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| 2.2 <Jumper Reference> | 
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 | Jumper | Function | 
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 | JRTC | CMOS Operating/Clear Setting | 
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 | JCFSEL | Compact Flash address mode setting | 
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 | JVLCD | LCD Panel Voltage Setting | 
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 | JAT | AT/ATX mode setting | 
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 | JCSEL1/2 | COM2 RS232/422/485 mode setting | 
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 | JAT | JCFSEL | JRTC | |
JVLCD
JCSEL1/2
| 14 | Jumper Reference |