Service RAM Addresses 
D115/D116 5-86  SM Appendix 
5.5 SERVICE RAM ADDRESSES 
 
  Do not change the settings which are marked as "Not used" or "Read only." 
680000(H) - Machine code 
680001 to 680004(H) - ROM version (Read only) 
680001(H) - Revision number (BCD) 
680002(H) - Year (BCD) 
680003(H) - Month (BCD) 
680004(H) - Day (BCD) 
680005(H) - Machine code 2 (check ram2) 
680006 to 680015(H) - Machine's serial number (16 digits - ASCII) 
680016(H) - Language code 
Bit0: Japanese, Bit1: English (UK), Bit2: English (USA), Bit3: French,   
Bit4: German, Bit5: Spanish, Bit6: Italian, Bit7: Dutch, Bit8: Swedish,   
Bit9: Norwegian, Bit10: Danish, Bit11: Finnish, Bit12: Czech,   
Bit13: Hungarian, Bit14: Polish, Bit15: Portuguese, Bit16: Russian,   
Bit17: Traditional Chinese, Bit18: Simplified Chinese, Bit19: Hangul 
680018(H) - Total program checksum (low) 
680019(H) - Total program checksum (high) 
680020 to 68003F(H) - System bit switches 
680050 to 68005F(H) - Printer bit switches 
680060 to 68007F(H) - Communication bit switches 
680080 to 68008F(H) - G3 bit switches 
680090 to 68009F(H) - G3-2 bit switches: Not used 
6800A0 to 6800AF(H) - G3-3 bit switches: Not used 
6800D0(H) - User parameter switch 00 (SWUER_00) : Not used 
6800D1(H) - User parameter switch 01 (SWUSR_01) : Not used 
6800D2(H) - User parameter switch 02 (SWUSR_02) 
Bit 0: Forwarding mark printing on forwarded messages   
0: OFF, 1: ON (Print) 
Bit 1: Center mark printing on received copies 
(This switch is not printed on the user parameter list.) 
0: OFF, 1: ON (Print) 
Bit 2: Reception time printing 
(This switch is not printed on the user parameter list.) 
0: OFF, 1: ON (Print)