User`s manual

2-16
X7SB4/X7SBE User's Manual
X7SB4
B
C
A
Serial Ports
COM1 (J31) is a connector located on
the IO Backpanel and COM2 is a header
located at J13. See the table on the right
forpindenitions.
Serial Port Pin Denitions
(COM1/COM2)
Pin#Denition Pin#Denition
1 CD 6 DSR
2 RD 7 RTS
3 TD 8 CTS
4 DTR 9 RI
5 Ground 10 NC
(Pin 10 is available on COM2 only.
NC: No Connection.)
ATX PS/2 Keyboard and PS/2
Mouse Ports
The ATX PS/2 keyboard and the PS/2
mouse are located at J28. See the
table on the right for pin definitions.
(The mouse port is above the keyboard
port.) See the table on the right for pin
denitions.
PS/2 Keyboard and
Mouse Port Pin
Denitions
Pin#Denition
1 Data
2 NC
3 Ground
4 VCC
5 Clock
6 NC
A. Power Button
B. COM1
C. COM2