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5.5 LED Definitions
D33
BMC Heart
Beat LED
Pin
Signal
+
VDD_33_DUAL
-
GND
State
Description
Solid On
Green
BMC Initialing.
Blinking Green
The LED blinks per second to
indicate that the BMC controller is
working normally.
OFF OFF
The LED shuts off when the BMC
controller cannot be detected or
properly initiated.
D21
System
PWOK LED
Pin
Signal
+
VDD_33_DUAL
-
GND
State
Description
OFF OFF
The LED shuts off when the
system power is not ready.
ON Green
The green LED lights up when the
system power is ready.
D18
HW Fault
LED
Pin
Signal
+ VDD_33_DUAL
- GND
State
Description
OFF OFF
The LED shuts off when System is
running normally.
ON Amber
The LED lighted up when the
system has experienced sensor
abnormal.
Summary of Contents for B8251T83E8HR-2T-N
Page 1: ...1 http www tyan com TN83 B8251 Service Engineer s Manual...
Page 12: ...12 http www tyan com NOTE...
Page 16: ...http www tyan com 16...
Page 30: ...http www tyan com 30 1 5 7 Chassis Dimensions...
Page 34: ...http www tyan com 34 3 Push the rear top cover backward to lift it up 4 Remove the air duct...
Page 36: ...http www tyan com 36 4 Replace the front top cover...
Page 50: ...http www tyan com 50 3 Repeat the same procedures to install the other inner rail...
Page 53: ...http www tyan com 53...
Page 56: ...http www tyan com 56...
Page 61: ...http www tyan com 61 3 2 Replacing the GPU Riser Cards 1 Unscrew to lift up the GPU Brackets...
Page 64: ...http www tyan com 64 NOTE...
Page 70: ...http www tyan com 70 Rear Fan...
Page 71: ...http www tyan com 71...
Page 84: ...http www tyan com 84 NOTE...
Page 87: ...http www tyan com 87 5 2 Block Diagram S8251...
Page 89: ...http www tyan com 89 5 3 Motherboard Mechanical Drawing...
Page 118: ...http www tyan com 118 6 3 2 1 Add an Attempt Read only NOTE Only LAN1 supports iSCSI function...
Page 132: ...http www tyan com 132 6 3 7 1 CPU 0 Information Read only...
Page 133: ...http www tyan com 133 6 3 7 2 CPU 1 Information Read only...
Page 149: ...http www tyan com 149 6 3 15 NVMe Configuration Read only...
Page 150: ...http www tyan com 150 6 3 16 SATA Configuration Read only...
Page 163: ...http www tyan com 163 6 4 1 1 Socket 0 Information Read only...
Page 164: ...http www tyan com 164 6 4 1 2 Socket 1 Information Read only...
Page 208: ...http www tyan com 208 NOTE...
Page 222: ...http www tyan com 222 BIOS Temp Sensor Name Explanation...
Page 232: ...http www tyan com 232 NOTE...