24-Pin Atx Power (Atxpower); Power Connector; 4-Pin Atx 12V Power (Atx_Cpu); Connecting Serial Ata Cables - EVGA P55 Manual Del Usuario

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
1
13

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.
Pin Signal
1 +3.3V
12
2 +3.3V
3 GND
4 +5V
5 GND
6 +5V
7 GND
24
8 PWROK
9 +5V_AUX
10 +12V
11 +12V
12 +3.3V
6

Power Connector

Plug power cable from system
power supply to ATXPOWER
Pin Signal
13 +3.3V
14 -12V
15 GND
16 PS_ON
17 GND
18 GND
19 GND
20 RSVD
21 +5V
22 +5V
23 +5V
24 GND