PC Chips A41G V7.0 User Manual page 17

Motherboard User's Guide
LPT: Onboard parallel port header
This is a header that can ba used to connect to the printer, scanner or other devices.
Pin Signal Name
1 STROBE
2 PD0
3 PD1
4 PD2
5 PD3
6 PD4
7 PD5
8 PD6
9 PD7
10 ACK
11 BUSK
12 PE
13 SLCT
CASE: Chassis intrusion detect header
This detects if the chassis cover has been removed. This function needs a chassis
equipped with instrusion detection switch and needs to be enabled in BIOS.
Pin 1-2
Short
Chassis cover is removed
Open
Chassis cover is closed
COM: Onboard serial port header
Connect a serial port extension bracket to this header to add a second serial port
to your system.
Pin Signal Name
1
DCDB
2
SINB
3
SOUTB
4
DTRB
5
GND
6
DSRB
7
RTSB
8
CTSB
9
RI
10
Key
Pin Signal Name
14 ALF
15 ERROR
16 INIT
17 SLCTIN
18 Ground
19 Ground
20 Ground
21 Ground
22 Ground
23 Ground
24 Ground
25 Ground
26 Key
Function
Function
Data Carrier Detect
Serial Input
UART B Serial Output
UART B Data Terminal Ready
Ground
Data Set Ready
RART B Request to Send
Clear to Send
Ring Indicator
No pin
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