18
2.2 I/O cable and connector
The drive uses a 40-pin, male I/O connector with two rows of twenty pins
each and a notch for keying. Pin 20 is removed for keying purposes. A
drawing of the I/O connector is shown in Figure 2. Pin 1 is located near
the 4-pin power connector when the I/O connector is mounted.
0.70 ± 0.010
0.025
± 0.002
0.160
1.90
2.00
Figure 2. ATA interface connector
The table below lists recommended parts for the mating connector. You
can use equivalent parts.
Part
Description
Connector
40-pin
Connector
40-pin
Flat cable
AWG28 (stranded)
To ensure the integrity of your data, use a 40-connector, nonshielded I/O
cable with a maximum length of 18 inches (46 centimeters).
2.3 Power connector
The drive uses a standard 4-pin, male power connector. We recommend
the following part number or their equivalents for the mating connector.
Part
Description
Connector
Housing
Connector
Pin (loose piece)
Connector
Pin (Reel)
Cable
18 AWG
Medalist 1270 Product Manual, August 1995
0.100 ± 0.010
0.230 ± 0.003
0.235 ± 0.025
0.025 ± 0.002
pin 1
0.100 typ
3M part number
3M-3417-7000
3M-3448-2040
3M-3365-40
Part number
AMP 1-480424-0
AMP 60619-4
AMP 6117-4
0.070 ± 0.010