
http://www.tyan.com
95
J50: PSMI Connector
Signal
Pin
Pin
Signal
PSMI_CLK
1
2
PSMI_DAT
PSMI_ALERT
3
4
GND
VCC
5
J32: Internal USB3.1 Header
Signal
Pin
Pin
Signal
VCC
1
20
NC
P0_RX_N
2
19
VCC
P0_RX_P
3
18
P1_RX_N
GND
4
17
P1_RX_P
P0_TX_N
5
16
GND
P0_TX_P
6
15
P1_TX_N
GND
7
14
P1_TX_P
P0_N
8
13
GND
P0_P
9
12
P1_N
OC_N
10
11
P1_P
J67: IPMB Pin Header
Signal
Pin
Pin
Signal
IPMB_DATA
1
2
GND
IPMB_CLK
3
4
VCC
J52: BMC Debug Header
Pin
Signal Name
1
UART_TXD
2
GND
3
UART_RXD
J31: Vertical Type A USB3.1 Connector
Pin
Signal
1
P5V_AUX
2
D-
3
D+
4
GND
5
STAD_SSRX-1
6
ST1
7
GND
8
STAD_SSTX-1
9
ST1
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...