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4-6 Chapter 4: Motherboard info
2. IDE connectors (40-1 pin PRI_IDE)
The onboard IDE connectors are for Ultra DMA 100/66/33 signal
cables. There are three connectors on each Ultra DMA 100/66/33
signal cable: blue, black, and gray. Connect the blue connector to
the motherboard’s IDE connector, then select one of the following
modes to congure your device(s).
Black or gray
Drive jumper Mode Cable
setting of device(s) connector
Single device Cable-Select or Master - Black
Two devices Cable-Select Master Black
Slave Gray
Master Master
Slave Slave
R
IDE Connector
PRI_IDE
M2A-VM
• 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 100/66/33 IDE
devices.
If any device jumper is set as “Cable-Select,” make sure all other device
jumpers have the same setting.