Ricoh B286 Service Manual page 268

Board LEDS
Controller Board DIP SW3
Bit Application
0 Boot mode selection
1 Not Used
2 Not Used
3 Not Used
4 Not Used
5 Not Used
6 Not Used
7 HDD Power Control
B286/B289
On: FlashROM (Default)
Off: SD Card
On: HDD OFF in CTL_OFF mode (Default)
Off: HDD ON in CTL_OFF mode
4-50
Setting
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SM