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Lot #6035
Apple II Computer with Early Rev. 0 Board in Rare Ventless Case (Serial No. A2S1-0119)

Exceedingly rare "Rev. 0" Apple II in its original ventless case—one of the rarest production Apple computers

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Estimate: $30000+
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Description

Exceedingly rare "Rev. 0" Apple II in its original ventless case—one of the rarest production Apple computers

Very early Apple II computer in its extremely rare original ventless case, carrying a scarce Rev. 0 logic board (green), featuring the "Apple Computer, Inc." logo with a copyright date of 1977, hand numbered in the corner in blue felt tip: "1-324." No revision number is printed within the 6502 socket, which is populated with a Synertek M0S 6502 microprocessor, marked with date code "7938." However, the board is missing many ICs, and many of the chips that are present are replacements (possibly due to common overheating problems resulting from the ventless case). The power supply and keyboard are original. The case has a crack to the rear of the housing (near the in/out ports) and exhibits some paint chipping throughout. The bottom bears an "Apple Computer Inc." label, identifying it as "Serial No. A2S1-0119." The system has not been tested due to the missing ICs.

Accompanied by a brown Apple II carrying case and kit of assorted parts and accessories, including: an Apple Disk II 5.25˝ floppy drive with Disk II Interface Card, two Sup 'R' Mod II Ch. 33 TV Interface Units, Perisoft Printerlink card, JDR Micro card, Apple Communication Interface Card, Kraft Systems joystick, power cable, and three software cassette tapes.

The early success of the Apple-1 in 1976 paved the way for the introduction of the Apple II in the spring of 1977. In Apple’s 1980 IPO prospectus, the company described its progress: ‘In April 1977 the Company introduced the Apple II computer mainframe which was similar to the Apple I but incorporated additional circuitry and a keyboard, and was packaged in a plastic housing.’ In other words, the Apple II built upon the Apple-1 to become an even more capable, more consumer-ready machine.

Apple II computers initially came in this ventless case, but they experienced frequent overheating issues: this often led to various custom modifications to the original cases, with users cutting their own ventilation holes or wiring DIY fans into the housing. Within months, Apple introduced a vented case that solved the overheating problem and offered existing users a free replacement. As most early Apple II users took advantage of the upgrade or vented their cases themselves, unmodified ventless Apple II computers are exceptionally rare.

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