Nvram On The Controller Board - Ricoh M160 Service Manual

Electrical Components

4.12.5 NVRAM ON THE CONTROLLER BOARD

1. Make sure that you have the SMC report (factory settings). This report comes with the
machine.
2. Output the SMC data ("ALL") using SP5-990-001. (SP5-990-001)
3. Turn off the main power switch.
4. Insert a blank SD card into slot #2, and then turn on the main power switch.
5. Upload the NVRAM data to the blank SD card using SP5-824-001 (NVRAM Data
Upload).
6. Turn off the main power switch, and then unplug the AC power cord.
7. Remove the SD card containing the NVRAM data from slot #2.
8. Replace the NVRAM on the controller board with a new one.
9. Plug in the AC power cord, and then turn on the main power switch.

When you do this, SC995-02 (Defective NVRAM) will be displayed. However, DO
NOT turn off the main power switch. Continue with this procedure.
10. Re-insert the SD card that you removed in step 5 back into slot #2.
11. Download the old NVRAM data from the SD card onto the new NVRAM using
SP5-825-001 (NVRAM Data Download).

This will take about 2 or 3 minutes.
12. Turn off the main power switch, and then remove the SD card from slot #2.
13. Turn on the main power switch.
14. Output the SMC data ("ALL") using SP5-990-001, and make sure that it matches the
SMC data you printed out in step 2 above (except for the value of the total counter).

Do all of the following if SP5-824-001 (NVRAM Data Upload) and SP5-825-001 (NVRAM
Data Download) cannot be performed for some reason.
1. Manually enter all data on the SMC report (factory settings).
2. Install the Security function (Data Overwrite Security and HDD Encryption unit) again.
M160/M161 4-60 SM