Atx Power Connectors; Connecting Ide And Floppy Cables - AOpen DXPN-U Easy Installation Manual

3. Install DIMM Modules
This motherboard has four 184-pin DIMM sockets that allow you to install DDR200/266
un-buffer, ECC memory up to 4GB. Please refer to the instruction of DIMM installation
shown below.
DIMM1
Config1 V
Config2 N/A
Config3 V
Notes:
1. 256MB, 512MB, 1GB ECC un-buffer DIMM alternative
2. Config1: It is for RAM installation.
3. Config2: Both DIMMs need to be with the same manufacture and capacity.
4. Config3: Each group or these two groups needs the same manufacture and
capacity.
5. Single bank shall be put in DIMM1/2. Double bank shall be put in DIMM3/4
while installing them together.
DIMM2 DIMM3 DIMM4
V N/A N/A
N/A V V
V V V
This motherboard comes with a 24-pin and 8-pin ATX power connector. Make sure you plug
in the right direction. We strongly recommend you to connect the 8-pin 12V ATX connector
before connecting the 24-pin ATX power connector
DIMM 1
DIMM 2
DIMM 3
DIMM 4

5. Connecting IDE and Floppy Cables

Connect 34-pin floppy cable and 40-pin IDE cable to floppy connector FDC and IDE
connector. Pin1 of cable is normally marked with red color.
Primary IDE
Channel
FDD
Connector

4. ATX Power Connectors

GND
GND
GND
GND
+3.3V
+12V
+12V
+5Vsb
PWR_OK
Ground
Ground
Ground
+3.3V
+3.3V
Secondary IDE
Channel
+12V
+12V
+12V
+12V
2 1
Ground
+5V
+5V
+5V
NC
Ground
+5V
Ground
Ground
+5V
PS_ON
Ground
12V
+3.3V