Intel D845PEBT2 User Manual

Product Description
23
1.7 Intel
®
845PE Chipset
The Intel 845PE chipset consists of the following devices:
• Intel 82845PE Memory Controller Hub (MCH) with Accelerated Hub Architecture (AHA) bus
• Intel 82801DB I/O Controller Hub (ICH4) with AHA bus
• Intel 82802AB (4 Mbit) Firmware Hub (FWH)
The MCH is a centralized controller for the system bus, the memory bus, the AGP bus, and the
Accelerated Hub Architecture interface. The ICH4 is a centralized controller for the Desktop
Board D845PEBT2’s I/O paths. The FWH provides the nonvolatile storage of the BIOS. The
component combination provides the chipset interfaces as shown in Figure 3.
845PE Chipset
82801DB
I/O Controller Hub
(ICH4)
82845PE
Memory Controller
Hub (MCH)
82802AB
4 Mbit Firmware
Hub (FWH)
AHA
Bus
System Bus
UDMA 33
ATA-66/100
USB
AGP
Interface
OM15029
Network
AC LinkPCI BusSMBus
DDR SDRAM
Bus
LPC Bus
Figure 3. Intel 845PE Chipset Block Diagram
For information about Refer to
The Intel 845PE chipset http://developer.intel.com
Resources used by the chipset Chapter 2

Intel D845PEBT2 Specifications

General

Brand	Intel
Model	D845PEBT2
Category	Motherboard
Language	English