73
Connector J3
PS/2 Mouse Connector
Pin
1
2
3
4
5
6
Function
Mouse Data
N.C.
Ground
+5V
Mouse Clock
N.C.
J4 (COM1) and J5 (COM2)
COM 1 and COM 2 Serial Ports
Pin
1
2
3
4
5
6
7
8
9
Function
DCD (Data Carrier Detect)
RX (Receive Data)
TX (Transmit Data)
DTR (Data Terminal Ready)
Ground (Signal Ground)
DSR (Data Set Ready)
RTS (Request to Send)
CTS (Clear to Send)
RI (Ring Indicator)
Appendix E
Connector Pin Assignments
Connector J6
Floppy Disk Drive Connector
Pin
1
2
3
4
5
6
Function
Ground
DENSEL
Ground
N.C.
Ground
Drate0
Function
Ground
Index
Ground
MTR0
Ground
DR1
Pin
7
8
9
10
11
12