Hi Manuel,

bad news, on Soekris 4501 board the last M0n0Wall don't work with
ad8: 62MB <SAMSUNG CF/ATA> [248/16/32] at ata4-master BIOSPIO
labelled Intenso.

Steps are:

comBIOS ver. 1.15  20021013  Copyright (C) 2000-2002 Soekris Engineering.
 
net45xx
 
0064 Mbyte Memory                        CPU 80486 133 Mhz
 
Pri Mas  SAMSUNG CF/ATA                  LBA 248-16-32  63 Mbyte
 
PXE-M00: BootManage UNDI, PXE-2.0 (build 082)
 
Slot   Vend Dev  ClassRev Cmd  Stat CL LT HT  Base1    Base2   Int
-------------------------------------------------------------------
0:00:0 1022 3000 06000000 0006 2280 00 00 00 00000000 00000000 00
0:16:0 13A3 0012 0B400001 0116 0280 10 3C 00 A0000000 A0001000 10
0:18:0 100B 0020 02000000 0107 0290 00 3F 00 0000E001 A0002000 11
0:19:0 100B 0020 02000000 0107 0290 00 3F 00 0000E101 A0003000 05
0:20:0 100B 0020 02000000 0107 0290 00 3F 00 0000E201 A0004000 09
 
 1 Seconds to automatic boot.   Press Ctrl-P for entering Monitor.
Console: internal video/keyboard
BIOS drive C: is disk0
BIOS 639kB/64512kB available memory
 
FreeBSD/i386 bootstrap loader, Revision 0.8
(root at nb dot neon1 dot net, Mon Jul 28 20:31:49 CEST 2003)
-
Hit [Enter] to boot immediately, or any other key for command prompt.
Booting [kernel]...
can't load 'kernel'
can't load 'kernel.old'
 
Type '?' for a list of commands, 'help' for more detailed help.
ok
ok

The boot seems ok, but when the kernel is loaded something goes wrong, 
the loading is VERY slow.
I've try another CF to be shure about this failure. It't working on my desk!
The working well CF card is a SanDisk.

I have already used both cards in a digital camera without any problems.

Roberto.