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
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
(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
