Atx 20-Pin Power Connector: Jatxpwr1; Hard Disk Connectors: Ide1/Ide2 - Biostar M7VIG User Manual

Chapter 1

1.6.2 ATX 20-pin Power Connector: JATXPWR1

This connector supports the power button on-board.
supply functions, such as Modem Ring Wake-Up and Soft Power Off are 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. Its 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
1-22
Motherboard Description
Using the ATX power
Assignment
3.3V
-12V
Ground
PS_ON
Ground
Ground
Ground
-5V
+5V
+5V
These