VGA cable to monitor with 9 pin connector
9 Pin 15 Pin 1 1 2 2 3 3 4 13 5 14 6 6 7 7 8 8 9 11,10
NEC multisync 9 pin connector pinout
According some news articles NEC multisync used the following pinout in their 9 pin monitor connectors.
1 Ground 3 R 4 G 5 B 8 H-sync 9 V-sync