[syslinux] Trouble with Superfloppy format

[Sven Geggus]

Gene Cumm <gene.cumm at gmail.com> wrote:

> Could you be more specific by "Superfloppy format"?  Preferably,
> include the CHS geometry of the disc and its total capacity
> (especially if there's a trailing partial cylinder).

I am testing with an ordinary USB flash drive without any Partitions:

Disk /dev/sdb: 32.5 GB, 32480690176 bytes
64 heads, 32 sectors/track, 30976 cylinders
Units = cylinders of 2048 * 512 = 1048576 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk identifier: 0xbb0eb409

> Could you provide some more details?

Shure! Just tell me how to acquire them. 

> What version are you using?

Syslinux Version is 4.02 from Debian squeeze, but I will cross-check with
4.03 as well just to make shure.

> What is the access method specifier code, ie, CHS in line below?
> 
> "SYSLINUX 4.03 2010-10-22 CHS Copyright (C) 1994-2010 H. Peter Anvin et al"
> 
> There's also EDD.  Copying your entire banner line (like above) might be useful.

Ah OK looks like EDD!

Here we go. All I see is:

SYSLINUX 4.02 debian-20101014 EDD Copyright (C) 1994-2010 H. Peter Anvin et al

Nothing happens afterwards. Is there a debug compile time Option or similar?

> Also, I'd assume this is real hardware and not a disk image loaded into
> memory with something like MEMDISK?  It could be the BIOS, floppy
> controller, floppy drive or floppy disc.

Jepp, real Hardware, an ordinary USB flash drive as I already said where
syslinux works well when using it on another Machine.

Sven

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