User`s manual

Base Unit • 17
 2.2.8 Compact Flash Connector
GEME’s standard CompactFlash (CF) socket has an ATA interface that is fully
compatible with an IDE HDD and supports both type-I and type-II CF cards. The
CF socket is on the Secondary IDE port.
 2.2.9 Parallel Port connector
Parallel I/O interface signals are routed to a DB25 socket on the front panel. This
port supports full IEEE-1284 capability and provides a basic printer interface that
supports EPP and ECP enhanced port modes
IRQ and Address Setting
The IRQ, I/O address range and mode are all assigned by BIOS.
The following table outlines the parallel port default settings:
Parallel Port Mode Bass address IRQ
SPP 378h IRQ7
Signal Name Pin # Pin # Signal Name
Line printer strobe 1 14 AutoFeed
PD0, parallel data 0 2 15 Error
PD1, parallel data 1 3 16 Initialize
PD2, parallel data 2 4 17 Select
PD3, parallel data 3 5 18 Ground
PD4, parallel data 4 6 19 Ground
PD5, parallel data 5 7 20 Ground
PD6, parallel data 6 8 21 Ground
PD7, parallel data 7 9 22 Ground
ACK, acknowledge 10 23 Ground
Busy 11 24 Ground
Paper empty 12 25 Ground
Select 13 N/A N/A