Date: Thu, 30 Oct 1997 08:29:50 -0800 (PST) From: patl@phoenix.volant.org To: Nadav Eiron <nadav@barcode.co.il> Cc: Miroslav Kes <mira@rockwell.cz>, freebsd-scsi@freebsd.org, questions@freebsd.org Subject: Re: CD-ROM changer, mount : Device not configured Message-ID: <ML-3.3.878228990.5137.patl@asimov> In-Reply-To: <34589E91.5102@barcode.co.il>
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> Miroslav Kes wrote:
> That a CD changer is not supported this way. Just today preliminary
> support for CD changers went into FreeBSD 3.0-current. 2.2.2R has not
> support for interfacing a CD changer as multiple standard CD. What the
> machine sees is a single drive and, if you're lucky, the changer
> mechanism. You may be able to use raw SCSI commands to activate the
> changer and mount/umount the disks manually, but other than that, or the
> new code in 3.0-current, CD changers are not supported, at least AFAIK.
There must be some support for them - I've been using a Nakamichi
MBR-7 with no problems. (That's the old 7 disk changer.)
I don't see anything different in my config. Here's the relevant
portion of my dmesg:
Copyright (c) 1992-1997 FreeBSD Inc.
Copyright (c) 1982, 1986, 1989, 1991, 1993
The Regents of the University of California. All rights reserved.
FreeBSD 2.2.2-RELEASE #0: Tue Aug 12 12:32:39 PDT 1997
root@phoenix.volant.org:/usr/src/sys/compile/PHOENIX
CPU: AMD Am5x86 Write-Through (486-class CPU)
Origin = "AuthenticAMD" Id = 0x4e4 Stepping=4
Features=0x1<FPU>
real memory = 41943040 (40960K bytes)
avail memory = 38285312 (37388K bytes)
Probing for devices on PCI bus 0:
chip0 <Intel 82424ZX (Saturn) cache DRAM controller> rev 4 on pci0:0
ncr0 <ncr 53c810 scsi> rev 2 int a irq 9 on pci0:1
ncr0 waiting for scsi devices to settle
(ncr0:0:0): "IBM DORS-32160 S82C" type 0 fixed SCSI 2
sd0(ncr0:0:0): Direct-Access
sd0(ncr0:0:0): 10.0 MB/s (100 ns, offset 8)
2063MB (4226725 512 byte sectors)
(ncr0:1:0): "SEAGATE ST15230N 0168" type 0 fixed SCSI 2
sd1(ncr0:1:0): Direct-Access
sd1(ncr0:1:0): 10.0 MB/s (100 ns, offset 8)
4095MB (8386733 512 byte sectors)
(ncr0:5:0): "EXABYTE EXB-8505AXBANXS1 07J0" type 1 removable SCSI 2
st0(ncr0:5:0): Sequential-Access
st0(ncr0:5:0): 5.0 MB/s (200 ns, offset 8)
density code 0x8c, drive empty
(ncr0:6:0): "NRC MBR-7 110" type 5 removable SCSI 2
cd0(ncr0:6:0): CD-ROM
cd0(ncr0:6:0): asynchronous.
cd present [328355 x 2048 byte records]
(ncr0:6:1): "NRC MBR-7 110" type 5 removable SCSI 2
cd1(ncr0:6:1): CD-ROM can't get the size
(ncr0:6:2): "NRC MBR-7 110" type 5 removable SCSI 2
cd2(ncr0:6:2): CD-ROM cd present [318367 x 2048 byte records]
(ncr0:6:3): "NRC MBR-7 110" type 5 removable SCSI 2
cd3(ncr0:6:3): CD-ROM cd present [305507 x 2048 byte records]
(ncr0:6:4): "NRC MBR-7 110" type 5 removable SCSI 2
cd4(ncr0:6:4): CD-ROM cd present [295185 x 2048 byte records]
(ncr0:6:5): "NRC MBR-7 110" type 5 removable SCSI 2
cd5(ncr0:6:5): CD-ROM cd present [301709 x 2048 byte records]
(ncr0:6:6): "NRC MBR-7 110" type 5 removable SCSI 2
cd6(ncr0:6:6): CD-ROM cd present [17710 x 2048 byte records]
-Pat
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