System Block Diagram - Abit IT5E Series User Manual

Introduction of IT5 Series Features
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System block diagram

Host BUS
Second
Level Cache
CACHE
(SRAM)
TAG
PCI BUS
Fast
IDE
CD ROM &
Hard Disk
ISA BUS
Serial
Pentium
Ctrl
Tag Ctrl
TVX
TIO[0..7]
USB
PIIX3
Universal Serial Bus
ALi
M5123
Fig. 1-2 System block diagram
Processor
3.3V
Main
Addr
Memory
Ctrl
(DRAM)
Plink
TXD Ctrl
Control
Address/Data
USB
1 2
LPT
FDC
1-5
Control
Address
Data
Data
TDX
PCI Device(s)
ISA Device(s)