Beta System - Macintosh Repository

Found 65 software entries in System from category: Beta

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(Beta 10A190) Mac OS 10.6 Snow Leopard PowerPC

Year: 2008

(Modified on 2024-01-05 12:25:12)

Back in the late transition days from PPC to Intel Apple had to eventually cut the rope for PPC. When early reports of developer beta builds of Snow Leopard surfaced, Apple neither clarified nor commented on the further PPC support of OS X beyond...

Mac OS 9.0 Beta (9.0b4c3, 9.0b6c3, 9.0b7c3, 9.0b7c4, 9.0f2c2, 9.0f3, 9.0f4, 9.0f9, 9.0.1f1, 9.0.4f6)

Year: 1998

(Modified on 2024-01-07 11:43:19)

System 7.0a9 (May 1990)

Year: 1990

(Modified on 2024-01-05 15:56:26)

This was the may 1990 release of Macintosh System Software 7.0a9 (which most likely means 7.0 alpha 9). Along with an early/development version of the operating system, the disc included lots of developer tools and other special...

Mac OS 7.0 Beta (7.0a9, 7.0b1, 7.0b4)

Year: 1990

(Modified on 2023-06-12 21:54:34)

Those are trimmed down versions of Mac OS 7.0 betas. See also: the full 7.0a9 CD image containing developer tools See also: the full 7.0b4 CD image

Mac OS 7.7 Beta (7.7a2c5 a.k.a. 8.0a2c5)

Year: 1997

(Modified on 2024-04-03 16:04:47)

691-2858-A,ZM,Mac OS X Public Beta 2000 (CD)

Year: 2000

(Modified on 2024-01-07 18:01:17)

PPC Mac OS X 10.5 Leopard Beta 9A241

Year: 2006

(Modified on 2024-01-05 19:46:54)

9A241 is an early Mac OS X 10.5 Leopard beta release and one of the only builds that still supported Classic Environment (Mac OS 9.2.2 in OSX) before Apple finally prevented official builds from running it. Mac OS X 10.5 beta (9A241) is also said...

Mac OS 7.5 Beta (7.5a8c4, 7.5b2c2 Mozart, 7.5b5c4 NBD, 2.0-s8-s9-s11, 7.5.3a3c3, 7.5.3a7c1, 7.5.3b6c2, 7.5.3f2c2, 7.5.3f6, 7.5.3d3c2 7.5.4s1c3, 7.5.4s4, 7.5.5c3 a.k.a. 7.5b5c4)

Year: 1994

Mac OS 7.5 Beta (7.5a8c4, 7.5b2c2 Mozart, 7.5b5c4 NBD, 2.0-s8-s9-s11, 7.5.3a3c3, 7.5.3a7c1,... (1994)

(Modified on 2024-01-05 16:28:51)

Mac OS 8.6 Beta (8.6a3c4, 8.6b3, 8.6b9, SDK #5)

Year: 1998

(Modified on 2023-07-23 18:59:04)

System 7.0b4 (February 1991)

Year: 1991

(Modified on 2023-06-30 13:42:59)

Macintosh "Twiggy" Prototype Files

Year: 1984

(Modified on 2023-04-03 08:56:04)

A while ago, a rare prototype "Twiggy" Macintosh surfaced. Instead of the more familiar Sony 3.5" floppy disk drive, this machine used Apple's custom "Twiggy" 5.25-inch floppy disk drive as seen on the Apple...

MacOS 8.x Pre Releases

Year: 1998

(Modified on 2024-01-07 18:03:28)

Mac OS X Public Beta

Year: 2000

(Modified on 2024-01-07 17:53:44)

The Mac OS X Public Beta (internally codenamed "Kodiak") was an early beta version of Apple Computer's Mac OS X operating system Cheetah. It was released to the public on September 13, 2000 for US$29.95. It...

System 1.0 (August 1983 builds)

Year: 1983

(Modified on 2024-08-15 03:03:38)

Mac OS 8.7 Beta (8.7a3, 8.7a6c2, 8.7a6c3, 8.7b3c3)

Year: 1998

(Modified on 2023-07-23 18:46:48)

Mac OS X Server "Rhapsody" DR1 + DR2 (Intel x86 + PPC)

Year: 1997

(Modified on 2024-12-19 15:57:27)

"Rhapsody" DR1 and DR2 were the developer releases (beta) of what would soon become Mac OS X Server 1.0 and then Mac OS X 10.0. Rhapsody is a software product, named NeXTSTEP from 1989 to 1997, that Steve Jobs developped and brought...

Mac OS X 10.0 Developer Preview 3 (Home build ISO image)

Year: 1999

(Modified on 2024-01-07 19:31:49)

The first release of Mac OS X that is really recognizable since this is the first release to introduce aqua.

(BETA 10A190) Snow Leopard 10.6

Year: 2008

(Modified on 2025-04-24 17:09:00)

Note that this is kind of obsolete, see this more up to date version: https://www.macintoshrepository.org/80930-mac-os-x-10-6-8-for-powerpc-alpha-3-macrumors- Developer preview beta build 10A190 of Mac OS X Snow Leopard 10.6 This is...

Mac OS 8.7 - 9.0 Betas

Year: 1999

(Modified on 2024-01-05 23:37:44)

MacOS 8.7 is supposedly a cancelled MacOS 8.x update, that became MacOS 9 for PPC. As shown by Action Retro, it can be run on a PowerBook 540c that has a PPC upgrade inside, however, at least for him, the wallpaper becomes the...

Mac OS 8.0 Copland (Beta Builds)

Year: 1996

(Modified on 2024-01-05 23:47:47)

Copland was supposed to be the turning point of classic Mac OS. Starting from 1994, its intention was to introduce true multitasking and protected memory, among other underlying features previously unavailable to the Macintosh. ...