Rams Board; Overview; Block Diagram - Konica Minolta bizhub 200 Service Manual

3. Summary of Board functions
3.3

RAMS Board

3.3.1

Overview

• This board mounts a flash memory storing the program to operate the system.
• It also has a clock IC circuit, a SRAM circuit for storing different types of registration infor-
mation, and a file memory backup circuit by an Ni-MH battery.
3.3.2

Block diagram

RAMS board
16
Theory of Operation Ver. 1.0 Aug. 2005
Address bus
Data bus
ROM
BOOT
SRAM
Clock IC
Back up Battery
Ni-MH
Back up Circuit
Flash
Memory
4040T2E612AA