[syslinux] Disk images and syslinux

Karri Puumanen karri.puumanen at mainframe.fi
Fri Mar 21 00:09:02 PST 2003

Thanks for your response.
I have succesfully used bootable 1.44 and 2.88 images with syslinux/memdisk. No problemo there. The challenge is how to create a bootable 5-15 MB disk image with correct geometry, MBR, boot sector, active bit  etc.
Having instructions/tools to do such image would make possible for example intgrating all IBM ServeRAID firmware update disks (3 in total) into one image.
-----Original Message----- 
From: Josef Siemes [mailto:jsiemes at web.de] 
Sent: Wed 3/19/2003 3:34 PM 
To: Karri Puumanen; syslinux at zytor.com 
Subject: Re: [syslinux] Disk images and syslinux

	"Karri Puumanen" <karri.puumanen at mainframe.fi> schrieb am 16.03.03 12:50:23:
	> I'm working on a Red Hat 7.3 based bootable cd. I have included a number of firmware update floppy images to it succesfully. However, I run into problems trying to build a floppy image for IBM ServerRAID firmware update. The firmware update disk set contains three disks. So their content does not fit into 1.44 nor 2.88 floppy images.
	> To my understanding it possible to build a hard disk image let's say 5 MB and use it with syslinux. However, I'm not sure about the details of how to do this. All help is highly appreciated.
	You can
	a) create hard disk images for syslinux. These should look like a complete hard disk (dd if=/dev/hda),
	so it should contain a MBR, Partition table, and the partition contents. You can use this with the memdisk driver, but this is thought for DOS images. You need to use loadlin in this environment to
	get a linux kernel booted.
	b) Use isolinux - so your kernel and initrd are not in a disk image with 1.44 or 2.88 MB, but directly
	reside on the CD, without much limitations (you won't want 600 M initrd files, won't you?).
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