Editing Atari DOS (section)

===Percom standard===
In 1978, [[Percom]] established a double-density layout standard which all other manufacturers of Atari-compatible disk drives such as [[Indus GT|Indus]], [[Amdek]], and Rana —except Atari itself— followed. A configuration block of 12 bytes defines the disk layout.<ref name=":1" /><ref name="wilkinson198510">{{cite news | url=https://archive.org/stream/1985-10-compute-magazine/Compute_Issue_065_1985_Oct#page/n111/mode/2up | title=Atari Disk Drive Compatibility | work=Compute! | date=October 1985 | access-date=16 October 2013 | author=Wilkinson, Bill | pages=110–111}}</ref><ref>{{Citation |last=Kay Savetz |title=Charles Marslett, MYDOS and FastChip — interview |date=2020-08-16 |url=https://archive.org/details/charles-marslett |access-date=2024-09-14}}</ref>