Connecting ide and floppy drives, Pin 1 – Tyan Computer Trinity ATX Motherboard Tyan S1598 User Manual

Page 22

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5. Connecting IDE and Floppy Drives

The colored stripe on a
ribbon cable should face
toward the keyboard
connector. In Figure 2-9 on
the previous page, you can
see how the IDE cables
should look when they are
connected to your hard
drive. Notice how Pin 1
(denoted by a red stripe) is
connected so that it is next
to the power connector of
the drive. The primary IDE
connector is black; the
secondary IDE connector is
white.

In most cases, this is the
proper way of connecting
your IDE cable to the harddrive. Figure 2-10 shows the IDE cable properly
connected to the motherboard. Contact your hard disk drive manufacturer or
documentation for more information.

ATA-66 IDE hard drives require a special IDE cable which has additional
grounding wires. The cable is sold separately, and is required when using
ATA-66 drives. This cable will also support all legacy IDE drives.

Some symptoms of incorrectly installed HDDs are:

Hard disk drives are not auto-detected: may be a Master / Slave problem

or a bad IDE cable. Contact your vendor.

Hard Disk Drive Fail message at bootup: may be a bad cable or lack of

power going to the drive.

No video or beeps on bootup: usually means the cable is on backwards.

Hard drive lights are constantly on: bad IDE cable or defective drives/
motherboard. Try another HDD.

Hard drives do not power up: check power cables and cabling. May
also be caused by a bad power supply or IDE drive.

Figure 2-10

Pin 1

Chapter 2

Board Installation

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