Apple HD SC Setup is a small

software utility Utility software is software designed to help analyze, configure, optimize or maintain a computer. It is used to support the computer infrastructure - in contrast to application software, which is aimed at directly performing tasks that benefit or ...

that was bundled with various versions of the

classic Mac OS Mac OS (originally System Software; retronym: Classic Mac OS) is the series of operating systems developed for the Macintosh family of personal computers by Apple Computer from 1984 to 2001, starting with System 1 and ending with Mac OS 9. Th ...

and

A/UX A/UX is Apple Computer's Unix Unix (; trademarked as UNIX) is a family of multitasking, multiuser computer operating systems that derive from the original AT&T Unix, whose development started in 1969 at the Bell Labs research center by ...

operating systems made by

Apple Computer Apple Inc. is an American multinational technology company headquartered in Cupertino, California, United States. Apple is the largest technology company by revenue (totaling in 2021) and, as of June 2022, is the world's biggest company ...

. Introduced with Apple's first

SCSI Small Computer System Interface (SCSI, ) is a set of standards for physically connecting and transferring data between computers and peripheral devices. The SCSI standards define commands, protocols, electrical, optical and logical interface ...

hard drive, the Hard Disk 20SC in September 1986, Apple HD SC Setup can update drivers and partition and initialize

hard disk A hard disk drive (HDD), hard disk, hard drive, or fixed disk is an electro-mechanical data storage device that stores and retrieves digital data using magnetic storage with one or more rigid rapidly rotating platters coated with mag ...

s. It was often used when reinstalling the operating system of an

Apple Macintosh The Mac (known as Macintosh until 1999) is a family of personal computers designed and marketed by Apple Inc. Macs are known for their ease of use and minimalist designs, and are popular among students, creative professionals, and software ...

computer, or to repair corrupt partition information on a

hard disk. Prior to its introduction, the formatting of disks was handled exclusively by the Mac's

Finder Finder may refer to: * Finder (surname) * Finder (software), part of the Apple Macintosh operating system * ''Finder'' (comics), a comic book series by Carla Speed McNeil * ''Finder'' (novel), a 1994 novel by Emma Bull * Finder Wyvernspur, a fi ...

application, or by third-party formatting utility software customized for a specific disk drive. The version of Apple HD SC Setup that shipped with the classic Mac OS was only able to manipulate hard disks that featured Apple

ROM Rom, or ROM may refer to: Biomechanics and medicine * Risk of mortality, a medical classification to estimate the likelihood of death for a patient * Rupture of membranes, a term used during pregnancy to describe a rupture of the amniotic sac * ...

s. Versions of the program that were bundled with

, however, could be used with any SCSI disk. A third-party patch Patching HD SC Setup 7.3.5
/ref> was released enabling standard editions of Apple HD SC Setup to work on any SCSI disk. In the mid-1990s, when Apple began shipping computers using ATA hard drives, Apple HD SC Setup was joined by Internal HD Format, which could only format IDE drives. Eventually, both Internal HD Format and Apple HD SC Setup were superseded with Drive Setup in 1995, which combined SCSI and IDE formatting abilities, and ultimately by

Disk Utility A disk utility is a utility program that allows a user to perform various functions on a computer disk, such as disk partitioning and logical volume management, as well as multiple smaller tasks such as changing drive letters and other mount p ...

macOS macOS (; previously OS X and originally Mac OS X) is a Unix operating system developed and marketed by Apple Inc. since 2001. It is the primary operating system for Apple's Mac (computer), Mac computers. Within the market of ...

References

External links

Download Apple HD SC Setup 7.3.5 from apple.com
Classic Mac OS software Products introduced in 1986 {{mac-stub