P4S55FX User Manual
This manual covers the ASRock P4S55FX+ and P4S55FX ATX motherboards, detailing their specifications, layout diagrams, and the ASRock I/O Plus™ connectors. It also lists the package contents and gives an overview of the supported CPUs, memory types, and peripheral interfaces.
The guide walks users through hardware installation, jumper settings, BIOS configuration, and software support, including the support CD utilities. Advanced BIOS options, security passwords, power management, and boot settings are described for both novice and experienced users.
| Platform | ATX |
|---|---|
| Form Factor Dimensions | 12.0‑in x 8.6‑in (30.5 cm x 21.8 cm) |
| CPU Socket | Socket 478 |
| North Bridge Chipset | SiS 655FX |
| South Bridge (P4S55FX+) | SiS 964 |
| Memory Slots | 4 DDR DIMM slots |
| Maximum Memory | 3.5 GB (Dual‑Channel) |
| SATA Support (P4S55FX+) | 2 SATA connectors, 1.5 Gb/s |
| USB 2.0 Ports | 8 ports (6 rear, 2 via header) |
The board includes eight USB 2.0 ports – six on the rear panel and a header that supports two additional ports.
Both motherboards use a Socket 478 CPU socket.
The maximum supported memory is 3.5 GB in dual‑channel configuration.
Yes, the P4S55FX+ version provides two SATA connectors with a 1.5 Gb/s transfer rate.