IEI Integration IMBA-9454 v1.00 - Manual (Page 39)

IMBA-9454 Motherboard
Page 21
PXE (Pre-boot Execution Environment) support
USB booting support
2.8.3 Super I/O chipset
The iTE IT8712F Super I/O chipset is connected to the ICH6 southbridge through the LPC
bus. The iTE IT8712F is an LPC interface-based Super I/O device that comes with
Environment Controller integration. Some of the features of the iTE IT8712F chipset are
listed below:
LPC Interface
PC98/99/2001, ACPI and LANDesk Compliant
Enhanced Hardware Monitor
Fan Speed Controller
SmartGuardian Controller
Single +5V Power Supply
Two 16C550 UARTs for serial port control
One IEEE 1284 Parallel Port
Floppy Disk Controller
Keyboard Controller
Watchdog Timer
Serial IRQ Support
Vbat & Vcch Support
Single +5V Power Supply
Some of the Super I/O features are described in more detail below:
2.8.3.1 Super I/O LPC Interface
The LPC interface on the Super I/O complies with the Intel
®
Low Pin Count Specification
Rev. 1.0. The LPC interface supports both LDRQ# and SERIRQ protocols as well as PCI
PME# interfaces.
2.8.3.2 Super I/O 16C550 UARTs
The onboard Super I/O has two integrated 16C550 UARTs that can support the following: