[syslinux] Chaining from PXELinux to some other boot loader

[behrad at rayavaran.com]

I did this but I think PBOOT and BPPatch look for some Pre-OS functions of PXE otherwise they would give an error. 

-----Original Message-----
From: H. Peter Anvin [mailto:hpa at zytor.com] 
Sent: Wednesday, November 29, 2006 8:59 AM
To: ????? ???????
Cc: stappers at stappers.nl; syslinux at zytor.com
Subject: Re: [syslinux] Chaining from PXELinux to some other boot loader

behrad at rayavaran.com wrote:
> There are a few reasons, maybe there are solutions too:
> 
> When you load a floppy disk image (DOS), you have a few utilities, which makes it possible to do Pre-OS tasks. I couldn't find any solution by MemDisk DOS floppy images:
> 
> 	1) PBOOT.exe: to continue booting to local disk from DOS (as a Pre-OS)
> 	2) BPPatch.exe: make it possible to patch a text file (a DOS Batch file) by DHCP and PXE environmental parameters.
> 	3) PXE and UNDI stacks are available in DOS and so you can use UNDI NDIS drivers and also tftp through PXE stack. It seems that it is not available in Memdisk loaded floppies.
> 

As far as (3) is concerned, you just have to pass "keeppxe" to memdisk.

	-hpa