SSD Pins

Facing pins, front of SSD upwards.

Pin Name Description Characteristics
1 CLK SIBO-SP Clock TTL 5V logic
2 GND Ground  
3 VBACKUP Backup power for RAM modules +3.75VDC, always on. Also usable as an interrupt on ASIC9-based machines.
4 VPP Used for programming Flash SSDs +15VDC to +18VDC, drops to +9V on power off. Unregulated
5 VCC Main power +5VDC, stops on power off
6 DATA SIBO-SP bidirectional data TTL 5V logic