SE7221BK1-E Technical Product Specification
37
7.12 Keyboard and Mouse Connector
Two PS/2 ports are provided for use by a keyboard and a mouse. The following table details the
pin-out of the PS/2 connectors.
Table 34. Keyboard and Mouse PS/2 Connectors Pin-out (KM9A1)
PS/2 Connectors
Pin
Signal Name
K1 RKBDATA
K2 NC
K3 GND
K4 P5V_KB_MS
K5 RKBCLK
Keyboard
K6 NC
M1 MSEDATA
M2 NC
M3 GND
M4 P5V_KB_MS
M5 RMSCLK
Mouse
M6 NC
7.13 Miscellaneous Headers
7.13.1 Fan
Header
There are four 3-pin fan headers. (JP5J1, JP5J2, JP7A1, and JP6A1) These fan headers have
the same pin-out and are detailed below.
Table 35. Three-pin Fan Headers Pin-out (JP5J1, JP5J2, JP7A1, JP6A1)
Pin
Signal Name
Type
Description
1
Ground
Power
GROUND is the power supply ground
2
Fan Power
Power
Fan Power with FAN_SPEED_CNTL1 (Fan speed control)
3
Fan Tach
Out
FAN_TACH signal is connected to the LM96000 to monitor the FAN
speed.
There are also four 8-pin fan headers. (J6J1, J6J2, J6J3, J6J4) These fan headers have the
same pin-out and are detailed below.
Table 36. Eight-pin Fan Header Pin-out
(
J6J1, J6J2, J6J3, and J6J4
)
Pin
Signal Name
Type
Description
1
Fan Power
Power
Fan Power with FAN_SPEED_CNTL1 (Fan speed control)
2
Fan Tach
Out
FAN_TACH signal is connected to the Super IO/LM96000 to monitor the
FAN speed.