Before revision: upright=1.4|Voltage regulator module for an IBM Netfinity 7000 M10 server running an Intel Xeon processor A voltage regulator module (VRM), sometimes called processor power module (PPM), is a buck converter that provides a microprocessor the appropriate supply voltage, converting or to a much lower voltage required by the CPU , allowing processors with different supply voltage to be mounted on the same motherboard.
After revision: upright=1.4|Voltage regulator module for an IBM Netfinity 7000 M10 server running an Intel Xeon processor A voltage regulator module (VRM), sometimes called processor power module (PPM), is a buck converter that provides microprocessor and chipsetand chipset the appropriate supply voltage, converting or to a much lower voltage required by the CPU , allowing processors with different supply voltage to be mounted on the same motherboard.