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6 Troubleshooting
154
Bootable CD-ROM Is Not Detected
Check the following:
• Make sure the BIOS are configured to allow the CD-ROM to be the first
bootable device.
LED Information
The Acer Altos R510 includes LEDs that can aid in troubleshooting your
system. A table of these LEDs with a description of their use is listed
below.
Name Function Location Color Notes
ID Aid in server
identification
from the back
panel
Control
panel and
board rear
left corner
Blue Press ID LED button
or user Server Man-
agement software
to turn on the LED.
System
fault
Visible fault
warning
Control
panel and
board rear
left corner
Green
or
Amber
• On = No Fault
• Green Blink =
degraded
• Amber = critical
error or non-
recoverable
• Amber blink =
non-critical
Hard
drive
activity
Control panel Control
panel
Green Blinking = Activity.
No action required.
Mem-
ory fault
1–6
Identify fail-
ing memory
module
DIMM end
rear of
board
Amber On = Fault
Diag-
nostic
LEDs. 1–
4 (LSB,
bit1,
bit2,
MSB)
Displays port
80 POST codes
Center back
edge of
board
Each
LED can
be Off,
Green,
Amber,
Red
See the POST code
table