;ere are the relevant dmesg outputs:

Using Knoppix 30-03-03 (which does work):

Linux Kernel Card Services 3.1.22
options: [pci] [cardbus] [pm]
PCI: Assigned IRQ 9 for device 00:0c.0
PCI: Sharing IRQ 9 with 00:0b.0
Yenta IRQ list 0c98, PCI irq9
Socket status: 30000419
cs: IO port probe 0x0c00-0x0cff: clean.
cs: IO port probe 0x0820-0x08ff: clean.
cs: IO port probe 0x0800-0x080f: clean.
cs: IO port probe 0x0100-0x04ff: excluding 0x170-0x177 0x220-0x22f 0x330-0x337 0x370-0x377 0x388-0x38f 0x4d0-0x4d7
cs: IO port probe 0x0a00-0x0aff: clean.
cs: memory probe 0xa0000000-0xa0ffffff: clean.
init_module: prism2_cs.o: 0.1.15 Loaded
init_module: dev_info is: prism2_cs
prism2_cs: index 0x01: Vcc 5.0, irq 3, io 0x0100-0x013f
ident: nic h/w: id=0x800c 1.0.0
ident: pri f/w: id=0x15 1.0.4
ident: sta f/w: id=0x1f 1.0.3
MFI:SUP:role=0x00:id=0x01:var=0x01:b/t=1/1
CFI:SUP:role=0x00:id=0x02:var=0x02:b/t=1/1
PRI:SUP:role=0x00:id=0x03:var=0x01:b/t=1/3
STA:SUP:role=0x00:id=0x04:var=0x01:b/t=1/6
PRI-CFI:ACT:role=0x01:id=0x02:var=0x02:b/t=1/1
STA-CFI:ACT:role=0x01:id=0x02:var=0x02:b/t=1/1
STA-MFI:ACT:role=0x01:id=0x01:var=0x01:b/t=1/1
Prism2 card SN: 99SA01000000

Using Knoppix 3.3 (22-09?) (doesn't work)

Linux Kernel Card Services 3.1.22
options: [pci] [cardbus] [pm]
PCI: Found IRQ 9 for device 00:0c.0
PCI: Sharing IRQ 9 with 00:0b.0
Yenta IRQ list 0498, PCI irq9
Socket status: 30000006
cs: IO port probe 0x0c00-0x0cff: clean.
cs: IO port probe 0x0820-0x08ff: clean.
cs: IO port probe 0x0800-0x080f: clean.
cs: IO port probe 0x0100-0x04ff: excluding 0x170-0x177 0x220-0x22f 0x330-0x337 0x370-0x377 0x388-0x38f 0x4d0-0x4d7
cs: IO port probe 0x0a00-0x0aff: clean.
lp: driver loaded but no devices found
ttyS0: LSR safety check engaged!
ttyS1: LSR safety check engaged!
cs: memory probe 0xa0000000-0xa0ffffff: clean.
init_module: prism2_cs.o: 0.2.0 Loaded
init_module: dev_info is: prism2_cs
prism2_cs: index 0x01: Vcc 5.0, irq 3, io 0x0100-0x013f

Could it be something to do with lp (print services, wtf?). If so I'd like to know how to KILL, remove it.

Any ideas? Replace parts of 3.3 piecemeal from 3.2? Get new hardware?