AMD-762 Advanced Micro Devices, AMD-762 Datasheet - Page 16

• Manufacturer Part Number: AMD-762
• Description: System Controller
• Manufacturer: Advanced Micro Devices

AMD-762™ System Controller Data Sheet
1.4
1.5
4
AGP Features
Power Management
The AGP features include the following:
n Bus Features
n Request Queue Features
n Graphics Address Remapping Table (GART) Features
The power management features include the following:
n Compliance support for both Advanced Configuration and
n The AMD-762 system controller supports the following
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Power Interface (ACPI) and Microsoft
management
power states:
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Compliance with Accelerated Graphics Port Interface
Specification, Revision 2.0
Synchronous 66-MHz 1x, 2x, and 4x data-transfer modes
Multiplexed and demultiplexed transfers
Up to four pipelined grants
Support of Sideband Address (SBA) bus
Separate read-request and write-request queues
Reordering of high-priority requests over low-priority
requests in queue
Simultaneous issuing of requests from both the write
queue and read queue
Conventional (two-level) GART scheme
Eight-entry, fully-associative GART table cache
Three fully-associative GART directory caches
One 4-entry for PCI
One 8-entry for the processor
One 16-entry for AGP
ACPI S1 (power on suspend) and S3 (suspend to RAM)
sleep states
Clock throttling with the processor’s STPCLK#/stop
grant mechanism
Preliminary Information
Features
®
24416C—December 2001
PC 99 power
Chapter 1