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A.1 general description – Asus Pentium 4 1U Rackmount Server AP160R-S User Manual

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Appendix A: Power Supply

A.1

General Description

The server comes with an SSI-type 284W ATX power supply with universal
AC input that includes PFC and ATX-compliant output cables and connectors.
The power supply has two internal cooling fans.

The power supply has three plugs labeled P1, P2, and P3. The picture below
shows the specific device assignments for the plugs.

24-pin SSI-type
ATX power (P1)

6-pin PSU SMBus power (P2)

8-pin plug for backplane power (P3)