Pin atx power (atxpower), Pin atx 12v power (atx_cpu), Connecting serial ata cables – EVGA P55 Micro V User Manual
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24-pin ATX Power (ATXPOWER)
ATXPOWER is the main power supply connector located along the edge of the board next to the DIMM
slots. Make sure that the power supply cable and pins are properly aligned with the connector on the
motherboard. Firmly plug the power supply cable into the connector and make sure it is secure.
Connector
Pin
Signal
Pin
Signal
1
+3.3V
13
+3.3V
2
+3.3V
14
-12V
3
GND
15
GND
4
+5V
16
PS_ON
5
GND
17
GND
6
+5V
18
GND
7
GND
19
GND
8
PWROK
20
RSVD
9
+5V_AUX
21
+5V
10
+12V
22
+5V
11
+12V
23
+5V
12
+3.3V
24
GND
4-pin ATX 12V Power (ATX_CPU)
ATX_CPU the 4-pin or 8-pin ATX 12V power connection, is used to provide power to the CPU.
Align the pins to the connector and press firmly until seated. If using an 8-pin connector,
4 of the pins will overhang the connector.
Connecting Serial ATA Cables
The Serial ATA II connector is used to connect the Serial ATA II device to the motherboard. These
connectors support the thin Serial ATA II cables for primary storage devices. The current Serial ATA II
interface allows up to 300MB/s data transfer rate.
There are six (5) internal serial ATA connectors on this motherboard. These connections are designed to be
angled to not interfere with any expansions cards. These connection points support RAID 0, RAID 1, RAID5
and RAID 10 configurations.
Power Connector
Plug power cable from system
power supply to ATXPOWER
1
12
13
24