA... which may or may not make it suitable for
the purpose at hand (speeding up disk access).

-ethan
Received on Wed Dec 08 2004 - 23:48:45 GMT