now thats interesting.. I recall seeing something to do with 0x80 and was wondering what it did...
Thanks, gives me something to look into... Its not really that important anymore, I've decided to update that system to a more modern one in a couple of months, and its not likely to even need a reboot by them. still, for interests sake, I'd like to know, I might learn somthing :-) rgds Frank -----Original Message----- From: [EMAIL PROTECTED] [mailto:todd@;mandrakesoft.com]On Behalf Of Todd Lyons Sent: Saturday, 9 November 2002 4:19 AM To: [EMAIL PROTECTED] Subject: Re: [expert] hard disk booting issue IBM PC. Franki wrote on Fri, Nov 08, 2002 at 09:13:26AM +0800 : > > I shut down the box to check the apm settings and to see if I could specify > SCSI as a boot device.. > Its not even an option.. the IBM bios only has autodetect options on 4 > possible ide connections.. Normally the SCSI bios maps itself as device 0x80 (the first bootable device). In this manner, the computer BIOS doesn't know or doesn't care if it's talking to an IDE or SCSI device, it just knows to go to a certain location in memory. The SCSI bios puts itself there and thus the system is bootable from the SCSI drives. Blue skies... Todd -- MandrakeSoft USA http://www.mandrakesoft.com cat /boot/vmlinuz > /dev/dsp #for great justice Cooker Version mandrake-release-9.1-0.1mdk Kernel 2.4.19-18mdkenterprise
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