Aaeon PCM-7890, User Manual

Page: 53 / 134

Chapter 2 Installation 41
Parallel port connector (PC1)
Normally, the parallel port is used to connect the board to a
printer. The mainboard includes an onboard parallel port, accessed
through PC1, a 26-pin flat-cable connector. You need an adapter
cable if you use a traditional DB-25 connector. The cable has a
26-pin connector on one end and a DB-25 connector on the other.
Parallel port IRQ
The mainbaord supports one parallel port. The port is designated
as LPT1 and can be disabled or changed to LPT2 or LPT3 in the
system BIOS setup.
Parallel port connector table (PC1)
Parallel port connector (PC1)
Pin Signal Pin Signal
1
/STROBE
2 \AUTOFD
3 DO 4 ERR
5 D1 6 \INIT
7 D2 8 \SLCTINI
9 D3 10 GND
11 D4 12 GND
13 D5 14 GND
15 D6 16 GND
17 D7 18 GND
19
\ACK
20 GND
21 BUST 22 GND
23 PE 24 GND
25 SLCT 26 N/C