Product manual

2.5.1 ST52160N interface pin assignments
The table below shows the pin assignment for the ST52160N 50-pin
interface connector. A minus sign (−) indicates an active-low signal.
Signal name
Signal
pin number
Ground
pin number
–DB(0) 2 1
–DB(1) 4 3
–DB(2) 6 5
–DB(3) 8 7
–DB(4) 10 9
–DB(5) 12 11
–DB(6) 14 13
–DB(7) 16 15
–DB(P) 18 17
Ground 19–22 —
Reserved 23–25 —
Terminator power 26 —
Reserved 27–28 —
Ground 29–30 —
–ATN 32 31
Ground 33–34 —
–BSY 36 35
–ACK 38 37
–RST 40 39
–MSG 42 41
–SEL 44 43
–C/D 46 45
–REQ 48 47
–I/O 50 49
Caution.
Do not connect pin 25 to ground. If you plug in the connector
upside down, the terminator power on pin 26 is shorted to
ground. This may damage the drive.
Medalist Pro 2160N/2160WC Product Manual, Rev. A 21