TZ68A+ UEFI BIOS Manual
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Vcc SA
This item sets CPU System Agent (memory controller, DMI, PCIe controllers, and
display engine) power supply.
PCH Voltage
This item sets PCH Voltage.
Vcc IO
This item sets CPU High frequency I/O logic power supply.
DDR3 Slot 1/2/3/4 Information
These items display SPD information of DDR3 memory.