Intel Desktop Board D945PWM Technical Product Specification
14
1.1.3 Block
Diagram
Figure 2 is a block diagram of the major functional areas.
Intel 945P Chipset
Intel 82801G
I/O Controller Hub
(ICH7)
Intel 82945P
Memory Controller
Hub (MCH)
Serial Peripheral
Interface (SPI)
Flash Device
System Bus
(1066/800/533 MHz)
LGA775
Processor Socket
Parallel ATA
IDE Connector
Diskette Drive
Connector
Legacy
I/O
Controller
PS/2 Keyboard
PS/2 Mouse
Parallel Port
Serial Port
Parallel ATA
IDE Interface
LPC
Bus
Hardware Monitoring
and Fan Control ASIC
OM18273
LAN
Connector
10/100
LAN PLC
PCI Express
x16 Interface
PCI Express
x16
Connector
= connector or socket
PCI Bus
SMBus
Hig
h
De
fi
nitio
n
Au
dio
Lin
k
USB
Dual-Channel
Memory Bus
SMBus
PCI Slot 1
PCI Slot 2
PCI Slot 3
PCI Slot 4
Serial ATA IDE
Connectors (4)
Serial ATA
IDE Interface
Channel A
DIMMs (2)
Channel B
DIMMs (2)
Back Panel/Front Panel
USB Ports
DMI
Int
e
rc
on
nect
LAN Con
n
e
c
t
In
te
rf
ac
e
PCI Express x1 Slot 1
PCI Express x1 Slot 2
PCI Express x1 Interface
PCI
Bus
IEEE-1394a Connectors
IEEE-1394a
Controller
Audio
Codec
Line Out/Retasking Jack
Mic In
Line In/Retasking Jack
Mic In/Retasking Jack
S/PDIF
Surround L-R/
Retasking Jack
Center and LFE/
Retasking Jack
Line Out
Figure 2. Block Diagram