search for: 4ah

...m thinking that this step should take the necessary information from the initial section entry and combine it with the information I know about the disk interface (primary/secondary/sata) and drive (master/slave) and use that to create the CD specification packet in a call to interrupt 13h function 4Ah that way the BIOS can then deal with the rest of the queries itself. My testing at the moment is using a CentOS 6.7 netinstall CD which uses isolinux 4.04 albeit I have replaced the standard isolinux.bin file with the isolinux-debug.bin version. Andy.

Hello, I am working on a legacy BIOS extension that is used to provide a centralised and managed boot process for a secure environment. Due to an assortment of reasons the access to hard disk / CD-ROM devices has had to be implemented at a low level (reading/writing IDE controller registers) rather than relying on the int 13h services provided by the system BIOS. Booting hard disks is working

Since lot of people want this thing, I will try to take a stab at it. For now, I will hard code the menu in the code, and then somebody else can remove that restriction. May be we can add some kind of keyword to the config file which syslinux ignores and the comboot menu does something with it. I have one question about comboot: If I write a DOS program using C (compiled using watcom -3 -mt -osx

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