LPC47S42x Enhanced Super I/O with LPC Interface for Server Applications is a product that operates at 3.3 volts (5V tolerant) and is designed for server applications. It features two floppy disk controllers, a multi-mode parallel port, two UARTs, an 8042 keyboard controller, an SMBus controller, an X-Bus interface, a programmable wakeup event interface, SMI support, GPIOs (39), fan speed control output, fan tachometer input, ISA IRQ to serial IRQ conversion, XNOR chain, PC99 and ACPI 1.0 compliance, ISA plug-and-play compatible register set, and intelligent auto power management.
