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J44/J45: 6-pin System Fan Connector
Signal
Pin
Pin
Signal
12V
1
4
TACH
GND
2
5
12V
PWM
3
6
GND
J44: SYS_FAN_1 J45: SYS_FAN_2
J17 (SATADOM1)/J21 (SATADOM2): SATA DOM Connector
Signal
Pin
Pin
Signal
GND
1
6
RXP
TXP
2
7
GND
TXN
3
P1
VCC
GND
4
P2
GND
RXN
5
J40: LPC Debug Port and TPM Header
Signal
Pin
Pin
Signal
P3V3
1
2
LPC_FRAME_N
LPC_LAD0
3
4
Key Pin
LPC_LAD1
5
6
PLTRST_N
LPC_LAD2
7
8
GND
LPC_LAD3
9
10
CLK
IRQ_SERIAL
11
12
GND
FM_TPM_MOD_PRES_N
13
14
P3V3_AUX
P3V3(NI)/GND
15
16
RST_ESPI_RESET_N
J38: Front Panel Header
Signal
Pin
Pin
Signal
1
2
FP_PWR
KEY Pin
3
4
PWR_LED-
5
6
ID_LED-
7
8
FAULT_LED1-
HDD_LED-
9
10
FAULT_LED2-
11
12
LAN1
GND
13
14
LAN1 ACTLED-
RST_SW#
15
16
SMBus SDA
GND
17
18
SMBus SCL
SYS_ID_SW#
19
20
INTRUSION#
TEMP SENSOR
21
22
LAN2
NMI_SW#
23
24
LAN2 ACTLED-
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...