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Chapter 3. Motherboard Settings
Ursa User Manual
24 21 22 42 GPU Power Connectors (J64, J65, J66, J67)
Pin Description Pin Description
1 Ground
5 +12V
2 Ground
6 +12V
3 Ground
7 +12V
4 Ground
8 +12V
25 Backplane Power Connector (J95)
Pin Description
Pin Description
1 Ground
9 +12V
2 Ground
10 +12V
3 Ground
11 +12V
4 Ground
12 +12V
5 Ground
13 +12V
6 Ground
14 +12V
7 Ground
15 RST_I2C_HDDBP_N
8 I2C_HDDBP_SDA
16 I2C_HDDBP_SCL
20 Rear 2HDD Backplane Power Connector (J54)
Pin Description
Pin Description
1 +12V
3 Ground
2 +5V
4 Ground
26 Rear HDD Backplane I²C Connector (J34)
Pin Description
1 I²C_GPU_SCL
2 I²C_GPU_SDA
3 Ground
4 NC
CPU0
CPU1
5
42
24
22
21
25
20
26