User`s manual

CZGA LX-50 CyberResearch
®
CPU Cards
24 ©Copyright 2009 CyberResearch, Inc.
Figure 2-12: Super IO Chipset
The Winbond W83697HG is an LPC interface-based Super I/O device that comes with
Environment Controller integration, floppy disk controller, UART controller and IR
controller. Some of the features of the Winbond W83697HG chipset are listed below:
 LPC Spec. 1.01 compliant
 LDRQ# (LPC DMA) and SERIRQ (serial IRQ) supported
 Hardware monitor functions integrated
 Microsoft PC98/PC99 Hardware Design Guide compliant
 ACPI DPM (Device Power Management) supported
Some of the Super I/O features are described in more detail below:
2.6.3.1 Super I/O LPC Interface
The LPC interface on the Super I/O complies with the Intel
®
Low Pin Count Specification
Rev. 1.01. The LPC interface supports both LDRQ# and SERIRQ protocols as well as PCI
PME# interfaces.
2.6.3.2 Super I/O 16C550 UART
The onboard Super I/O has two integrated 16C550 UARTs that can support the following: