AP440FX Motherboard Technical Product Specification
The Intel AP440FX motherboard specification details a 64‑bit LPX‑form factor board that supports Pentium Pro processors (150‑200 MHz) and up to 128 MB of DRAM via four 72‑pin SIMM sockets. It describes the integrated 82440FX chipset, PIIX3 IDE controller, Super I/O, audio codec, and S3 ViRGE/DX graphics.
The document also provides BIOS and setup utility information, power consumption data, environmental limits, and extensive error‑message tables for BIOS beeps, PCI configuration, and ISA NMI messages, helping technicians troubleshoot and configure the board.
| Form factor | 9‑inch by 13‑inch LPX |
|---|---|
| Supported processors | Pentium Pro 150 MHz – 200 MHz |
| Maximum memory | 128 MB via four 72‑pin SIMM sockets |
| Core voltage specifications | +3.3 V ±5 %, +5 V ±5 %, -5 V ±5 %, +12 V ±5 %, -12 V ±5 % |
It uses a 9‑inch by 13‑inch LPX form factor.
It supports Pentium Pro processors with clock speeds from 150 MHz to 200 MHz.
Up to 128 MB of DRAM can be installed using four 72‑pin SIMM sockets.
One beep signals a memory refresh failure.