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4 P
IN
A
SSIGNMENTS
P
RESARIO
N
OTEBOOK
M
AINTENANCE
AND
S
ERVICE
G
UIDE
1800 S
ERIES
Presario 1800/1800T Series
Models: XL280, XL380, XL381,
and XL390
Game Port Connector
Note: the game port connector is available only on the optional QuikDock device.
Serial Connector
Pin Signal Pin Signal
1+5V 9+5V
2 SWA 10 SWC
3 RBTA 11 RBTC
4 GND 12 RMSO
5GND 13RBTD
6 RBTB 14 SWD
7SWB 15RMSI
8 +5V
Pin Signal Pin Signal
1 Carrier Detect 6 Data Set Ready
2 Receive Data 7 Ready to Send
3 Transmit Data 8 Clear to Send
4 Data Terminal Ready 9 Ring Indicator
5 Signal Ground 5 Signal Ground