IEI Integration NANO-9452 v4.02 - Manual (Page 38)

NANO-9452 EPIC Motherboard
Page 20
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2.8.3 Super I/O chipset
The iTE IT8712F Super I/O chipset is connected to the ICH7M 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:
 Two standard serial ports (COM1 and COM2)