Hi Eric,
You wrote:
> > - fdisk /dev/sdb
> > -> set partition 1 to FAT12 and bootable
> > - dd of mbr.bin (from syslinux) to /dev/sdb
> > dd if=mbr.bin of=/dev/sdb
>
> Other way round: FIRST install the syslinux MBR and THEN
> adjust it with fdisk. And please use FAT16 or FAT32.
next try (Partition-Type=FAT16):
===============================================================
- dd of mbr.bin (from syslinux) to /dev/sdb
dd if=mbr.bin of=/dev/sdb
- fdisk /dev/sdb
-> set partition 1 to FAT16 and bootable
- create FAT16 filesystem on sdb1:
mkdosfs -F 16 /dev/sdb1
- create bootsector using your tool:
./sys-freedos.pl --disk=/dev/sdb1
DOS boot sector for /dev/sdb1 will be created by:
nasm -o /dev/stdout -dISFAT16 ./bootsecs/boot.asm
Using FAT16, boot code starts at offset 3e. Extended info: drive 0,
res. 0, sig. 29, serno 4208-EC1D, name [ ], type [FAT16 ].
Boot sector successfully updated.
- mount sdb1
- copy kernel.sys and command.com to sdb1
- umount sdb1
- try to boot...
this results in "Missing operating system"
Next try (Partition-Type=FAT32):
===============================================================
- fdisk /dev/sdb
-> set partition 1 to FAT32 (0x0b) and bootable
- create FAT32 filesystem on sdb1:
mkdosfs -F 32 /dev/sdb1
- create bootsector using your tool:
./sys-freedos.pl --disk=/dev/sdb1
DOS boot sector for /dev/sdb1 will be created by:
nasm -o /dev/stdout ./bootsecs/boot32.asm
Using FAT32, boot code starts at offset 5a. Extended info: drive 0,
res. 0, sig. 29, serno 4209-57AB, name [ ], type [FAT32 ].
Boot sector successfully updated.
- mount sdb1
- copy kernel.sys and command.com to sdb1
- umount sdb1
- try to boot...
this results in nothing at all being printed.
Next try (Partition-Type=FAT32 LBA)
===============================================================
- fdisk /dev/sdb
-> set partition 1 to FAT32 LBA (0x0c) and bootable
- create FAT32 filesystem on sdb1:
mkdosfs -F 32 /dev/sdb1
- create bootsector using your tool:
./sys-freedos.pl --disk=/dev/sdb1 --lba
- mount sdb1
- copy kernel.sys and command.com to sdb1
- umount sdb1
- try to boot...
This results in "Loading FreeDOS No KERNEL SYS"
I suspect that mkdosfs is somehow spitting in the soup, I suppose
because it cannot handle LBA addressing. Any ideas?
> Did you check if your BIOS has various USB boot styles
> to chose from?
My BIOS seems to be pretty good. The choices are:
[the usual stuff, HDD-0,1,2,3; CDROM; SCSI; LS120; Floppy; etc]
USB-FDD
USB-ZIP
USB-CDROM
USB-HDD
I chose "USB-HDD". I presume all the other USB- choices involve attaching the
actual hardware via USB.
cheers,
Robert Urban
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