IMBA-8650 Motherboard
Page 32
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 on-board Super I/O has two integrated 16C550 UARTs that can support the following:
Two standard serial ports
IrDA 1.0 and ASKIR protocols
SPP, BPP, EPP and ECP compatible parallel port
48 programmable general purpose I/O ports
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