DFI WB72-SC User Manual page 6

Rev. a+ system board
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Expansion Slots
The system board is equipped with 1 AGP slot, 4
dedicated PCI slots and 1 shared PCI/CNR slot.
The AGP slot only supports 1.5V AGP 4x (1066MB/sec.
bandwidth) add-in cards. AGP is an interface designed
to support high performance 3D graphics cards for 3D
graphics applications. It handles large amounts of
graphics data with the following features:
• Pipelined memory read and write operations that hide
memory access latency.
• Demultiplexing of address and data on the bus for
nearly 100 percent efficiency.
CNR (Communication and Networking Riser) is an
interface that
analog modem, phone-line based networking or 10/100
Ethernet based networking riser board.
Onboard Audio Features
• 18-bit stereo full-duplex codec with independent
variable sampling rate
• High quality differential CD input
• True stereo line level outputs
Compatibility
Microsoft PC '98 compliant
PCI 2.2, CNR 1.0 "A" type and AC '97 compliant
Intel AGP version 2.0
ATX Double Deck Ports (PC 99 color-coded connectors)
Two USB ports
Two NS16C550A-compatible DB-9 serial ports
One SPP/ECP/EPP DB-25 parallel port
One mini-DIN-6 PS/2 mouse port
One mini-DIN-6 PS/2 keyboard port
One game/MIDI port
Three audio jacks: line-out, line-in and mic-in
supports multi-channel audio, V.90
Introduction
1
7

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