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SUPER P6DLS/P6DLE/P6SLS/P6SLA User’s Manual
2-7 Connecting Parallel, Floppy and Hard Disk
Drives
Use the following information to connect the floppy and hard disk
drive cables.
• The floppy disk drive cable has seven twisted wires.
• A red mark on a wire typically designates the location of pin 1.
• A single floppy disk drive ribbon cable has 34 wires and two
connectors to provide for two floppy disk drives. The connector
with twisted wires always connects to drive A, and the connector
that does not have the twisted wires always connects to drive B.
• An IDE hard disk drive requires a data ribbon cable with 40 wires,
and a SCSI hard disk drive requires a SCSI ribbon cable with 50
wires. A wide SCSI hard disk drive requires a SCSI ribbon cable
with 68 wires.
• A single IDE hard disk drive cable has two connectors to provide
for two drives. To select an IDE disk drive as C, you would nor-
mally set the drive select jumper on the drive to DS1. To select
an IDE disk drive as D, you would normally set the drive select
jumper on the drive to DS2. Consult the documentation that
came with your disk drive for details on actual jumper locations
and settings.
• A single SCSI ribbon cable typically has three connectors to pro-
vide for two hard disk drives and the SCSI adapter. (Note: most
SCSI hard drives are single-ended SCSI devices.) The SCSI ID
is determined by jumpers or a switch on the SCSI device. The
last internal (and external) SCSI device cabled to the SCSI
adapter must be terminated.
• Some drives require a special controller card. Read your disk
drive manual for details.