ASUS RS500A-E6/PS4 4-13
11. Power Supply SMBus connector (5-pin PSUSMB1)
This connector allows you to connect SMBus (System Management Bus) to
the power supply unit to read PSU information. Devices communicate with an
SMBus host and/or other SMBus devices using the SMBus interface.
12. SSI power connectors
(24-pin SSIPWR1, 8-pin SSI12V1, 8-pin SSI12V2)
These connectors are for the SSI power supply plugs. The power supply
plugs are designed to t these connectors in only one orientation. Find the
proper orientation and push down rmly until the connectors completely t.
• DO NOT forget to connect the 24+8+8-pin power plugs; otherwise, the
system will not boot up.
• Use of a PSU with a higher power output is recommended when conguring
a system with more power-consuming devices. The system may become
unstable or may not boot up if the power is inadequate.
• Ensure that your power supply unit (PSU) can provide at least the minimum
power required by your system.