Epson Powerspan User Manual page 135

3. Connect P3 of the IDE ribbon cable to the drive in the top
half of the drive bay assembly. Connect P2 of the IDE
ribbon cable to the drive in the lower half of the drive bay
assembly. (If you installed only one drive, connect P3 of the
IDE ribbon cable to the drive.)
Align the tab on the connector with the notch in the drive's
socket. Be sure the red stripe on the IDE ribbon cable faces
the computer's front panel.
red stripe
7-16 Installing and Removing Drives
Disk