- First International Computer Laptop 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:
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
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
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
FIC A360 Service Manual 4-7