Hi Kevin,
After fixing the problem of usbrom int13 AH=08, Now the usbrom can return correct of CHS parameters. "error 21 "have been resolved, but now the problem is "error 2" which means it can not find the "/boot/grub/menu.lst"
i am still debugging. Any suggestion will be welcome.
On Mon, Aug 17, 2009 at 12:06:04AM +0800, Jason Wang wrote:Great!
> hi all,
> here is my usbrom latest progress.
> 1) usbrom can hook int13
> 2) usbrom can support int13 lba mode which including int13,ah=02,42,41
> 3) usbrom can be used to boot grub from usb disk. Grub can step into
> stage1.5
This is covered in the bios boot specification (bbs) document.
> but there still some problems which should be considered
> 1) how to make usbrom only respond to requests which used for usb not hard
> disk. ( in my eyes, diff these requests by drive number?)
> 2) how do assign the drive number for usb disk? just followed by 80? anyone
> can give me an details about that?
-Kevin
> --
> Jason Wang
> Peking University