Lenovo NetVista Hardware Maintenance Manual (HMM) for Aptiva and NetVista 2255 - Page 130
System Board Connector Pin Signals, Monitor Port Signals, Signal Name
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System Board Connector Pin Signals Monitor Port Signals Pin Signal Name 1 Red Video 2 Green Video 3 Blue Video 4 No Connection 5 Synch Ground 6 Red Ground 7 Green Ground 8 Blue Ground Serial Port Signals Pin Signal Name 1 Data Carrier Detect 2 Receive Data 3 Transmit Data 4 Data Terminal Ready 5 Signal Ground I/O Pin O 9 O 10 O 11 N/A 12 N/A 13 N/A 14 N/A 15 N/A Signal Name +5 V dc Synch Ground No Connection Monitor ID Bit 1 Horizontal Synch Vertical Synch Monitor ID Bit 3 I/O Pin I 6 I 7 O 8 O 9 N/A Signal Name Data Set Ready Request To Send Clear To Send Ring Indicator Parallel Port Signals Pin Signal Name 1 Strobe 2 Data Bit 0 3 Data Bit 1 4 Data Bit 2 5 Data Bit 3 6 Data Bit 4 7 Data Bit 5 8 Data Bit 6 9 Data Bit 7 10 Acknowledge 11 Busy 12 Paper Empty 13 Select 130 I/O Pin O 14 I/O 15 I/O 16 I/O 17 I/O 18 I/O 19 I/O 20 I/O 21 I/O 22 I 23 I 24 I 25 O Signal Name Auto Feed Error Initialize Select (In) Ground Ground Ground Ground Ground Ground Ground Ground I/O N/A N/A N/A I O O I I/O I O I I I/O N/A I O O Power Power Power Power Power Power Power Power