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)
114 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
12 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)
910
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