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From: vir@xmission.com (vir@45acp.slip.com)
Newsgroups: comp.os.linux.development,comp.os.minix,comp.os.mach,comp.os.386bsd.development,comp.sys.ibm.pc.hardware.misc
Subject: Re: Booting from CD-ROM, was: [Announcement] 386BSD Release 1.0
Followup-To: comp.os.linux.development,comp.os.minix,comp.os.mach,comp.os.386bsd.development,comp.sys.ibm.pc.hardware.misc
Date: 11 May 1994 02:52:40 GMT
Organization: Salt Lake Internet Project [C]/SLIP
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Message-ID: <2qph9o$jov@xmission.xmission.com>
References: <2q63q2$927@dearg.cuillin.org.uk> <wright.86.000DC700@lims01.lerc.nasa.gov> <2q8qqr$q96@spool.cs.wisc.edu> <hastyCpCLny.5q8@netcom.com> <newcombe.142.00141E4A@aa.csc.peachnet.edu> <CpE8p7.H@wg.saar.de> <1994May7.211614.28288@ibr.cs.tu-bs.de> <1994May8.192122.5828@pe1chl.ampr.org>
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Rob Janssen (rob@pe1chl.ampr.org) wrote:
: In <1994May7.211614.28288@ibr.cs.tu-bs.de> rh@ramz.ing.tu-bs.de (Ruediger Helsch) writes:
: >It is possible to boot from a CD-ROM. I made a CD with a boot block so
: >it could be bootet from a SCSI CD-ROM hanging on an AHA1542B. But
: >I do not know how many other SCSI adapters or CD-ROM controllers do
: >allow this, I think even with the AHA1542C it would not work, its BIOS
: >does simply refuse to boot a CD-ROM.
: But what did you do to avoid the system booting from a harddisk?
: I can understand (as I explained in another posting) that it is possible
: to boot from a CD-ROM, at least as long as the BIOS does not explicitly
: disallow it. The bootcode just reads block 0 and performs some checks
: on validity as a bootblock.
: What I don't understand is how you can boot a CD-ROM which is at unit #1
: (for example) while unit #0 is a harddisk.
: Rob
Can't this the accomplished with lilo installed on the 1st HD and
the 2nd HD as the CDROM (using SCSI systems). With lilo configured,
it should be able to load the linux or vmlinuz image from the
CDROM... Haven't played with lilo for a while... Maybe I'll
go try that tomorrow....
CUL,
vir
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