IBASE MB930 - Manual (Page 21)

INSTALLATIONS
DIMM1, 2: Channel A DDR2 Socket
DIMM1, 2 are the first-channel DDR2 sockets.
DIMM3, 4 Channel B DDR2 Socket
DIMM3, 4 are the second-channel DDR2 sockets.
CN1: PS/2 Keyboard and PS/2 Mouse Connectors
Mouse (top)
Keyboard (bottom)
Keyboard
Signal
Pin # Mouse
Signal
Keyboard data 1 Mouse data
N.C. 2 N.C.
GND 3 GND
5V 4 5V
Keyboard clock 5 Mouse clock
N.C. 6 N.C.
CN2: Serial Ports(COM1)
CN2 (COM1) is a DB-9 connector, while J2, J8 and J10 are COM
pin-header connectors.
COM1 (DB-9)
Signal Name Pin # Pin # Signal Name
DCD, Data carrier detect 1 6 DSR, Data set ready
RXD, Receive data 2 7 RTS, Request to send
TXD, Transmit data 3 8 CTS, Clear to send
DTR, Data terminal ready 4 9 RI, Ring indicator
GND, ground 5 10 Not Used
MB930-R User’s Manual 17