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Step 7 Connect Cables,
P33 Speaker Connector
P33 is a four-pin single-inline berg that is attached via a cable to the system speaker. AMIBIOS signals hardware
problems through the speaker.
Pin
1
VCC
2
Key
3
N/C
4
Data out
P31 Keyboard Lock Connector
P31 is a five-pin single-inline berg that attaches via a cable to the keyboard lock connector. The keyboard lock allows
the user to lock the keyboard, protecting the system from unauthorized use.
The front panel LED flashes if the system AMIBIOS Low Power Mode feature is enabled and Pins 1-2 of J4 are
shorted.
Excalibur PCI Pentium ISA Motherboard User's Guide
Continued
Description
Pin
Description
1
LED power
2
Key
3
Ground
4
Keyboard lock
5
Ground
45
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