17
Installing the Motherboard
CASE: Chassis intrusion 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.
LPT: Onboard parallel port header
Pin Signal Name
1 STB# Strobe 2 D0 Data 0
3 D1 Data 1 4 D2 Data 2
5 D3 Data 3 6 D4 Data 4
7 D5 Data 5
8 D6 Data 6
9 D7 Data 7 10 ACK# Acknowledge
Pin Signal Name Function Pin Signal Name Function
11 BUSY Busy 12 PE Paper End
13 SLCT Select
14 AFD# Auto Feed
15 ERR# Error 16 INIT# Initialize
17 SLIN# Select In 18 GND Chassis Ground
19 GND Chassis Ground 20 GND Chassis Ground
21 GND Chassis Ground 22 GND Chassis Ground
24 GND Chassis Ground
26 NC No pin
23 GND Chassis Ground
25 GND Chassis Ground
This is a header that can be used to connect to the printer, scanner or other devices.
Pin 1-2 Function
Short Chassis cover is removed
Open Chassis cover is closed
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