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Technical Reference Guide
d325 models only
D315 models only
NIC
PHY
TX/RX
Data
NIC
Cntlr.
10/100 NIC
PCI Card
AGP I/F
North Bridge
GeForce
MX Graphics
SDRAM
Cntlr.
TX/RX
Data
USB
I/F (6)
Sec.
IDE Bus
Pri.
IDE Bus
LPC
Bus
Diskette
I/F
Keyboard/
Mouse I/F
LPC47B367 I/O Controller
Parallel
I/F
Serial
I/F
BIOS
ROM
AGP Slot
Monitor
RGB
CD
Audio
Beep
Audio
AC’97
Link Bus
Audio
Subsystem
FSB
Memory
Bus
DDR
SDRAM
Athlon XP
Processor
PCI Slot 1
PCI Slot 2
PCI Slot 3
Hyper
Transport
Link
Bus
NForce Chipset
ATA100
Hard Drive
33-MHz 32-Bit
PCI Bus
Sec. IDE
Cntlr.
Power
Supply
USB
Cntlrs.
Pri. IDE
Cntlr.
South
Bridge
Figure 2-6. System Architecture, Block Diagram
Compaq D315 and hp d325 Personal Computers
Featuring the AMD Athlon XP Processor
Second Edition - March 2003
2-9