How to find a right value for hw.cbb.start_memory?

[Sergey A. Osokin]

Hello,
Does anyone have an idea how to find a right value for
hw.cbb.start_memory?

I use a 3Com Megahertz 56K Modem (3CXM756) with
my HP 6100 Omnibook notebook and with
device	pcic
device	card	1
works fine.

Part of verbose boot:
pcib2: device pccard0 requested decoded memory range 0xd0000-0xd0000
pcic: mem addr 0xd0000: reg 48: d0 0 d0 0 0 7f 10
pcic: mem addr 0: reg 48: 0 0 0 0 0 0 0
...
pcib2: device pccard0 requested decoded I/O range 0x3f8-0x3ff
pcib2: device pccard0 requested decoded I/O range 0x2f8-0x2ff
...
pccard0: Assigning sio4: io 0x2f8-0x2ff irq 10 flags 0x0
pcib2: device sio4 requested decoded I/O range 0x2f8-0x2ff
pcic: I/O win 0 flags 11 2f8-2ff
pcic: I/O win 0 flags 1 2f8-2ff
sio4 at port 0x2f8-0x2ff irq 10 slot 0 on pccard0
pcib2: device sio4 requested decoded I/O range 0x2f8-0x2ff
pcic: I/O win 0 flags 11 2f8-2ff
sio4: type 16550A
sio4: Forcing IRQ to 10
sio4: unable to activate interrupt in fast mode - using normal mode

I tried to use
device cbb
device pccard
device cardbus
but its don't work for me:
pcib2: device pccard0 requested decoded memory range 0x88000000-0xffffffff
CIS is too long -- truncating
pccard0: Card has no functions!
cbb0: PC Card card activation failed

Also I tried to change hw.cbb.start_memory to 0xd0202000,
but it don't help me.

Any idea?
Thanks.

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