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IBM 4810-E3H - LED Operation

IBM 4810-E3H
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These are the descriptions of the indicators that are on the front cover:
This indicates a standard USB port.
This LED indicates HDD activity.
This LED indicates the 4810 power state. Hold down the power
button for 4 seconds to power off.
Table 5. LED operation
System state LED state or operation
Off (No AC supplied) OFF
Off (AC supplied) (Note: this state can be
entered by holding the power button down
for at least 4 seconds)
Blip (0.25 second ON, 1.75 seconds OFF)
On (POST) Blinking (0.5 second ON, 0.5 second OFF)
On (Normal operation after post '8B'h) ON
S1 (Standby) Blinking (0.5 second ON, 0.5 second OFF)
S3 (Suspend to RAM) Blinking (0.5 second ON, 0.5 second OFF)
Figure 2. Front view of 4810/4910 system unit
Product introduction
March 2009
Chapter 1. Introduction 5

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