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ASUS PSCH-SR motherboard
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5. IDE connectors (40-1 pin PRI_IDE1 [blue], SEC_IDE1 [black)
This connector supports the provided UltraATA100 IDE hard disk
ribbon cable. Connect the cable’s blue connector to the primary
(recommended) or secondary IDE connector, then connect the gray
connector to the UltraATA100 slave device and the black connector to
the UltraATA100 master device. It is recommended that you connect
non-UltraATA100 devices to the secondary IDE connector. If you install
two hard disks, you must configure the second drive as a slave device
by setting its jumper accordingly. Refer to the hard disk documentation
for the jumper settings. BIOS supports specific device bootup. You may
configure two hard disks to be both master devices with two ribbon
cables – one for the primary IDE connector and another for the
secondary IDE connector.
• Pin 20 on each IDE connector is removed to match the covered
hole on the UltraATA cable connector. This prevents incorrect
orientation when you connect the cables.
• The hole near the blue connector on the UltraATA100 cable is
intentional.
• For UltraATA IDE devices, use the 80-conductor IDE cable.
PSCH-SR
®
PSCH-SR IDE Connectors
NOTE: Orient the red markings
(usually zigzag) on the IDE
ribbon cable to PIN 1.
SEC_IDE1
PRI_IDE1
PIN 1
PIN 1