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Appendix
Subject 1: Regarding the Application of 3-Phase or 3+1 Phase
Power Supply Mold
As a result of the increasing power consumption demand from many
AMD CPUs in current market, we suggest not to use a CPU that
demands more than 65W power consumption at work for an AMD CPU
compliant board that comes with power supply design as 3 phase or
3+1 phase mold and MOSFET design as working in High SideX1 and
Low SideX1 mold so as to avoid MOSFET getting burned or other
phenomena like a halted system or system instability. So please take notice of the
CPU you are using and make sure that it is one that demand not more than 65 W to
ensure long-term working order.
Note：
1. The relation between CPU Power Consumption Amount and Power Phase:
depending on difference in voltage rating, one-phase of power can provide
25~30W to the motherboard.
2. 3- Phase Power Supply Mold: motherboard with 3 inductances for CPU power
supply, and each inductance carries with it 2 MOSFET (6 MOSFETs in total)
(Figure1);3+1–Phase Power Supply Mold: motherboard with 4 inductances for
CPU power supply, and each inductance carries with it 2 MOSFET (8 MOSFETs
in total) (Figure2)
Figure 1
Figure 2
Solution：
We recommend users choose motherboards with power design of 4-phase, 4+1
phase or more for CPUs that demand 89W or 95W power consumption.
We recommend users choose motherboards with power design of 5-phase, 5+1
phase or more for CPUs that demand 125W or 140W power consumption.
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