PM845GV1/ PM845GE1/ PM845GL/1 PM845GL1-533
16
Floppy Disk Connector: FDC
The mainboard provides a standard floppy disk connector (FDC) that supports 360K,
720K, 1.2M, 1.44M and 2.88M floppy disk types. This connector supports the provided
floppy drive ribbon cables provided.
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, functionality. It has
two HDD connectors, IDE1 (primary) and IDE2 (secondary).
IDE1 (Primary IDE Connector)
You can connect up to two hard drives to IDE1. If you attach two drives, you must use a
ribbon cable with three connectors. You must also configure one drive as the master and
one drive as the slave, using the jumpers located on each drive.
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.
Power Supply Attachments
ATX Power Connector: ATX_PWR & ATX_12V
This mainboard requires two ATX power connections; a 20-pin connector and a 4-pin
connector. Your power supply must have both connectors. Attach the 4-pin connector
first then attach the 20-pin connector. Make sure the connectors are secure before
applying power.
ATX_12V
Pin Assignment Pin Assignment
1
GND
3
+12V
2
GND
4
+12V
ATX_PWR
Pin Assignment Pin Assignment Pin Assignment Pin Assignment
1
+3.3V
6
+5V
11
+3.3V
16
GND
2
+3.3V
7
GND
12
-12V
17
GND
3
GND
8
NC
13
GND
18
-5V
4
+5V
9
5V_SB
14
PS_ON
19
+5V
5
GND
10
+12V
15
GND
20
+5V
