SERVICE RAM ADDRESSES
14 June, 2002
5-90
5.5 SERVICE
RAM
ADDRESSES
!
CAUTION
Do not change settings marked as “Not used” or “Read only.”
400001 to 480004(H) - ROM version (Read only)
400001(H) - Revision number (BCD)
400002(H) - Year (BCD)
400003(H) - Month (BCD)
400004(H) - Day (BCD)
400005(H) - RAM Reset Level 1
Change the data at this address to FF (H), then switch the machine off and on to
reset all the system settings.
Caution:
Before using this RAM, print the settings of all the system parameters
(System Parameter List).
NOTE:
The country code will be reset to UK when RAM reset level 1 is done.
400006 to 400015(H)
- Machine's serial number (17 digits - ASCII)
400018(H)
- Total program checksum (low)
400019(H)
- Total program checksum (high)
40001A(H)
- Boot program checksum (low)
40001B(H)
- Boot program checksum (high)
40001C(H)
- Main program checksum (low)
40001D(H)
- Main program checksum (high)
40001E(H)
- RDS program update counter (hex)
400020 to 40003F(H)
- System bit switches
400040 to 40004F(H)
- Scanner bit switches
400050 to 40005F(H)
- Printer bit switches
400060 to 40007F(H)
- Communication bit switches
400080 to 40008F(H)
- G3 bit switches
400090 to 40009F(H)
- SG3 bit switches (for optional G3 interface unit)
4000A0 to 4000AF(H)
– IP-FAX G3 bit switches (for optional NIC interface unit)
4800B0 to 4800CF(H)
- LAN bit switches (for optional NIC interface unit)
400120 to 40012F(H)
– G4P switches (for optional G4 unit)
400130 to 40014F(H)
– G4I switches (for optional G4 unit)