Block Diagram - Intel D845GRG Using Manual

1.1.2 Block Diagram

Figure 1 is a block diagram of the major functional areas of the Desktop Boards.
= connector or socket
Primary/
Secondary IDE
µPGA478
Processor Socket
AGP
Interface
4X AGP
Connector
(1.5 V only)
VGA Port
DIMM Banks (2)
PCI Slot 1
PCI Slot 2
PCI Slot 3
PCI Slot n*
*
For specific information on this feature, refer to the Product Supplement Document for your Desktop Board.
UDMA 33 and
ATA-66/100
System Bus
(400/533 MHz)
Intel 82845G
Graphics and AHA
Memory Controller Bus
Hub (GMCH)
Display
Interface
Memory Bus
SMBus
PCI Bus
SMBus
Hardware
Management
ASIC*
Figure 1. Block Diagram
USB
LPC Bus
I/O
Controller
SMBus
LPC
Bus
Intel 82801DB
I/O Controller Hub
(ICH4)
Physical
Layer
Interface
CSMA/CD
Unit Interface
AC Link
SMBus
AD1981A
Audio Codec
Product Description
Back Panel /
Front Panel
USB Ports
Serial Port
Parallel Port
PS/2 Mouse
PS/2 Keyboard
Diskette Drive
Connector
4 Mbit
Firmware Hub
(FWH)
Intel 845G Chipset
LAN
*
Connector
*
CNR
*
Connector
Line In
Line Out
Mic In
Auxiliary Line In
CD-ROM
OM13570
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