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cPCI-MXS64 Technical Reference Manual
3-36
3.5.3.6. Parallel
Port
Signal
Pin Assignation
Description
SLCT A15
Printer
select
PE B15
Paper
end
BUSY C15
Busy
signal
ACK# D15
Acknowledge
handshake
D 0-7
E17, C17, A17, D16,
C16, B16, A16, E15
Parallel port data bus
SLCTIN# E16
Printer
select
ALF A18
Auto
line
feed
INIT# B17
Initiate
output
ERR#
D17
Error at printer
STB# A19
Strobe
signal
3.5.3.7. Miscellaneous
Signals
Signal
Pin Assignation
Description
SMBDATA# B20
Onboard
SMbus
data
SMBALERT#
C20
Onboard SMbus Alert (CPU overheating)
SMBCLK E20
Onboard
SMbus
Clock
PBRST# A22
Reset
DIAG-OC# C22
Reserved
SPEAKER E22
Speaker
signal
3.5.3.8. Keyboard
Interface
Signal
Pin Assignation
Description
KB:DATA A21
Keyboard
data
KB:CLK B21
Keyboard
clock
KB:VCC C21
Keyboard
power
3.5.3.9. Mouse
Interface
Signal
Pin Assignation
Description
MOUSE:DATA
D21 Mouse
data
MOUSE:CLK
E21 Mouse
clock
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