User manual

ARK-3381 User Manual 26
(*): means default setting of the jumper/function
Please also refer to Chapter 6 of “Full Disassembly Procedure” to set it.
Up. The default setting of JP6 is 5V.
3.11 Installing the DDR SDRAM Memory Module
The ARK-3381 provides one 200-pin SODIMM (Small Outline Dual
Inline Memory Module) socket and supports 2.5V DDR SDRAM. You
can 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 Card
The procedure of installing a CompactFlash card into the ARK-3381 is
detailed 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 of
the ARK-3381 embedded box computer.
Table 3.12: LCD Power Setting (J6)
Close pins Function
1-2 +5V*
2-3 +3.3V