This manual explains how to use and upgrade the ASUS P/I-P55SP3AV motherboard. It is organized into four chapters: Feature Guide, Upgrade Guide, Software Guide, and Technical Summary, covering board features, installation steps, BIOS utilities, and detailed technical settings.
The document also lists the bundled software, hardware specifications such as supported CPUs, memory types, expansion slots, and on‑board audio/video chips, and provides safety precautions for handling static electricity.
| Supported CPUs | 75‑166 MHz P54C/CS/CQS Pentium CPUs (Socket 7) |
|---|---|
| Chipset | SIS 551X |
| Memory Type and Capacity | 72‑pin SIMM DRAM modules, 1 MB‑128 MB per module, up to 512 MB total |
| Audio Chip | ESS 1788 AudioDrive (16‑bit) |
| Expansion Slots | Four 16‑bit ISA slots, three 32‑bit PCI slots (one shared PCI/ISA) |
| Serial Ports | Two 16550‑compatible UARTs (one can be used for IrDA) |
It provides four 16‑bit ISA slots and three 32‑bit PCI slots, with one slot shared between PCI and ISA.
The board supports Pentium CPUs ranging from 75 MHz to 166 MHz (P54C/CS/CQS) in a ZIF Socket 7.
Use the included PFlash Flash Memory Writer utility to write a new BIOS file to the flash memory.
It uses an ESS 1788 AudioDrive chip that provides 16‑bit audio capabilities.