VT82C686B

Manufacturer Part NumberVT82C686B
ManufacturerETC-unknow
VT82C686B datasheet
 


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Page 8/128:

Integrated Super IO Controller

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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
Increased reliability using UltraDMA-66 transfer protocols
Increased performance using UltraDMA-100 mode 5
Thirty-two levels (doublewords) of prefetch and write buffers
Dual DMA engine for concurrent dual channel operation
Bus master programming interface for SFF-8038I rev.1.0 and Windows-95 compliant
Full scatter gather capability
Support ATAPI compliant devices including DVD devices
Support PCI 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
Programmable character lengths (5,6,7,8)
Even, odd, stick or no parity bit generation and detection
Programmable baud rate generator
High speed baud rate (230Kbps, 460Kbps) support
Independent transmit/receiver FIFOs
Modem Control
Plug and play with 96 base IO address and 12 IRQ options
Infrared-IrDA (HPSIR) and ASK (Amplitude Shift Keyed) IR port multiplexed on COM2
Multi-mode parallel port
Standard mode, ECP and EPP support
Plug and play with 192 base IO address, 12 IRQ and 4 DMA options
Floppy Disk Controller
16 bytes of FIFO
Data rates up to 1Mbps
Perpendicular recording driver support
Two FDDs with drive swap support
Plug and play with 48 base IO address, 12 IRQ and 4 DMA options
SoundBlaster Pro Hardware and Direct Sound Ready AC97 Digital Audio Controller
Dual full-duplex Direct Sound channels between system memory and AC97 link
PCI master interface with scatter / gather and bursting capability
32 byte FIFO of each direct sound channel
Host based sample rate converter and mixer
Standard v1.0 or v2.0 AC97 Codec interface for single or cascaded AC97 Codec’s from multiple vendors
Loopback capability for re-directing mixed audio streams into USB and 1394 speakers
Hardware SoundBlaster Pro for Windows DOS box and real-mode DOS legacy compatibility
Plug and play with 4 IRQ, 4 DMA, and 4 I/O space options for SoundBlaster Pro and MIDI hardware
Hardware assisted FM synthesis for legacy compatibility
Direct two game ports and one MIDI port interface
Complete software driver support for Windows-95/98/2000 and Windows-NT
Voltage, Temperature, Fan Speed Monitor and Controller
Five positive voltage (one internal), three temperature (one internal) and two fan-speed monitoring
Programmable control, status, monitor and alarm for flexible desktop management
External thermister or internal bandgap temperature sensing
Automatic clock throttling with integrated temperature sensing
Internal core VCC voltage sensing
Flexible external voltage sensing arrangement (any positive supply and battery)
Revision 1.71 June 9, 2000
-2-
VT82C686B
Features