N - Intel Logic Controller
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Intel Logic Controller The Intel ICH Logic controller is responsible for the following:

  • PCI Bus interface
    • Supports PCI bus at 33-megahertz (MHz)
    • Supports PCI Specification Rev 2.2
    • Supports up to six Master Devices on PCI bus
  • Integrated IDE Controller
    • Supports Ultra DMA 33/66
    • Supports PIO Mode 4 Transfers
    • Separate IDE Connections for Primary and Secondary controllers
    • Independent timing of up to four drives
  • Universal Serial Bus
    • UHCI Implementation with four ports
    • Supports Wake from sleep states S1, S3, and S4.
    • Supports legacy Keyboard/Mouse software
  • AC'97 Link for Audio and Modem CODECs
    • AC'97 2.1 Compliant
    • Separate independent PCI functions for Audio and Modem
    • Supports wake-up events
  • Power Management
    • Support for APM-Based legacy power management
    • ACPI 1.0b Compliant
  • Low Pin Count (LPC) bus
    • Allows connection of legacy ISA and X-Bus devices
    • Supports two master DMA devices
  • Real-Time clock
    • 256-byte battery backed CMOS RAM
    • Hardware implementation to indicate century rollover
    • SM Bus Host interface allows CPU to communicate with clock