[syslinux] USB boot

H. Peter Anvin hpa at zytor.com
Wed Nov 26 09:07:49 PST 2003

Erwan Velu wrote:
>>It depends on your device and on your BIOS.  If the answer is anything 
>>but USB-HDD, then you shouldn't have an MBR on the disk at all.
>>I suspect the answer is USB-HDD (that seems to be the case for most the 
>>USB keys I've seen), but I don't know for sure.
> I've saw many BIOSES that considering some usb keys as USB-ZIP but the
> geomtry of your key impact the way the BIOS consider your key.
> Under windows on the PQI website, their is a tool that allow you to
> format your key as USB-FDD, USB-ZIP or USB-HDD.
> It seems the boot loader you use, change also the kind of usb key you
> have. In my case, syslinux gives me a USB-FDD/ZIP and grub an USB-HDD
> key.

Probably depends, rather, on if you partitioned your key or not.

> PS: On my A7n8X-Deluxe, I must activate "USB MOUSE LEGACY" for enabling
> the usb boot option. Kind of tricky bios :)

It's also entirely possible the same key could work in both modes.


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