Dell PowerEdge SC1420 - Manual (Page 8)

Table B-3. Parallel Connector Pin Assignments
PS/2-Compatible Keyboard and Mouse Connectors
The PS/2-compatible keyboard and mouse cables attach to 6-pin, miniature DIN connectors. Figure B -4 illustrates the pin numbers for these connectors and
Table B -4 defines the pin assignments for these connectors.
Figure B-4. PS/2-Compatible Keyboard and Mouse Connector Pin Numbers
Table B-4. Keyboard and Mouse Connector Pin Assignments
Pin Signal I/O Definition
1 STB# I/O Strobe
2 PD0 I/O Printer data bit 0
3 PD1 I/O Printer data bit 1
4 PD2 I/O Printer data bit 2
5 PD3 I/O Printer data bit 3
6 PD4 I/O Printer data bit 4
7 PD5 I/O Printer data bit 5
8 PD6 I/O Printer data bit 6
9 PD7 I/O Printer data bit 7
10 ACK# I Acknowledge
11 BUSY I Busy
12 P E I Paper end
13 SLCT I Select
14 AFD# O Automatic feed
15 ERR# I Error
16 INIT# O Initialize printer
17 SLIN# O Select in
18–25 GND N/A Ground
Pin Signal I/O Definition
1 KBDATA or MFDATA I/O Keyboard data or mouse data
2 NC N/A No connection
3 GND N/A Signal ground
4 FVcc N/A Fused supply voltage
5 KBCLK or MFCLK I/O Keyboard clock or mouse clock
6 NC N/A No connection
Shell N/A N/A Chassis ground