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ST5660A Installation Guide, Rev. B
Two-drive system with standard ATA 40-pin interface cable:
If you are using a standard 40-pin two-drive ribbon cable, plug
one connector into J1 on each drive and attach the remaining
connector to the host adapter. Align pin 1 on connectors as
described above for a one-drive system.
Two-drive system using cable select:
Use of this method requires drives supporting the cable select
option and also requires a special daisy-chain interface cable
built for cable-select; this cable is not the same as a standard
40 pin hard drive cable. To make a drive the master, attach it
to the connector that has the CSEL signal line connected to
pin 28. To make a drive the slave, attach it to the connector
that has pin 28 unconnected. Finally, connect the cable to the
host adapter. Note that CSEL is grounded on the host adapter.
Mounting the drive
Mount the drive securely in the computer, following recommended
mounting orientations as shown in Figure 3 on page 8. When you
position the drive, avoid crimping or stretching the drive cables.
Caution. To prevent drive mounting hole damage, use only 6-32
UNC-2A mounting screws. Tighten them gently using
less than 6 inch-pounds of torque.
Bottom hole mounting method. Insert screws in all of the four
bottom mounting holes as shown in Figure 3. Do not drive the
screws more than 0.20 inches (6 turns) into the drive frame.
Side hole mounting method. Insert screws in four of the six
available side mounting holes as shown in Figure 3. Use two
mounting holes on each side. Do not drive the screws more than
0.20 inches (6 turns) into the drive frame.
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