Desktop Board Description
21
For information about
Refer to
The
PC Serial Presence Detect Specification
Section 1.3, page 16
Obtaining copies of PC SDRAM specifications
http://www.intel.com/design/pcisets/memory
1.6 Intel
®
810E2 Chipset
The Intel 810E2 chipset consists of the following devices:
•
82810E DC-133 Graphics Memory Controller Hub (GMCH) with accelerated hub architecture
(AHA) bus
•
82801BA I/O Controller Hub (ICH2) with AHA bus
•
SST 49LF004A 4 Mbit firmware hub (FWH)
The GMCH is a centralized controller for the system bus, the memory bus, the AGP bus, and the
Accelerated Hub Architecture bus. The ICH2 is a centralized controller for the board’s I/O paths.
The FWH provides the nonvolatile storage of the BIOS. The component combination provides the
interfaces as shown in Figure 3.
810E2 Chipset
82801BA I/O Controller
Hub (ICH2)
82810E
Graphics Memory
Controller Hub
(GMCH)
SST 49LF004A
Firmware Hub
(FWH)
100 MHz
SDRAM
Bus
AHA
Bus
ATA-66/100
USB
66/100/133 MHz
System Bus
AC Link
LPC Bus
Digital
Video Output
OM11132
CSMA/CD
Unit Interface
Display
Interface
SM Bus
PCI Bus
Figure 3. Intel 810E2 Chipset Block Diagram
For information about
Refer to
The Intel 810E2 chipset
http://developer.intel.com
The resources used by the chipset
Chapter 2
The chipset’s compliance with ACPI, APM, AC ‘97
Section 1.3, page 16
