System Block Diagram - Abit IT5E Series User Manual

Introduction of IT5 Series Features
l

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
Fig. 1-4 System block diagram
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)