DFI G486VPC User Manual page 58

Pin Function
21 Ground
22 Write Data
23 Ground
24 Write Gate
25 Ground
26 Track 0
27 MSEN
Connector J12 and J13
COM A and COM B Serial Ports
Pin
1
2
3
4
5
6
7
8
9
Connector CN1
PS/2 Mouse Connector
Pin
1
2
3
4
5
6
58
Pin
28
29
30
31
32
33
34
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)
Function
Mouse Data
Reserved
Ground
+5V
Mouse Clock
Reserved
Function
Wr Protect
Ground
Read Data
Ground
Head Select
Ground
Disk Change