FIC A360 User Manual
Hardware Functional Overview
4.5.2 VT82C686B
Features
The VT82C686B PSIPC (PCI Super-I/O Integrated Peripheral Controller) is a high-
integration, high performance, power-efficient, and high compatibility device that supports
Intel and non-Intel based processor to PCI bus bridge functionality to make a complete
Microsoft PC99-compliant PCI/ISA system.
The VT82C686B functions and capabilities include:
integration, high performance, power-efficient, and high compatibility device that supports
Intel and non-Intel based processor to PCI bus bridge functionality to make a complete
Microsoft PC99-compliant PCI/ISA system.
The VT82C686B functions and capabilities include:
Inter-operable with VIA and other Host-to-PCI Bridges
• Combine with TWISTER for a complete 66 / 100 / 133 MHz Socket 370 or Slot-1 system
with integrated 2D / 3D graphics ( S3 Savage 4)
• Inter-operable with Intel or other Host-to-PCI bridges for a complete PC99 compliant PCI
/ AGP / ISA system
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 four function ports
• Integrated UltraDMA-33/66 master mode EIDE controller with enhanced PCI bus
commands
• PCI-2.2 compliant with delay transaction and remote power management
• Distributed DMA support for ISA legacy DMA across the PCI bus
• Fast reset and Gate A20 operation
• Flash EPROM, 4Mb EPROM and combined BIOS support
• Supports positive and subtractive decoding
UltraDMA-33 / 66 / 100 Master Mode PCI EIDE Controller
• Supports positive and subtractive decoding
UltraDMA-33 / 66 / 100 Master Mode PCI EIDE Controller
• Dual channel master mode PCI supporting four Enhanced IDE devices
• Transfer rate up to 33MB/sec to cover PIO mode 4, multi-word DMA mode 2 drives, and
UltraDMA-33 interface
• Support ATAPI compliant devices including DVD devices
• Support PC native and ATA compatibility modes
• Complete software driver support
Integrated Super IO Controller
Integrated Super IO Controller
• Supports 2 serial ports, IR port, parallel port, and floppy disk controller functions
• Two UARTs for Complete Serial Ports
• Infrared-IrDA (HPSIR) and ASK (Amplitude Shift Keyed) IR port multiplexed on COM2
• Multi-mode parallel port
• Floppy Disk Controller
SoundBlaster Pro Hardware and Direct Sound Ready AC97 Digital Audio Controller
• Dual full-duplex Direct Sound channels between system memory and AC97 link
• Floppy Disk Controller
SoundBlaster Pro Hardware and Direct Sound Ready AC97 Digital Audio Controller
• Dual full-duplex Direct Sound channels between system memory and AC97 link
FIC A360 Service Manual
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