Table of Contents
Advertisement
1 Introduction
486F39X Mainboard Features
The 486F39X is a high performance, function enchanced
computer mainboard that combines the power of 80486 DX/
DX2/DX4 CPU and the VESA VL-bus. The features integrated
onto the 486F39X mainboard are as follows:
Supports the following 3-VOLT or 5-VOLT CPUs:
l
1. Intel 486DX4-100 (486F39X-X4 only)
2. AMD 3-VOLT CPUs (486F39X-X4 only)
3. Pentium'" Over Drive Processor (P24T)
4. 486 SX/DX/DX2, 487SX, 486 Over Drive Processor
Optional 128KB/256KB/512KB external cache.
72-pin DRAM SIMM modules in multiple configurations up
to 64 MB.
Power Saving functions for "SL" and non-"SL" CPUs with a
flexible power management setup.
Compatible with EPA "Energy-Star" specifications and power
management utilities such as Microsoft APM.
3 32-bit VL-Bus slots and 5 16-bit ISA slots.
System and Video BIOS relocateable to RAM area to enhance
performance.
Fast A20 and hidden DRAM refresh to boost system
performance.
Break switch connector for a manual suspend button.
2 on-board connectors to control "green" devices such as a
"green" power supply.
Chapter 1: Introduction
Advertisement
Table of Contents
