ARK-3381 User Manual 28(*): means default setting of the jumper/functionPlease also refer to Chapter 6 of ìFull Disassembly Procedureî to set it.Up. The default setting of JP6 is 5V.3.11 Installing the DDR SDRAM Memory ModuleThe ARK-3381 provides one 200-pin SODIMM (Small Outline DualInline Memory Module) socket and supports 2.5V DDR SDRAM. Youcan install from 64 MB to 1 GB of DDR SDRAM memory.The procedure of installing a DDR SDRAM SODIMM into the ARK-3381 is detailed below, please follow these steps carefully.1. Remove the power cord.2. Unscrew the four screws from the bottom cover of the ARK-3381.3. Remove the bottom cover.4. Plug a DDR SDRAM SODIMM with your OS or application pro-gram into a DDR SDRAM SODIMM on board.5. Screw back the bottom cover with four screws.3.12 Inserting a Compact Flash CardThe procedure of installing a CompactFlash card into the ARK-3381 isdetailed below, please follow these steps carefully.1. Remove the power cord.2. Unscrew the two screws from the CF Door located on rear face plate ofthe ARK-3381 embedded box computer.Table 3.12: LCD Power Setting (J6)Close pins Function1-2 +5V*2-3 +3.3V
