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Accessories
6 - 3
Figure 6-2    
Installing the Keypad
4.
Perform a warm boot.
Multi Media Card (MMC) / Secure Device (SD) Card
The MMC provides secondary non-volatile storage. The MMC is located under the keypad (see 
).
To insert the MMC/SD:
1.
Suspend the mobile computer.
2.
Remove the two keypad screws and slide the keypad down and lift off (see 
3.
Lift the MMC/SD retaining door.
4.
Position the MMC/SD, with the contacts down, into the MMC/SD holder. The MMC/SD corner notch fits into the 
holder only one way. Snap the retaining door closed.
NOTE
SD cards are inter-operable with MMC cards and can also be used in MC909X mobile computers.
The following supports SD Memory Cards up to 2 GB:
MC909X with Windows Mobile 5.0 and OEM Version 01.39.0001 
MC909X with Windows CE 5.0 and OEM Version 01.26.0001 
CAUTION
Do not remove the keypad while the mobile computer is on and do not operate the mobile computer with 
the keypad detached. Follow proper ESD precautions to avoid damaging the MMC/SD. Proper ESD 
precautions include, but are not limited to, working on an ESD mat and ensuring that the operator is 
properly grounded.