
vii ARK-2121S User Manual
Contents
Chapter 1 General Introduction ...........................1
1.1 Introduction ............................................................................................... 2
1.2 General Specification ................................................................................ 3
1.3 Specifications ............................................................................................ 3
Table 1.1: Power Input / Output support information................... 4
1.4 Dimensions ............................................................................................... 5
Figure 1.1 ARK-2121S dimensions ............................................. 5
Chapter 2 Hardware installation ..........................7
2.1 Overview of Hardware Installation & Upgrading ....................................... 8
2.2 Installing Memory ...................................................................................... 8
2.3 Installing storage ....................................................................................... 9
2.3.1 Installing 2.5" SSD or HDD ........................................................... 9
2.3.2 Installing mSATA Storage............................................................. 9
2.4 Installing Optional Modules ..................................................................... 10
2.4.1 Installing WLAN module.............................................................. 10
2.4.2 Installing WWAN module ............................................................ 11
Chapter 3 Jumper and Switch Settings ............13
3.1 Setting Jumpers and Switches................................................................ 14
3.2 Locations of Jumpers .............................................................................. 14
3.2.1 Main board .................................................................................. 14
Figure 3.1 Top side of main board............................................. 14
3.3 Jumper Lists............................................................................................ 15
3.3.1 Main Board.................................................................................. 15
Table 3.1: Jumpers & Switches ................................................. 15
3.4 Jumper Settings ...................................................................................... 15
3.4.1 Main Board ................................................................................. 15
Table 3.2: Auto Power On Setting (J2)...................................... 15
Table 3.3: LCD Power (J5) ........................................................ 15
Table 3.4: Clear CMOS (SW2) .................................................. 16
Chapter 4 Pin Assignments ...............................17
4.1 ARK-2121S-S9A1E I/O Connectors........................................................ 18
4.1.1 ARK-2121S-S9A1E Front I/O View............................................. 18
4.1.2 ARK-2121S-S9A1E Rear I/O View ............................................. 18
4.2 ARK-2121S-S9A1E I/O Pin Definition..................................................... 18
4.2.1 VGA Connector........................................................................... 18
Figure 4.1 VGA Connector ........................................................ 18
Table 4.1: VGA Connector Pin Assignments............................. 18
4.2.2 USB Connector ........................................................................... 19
Figure 4.2 USB Connector [Upper (black): USB2.0 / Down (blue):
USB 3.0] ................................................................... 19
Table 4.2: USB Connector Pin Assignments............................. 19
4.2.3 Ethernet Connector..................................................................... 19
Figure 4.3 Ethernet Connector .................................................. 19
Table 4.3: Ethernet Connector Pin Assignments....................... 19
4.2.4 HDMI Connector ......................................................................... 20
Figure 4.4 HDMI Connector....................................................... 20