Intel Desktop Board D975XBX2 Technical Product Specification
16
1.1.4
Block Diagram
Figure 2 is a block diagram of the major functional areas of the board.
Intel 975X Chipset
Intel 82801GR/
82801GH
I/O Controller Hub
(ICH7-R/ICH7-DH)
Intel 82975X
Memory Controller
Hub (MCH)
System Bus
(1066/800 MHz)
LGA775
Processor
Socket
Parallel ATA
IDE Connector
Diskette Drive
Connector
LPC Bus
I/O
Controller
PS/2 Keyboard
PS/2 Mouse
Parallel Port
Serial Port
Parallel ATA
IDE Interface
Hardware Monitoring
and Fan Control ASIC
OM18546
Audio
Codec
Line Out/Retasking Jack
CD-ROM (Optional)
Primary
PCI Express
x16 Connector
PCI Bus
SMBus
Hi
g
h
D
efin
iti
o
n
A
u
d
io Li
nk
USB
Dual-Channel
Memory Bus
SMBus
PCI Slot 1
PCI Slot 2
Mic In/Retasking Jack
Line In/Retasking Jack
S/PDIF
SATA IDE
Connectors (4)
SATA IDE
Interface
Channel A
DIMMs (2)
Channel B
DIMMs (2)
Back Panel/Front Panel
USB Ports
Surround Left-Right/Retasking Jack
Center and LFE/Retasking Jack
Front Panel Mic In
Front Panel Line Out
PCI
Bus
TPM Component
(Optional)
LPC Bus
PCI Express x16
(Electrical x4) Slot
LAN
Connector
Gigabit Ethernet
Controller
Serial Peripheral
Interface (SPI)
Flash
Device
SMBus
SATA RAID
Connectors (4)
(Optional)
PCI
Bus
Discrete SATA RAID
Controller
(Optional)
IEEE-1394a Connectors
(Optional)
IEEE-1394a
Controller
(Optional)
LPC Bu
s
PCI Express Interface
Secondary
PCI Express
x16 Connector
DMI I
n
te
rc
on
n
ect
PCI Express
X16 Interface
SMBus
Figure 2. Block Diagram
Summary of Contents for D975XBX2 - Desktop Board Motherboard
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