Abit IT5 Series - System Block Diagram

Introduction of IT5 Series Features 1-5
l System block diagram
Fig. 1-2 System block diagram
Pentium Processor
3.3V
Host BUS
Control
Address
Data
Second Level
Cache
Addr
Ctrl
Tag Ctrl
Data
Ctrl
TIO[0..7]
PCI BUS
TXD Ctrl
Plink
Control
Address/Data
Fast
IDE
ISA BUS
Universal Serial Bus
TDX
Main
Memory
(DRAM)
CACHE
(SRAM)
TAG
TVX
PIIX3
CD ROM &
Hard Disk
USB
1
USB
2
PCI Device(s)
ALi
M5123
ISA Device(s)
Serial
LPT
FDC