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From: chris@miller.cs.uwm.edu (Chris Augustine)
Newsgroups: comp.unix.bsd.freebsd.misc
Subject: ATAPI CD Problem.:(
Date: 1 Nov 1995 17:38:00 GMT
Organization: UW-Milwaukee Computer Science
Lines: 40
Message-ID: <478b9o$crr@uwm.edu>
NNTP-Posting-Host: 129.89.9.13
X-Newsreader: TIN [version 1.1 PL9]
This info is for a Dell 100XPS system with a 1.6gig EIDE Hard drive
and a 4x hitachi EIDE cdrom.
Why can I not access the cdrom drive?
Both my hard drive and the cdrom are being recognized as unit 0.
I noticed that if I did this command repeatedly :
mount_cd9660 /dev/wcd0c /mnt
That sometimes I would get - device not configured.
other times I would get - input/output error.
finally the hard drive light would stay on, and the disk would be unaccessable.
==========================BOOT UP MESSAGE==============================
wdc0 at 0x1f0-0x1f7 irq 14 on isa
wdc0: unit 0 (wd0): <WDC AC31600H>
wd0: 1549MB (3173184 sectors), 3148 cyls, 16 heads, 63 S/T, 512 B/S
atapi0.1 at 0x1f0: attach called
atapiX.1 at 0x1f0: identify not ready, status=1<check>
wdc1 at 0x170-0x177 irq 15 on isa
atapi1.0 at 0x170: attach called
wdc1: unit 0 (atapi): <HITACHI CDR-7730/0008a>, removable, iordy
^
___________|_____________________________________________
Is the fact that they are both using unit 0 significant?
_________________________________________________________
=======================================================================
Here is what my kernel config looks like:
controller wdc0 at isa? port "IO_WD1" bio irq 14 vector wdintr
disk wd0 at wdc0 drive 0
disk wd1 at wdc0 drive 1
controller wdc1 at isa? port "IO_WD2" bio irq 15 vector wdintr
disk wd2 at wdc1 drive 0
disk wd3 at wdc1 drive 1
options ATAPI #Enable ATAPI support for IDE bus
device wcd0 #IDE CD-ROM