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- From: Julian Reschke <reschke@GOEDEL.UNI-MUENSTER.DE>
- Subject: Re: PUN_INFO pun field ...
- Date: Wed, 30 Jun 93 11:46:55 MET DST
- In-Reply-To: <9306292323.AA18488@nyx.cs.du.edu>; from "Stephen Henson" at Jun 29, 93 5:23 pm
-
- >
- > Just a quick question before I get pl5 out: how many bits of the pun field
- > correspond to valid device numbers for physical mode Rwabs ? I know bits 0-2
- > are used and now I've heard 3 is set for TT SCSI bus. I presume a couple more
- > are used for Falcon IDE.
- > The XHDI docs seem to suggest that device numbers 0-63 are possible
- > so I'll mask bits 0-5 if I don't hear otherwise. No doubt ICD does something
- > different :-(
- > Steve.
- >
-
- Sadly, Atari never updated the original documentation.
-
- However... (from memory):
-
- Bit 7: partition invalid
-
- Bit 4: IDE drive (Atari only supports #16, we have #17, too).
- Bit 3: SCSI drive
-
- So for now, you should probably use bits 0..4.
-
- --
- ---------------------------------------------------
- Julian F. Reschke, Hensenstr. 142, D-48161 Muenster
- eMail: reschke@math.uni-muenster.de jr@ms.maus.de
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