[VIA Technologies, Inc.] PC98 COMPLIANT PCI-TO-ISA BRIDGE WITH ACPI, ENHANCED POWER MANAGEMENT, SMBUS, APIC, DISTRIBUTED DMA, SERIAL IRQ, PLUG AND PLAY, ULTRADMA-33/66 MASTER MODE PCI-EIDE CONTROLLER, USB CONTROLLER, KEYBOARD CONTROLLER, AND RTC • Inter-operable with VIA and other Host-to-PCI Bridges − Combine with VT82C598 (Apollo MVP3) for a complete 66 / 75 / 83 / 100MHz Socket-7 PCI / AGP / ISA system − Combine with VT82C693 (Apollo ProPlus) for a complete 66 / 100 MHz Socket-370 or Slot-1 PCI / ISA system − Combine with VT82C693A (Apollo Pro133) for a complete 66 / 100 / 133 MHz Skt-370 or Slot-1 PCI / ISA system • PC98 Compliant PCI to ISA Bridge − Integrated ISA Bus Controller with integrated DMA, timer, and interrupt controller − Integrated Keyboard Controller with PS2 mouse support − Integrated DS12885-style Real Time Clock with extended 256 byte CMOS RAM and Day/Month Alarm for ACPI − Integrated USB Controller with root hub and two function ports − Integrated UltraDMA-33/66 master mode EIDE controller with enhanced PCI bus commands − PCI-2.1 compliant with delay transaction − Eight double-word line buffer between PCI and ISA bus − One-level PCI to ISA post-write buffer − Supports type F DMA transfers − Distributed DMA support for ISA legacy DMA across the PCI bus − Sideband signal support for PC/PCI and serial interrupt for docking and non-docking applications − Serial Interrupt input − Fast reset and Gate A20 operation − Edge trigger or level-sensitive interrupts − Flash EPROM, 2Mb EPROM and combined BIOS support − Supports positive and subtractive decoding • Universal Serial Bus Controller − USB v.1.1 and Intel Universal HCI v.1.1 compatible − Eighteen level (doublewords) data FIFO with full scatter / gather capabilities − Root hub and two function ports − Integrated physical layer transceivers with over-current detection status on USB inputs − Legacy keyboard and PS/2 mouse support • Advanced Programmable Interrupt Controller (APIC) − Integrated on-chip − Control pins provided for support of optional external APIC − Used to extend system interrupt capability − PC98 compliant (Continue ...)
|