NH82801DBSL8DE 869490 Intel, NH82801DBSL8DE 869490 Datasheet - Page 30
NH82801DBSL8DE 869490
Manufacturer Part Number
NH82801DBSL8DE 869490
Description
Manufacturer
Intel
Datasheet
1.NH82801DBSL8DE_869490.pdf
(587 pages)
Specifications of NH82801DBSL8DE 869490
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Introduction
1.2
30
Table 1-2. PCI Devices and Functions
Overview
The ICH4 provides extensive I/O support. Functions and capabilities include:
The ICH4 incorporates a variety of PCI functions that are divided into three logical devices
(29, 30, and 31) on PCI Bus 0 and one device on Bus 1. Device 30 is the Hub Interface-To-PCI
bridge. Device 31 contains all the other PCI functions, except the USB controllers and the LAN
controller, as shown in
Bus 0:Device 30:Function 0
Bus 0:Device 31:Function 0
Bus 0:Device 31:Function 1
Bus 0:Device 31:Function 3
Bus 0:Device 31:Function 5
Bus 0:Device 31:Function 6
Bus 0:Device 29:Function 0
Bus 0:Device 29:Function 1
Bus 0:Device 29:Function 2
Bus 0:Device 29:Function 7
Bus n:Device 8:Function 0
•
•
•
•
•
•
•
•
•
•
•
•
Bus:Device:Function
PCI slots ( supports up to 6 Req/Gnt pairs)
PCI Local Bus Specification, Revision 2.2-compliant with support for 33 MHz PCI operations.
ACPI Power Management Logic Support
Enhanced DMA controller, Interrupt controller, and timer functions
Integrated IDE controller supports Ultra ATA100/66/33
USB host interface with support for 6 USB ports; 3 UHCI host controllers; 1 EHCI high-speed
USB 2.0 Host controller
Integrated LAN controller
System Management Bus (SMBus) Specification, Version 2.0 with additional support for I
devices
Supports Audio Codec ’97, Revision 2.3 specification (a.k.a., AC ’97 Component
Specification, Revision 2.3) Link for Audio and Telephony codecs (up to seven channels)
Low Pin Count (LPC) interface
Firmware Hub (FWH) interface support
Alert On LAN* (AOL) and Alert On LAN 2* (AOL2)
Table
1-2. The LAN controller is located on Bus 1.
Hub Interface to PCI Bridge
PCI to LPC Bridge
IDE Controller
SMBus Controller
AC ’97 Audio Controller
AC ’97 Modem Controller
USB UHCI Controller #1
USB UHCI Controller #2
USB UHCI Controller #3
USB 2.0 EHCI Controller
LAN Controller
Function Description
Intel
®
82801DB ICH4 Datasheet
2
C
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