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Chapter 1
4-2. ATX 20-pin Power Connector:
JATXPWR1
PIN
Assignment
1
2
3
4
5
6
7
8
9
10
4-3. Hard Disk Connectors: IDE1/IDE2
This mainboard 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, and Ultra DMA / 133 functionality. It
has two HDD connectors IDE1 (primary) and IDE2 (secondary).
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
3.3V
11
3.3V
12
Ground
13
5V
14
Ground
15
5V
16
Ground
17
PW_OK
18
5V_SB
19
12V
20
1-15
Motherboard Description
Assignment
3.3V
-12V
Ground
PS_ON
Ground
Ground
Ground
-5V
5V
5V
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