Advantech POC127, User Manual

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POC-127 User Manual 66
8.1 Introduction
The POC-127 system needs a specific utility or hot fix to support special functions.
8.2 Wakeup by external USB device at S3 resume
(wakeup)
POC-127 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. Users can press any key (by mouse or keyboard) to wakeup
the system.
2. S3: Suspend to RAM - system will stop the clock and turn off most power rails
but RAM will remain powered. It will save all necessary information into memory.
In this sleep mode, Windows XP 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 and turn off most
power, including RAM memory power, and it will save all necessary information
into the Hard Disk. In this sleep mode, users need to press and hold the power
button to wakeup the system.
8.2.1 Installation for Windows XP
Step 1. Double click the “USBRG.REG” in D:\Driver\XP\USB folder
Step 2. Click Yes to install this registry information.
Step 3. Click OK to close the successfully installed information window.