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82371FB

82371FB首页预览图
型号: 82371FB
PDF文件:
  • 82371FB PDF文件
  • 82371FB PDF在线浏览
功能描述: 82371FB (PIIX) AND 82371SB (PIIX3) PCI ISA IDE XCELERATOR
PDF文件大小: 751.28 Kbytes
PDF页数: 共122页
制造商: INTEL[Intel Corporation]
制造商LOGO: INTEL[Intel Corporation] LOGO
制造商网址: http://www.intel.com
捡单宝82371FB
PDF页面索引
120%
E
© INTEL CORPORATION 1996, 1997 April 1997 Order Number: 290550-002
Bridge Between the PCI Bus and ISA Bus
PCI and ISA Master/Slave Interface
PCI from 25–33 MHz
ISA from 7.5–8.33 MHz
5 ISA Slots
Fast IDE Interface
Supports PIO and Bus Master IDE
Supports up to Mode 4 Timings
Transfer Rates to 22 MB/Sec
8 x 32-Bit Buffer for Bus Master IDE PCI
Burst Transfers
Separate Master/Slave IDE Mode
Support (PIIX3)
Plug-n-Play Port for Motherboard Devices
2 Steerable DMA Channels (PIIX Only)
Fast DMA with 4-Byte Buffer (PIIX Only)
2 Steerable Interrupts Lines on the PIIX
and 1 Steerable Interrupt Line on the
PIIX3
1 Programmable Chip Select
Steerable PCI Interrupts for PCI Device Plug-
n-Play
PCI Specification Revision 2.1 Compliant
(PIIX3)
Functionality of One 82C54 Timer
System Timer; Refresh Request;
Speaker Tone Output
Two 82C59 Interrupt Controller Functions
14 Interrupts Supported
Independently Programmable for
Edge/Level Sensitivity
Enhanced DMA Functions
Two 8237 DMA Controllers
Fast Type F DMA
Compatible DMA Transfers
7 Independently Programmable
Channels
X-Bus Peripheral Support
Chip Select Decode
Controls Lower X-Bus Data Byte
Transceiver
I/O Advanced Programmable Interrupt
Controller (IOAPIC) Support (PIIX3)
Universal Serial Bus (USB) Host Controller
(PIIX3)
Compatible with Universal Host
Controller Interface (UHCI)
Contains Root Hub with 2 USB Ports
System Power Management (Intel SMM
Support)
Programmable System Management
Interrupt (SMI)—Hardware Events,
Software Events, EXTSMI#
Programmable CPU Clock Control
(STPCLK#)
Fast On/Off Mode
Non-Maskable Interrupts (NMI)
PCI System Error Reporting
NAND Tree for Board-Level ATE Testing
208-Pin QFP
The 82371FB (PIIX) and 82371SB (PIIX3) PCI ISA IDE Xcelerators are multi-function PCI devices
implementing a PCI-to-ISA bridge function and an PCI IDE function. In addition, the PIIX3 implements a
Universal Serial Bus host/ hub function. As a PCI-to-I SA bridge, the PI IX/PIIX3 integrates many common I/O
functi ons found in I SA-bas ed PC systems—a seven-channel DMA cont roller, two 82C59 interrupt cont rollers,
an 8254 timer/counter, and power management support. In addition to compatible transfers, each DMA
channel support s type F transf ers. Chip select decoding is provided for B IOS, real time clock , and keyboard
controller. Edge/Lev el interrupts and interrupt steering are supported for PCI plug and play c ompatibility. The
PIIX /PIIX3 supports two IDE connect ors for up to four IDE dev ices providing an interface f or IDE hard disks
and CD ROMs. The PIIX/PIIX3 provides motherboard plug and play compatibility. PIIX implements two
steerable DM A channels (including ty pe F t ransfers) and up to t wo steerabl e interrupt lines. PI IX3 implements
one steerable interrupt line. The interrupt lines can be routed to any of the available ISA interrupts. Both
PIIX/PIIX3 implement a programmable chip select.
PIIX3 contains a Universal Serial Bus (USB) Host Controller that is UHCI compatible. The Host Controller’s
root hub has two programmable USB ports. PIIX3 also provides support for an external IOAPIC.
This document desc ribes the PI IX3 Component . Unshaded areas describe t he 82371FB PII X. Shaded areas ,
like this one, describe the PIIX3 operations that differ from the 82371FB PIIX.
82371FB (PIIX) AND 82371SB (PIIX3)
PCI ISA IDE XCELERATOR
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