The P55VPX mainboard is a high performance system hardware based on Intel Pentium processor and is equipped with four PCI slots, four standard ISA slots, Super Multi-I/O controller and dual port PCI-IDE connectors for the future expansion.
This manual describes the VIA P55VPX mainboard, a high‑performance system board based on Intel Pentium and compatible processors. It details the board dimensions, chipset, supported CPUs, memory options, and expansion slots.
The document includes hardware design diagrams, connector and jumper descriptions, memory and cache configuration tables, and wiring information for USB, floppy, and IDE interfaces, helping users install and configure the board correctly.
| Supported CPUs | Intel Pentium, Pentium with MMX, AMD K5/K6, Cyrix 6x86/6x86L/6x86MX |
|---|---|
| Maximum System Memory | 256 MB |
| L2 Cache | 512 KB (Pipelined Burst SRAM) |
| Expansion Slots | 4 × PCI, 4 × ISA |
| Board Dimensions | 220 mm × 270 mm |
The board supports Intel Pentium, Pentium with MMX, AMD K5/K6, and Cyrix 6x86/6x86L/6x86MX processors.
Up to 256 MB of DRAM can be installed using two 72‑pin SIMM slots and two 168‑pin DIMM slots.
The mainboard includes four 32‑bit PCI slots and four 16‑bit ISA slots.
Yes, it includes a 512 KB pipelined burst SRAM L2 cache.