
5 Chapter 1
Expansion Board Reserved Functions
• Battery Backup SRAM* 1MB
• Mini-PCIe* 1 x Mini-PCIe
• HDD* 1 x SATA II
*Note: This function is reserved for projects
1.3 Safety Precautions
The following sections tell how to make each connection. In most cases,
you will simply need to connect a standard cable.
Warning! Always disconnect the power cord from your
chassis whenever you are working on it. Do not
connect while the power is on. A sudden rush of
power can damage sensitive electronic compo-
nents. Only experienced electronics personnel
should open the chassis.
Caution! Always ground yourself to remove any static
electric charge before touching UNO-2174A/
2178A. Modern electronic devices are very sen-
sitive to static electric charges. Use a grounding
wrist strap at all times. Place all electronic com-
ponents on a static-dissipative surface or in a
static-shielded bag.
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