Intel Desktop Board D945PLNM Technical Product Specification
14
1.1.3 Block
Diagram
Figure 2 is a block diagram of the major functional areas.
Intel 945PL Chipset
Intel 82801G
I/O Controller Hub
(ICH7)
Intel 82945PL
Memory Controller
Hub (MCH)
Serial Peripheral
Interface (SPI)
Flash Device
System Bus
(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
OM18286
Audio
Codec
LAN
Connector
10/100
LAN PLC
PCI Express
x16 Interface
PCI Express
x16
Connector
= connector or socket
PCI Bus
SMBus
Hig
h
De
finit
io
n
Au
dio
Lin
k
USB
Dual-Channel
Memory Bus
SMBus
PCI Slot 1
PCI Slot 2
Serial ATA IDE
Connectors (4)
Serial ATA
IDE Interface
Channel A
DIMM
Channel B
DIMM
Back Panel/Front Panel
USB Ports
DMI
Inter
c
onnect
LA
N Connect
Int
e
rf
a
c
e
PCI Express x1 Slot
PCI Express x1 Interface
Line Out/Retasking Jack
Mic In
Line In/Retasking Jack
Mic In/Retasking Jack
Line Out
Figure 2. Block Diagram