Server Super I/O with Auto Fan Control Over SensorBus™

Features

  • 3.3 Volt Operation
  • X-Bus Interface
    • LPC Memory Cycle and Firmware Hub Cycle Access
    • Supports a Single ROM Device up to 16MBytes
  • Auto Fan Support
    • LPC Interface and SMBus Backdoor Access to all Registers (Hardware Arbitration)
    • SMSC SensorBus Interface to Sensors
    • Supports up to three T03 sensor devices, up to nine sensors. Each individual sensor may be assigned to any one (or more) of the three autofan control zones.
    • 3 PWM Output Pins
    • 8 Tachometer Inputs
  • Real Time Clock
    • Can be disabled (VBAT Bit)
    • LPC Interface and SMBus Backdoor Access to all Registers (Hardware Arbitration)
  • Power Button Control Logic
  • LED Support
    • Software Control, 1Hz and 4Hz Blink Options (VBAT Bit)
  • Input Pin to Tristate UART Pins
  • LPC Interface
    • Serial IRQ Pin
  • SMBus Slave Interface Backdoor to HWM Registers
    • Default I2C address 5Ch with programmable I2C address
  • SMBus Slave Interface Backdoor to RTC Registers
    • Default I2C address 6Ch with programmable I2C address
  • Floppy Disk Controller
  • Multi-Mode Parallel Port
  • Two Full UARTs
  • 8042 Keyboard Controller
  • Programmable Wakeup Event Interface (nIO_PME Pin)
  • nIO_SMI Pin
  • GPIO Pins (51)
  • Watchdog Timer
  • Security Register
  • ACPI Support Register for Monitoring System Sleep State and SMI Generation
  • Low Battery Warning
  • XNOR Chain
  • PC2001 Compliant
  • ACPI 2.0 Compliant
  • 128-pin QFP Package; Lead-Free RoHS Compliant Package also available.

Although the information in this document has been checked and is believed to be accurate, no responsibility is assumed for inaccuracies. SMSC reserves the right to make changes to product descriptions and specifications at any time without notice. Contact your local SMSC sales office to obtain the latest specifications before placing your product order. The provision of this information does not convey any licenses under any patent rights or other intellectual property rights of SMSC or others. All sales are expressly conditional on your agreement to the terms and conditions of the most recently dated version of SMSC's standard Terms of Sale Agreement dated before the date of your order. Products may contain design defects or errors known as anomalies which may cause a product's functions to deviate from published specifications. Anomaly sheets are available upon request. SMSC products are not designed, intended, authorized or warranted for use in any life support or other application where product failure could cause or contribute to personal injury or severe property damage. Any and all such uses without prior written approval of an Officer of SMSC and further testing and/or modification will be fully at the risk of the customer. Copies of this document or other SMSC literature, as well as the Terms of Sale Agreement, may be obtained by visiting SMSC's website at http://www.smsc.com. SMSC and the SMSC logo are registered trademarks of Standard Microsystems Corporation ("SMSC"). Other names mentioned may be trademarks of their respective holders. All claims made herein speak as of the date of this material. The company does not undertake to update such statements.