INSTALLATIONS
18
MB893 User’s Manual
J4: Parallel Port Connector (Reserved)
Signal Name Pin # Pin # Signal Name
Line printer strobe 1 14 AutoFeed
PD0, parallel data 0 2 15 Error
PD1, parallel data 1 3 16 Initialize
PD2, parallel data 2 4 17 Select
PD3, parallel data 3 5 18 Ground
PD4, parallel data 4 6 19 Ground
PD5, parallel data 5 7 20 Ground
PD6, parallel data 6 8 21 Ground
PD7, parallel data 7 9 22 Ground
ACK, acknowledge 10 23 Ground
Busy 11 24 Ground
Paper empty 12 25 Ground
J4
Select 13 N/A N/A
J5, J6: COM2, COM3 Connectors
J5 is a COM3 pin-header connector.
J6 is a COM2 pin-header connector.
Signal Name Pin # Pin # Signal Name
DCD, Data carrier detect 1 6 DSR, Data set ready
RXD, Receive data 2 7 RTS, Request to send
TXD, Transmit data 3 8 CTS, Clear to send
DTR, Data terminal ready 4 9 RI, Ring indicator
GND, ground 5 10 Not Used
J8: PS/2 Keyboard & Mouse Connectors
Pin # Signal Name
1 KBDAT
2 KBCLK
3 MSDAT
4 MSCLK
5 Ground
6 +5V
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