Introduction; Wakeup By External Usb Device At S3 Resume (Wakeup); Installation For Windows Xp; Windows Audio Volume Application - Advantech POC-S197 User Manual

7.1

Introduction

The POC-S197/S177/S157 system needs specific utilities or hot fixes to support spe-
cial functions.
7.2 Wakeup by External USB Device at S3 Resume
(Wakeup)
POC-S197/S177/S157 supports three different sleep (suspend) modes, they are:
1. S1: Power On Suspend; system will stop the clock, turn off LCD backlight, but
keep all power on. A user can press any key (by mouse or keyboard) to wakeup
system.
2. S3: Suspend to RAM; system will stop the clock, turn off most power rails, not
including memory power. All necessary information is saved into memory. In
this sleep mode, the system needs a hot fix to wakeup the system by USB
mouse or keyboard.
3. S4: Suspend to Disk (Hibernation); system will stop the clock, turn off most
power, including the memory power. And save all necessary information to hard
disk. In this sleep mode, a user needs to press the power button to wakeup the
system.
7.2.1

Installation for Windows XP

1. Double click the "USBRG.REG" in the D:\Driver\USB folder
2. Click "Yes" to install this registry information.
3. Click "OK" to close the "successfully installed" information window.
7.3

Windows Audio Volume Application

On the front panel of the POC-S197/S177/S157 system, there are two buttons to
control the speaker volume.
This speaker volume is adjustable pressing a button and it does not need any soft-
ware utility. However, this speaker volume button cannot modify Windows volume
control.
POC-S197/S177/S157 User Manual 38