Asus AP2400R-E1 - Manual (Page 110)

Appendix: References A-2
A.1 Power supply
A.1.1 General description
The barebone server comes with one SSI-type 500W redundant power
supply with 115V/230V AC voltage, 50Hz/60Hz frequency.
P1 Motherboard 24-pin ATX power connector
P2 Motherboard 8-pin +12V AUX power connector
P3 Mid-fan board
P4 Reserved
P5 PCI cage riser board
P6 SCSI 1 backplane board
P7 SCSI 2 backplane board
P8 Optical drive/floppy drive board
P9 SCSI 3 backplane board
P1 P9 P3 P5 P4 P7 P8 P6 P2
There are nine (9) power plugs from the power supply unit. Take note of
the devices to which you should connect the plugs.
You may purchase and install a second power supply with the same
specifications.