IBM 3270 Maintenance Manual page 603

Note: Shown below are examples of the fixed
disk drive and connectors. These may not be
the same as those in your system; however,
certain items are the same.
•
Jl, the control connector, has 34 pins.
• J2, the data connector, has 22 pins.
• The Power connector has 4 pins and:
- May be mounted on the logic board or,
- May be on a pigtail.
6. Slide the drive out approximately 50 mm
(about 2 in.) and disconnect the control
connector (Jl), data connector (J2), and the
power connector.
7. Remove the disk drive from the unit.
Fixed Disk Drive
Data/Control Cable
Typel
5.;1700-4 Maintenance Information