GIGA-BYTE TECHNOLOGY G481-HA1, Service Manual

Page: 21 / 124

- 21 - System Appearance
2-6 Power Supply Unit (PSU) LED
PSU LED
Color Status Description
Off -- No AC power to all power supplies
Green On +12V output ON and OK
Green
Blinking
0.5Hz
AC present / Only +12VSB on (PS off) or PSU in Smart Standby Mode
Green
Blinking
2Hz
Power supply firmware update
Amber On
AC cord unplugged / AC power lost but a second power supply in parallel
still having AC input power
Power supply critical events that cause a shutdown, such as: OTP,
OCP, UVP, OVP and fan failure
Amber
Blinking
0.5Hz
Power supply warning events where the power supply continues to
operate, such as: high temperature, high power, high current, slot fan
2-7 Hard Disk Drive LEDs
2.5” HDD
3.5” HDD
LED#1
LED#2 (Reserved)
LED#1
LED#2 (Reserved)
RAID SKU LED1 Locate Rebuilding
HDD
Fault
HDD
Access
HDD Present
(No Access)
No RAID configuration
(via HBA, ICH)
RAID configuration
(via HW RAID Card or
SW RAID Card)
Disk LED
(LED on
Back Panel)
Amber
Removed HDD Slot
(LED on Back Panel)
Disk LED
Removed HDD Slot
Green ON(*1) OFF Green OFF
ON
OFF
ON(*1)
OFF
OFF
ON
OFF
ON
Alternately
(Low Speed: 2 Hz)
(*3)
(*3)
OFF
OFF
--
--
Green
Amber
Green
ON(*1) OFF Green -- Green
OFF OFF Amber -- Amber
Amber OFF
OFF Amber OFF
LED 2 HDD Present No HDD
Green
ON
OFF