Ossi Herrala wrote:

>Yesterday I got second-hand 3Com Megahertz (Model 3CCFEM556B) NIC to my
>old Toshiba T1910 (486SX, 33MHz, 8MB of RAM) laptop.
>
>While trying to boot NetBSD I got:
>
>ep0 at pcmcia0 function 0 port 0x400-0x41f: 3Com/Megahertz 3CCFEM556BI Ethernet/Modem
>ep0: wrote 0x7ff to TX_AVAIL_THRESH, read back 0x1fff. Interface disabled
>ep0: couldn't configure controller
>com3 at pcmcia0 function 1 port 0x400-0x407: serial device
>com3: ns16550a, working fifo
>
>  
>
You will require the following in your kernel config to make the T1910's 
PCMCIA slots work (from pcmcia(4)):

           # Avoid pcmcia bus space conflicts with the default io space
           # allocation on 12-bit wide busses (base 0x400 size 0xfff).
           options PCIC_ISA_ALLOC_IOBASE=0x300
           options PCIC_ISA_ALLOC_IOSIZE=0x0ff

Regards,
Jared