Connecting the floppy drive

1.Plug the 34-pin flat-cable connector into CN10. Make sure that the red wire corresponds to pin one on the connector.

2.Attach the appropriate connector on the other end of the cable to the floppy drive(s). You can use only one connector in the set. The set on the end (after the twist in the cable) connects to the A: drive. The set in the middle connects to the B: drive.

3.If you are connecting a 5¼” floppy drive, line up the slot in the printed circuit board with the blocked-off part of the cable connector.

If you are connecting a 3½” floppy drive, you may have trouble determining which pin is pin number one. Look for a number printed on the circuit board indicating pin number one. In addition, the connector on the floppy drive connector may have a slot. When the slot is up, pin number one should be on the right. Check the documentation that came with the drive for more information.

If you desire, connect the B: drive to the connectors in the middle of the cable as described above.

If you need to make your own cable, you can find the pin assign- ments for the board’s connector in Appendix B.

Chapter 2 Installation Guide 23

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Adaptec SBC-596, SBC-599 manual Connecting the floppy drive