PT-5IT SYSTEM BOARD HARDWARE SETUP
6
(K) CN10 COM A (Serial Port 1) connector
COM1/2/3/4, selected by BIOS setup, using IRQ4 or 3
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
(L) CN11 IR (Infrared Rays) transmission connector
Pin # Assignment
Pin # Assignment Pin # Assignment
1 +5V DC 3 IR Receive 5 IR Transmit
2 No Connection 4 Ground
(M) CN12 USB 1 (Universal Serial Bus port1) connector
(N) CN13 USB 2 (Universal Serial Bus port2) connector
(O) CN14 Cooling fan power connector
Pin # Assignment
1 +12V DC
2 Ground
(P) RS Reset Button connector
Pin # Assignment
Pin1&2 Function
1 Reset Control Open No action
2 Ground Short System Reset
(Q) HL IDE HDD LED connector
Pin # Assignment
1 Pullup (+5V DC)
2 Signal Pin
(R) TL Turbo LED connector
Pin # Assignment
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