Keyboard And Mouse Connectors; Front Panel; Keyboard And Mouse Connector Pin Assignments; Front Panel Connector Pin Assignments - NEC SP B-Series Service And Reference Manual

Keyboard and Mouse Connectors

The keyboard and mouse use standard PS/2 connectors. Pin assignments are
given in the following table.
Pin
1
2
3
4
5
6

Front Panel

The front panel connector provides cabling for the buttons and panel LEDs
(power and hard disk). The connector pin assignments are given in the following
table.
Pin
1
2
3
4
5
6
7
8
9

Keyboard and Mouse Connector Pin Assignments

Keyboard Connector
Keyboard Data
No connection
Ground
+5V (fused)
Keyboard Clock
No connection

Front Panel Connector Pin Assignments

Signal
HD_PWR
HDR_BLNK_GRN
HAD
HDR_BLNK_YEL
GND
FPBUT_IN
FP_RESET
GND
+5V
Mouse Connector
Mouse Data
No connection
Ground
+5V (fused)
Mouse Clock
No connection
Pin
10
11
12
13
14
15
16
17
18
Connector Pin Assignments B-7
Signal
FPSLP
IRRX
GND
GND
N/C
IRTX
IR_PWR
N/C
N/C