System Block Diagram - Abit IT5 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
CD ROM &
Hard Disk
ISA BUS
Serial
Ctrl
Tag Ctrl
TIO[0..7]
TIO[8..10]
Fast
IDE
PIIX3
ALi
M5123
Pentium Processor
3.3V
Addr
Ctrl
TXC
ECC
Data
Control
Address/Data
USB USB
1 2
Universal Serial Bus
LPT
FDC
1-9
Control
Address
Data
Main
Memory
(DRAM)
PCI Device(s)
ISA Device(s)