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The SIO1007 is a 3.3V PC 99 and ACPI 1.0 compliant Super I/O Controller. It implements the LPC interface with the LPC PortSwitchTM Interface. The LPC PortSwitchTM interface is a hot-switchable external Docking LPC interface with trusted cycle block.
This device also features a full 16-bit internally decoded address bus, a Serial IRQ interface with PCI nCLKRUN support, relocatable configuration ports and three DMA channel options. Two UARTs provided, one of which can support a Serial Infrared Interface that complies with IrDA v1.2 (Fast IR), HPSIR, and ASKIR formats (used by Sharp and other PDAs), as well as Consumer IR.
Sophisticated power control circuitry (PCC), which supports multiple low power down modes, is included. The I/O Address, DMA Channel and Hardware IRQ of each device in the SIO1007 may be reprogrammed through the internal configuration registers.
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