Ricoh D009 Service Manual page 1038

Service RAM Addresses
680384(H) – Hour
680385(H) – Minute
680386(H) – Second
680387(H) - 00: Monday, 01: Tuesday, 02: Wednesday, /// , 06: Sunday
680394(H) - Optional equipment (Read only – Do not change the settings)
Bit 0: Page Memory 0: Not installed, 1: Installed
Bit 1: SAF Memory 0: Not installed, 1: Installed
Bits 2 to 7; Not used
680395(H) - Optional equipment (Read only – Do not change the settings)
Bits 0 to 3: Not used
Bit 4: G3-2 0: Not installed, 1: Installed
Bit 5: G3-3 0: Not installed, 1: Installed
Bit 6 and 7: Not used
680406 to 68040A – Option G3 board (G3-2) ROM information (Read only)
680406(H) - Suffix (BCD)
680407(H) - Version (BCD)
680408(H) - Year (BCD)
680409(H) - Month (BCD)
68040A(H) - Day (BCD)
68040B to 68040F – Option G3 board (G3-3) ROM information (Read only)
68040B(H) - Suffix (BCD)
68040C(H) - Version (BCD)
68040D(H) - Year (BCD)
68040E(H) - Month (BCD)
68040F(H) - Day (BCD)
680410(H) - G3-1 Modem ROM version (Read only)
680412(H) - G3-2 Modem ROM version (Read only)
680414(H) - G3-3 Modem ROM version (Read only)
680420(H) - Number of multiple sets print (Read only)
680476(H) - Time for economy transmission (hour in 24h clock format - BCD)
680477(H) - Time for economy transmission (minute - BCD)
680492(H) - Transmission monitor volume 00 - 07(H)
680493(H) - Reception monitor volume 00 - 07(H)
680494(H) - On-hook monitor volume 00 - 07(H)
680495(H) - Dialing monitor volume 00 - 07(H)
680496(H) - Buzzer volume 00 - 07(H)
D346 148 SM