Intel D845PEBT2 User Manual

Product Description
15
1.1.4 Block Diagram
Figure 2 is a block diagram of the major functional areas of the Desktop Board D845PEBT2. See
Figure 4 on page 24 for USB port routing.
Intel 845PE Chipset
Intel 82801DB
I/O Controller Hub
(ICH4)
Intel 82845PE
Memory Controller
Hub (MCH)
Intel 82802AB
4 Mbit
Firmware Hub
(FWH)
AHA
Bus
System Bus
(400/533 MHz)
mPGA478
Processor Socket
Primary/
Secondary IDE
Diskette Drive
Connector
LPC Bus
I/O
Controller
PS/2 Keyboard
PS/2 Mouse
Parallel Port
Serial Port
UDMA 33 and
ATA-66/100
LPC
Bus
Hardware
Monitoring
and Fan
Control ASIC
OM15028
AD1980
Audio Codec
(Optional)
Mic In
Front Left and Right Out
CD-ROM
Line In
CNR
Connector
(Optional)
LAN
Connector
Physical
Layer
Interface
CSMA/CD
Unit Interface
Two DIMM Banks
AGP
Interface
4X AGP
Connector
(1.5 V only)
= connector or socket
PCI Bus
SMBus
AC Link
Back Panel/
Front Panel
USB Ports
USB
Memory Bus
SMBus
SMBus
PCI Slot 1
PCI Slot 2
PCI Slot 3
PCI Slot 4
PCI Slot 5
Center and LFE Out
Line Out
Line In
Mic In
CD-ROM
Rear Left and Right Out
Digital S/PDIF
AD1981B
Audio Codec
(Optional)
SATA/SATA RAID
or IDE RAID
Controller
Three
IEEE 1394a-2000
Ports (Optional)
Primary/Secondary
SATA/SATA RAID
or IDE RAID
FW323
IEEE 1394a-2000
Controller (Optional)
Optical S/PDIF
Figure 2. Block Diagram

Intel D845PEBT2 Specifications

General

Brand	Intel
Model	D845PEBT2
Category	Motherboard
Language	English