Compaq EN Series Technical Reference Manual page 32

66-MHz
32-Bit
AGP Bus
Graphics
Cntlr. Card
10/100 NIC
Card
IDE
Hard Drive
Beep Audio
CD Audio
Audio
Subsystem
87307 I/O Controller
Keyboard/ Diskette
Mouse I/F
CDS Desktops and all Minitower models.
3200 and 6400 models only.
4300 and 9100 models only.
Figure 2–8. Compaq Deskpro EN System Architecture, Block diagram
Pentium II or
Celeron
Processor
66-/100- MHz 64-Bit Host Bus
66-/100-MHz
64-Bit
82443BX
Mem. Bus
(North
Bridge)
33-MHz
32-Bit
PCI Bus
Wide Ultra SCSI
Pri.
82371
IDE I/F
USB
(South
I/F (2)
Sec. Bridge)
IDE I/F
16-Bit ISA Bus
Serial Parallel
I/F I/F (2) I/F
Compaq Deskpro EN Series of Personal Computers
Third Edition - September 1998
Technical Reference Guide
System
Memory
Wide Ultra
SCSI
Cntlr. Card
Hard Drive
System
Security
Logic
BIOS
ROM
Power
Supply
Desktop and Minitower Form Factors
2-11