Product Details

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128 Pin Enhanced Super I/O Controller with an LPC Interface and USB Hub

FEATURES

3.3 Volt Operation (5 Volt Tolerant)
LPC Interface
ACPI 1.0 Compliant
Fan Control
- Fan Speed Control Outputs
- Fan Tachometer Inputs
Programmable Wake-up Event Interface
PC98, PC99 Compliant
Dual Game Port Interface
MPU-401 MIDI Support
General Purpose Input/Output Pins
ISA Plug-and-Play Compatible Register Set
Intelligent Auto Power Management
System Management Interrupt
2.88MB Super I/O Floppy Disk Controller
- Licensed CMOS 765B Floppy Disk Controller
- Software and Register Compatible with SMSC's Proprietary 82077AA Compatible Core
- Supports Two Floppy Drives
- Configurable Open Drain/Push-Pull Output Drivers
- Supports Vertical Recording Format
- 16-Byte Data FIFO
- 100% IBM Compatibility
- Detects All Overrun and Underrun Conditions
- Sophisticated Power Control Circuitry (PCC) Including Multiple Powerdown Modes for Reduced Power Consumption
- DMA Enable Logic
- Data Rate and Drive Control Registers
- 480 Address, Up to Eight IRQ and Four DMA Options
Enhanced Digital Data Separator
- 2 Mbps, 1 Mbps, 500 Kbps, 300 Kbps, 250 Kbps Data Rates
- Programmable Precompensation Modes
Keyboard Controller
- 8042 Software Compatible
- 8 Bit Microcomputer
- 2k Bytes of Program ROM
- 256 Bytes of Data RAM
- Four Open Drain Outputs Dedicated for Keyboard/Mouse Interface
- Asynchronous Access to Two Data Registers and One Status Register
- Supports Interrupt and Polling Access
- 8 Bit Counter Timer
- Port 92 Support
- Fast Gate A20 and KRESET Outputs
Serial Ports
- Two Full Function Serial Ports
- High Speed NS16C550ACompatible UARTs with Send/Receive 16-Byte FIFOs
- Supports 230k and 460k Baud Programmable Baud Rate Generator Modem Control Circuitry
- 480 Address and 15 IRQ Options
Infrared Port
- Multiprotocol Infrared Interface
- IrDA 1.0 Compliant
- SHARP ASK IR
- 480 Addresses, Up to 15 IRQ
Multi-Mode Parallel Port with ChiProtect
- Standard Mode IBM PC/XT, PC/AT, and PS/2 Compatible Bi-directional Parallel Port
- Enhanced Parallel Port(EPP) Compatible - EPP 1.7 and EPP 1.9 (IEEE 1284 Compliant)
- IEEE 1284 Compliant Enhanced Capabilities Port (ECP)
- ChiProtect Circuitry for Protection
- 960Address, Up to 15 IRQ and Four DMA Options
USB Hub
- 1 Upstream and up to 4 Downstream Ports
- Compliant with USB Spec. version 1.1
- Programmable USB Manufacturer ID, Product ID and Device Rev. Number
- Number of active ports programmable or selectable via jumpers
- Powered by Vtr for Downstream Port Wakeup
LPC Interface
- Multiplexed Command, Address and Data Bus
- Serial IRQ Interface Compatible with Serialized IRQ Support for PCI Systems
- PME Interface
Interrupt Generating Registers
- Registers Generate IRQ1– 15 on Serial IRQ Interface