Laptop User Manual

Theory of Operation 4-7
Figure 4-2 Extensa Series System Architecture Diagram
M1521
M1523
SYSTEM ARCHITECTURE
tag 8/11-bit
TTL
SRAM
208-PQFP/RTC/KBC
328-BGA
586 CPU
addr
data
PCI
ISA
DRAM
MD
GC
MA
CTLR
IDE bus
HDD
128K/256K
Flash
XD - TTL
USB conn