2 P
IN
A
SSIGNMENTS
P
RESARIO
N
OTEBOOK
M
AINTENANCE
AND
S
ERVICE
G
UIDE
1800 S
ERIES
Presario 1800 Series
Models: XL180, XL181, XL182, XL183, XL185,
and XL190, XL191, XL192
Serial Connector
Keyboard/Mouse Connector
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
Pin Signal Pin Signal
1 Data 1 4 +5 V
2 Data 2 5 Clock 1
3Ground 6Clock 2