Compaq MSB900L Computer Hardware User Manual


 
DIGITAL-LOGIC AG MSB900/L Detailed Technical Manual V1.0
50
X61 Serial Port COM1, Parallel Port LPT1
Header onboard D-SUB connector Signal
Pin 1 Pin 1 DCD
Pin 2 Pin 6 DSR
Pin 3 Pin 2 RxD
Pin 4 Pin 7 RTS
Pin 5 Pin 3 TxD
Pin 6 Pin 8 CTS
Pin 7 Pin 4 DTR
Pin 8 Pin 9 RI
Pin 9 Pin 5 GND
Pin 10 GND
Pin 11 select
Pin 12 Pin 12 paper end
Pin 13 Pin 11 busy
Pin 14 Pin 10 acknowledge
Pin 15 Pin 9 data 7
Pin 16 Pin 8 data 6
Pin 17 Pin 7 data 5
Pin 18 Pin 6 data 4
Pin 19 Pin 5 data 3
Pin 20 Pin 17 shift in
Pin 21 Pin 4 data 2
Pin 22 Pin 16 init printer
Pin 23 Pin 3 data 1
Pin 24 Pin 15 error
Pin 25 Pin 2 data 0
Pin 26 Pin 14 auto feed
Pin 27 Pin 1 strobe
Pin 28 Pin 23-25 GND
Pin 29 power supply GND
Pin 30 power supply 8-30V
Pin 29 power supply GND
Pin 30 power supply 8-30V