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Chapter 1
Overview
The AP57 is a high-performance Pentium
-based system board that utilizes
the PCI/ISA architecture. It integrates the SiS 5571 PCIset, a super I/O
controller, and a PCI mode 4 enhanced IDE controller with bus master
support to enhance system performance. It has four single in-line memory
module (SIMM) sockets that allow system memory expansion up to a
maximum of 256MB. It also supports 256KB and 512KB pipelined-burst
second-level cache.
One main feature of AP57 is the green power-management function that
extends energy conservation from system components to display monitor. It
complies with the power-saving standards of the U.S. Environmental
Protection Agency (EPA) Energy Star program.
The AP57 board measures 220 mm x 250 mm.
