Ricoh Di-C1.5a Manual page 114

After installing the new controller board before
turning the main power on:
Disconnect the cables of the HDD from the
controller board.
Disconnecting the cables of the HDD is very
important. Otherwise, the HDD is automatically
formatted and all data in the HDD is lost due to
the security limitation.
Turn on the main power.
Connect the cables of the HDD to the controller
board.
Install the new Security SD card as instructed in
the FSM.
Slide 114
The Security SD card ID information is stored in the NVRAM on the controller
board. If the NVRAM is replaced, the current Security SD card cannot be used. A
new Security SD card must be installed.
NVRAM (CTL) Removal
114
Di-C1.5 Training