If your search for "portable" refers to hardware rather than pinball software, offers a range of rugged, portable mobile handheld computers designed for industrial environments. ACD M270SE

: The ROM is derived from the "AC/DC LE 1.70.0 Game Code" found on the official Stern Pinball Support Page .

The keyword primarily refers to the official game code for the Stern AC/DC Limited Edition (LE) pinball machine, specifically version 1.70. While some results mention "portable" in the context of ACD Group's mobile handheld computers like the

: This specific ROM version is required for modern "Serum" colorizations, which add 65,000-color depth to the table's DMD (Dot Matrix Display). Note that the color-patched version, often named acd_170hc , may have frame-rate differences and is not always interchangeable with the base acd_170h . ACD Portable Handheld Solutions

: To use it in emulators like VPinMAME , users must download the .bin file, rename it to acd_170h.bin , and compress it into a .zip file named acd_170h.zip .