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