VIA Technologies VT82C691 Technical Reference Booklet page 4

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4
Support Bus Master IDE, PIO mode 4 (up to 16.6M bytes/sec) and Ultra
DMA33 (up to 33M bytes/sec) transfer.
One ECP/EPP parallel port.
Two 16550 Compatible UART serial ports.
One floppy port, supports two FDDs of 360KB, 720KB, 1.2MB , 1.44MB
and 2.88MB capacity.
Two USB port.
One PS/2 Type keyboard ports.
One PS/2 mouse port.
Infrared (IrDA) is supported via a header.
One Line/speaker out, one Mic in, one line in and MIDI/Gameport
(Optional).
System BIOS
2M Flash BIOS supporting PnP, APM, ATAPI, ACPI and DMI.
1M Flash BIOS with feature cut (e.g. ACPI /DMI ) is available upon
customer request.
Jumper selection for 5V or 12V Flash memory voltage.
Auto detects and supports LBA harddisks with capacities over 8.4GB.
Easily upgrade BIOS by end-user.
Plug-and-Play
Supports plug-and-play specification 1.1.
Plug-and-play for DOS, Windows® 3.X, Windows® 95 as well as
Windows® 98.
Fully steerable PCI interrupts.
Power Management
Supports SMM, APM, ACPI and Energy star " Green PC " compliant.
Break switch for instant suspend/resume on system operations.
Hardware monitoring is supported, provides voltage, temperature, fan
speed, etc. monitoring (optional).
External Modem Ring-in Wake-up support.
Supports WAKE-ON-LAN (WOL).
On board Sound Sub-system (optional)
Creative Vibra 16XV sound chip is used.
Sound Blaster 16 compatible.
Full-Duplex 16-bit record & playback.
Roland MPU401 UART mode compatible.
Integrated CQM and FM synthesizer.
PnP and APM 1.2 Support.
Expansion Slots
1 AGP slot (ver. 1.0 compliant, 1x/2x mode supported).
3 PCI bus master slots (ver. 2.1 compliant, with 1 PCI slot sharing with
1 ISA slot).
1 ISA slot (1 ISA slot sharing with 1 PCI slot).
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