The Maintenance Menu is a standard Sharp ROM utility program for performing a system check, clearing or reformatting system ROM, or flashing a new ROM image.
The Maintenance Menu is activated by holding down the OK button while booting the Zaurus (hold down OK until the menu appears).
Menu text is in Japanese. Following is a translation or the menu screens displayed for a ROM update/flash (screen captures obtained from a Zaurus model SL-C1000):
Please choose the operation you wish to perform.
* Please move focus with cursor keys, [OK] key to execute. Number keys can also select. If you don't need to do anything please select "1. Cancel".
1. Cancel 2. Fault check 3. Complete clear (format) 4. Update
|Choose "4.アップデート" (Update):|
1. CF 2. SD 3. Return
|Select the location of the new ROM files|
1. If Zaurus is not connect to AC adapter:
This function cannot be executed because the AC adaptor is not connected. Please connect the AC adapter and retry.
|2. Zaurus is connected to AC adapter.|
WARNING: System data may be erased.
Zaurus system will be updated. Depending on the update, system data may be erased, so please backup data in advance.
Perform the update?
Yes (Y) No (N)
NOTE: Installing some non-Sharp ROMs, such as pdaXrom's U-Boot boot loader, destroys the Maintenance Menu. The menu utility can be recovered with a NAND restore, though this would destroy the installed non-Sharp ROM.