Overall Machine Control - Gestetner A193 Service Manual

3. OVERALL MACHINE CONTROL

3.1 SYSTEM CONTROL
Function
Upgrade
Card
G4
Lower Left
CPU BUS
Flash ROM
(2MB)
FCU
Bus Interface
Parallel Interface
Serial Interface
(A639)
Feature
HDD
Expander
Interface
2M/4M
Upper
SCP
SRAM R144EFXL
(128kB) Modem
Analog Circuit
Monitor
NCU
Speaker
1-7
OVERALL MACHINE CONTROL
Page
80MB Memory
HDD Card
Lower Right
DRAM
(2.5MB)
DMA BUS
VIF
BiCU
A194V500.wmf
SM