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 microprocessor , RAM and chipset the appropriate supply voltage, converting , or to a much lower voltage required by the processor, 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 , RAM and chipset the appropriate supply voltage, converting , or to lower voltages required by the devices, allowing devices with different supply voltages be mounted on the same motherboard.