What is a Sirius?

From: Peter Pachla <peter.pachla_at_vectrex.freeserve.co.uk>
Date: Sat Jul 10 18:10:06 1999

Hi Tony,

>....The only firmware on the disk controller board is the GCR
>encoder/decoder ROM and the microcontroller for the spindle
>motors. Neither of those would change for DS drives. And I'm
>not suprised that the boot ROM will boot a DS drive either.

Quite, IIRC when you're using DS drives the system treats each side of the disc
as a separate drive. So in a dual floppy machine you'd have drives A through D
(A/C and B/D) - under DOS anyway.


  TTFN - Pete.

--
Hardware & Software Engineer. Sound Engineer.
Collector of Arcade Machines, Games Consoles & Obsolete Computers (esp DEC)
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Received on Sat Jul 10 1999 - 18:10:06 BST