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Technical Reference Guide
Pentium 4
Processor
82801BA
ICH2
Pri. IDE
Cntlr.
USB
Cntlr.
Power
Supply
82802
FWH
Sec. IDE
Cntlr.
Diskette
I/F
LPC47B367 I/O Controller
Parallel
I/F
Serial
I/F (2)
Keyboard/
Mouse I/F
33-MHz
32-Bit PCI Bus
IDE
Hard Drive
845 Chipset
LPC
Bus
Hub Link
Bus
SCSI
Hard Drive
Adaptec
29160N
SCSI
Adapter Card
PCI Slots
82845
GMCH
Memory
Bus
NIC
AGP
4X
I/F
RGB
AGP 4X
Graphics
Controller
CD
Audio
AC’97
Link Bus
Beep
Audio
Audio
Subsystem
SDRAM
Cntlr.
400-MHz FSB
System
Memory
Monitor
NOTES:
Select Workstation models only.
Figure 2–9. System Architecture, Block diagram
Compaq Evo and Workstation Personal Computers
Featuring the Intel Pentium 4 Processor
Second Edition - January 2003
2-13