Chapter 1
Motherboard Description
1-5
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Thermal alarm on either external or any combination of two internal
temperature sensing circuits.
−
I/O pad leakage control.
Universal Serial Bus
−
USB v.1.1 and Intel Universal HCI v.1.1 compatible.
−
Eighteen level (doublewords) data FIFO with full scatter and gather
capability.
−
Root hub and four function ports.
−
Intrgrated physical layer transceivers with optional over-current
detection status on USB inputs.
−
Keyboard and mouse support.
Platform
−
ATX Form Factor.
Dimension
−
19.1 cm X 30.6 cm (W x L).
Full Featured Accerated Graphics Port (AGP) Controller
−
Synchronous and pseudo-synchronous with the CPU bus with optimal
skew control.
−
AGP v2.0 compliant.
−
Supports SideBand Addressing (SBA) mode (non-multiplexed address
/ data).
−
Supports 266 MHZ 4x mode for AD and SBA signaling.
−
Pipelined split-transaction long-burst transfers up to 1GB /sec.
−
Eight level read request queue.
−
Four level posted-write request queue.
−
Thirty-two level (quadworks) read data FIFO (256 bytes).
−
Sixteen level (quadworks) write data FIFO (128 bytes).
−
Intelligent request reordering for maximum AGP bus utilization.
−
Suppots Flush/Fence commands.
−
Graphics Address Relocation Table (GART).
(1)One level TLB structure.
(2)Sixteen entry fully associative page table.
