PT-5IT
SYSTEM BOARD
HARDWARE SETUP
5
(I) CN8
Parallel Port connector
(Supports SPP/EPP/ECP mode, selected by BIOS setup,using IRQ7 or
IRQ5, ECP using DMA channel 3 or 1)
1 14
Pin # Assignment Pin # Assignment
1
STROBE-
14
AUTO FEED-
2
Data Bit 0
15
ERROR-
3
Data Bit 1
16
INIT-
4
Data Bit 2
17
SLCT IN-
5
Data Bit 3
18
Ground
6
Data Bit 4
19
Ground
7
Data Bit 5
20
Ground
8
Data Bit 6
21
Ground
9
Data Bit 7
22
Ground
10
ACK-
23
Ground
11
BUSY
24
Ground
12
PE
25
Ground
13
SLCT
26
N.C. (No Connection)
13 26
(J) CN9
COM B (Serial Port 2) connector
COM1/2/3/4, selected by BIOS setup, using IRQ3 or 4
1 2
Pin # Assignment
Pin # Assignment
1
DCD (Data Carrier Detect) 2
RD (Received Data)
3
TD (Transmit Data)
4
DTR (Data Terminal
Ready)
5
Ground
6
DSR (Data Set Ready)
7
RTS (Request To Send)
8
CTS (Clear To Send)
9
RI (Ring Indicator)
10
NC (No Connection)
9 10
