AMD-750 Просмотр технического описания (PDF) - Advanced Micro Devices

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AMD-750

Chipset

Advanced Micro Devices 

23016A—August 1999

AMD-750™ Chipset Overview

Enhanced IDE Controllers

The AMD-756 controller includes enhanced master mode PCI

and IDE controllers with the following features:

n Ultra DMA-33/66 support for a primary and secondary dual-

drive port

n Transfer rates up to 33 Mbytes per second supporting PIO

modes 1–4, multi-word DMA mode-2 drivers, and up to 66

Mbytes per second supporting the ultra DMA-66 interface

n Sixteen-level doubleword prefetch and write buffers

n Commands can be interleaved between the two channels

n Bus master programming interface for compliance with

SFF-8038i 1.0 and Microsoft Windows® 95

n Full-featured scatter-gather capability

n Support for ATAPI-compliant devices

n Support for PCI-native and ATA-compatibility modes

n Complete bus mastering software driver support

Universal Serial Bus Controller

The AMD-756 controller includes a universal serial bus (USB)

controller with the following features:

n USB 1.0 and OHCI compliant

n Sixteen-level doubleword FIFO for burst PCI bus access

n Root hub and four ports

n Integrated physical-layer transceivers with over-current

detection status on USB inputs

n Legacy keyboard and PS/2 mouse support

AMD-756™ Peripheral Bus Controller

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