Computer Hardware User Manual

92 SKA4 Baseboard Product Guide
Power Distribution Board Interface Connectors (J9B1, J9D1,
J9B2)
The SKA4 Baseboard receives its main power through two primary and one auxiliary power
connectors. The two main power connectors are identified as J9B1 and J9D1. The auxiliary
power connector, identified as J9B2, provides a power subsystem communication path, control
signals, power supply sense connections and other miscellaneous signals defined in the table
below.
Table 48. Main Power Connector A (J9B1)
Pin Signal Type*
Current Carrying
Capability Description
1 12V power 6 Amps Power supply 12V
2 Ground ground 6 Amps Ground return connection
3 Ground ground 6 Amps Ground return connection
4 Ground ground 6 Amps Ground return connection
5 Ground ground 6 Amps Ground return connection
6 VCC power 6 Amps Power Supply 5V
7 VCC power 6 Amps Power Supply 5V
8 VCC power 6 Amps Power Supply 5V
9 VCC power 6 Amps Power Supply 5V
10 VCC power 6 Amps Power Supply 5V
11 SB5V power 6 Amps Power Supply 5V standby
12 Ground ground 6 Amps Ground return connection
13 Ground ground 6 Amps Ground return connection
14 Ground ground 6 Amps Ground return connection
15 Ground ground 6 Amps Ground return connection
16 VCC power 6 Amps Power Supply 5V
17 VCC power 6 Amps Power Supply 5V
18 VCC power 6 Amps Power Supply 5V
19 VCC power 6 Amps Power Supply 5V
20 VCC power 6 Amps Power Supply 5V
* Type (in, out, in/out, power, ground) is from the perspective of the baseboard.