Asus Motherboard M3A78-EM User Manual page 42

3.. IDE.connector.(40-1.pin.PRI_IDE)
The onboard IDE connector is for an Ultra DMA 133/100/66 signal cable.
There are three connectors on each Ultra DMA 133/100/66 signal cable:
blue, black, and gray. Connect the blue connector to the motherboard's IDE
connector, then select one of the following modes to configure your device(s).
Single device
Two devices
•
•
If any device jumper is set as "Cable-Select," make sure all other device
jumpers have the same setting.
M3A78-EM
1-30
Drive.jumper.setting
Cable-Select or Master
Cable-Select
Master
Slave
Pin 20 on the IDE connector is removed to match the covered hole on the
Ultra DMA cable connector. This prevents incorrect insertion when you
connect the IDE cable.
Use the 80-conductor IDE cable for Ultra DMA 133/100/66 IDE devices.
R
M3A78-EM
IDE Connector
Mode.of.
Cable.connector
device(s)
-
Master
Slave
Master
Black or gray
Slave
Chapter 1: Product introduction
Black
Black
Gray