"original configuration" is a correct and usable phrase in written English.
It can be used to refer to the initial or original state or arrangement of something. This phrase is often used in technical or scientific contexts, such as in engineering or computer programming. Example: The software program was restored to its original configuration after a bug was discovered in the updated version.
The front porch, which had been mostly enclosed, was opened up and restored to its original configuration.
Bypassing two decades of dabbling with synthesizers, Wire is touring in its original configuration of two guitars, bass and drums.
The installation will sit on the east side of the 50m-long hall, exactly recreating the original configuration.
The original configuration of "Color Panels for a Large Wall" consisted of two horizontal rows of nine panels, an arrangement that suited the bank's long, narrow wall.
In such a case, he said, the co-op might hold the current owner responsible for restoring the heating system to its original configuration.
Unlike virtually every other big band in the annals of jazz, its original configuration consisted entirely of trumpets, trombones, French horns and a rhythm section, but no saxophones.
The siblings expanded to an adjoining storefront in 2005 but returned last fall to their original configuration as the increasing rent became unsustainable.
The M16 is gas-operated and, in its original configuration, had both semiautomatic (i.e., autoloading) and fully automatic fire-control options.
The challenge of restoring a scrambled cube to its original configuration is formidable, inasmuch as more than 1019 states can be reached from a given starting condition.
In its original configuration, the craft was reputed to have attained a speed in excess of 80 km (50 miles) per hour.
Still, the Guarneri weathered 37 years in its original configuration, so its Wednesday evening concert at Carnegie Hall, its last with Mr. Soyer as cellist, was a turning point.
