CPU VRM Power Sequence
Posted: Sun Apr 23, 2023 12:30 am
1. AC-DC Vin (+19v&+5v) -> CPU VRM
2. SIO (Enable/VRON -> VRM
3. CPU (SVID) -> VRM
VR_SVID_DAT1, VR_SVID_ALRT#, VR_SVID_CLK
4. PCH -> CPU
H_CPUPWRGD_R, PM_DRAM_PWRGD_R, CLK_CPU_DMI
2. SIO (Enable/VRON -> VRM
3. CPU (SVID) -> VRM
VR_SVID_DAT1, VR_SVID_ALRT#, VR_SVID_CLK
4. PCH -> CPU
H_CPUPWRGD_R, PM_DRAM_PWRGD_R, CLK_CPU_DMI