ECID stands for Exclusive Chip ID. It's a unique identifier assigned to a device's processor or motherboard. The ECID Register likely refers to a feature or function related to reading or writing the ECID.
The term "portable" in this context suggests that the iBoy Ramdisk software is designed to be compact and can run from a portable device, such as a USB drive, without requiring installation on the host computer. iboy ramdisk ecid register portable
With that in mind, "iBoy Ramdisk ECID Register Portable" likely refers to a portable version of the iBoy Ramdisk software that includes a feature for reading or interacting with the ECID Register. ECID stands for Exclusive Chip ID