Electrical Components
SM 4-169 D086/D087
Replacement
and
Adjustment
4.14.16 NVRAM REPLACEMENT PROCEDURE
NVRAM on the BICU
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.
3. Turn off the main switch.
4. Remove the VM card from SD card Slot #2 (lower slot).
5. Insert a blank SD card into Slot #2, and then turn on the main power switch.
6. Upload the NVRAM data to the blank SD card using SP5-824-001 (NVRAM Data
Upload).
7. Turn off the main power switch, and then unplug the AC power cord.
8. Remove the SD card containing the NVRAM data from Slot #2.
9. Replace the NVRAM on the BICU with a new one.
10. Plug in the AC power cord, and then turn ON the main power switch.
NOTE: When you do this, SC995-02 (Defective NVRAM) will be displayed.
However, DO NOT turn off the main power switch. Continue with this
procedure.
11. Re-insert the SD card that you removed in Step 7 back into Slot #2.
12. Download the old NVRAM data from the SD card onto the new NVRAM using
SP5-825-001 (NVRAM Data Download).
NOTE: This will take about 2 or 3 minutes.
13. Turn off the main power switch, and then remove the SD card from Slot #2.
14. Insert the VM card into Slot #2.
15. Turn on the main power switch.
16. Output the SMC data ("ALL") using SP5-990-001, and make sure that it matches the
SMC data you printed out in step 1 above (except for the value of the total counter).
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