The
cpi interface supports the Creative Systems Inc. Hurdler CPI Nubus card, which is based on a Zilog Z8536 CIO.
The parallel port on the Hurdler CPI card is wired as follows:
Signal
SubD pin
Z8536 pin
Z8536 signal
/ACK
10
21 + 11
PC2 + PB3
BUSY
11
19 + 14
PC0 + PB6
/AUTOFD
Auto Feed
14
12
PB4
/SELIN
Select In
17
10
PB2
The Z8536 INT line (pin 24) is wired to PB7 (pin 15).