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Understanding IDE/ATAPI Connections
What
is IDE?
IDE (Integrated Drive
Electronics) is the built-in system a PC computer uses
to connect drives to the computer. You may have also
heard it called ATA
(Advanced Technology Attachment)-they mean the same
thing.
How
IDE Works
There are usually two places on the motherboard for the IDE cables to connect. These are the primary and secondary IDE channel connections.
The hard drive usually uses the primary connection. The IDE channel connections are usually located next to each other either end-to-end or one above the other.
They are also generally labeled on the motherboard as "pri IDE" and "sec IDE" or something similar.
If you are unsure of where the IDE channels for your computer are located, refer to your computer's documentation or local computer retailer.
These channels can support a maximum of two drives each.
If there are two drives connected to the IDE interface cable, one drive must be configured as a master and the other as a slave.
If only one drive is attached to the cable, it is configured as a master.
What
is ATAPI?
IDE (ATA) was originally designed for hard disks only,
not removable devices such as ZipCD™ drives, CD-ROMs,
and tape drives. ATAPI,
which stands for Advanced Technology Attachment Packet
Interface, is designed to bridge this gap and support
removable drives. ATAPI devices use your IDE channel
to communicate with your computer.
Jumper
Settings
The jumper is the small plastic piece
that surrounds
the two pins and can be removed and placed in different locations as needed. There are different jumper configurations that can be used with ATAPI devices such as your ZipCD™ drive. There are also jumpers located on the back of your CD-ROM and hard drive. If you need to change the settings on your CD-ROM, refer to the table on the CD-ROM or in its documentation. This diagram shows the possibilities for the ZipCD™ internal drive.
(Illustration may not match your drive exactly.)
Slave (Drive 1)
Use this setting if you're connecting the ZipCD™
internal drive on the same cable as your CD-ROM or hard
drive.
Master (Drive 0)
Use this setting if you're connecting the ZipCD™
internal drive as the only device on the secondary IDE
channel or when installing to an IDE add-on card. Use
the jumper provided when configuring the drive to the
"Master" setting.
Cable Select
Use this jumper setting
if your computer features "Cable Select." On a Cable
Select system, the master/slave configuration is
automatically determined by the system and all devices
will be set on cable select. To determine if your
computer uses cable select, look at the jumper setting
of any device on the same IDE channel as your ZipCD™
drive or contact the computer manufacturer. Use the
jumper provided when configuring the drive to the "Cable
Select" setting.
Possible
System IDE/ATAPI Configurations
Your computer may be configured in one of the following ways. If you need to change the jumper settings for your CD-ROM, check its documentation to see how to configure it as master or slave as needed.
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