From: jmk@plan9.bell-labs.com jmk@plan9.bell-labs.com
Subject: SCSI woes.
Date: Mon, 14 Jul 1997 09:17:33 -0400 [thread overview]
Message-ID: <19970714131733.nuOSP6UFAtA0610qi61FofkUlqbAXVrZohTEYfoCQTo@z> (raw)
if you look in the driver (kernel or b.com) as to which command "adaptec0: invdcmd #01, len 5"
refers to (Cmbinit = 0x01), the following comment in the reset routine may give
a clue
/*
* If the BIOS is enabled on the 1542C/CF and BIOS options for support of drives
* > 1Gb, dynamic scanning of the SCSI bus or more than 2 drives under DOS 5.0 are
* enabled, the BIOS disables accepting Cmbinit to protect against running with
* drivers which don't support those options. In order to unlock the interface
* it is necessary to read a lock-code using Cextbios and write it back using
* Cmbienable; the lock-code is non-zero.
*/
i think this was an addition after the cd-rom was cut.
--jim
next reply other threads:[~1997-07-14 13:17 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
1997-07-14 13:17 jmk [this message]
-- strict thread matches above, loose matches on Subject: below --
1997-07-14 17:16 geoff
1997-07-14 17:04 Berry
1997-07-14 16:49 presotto
1997-07-14 6:43 Lucio
1997-07-13 21:12 geoff
1997-07-13 14:55 Lucio
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