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Chapter 1
1.6.2 ATX 20-pin Power Connector: JATXPWR1
This connector supports the power button on-board.
supply, function such as Soft Power Off is supported on this motherboard. This
power connector supports instant power-on functionality, which means that the
system will boot up instantly when the power connector is inserted on the board.
PIN
Assignment
1
2
3
4
5
6
7
8
9
10
1.6.3 Hard Disk Connectors: IDE1/IDE2
The motherboard has a 32-bit Enhanced PCI IDE Controller that provides PIO
Mode 0~4, Bus Master, and Ultra DMA / 33, Ultra DMA / 66,Ultra DMA / 100
functionality. It has two HDD connectors IDE1 (primary) and IDE2 (secondary).
You can connect up to four hard disk drives, a CD-ROM, a 120MB Floppy
(reserved for future BIOS) and other devices to IDE1 and IDE2.
connectors support the IDE hard disk cable provided.
IDE1 (Primary IDE Connector)
The first hard drive should always be connected to IDE1. IDE1 can connect a
Master and a Slave drive. You must configure the second hard drive on IDE1 to
Slave mode by setting the jumper accordingly.
IDE2 (Secondary IDE Connector)
The IDE2 controller can also support a Master and a Slave drive. The configuration
is similar to IDE1. The second drive on this controller must be set to slave mode.
PIN
11
3.3V
12
3.3V
Ground
13
5V
14
Ground
15
16
5V
17
Ground
PW_OK
18
5V_SB
19
20
12V
1-20
Motherboard Description
Using the ATX power
Assignment
3.3V
-12V
Ground
PS_ON
Ground
Ground
Ground
-5V
5V
5V
These
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