Atx 20-Pin Power Connector: Jatxpwr1; Hard Disk Connectors: Ide1/Ide2/Ide3(Optional) - Biostar U8788 User Manual

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/IDE3(Optional)
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 functionality.
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
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
It has two HDD