Fact-checked by Grok 2 weeks ago

Apple IIc Plus

The Apple IIc Plus is a compact released by Apple Computer, Inc. in September 1988 as the final upgrade to the portable line and the last model in the , exclusively marketed in the United States. It featured a 4 MHz , 128 KB of standard (expandable to 1.125 MB total), a built-in 800K 3.5-inch floppy drive, and an internal power supply for enhanced portability and performance. Designed to succeed the 1984 , it incorporated modern storage options and faster processing—surpassing even the Apple IIGS's 2.8 MHz speed—while maintaining compatibility with the Apple II ecosystem's software and peripherals. Priced at $675 for the base model or $1,099 with a , the IIc Plus targeted home, educational, and users seeking an all-in-one 8-bit with improved expandability, including support for up to three external 3.5-inch drives and two 5.25-inch drives via daisy-chaining. Key hardware enhancements included mini-DIN-8 serial ports for peripherals like modems and printers, a redesigned Apple Standard Keyboard with a Sholes/ layout switch (replacing the IIc's 40/80-column toggle), and built-in support mapped to slot 7. It also featured a custom ASIC for disk port management and static caching for the , enabling selectable speeds of 1 MHz or 4 MHz to balance compatibility and performance. Despite its technical refinements—making it Apple's most advanced 8-bit machine—the IIc Plus arrived amid Apple's shift toward the Macintosh platform, resulting in limited marketing and production support. Production ended in September 1990 after a two-year run, marking the close of the Apple II era that began in 1977 and sold millions of units worldwide. The model supported ProDOS 8 and earlier operating systems, with firmware identified by ROM level $05, but it lacked features like the original IIc's Memory Expansion Card compatibility and required workarounds for certain single-sided media.

History and Development

Background and Influences

The development of the Apple IIc Plus was spurred by competitive pressures from third-party Apple II clones, particularly the series produced by , which offered enhanced features such as faster processing and expanded memory at significantly lower prices than Apple's offerings, threatening the company's dominance in the portable Apple II market. To counter this, Apple initiated the project in mid-1987, aiming to refresh the aging Apple IIc design with incremental improvements like an internal 3.5-inch drive while preserving compatibility with existing software and peripherals. During its internal development, the project adopted several codenames—Raisin, Pizza, and —to facilitate communication and maintain secrecy, reflecting the team's determination to revive the compact Apple II line amid shifting priorities at Apple. These names underscored the iterative nature of the effort, with "" specifically nodding to the developers' resolve to keep the initiative alive despite resource constraints. The machine was positioned as the sixth and final iteration in the , evolving directly from the 1984 and the earlier IIe without venturing into revolutionary technologies, thereby extending the lifespan of the platform's ecosystem. Strategically, the Apple IIc Plus represented Apple's effort to safeguard its entrenched in and sectors, where the Apple II family had long been a staple, even as the PC compatibles gained traction in business environments and Apple's own Macintosh line shifted focus toward graphical user interfaces and professional applications. By addressing and bolstering portability for educational use, the project sought to prolong the relevance of the amid these broader industry transitions, though it occurred against a backdrop of internal emphasis on Macintosh development.

Release Details

The Apple IIc Plus was announced and released on September 16, 1988, at the AppleFest trade show in . It launched with an initial U.S. retail price of $675, equivalent to approximately $1,790 in 2024 dollars when adjusted for inflation using the . Apple positioned the IIc Plus primarily for the education market and as a portable upgrade option for owners of earlier systems, targeting first-time buyers seeking compatibility with existing software libraries. The model was discontinued in 1990, signaling the conclusion of Apple's production of new Apple II hardware.

Design and Features

Major Hardware Enhancements

The Apple IIc Plus introduced several key hardware upgrades that significantly improved performance and usability compared to the original , focusing on internal integration and speed enhancements while maintaining compatibility with the ecosystem. A primary advancement was the inclusion of a built-in 3.5-inch 800 KB drive, which replaced the external 5.25-inch drives of earlier models and supported higher-capacity media for more efficient storage and data transfer. This internal drive allowed for up to 1,600 blocks per disk across 80 tracks per surface, enabling seamless handling of ProDOS-formatted media without additional peripherals. The processor was upgraded to a 4 MHz 65C02 , a substantial increase from the original IIc's 1.023 MHz CPU, delivering approximately 3.3 times the overall processing speed as confirmed by benchmarks. This acceleration was achieved through a dedicated circuit including an 84-pin custom gate array and 16 KB of static (with 8 KB used for caching), allowing user-selectable speeds of 1 MHz or 4 MHz via a boot-time key sequence for compatibility or performance needs. Complementing this, the system integrated an internal , eliminating the external unit of prior models and reducing the total weight to 7 pounds (3.2 kg), which enhanced portability without compromising power delivery of up to 20 watts. To support the new drive and ensure robust compatibility, the IIc Plus incorporated the (Memory Interface and Graphics) chip, a custom gate array that managed data buffering via a 2 SRAM for 3.5-inch drive operations and facilitated ProDOS integration by handling sector transfers at the required bit-cell rates. This chip interfaced with the Integrated Woz Machine (IWM) controller, enabling support for one internal 800 drive and up to three external drives (a mix of 3.5-inch and 5.25-inch), while maintaining for legacy software and media. These enhancements collectively positioned the IIc Plus as a more capable, self-contained evolution of the portable design.

Aesthetic and Usability Updates

The Apple IIc Plus introduced aesthetic refinements that brought its external design in line with Apple's evolving product aesthetic during the late 1980s. The case adopted a platinum color scheme, matching the style of contemporary models like the Apple IIGS and Macintosh computers, which lent a more professional and cohesive appearance to the lineup. The underwent a slight redesign to enhance usability, featuring a seamless with the case and adjustments for improved key feel and overall typing . This update aligned the input experience more closely with Apple's modern standards while retaining the familiar layout. Additionally, the volume control slider replaced the previous 40/80 column switch, simplifying audio adjustments directly above the . The compact, all-in-one portable form factor inherited from the original was preserved, emphasizing portability without an external power brick due to the integrated . Minor refinements improved access to ports, including the use of standard mini-DIN-8 connectors for interfaces, which enhanced with peripherals such as modems and printers. The system shipped with 128 KB of RAM as standard, allowing immediate access to 80-column text modes and double hi-resolution graphics without requiring additional hardware expansions. These changes, alongside brief speed boosts from the CPU upgrade, contributed to a more refined and user-friendly interaction model.

Inherent Limitations

The Apple IIc Plus featured an internal 3.5-inch floppy drive, a departure from the original IIc's 5.25-inch drive, which eliminated native support for legacy 5.25-inch media and required users to connect an external drive—such as the UniDisk 5.25—for compatibility with older Apple II software and disks. This design choice undermined the model's portability, as the external connection via the SmartPort added bulk and dependency on additional hardware, limiting its utility for users reliant on the vast library of 5.25-inch-based titles from the early 1980s. Although the IIc Plus shipped with a fixed 128 of base —expandable to 1 MB via a proprietary inserted beneath the —this baseline configuration proved insufficient for many demanding applications by standards, such as advanced word processing or database tasks in that benefited from larger memory allocations. The expandability, while present, was not as straightforward or integrated as in models, often requiring disassembly and third-party cards that were not always compatible with the Plus's updated timing specifications. Unlike the , which offered seven expansion slots for add-on cards enabling custom peripherals like enhanced storage or modems, the IIc Plus omitted all internal slots to prioritize its compact, all-in-one , severely restricting user customization and upgrades. This closed architecture locked users into Apple's predefined ports, such as the limited video and printer interfaces, without provisions for the broader ecosystem of IIe-compatible expansions. The IIc Plus also lacked innovative hardware advancements, including dedicated color graphics acceleration or built-in networking capabilities, relying instead on the legacy software-rendered graphics of prior Apple II models and external modems for connectivity—features that positioned it as an incremental update rather than a forward-looking evolution, especially when contrasted with the more capable .

Technical Specifications

Processor and Memory

The Apple IIc Plus is powered by a 65C02 , a CMOS-enhanced variant of the original , operating at a selectable clock speed of 4 MHz for enhanced performance or 1 MHz for compatibility with legacy software. It includes an 8 KB cache (from 16 KB physical SRAM, with 8 KB used for tags and data) to support reliable operation at the higher speed. This processor maintains full with the vast library of 6502-based software developed for earlier Apple II models, while its additional instructions—such as bit manipulation operations (BBR, ) and stack pointer relative addressing—enable optimizations in operating systems like ProDOS, allowing for more efficient file handling and system calls without altering core compatibility. The 4 MHz mode provides a significant speed boost in ProDOS environments, roughly quadrupling execution rates for compatible applications compared to the standard 1 MHz operation of prior models. The system includes 128 KB of base (), configured as 64 KB main and 64 KB auxiliary to support advanced multitasking and graphics modes inherent to the architecture. Unlike standard slot-based s in other variants, the IIc Plus employs a proprietary 34-pin internal connector for non-standard upgrades, enabling up to 1.125 MB through specialized banking techniques that map additional banks into the auxiliary space. These banks are switched via software-controlled registers, allowing applications to access for large datasets or ramdisks while preserving the 64 KB addressable limit per bank for 6502 . Read-only memory consists of 32 KB housed in a single , incorporating the Apple IIc Plus System responsible for system , basic operations, the interpreter, and firmware for 80-column text display. is handled by an integrated (MMU), a custom Apple that facilitates switching between main and auxiliary banks, as well as enabling read/write access to expanded for advanced applications like those utilizing ProDOS's allocation features. This MMU design ensures seamless integration of the expanded without requiring external reconfiguration, though it relies on software drivers to fully exploit the auxiliary slots in non-standard configurations.

Graphics and Audio

The Apple IIc Plus provided text display modes supporting up to 80 columns by 24 lines, utilizing a 5x7 dot matrix for character rendering, which enabled clear monochrome or color text output suitable for productivity applications and basic interfaces. Graphics capabilities included low-resolution mode at 40×48 pixels with 16 colors, high-resolution mode at 280×192 pixels with 6 colors derived from NTSC artifacting, and double high-resolution mode offering 560×192 pixels in monochrome or an effective 140×192 pixels with 16 colors when color was enabled. These modes relied entirely on software for rendering, with no dedicated hardware acceleration, placing the computational burden on the processor for complex graphics operations like double hi-res page manipulation. The system's integrated display circuitry generated composite video signals for output, ensuring compatibility with standard televisions and monitors but lacking native RGB support or advanced synchronization features such as . Video buffering for modes, such as the 8 required for a single high-resolution page, was handled directly from main memory without specialized video RAM. Audio features were rudimentary, consisting of a built-in piezoelectric capable of simple 1-bit tone generation for beeps, clicks, and basic alerts, without a dedicated sound synthesis chip or multichannel support. This limited the IIc Plus to monotonic sound effects in software, often used for user feedback in games and applications, with volume controlled via a manual sliding switch.

Storage and Internal Components

The Apple IIc Plus featured an internal 3.5-inch double-sided floppy disk drive with a capacity of 800 KB, utilizing Group Code Recording (GCR) encoding for data storage. This drive, manufactured by Sony, replaced the original Apple IIc's 5.25-inch mechanism and was integrated directly into the chassis for enhanced portability. The drive's controller was handled by the custom MIG (Magic Interface Glue) chip, a specialized integrated circuit that managed signal interfacing for 3.5-inch drives, including support for both 400 KB single-sided and 800 KB double-sided formats through a 2 KB static RAM buffer. This design allowed seamless compatibility with existing Apple II software while accommodating the higher data density of the new medium. Unlike later Macintosh models, the Apple IIc Plus lacked native support for hard disk drives, relying instead on its internal floppy for primary storage. However, it maintained compatibility with external hard drives through third-party adapters connected via the SmartPort interface on the disk port, enabling expanded storage options for ProDOS-based systems without internal modifications. The Apple IIc Plus incorporated a fully internal switching with regulation circuitry that converted input to stable voltages (+5V, +12V, and -12V) for all components, eliminating the need for an external power brick and contributing to its compact, all-in-one design. This integrated approach ensured reliable operation across varying power conditions without additional peripherals.

Connectivity and Expansion

The Apple IIc Plus featured a range of external ports designed for straightforward to peripherals, emphasizing portability while maintaining compatibility with the ecosystem. Key interfaces included a output via an jack for connecting to standard televisions or monitors, supporting signals for color display. An interface was available through the video expansion port, allowing connection to an external modulator for television output, though unlike earlier models, it was not built-in. Printer connectivity was provided via a Mini DIN-8 serial port configured to emulate a printer card, enabling direct attachment of serial printers. The modem port, also a Mini DIN-8 connector emulating slot 2 functionality similar to a Super Serial Card, supported peripherals. Joystick and paddle support was handled by a DB-9 , which could also accommodate serial mice for input. Additionally, a DB-19 SmartPort facilitated connection to external floppy drives, such as 5.25-inch or 3.5-inch models like the UniDisk 3.5. Unlike desktop Apple II models with internal expansion slots, the compact design of the IIc Plus precluded such options, restricting hardware upgrades primarily to external devices connected via the single auxiliary port—the DB-15 video expansion port. This port offered access to raw signals, power, audio output, and TTL-level ASCII, serving as a versatile hub for specialized peripherals like LCD displays or custom video adapters, but it limited overall expandability compared to slot-based systems. The IIc Plus incorporated a built-in full-size with a detachable connected via an internal dual-inline header, providing a familiar typing experience without external connectors. Mouse support was integrated through the DB-9 for serial mice, with software allowing compatibility with Macintosh-style serial pointing devices via the Mini DIN-8 ports, enhancing interoperability with peripherals from Apple's broader lineup. Expansion capabilities were further constrained to enhancements via a dedicated 34-pin connector on the , introduced on late-model IIc systems and retained in the Plus variant. This allowed installation of memory expansion cards, though it was incompatible with those designed for the original IIc due to timing differences in the PAL chip; third-party options like the Applied Engineering RamExpress enabled upgrades up to 1 MB total , primarily for use as RAM disks or extended program storage.

Reception and Impact

Critical Reviews

Upon its release in , the Apple IIc Plus received mixed reviews from contemporary publications, which praised its performance enhancements and portability while lamenting its anachronistic specifications in an era dominated by more advanced systems. inCider magazine's November 1988 review highlighted the system's 4 MHz processor speed, noting it outperformed the in certain tasks and provided a noticeable boost for software compatibility. The compact, all-in-one design was also commended for improving portability without sacrificing functionality, allowing immediate access to high-resolution graphics modes directly from boot-up. However, the same inCider review criticized the base 128 KB (expandable to 1 MB with compatible cards) as woefully outdated compared to contemporaries offering megabytes of , limiting its appeal for memory-intensive applications. Reviewers pointed out the limited built-in support for 5.25-inch drives, requiring external connections and workarounds for certain single-sided , which hindered compatibility with older Apple II peripherals and software distributions still prevalent in the ecosystem. These shortcomings contributed to perceptions of the IIc Plus as "," arriving as the market shifted toward 16-bit architectures and Apple's own Macintosh line gained dominance. A+ Magazine echoed these sentiments in its coverage, applauding the speed improvements that made legacy software run more efficiently but underscoring the poor timing against the rising popularity of Macintosh systems, which offered superior multitasking and graphical interfaces. The emphasized the system's portability as a strong suit for educational and mobile users but warned of its limited future-proofing due to limited expandability, lacking general card slots for upgrades like the IIe, though it includes a memory expansion slot. Overall, while the IIc Plus was seen as a refined endpoint for the Apple II family, critics agreed it struggled to justify its place in a rapidly evolving landscape.

Market Performance and Legacy

The Apple IIc Plus found its primary market in the United States education sector, where the broader had already established dominance through partnerships like that with the Educational Computing Consortium () and widespread adoption in schools during the . Launched in September 1988 at $675 (or $1,099 with a ), it achieved modest success as an initial big seller, exceeding sales forecasts by January 1989 and helping sustain the Apple II ecosystem alongside the IIe and IIGS models until its discontinuation in September 1990. This period marked the beginning of the Apple II line's decline, as Apple increasingly shifted resources toward the Macintosh platform amid internal "Macintosh-mania," which limited development and support for further Apple II enhancements. The IIc Plus's short lifespan underscored this transition, with the final Apple IIe units discontinued in November 1993, effectively ending production of the classic 8-bit series. In its legacy, the Apple IIc Plus stands as the fastest stock 8-bit Apple II model, featuring a 4 MHz 65C02 that earned praise for improved in reviews, though it faced criticism for remaining firmly in the 8-bit era without effectively bridging to like the concurrent Apple IIGS. Today, it holds value among retro computing enthusiasts for its compact design and full compatibility with the vast Apple II software library, including thousands of educational and productivity titles that continue to be emulated and preserved.

Production Notes

Hardware Revisions

In 2008, hobbyists identified two primary revisions of the motherboard through disassembly and experimentation, revealing subtle variations not documented in official Apple materials. The early revision, often labeled "A" and silk-screened with a 1987/1988 date code, featured socketed cache chips, facilitating easier component swaps for maintenance or upgrades. These boards predominantly used NCR-manufactured , though some incorporated UMC variants. The later revision, designated "B" and marked with an extended 1987/1988/1989 date code, shifted to soldered for enhanced reliability in the compact design, alongside a consistent use of in most examples. While appeared occasionally on "B" boards, the combination of board type and ASIC influenced potential; for instance, "A" boards with or "B" boards with supported straightforward speed increases via oscillator replacement, up to 10 MHz in some cases, without requiring extensive rewiring. These optimizations stemmed from improved timing tolerances in the later layout, though no dedicated pins for clock selection were present—modifications relied on direct component . Overall, the revisions introduced no significant functional divergences from the base specifications, maintaining the IIc Plus's 4 MHz 65C02 processor, 128 KB , and integrated peripherals; however, the later boards proved more amenable to enthusiast modifications due to their refined . These findings emerged from collaborative community efforts, including board swaps and testing among Apple II preservationists, underscoring the model's enduring appeal for hardware tinkering.

Regional Availability and Discontinuation

The Apple IIc Plus was available exclusively , marking a departure from the broader distribution of earlier Apple II models like the original IIc, which featured localized versions for various global markets. No variants of the IIc Plus were produced or exported, primarily due to its fixed video output, which was incompatible with the PAL television standard prevalent in , , and other regions, as well as regulatory certification hurdles for overseas compliance. This U.S.-centric approach limited its production run and prevented adaptations for non-NTSC territories, contributing to its relative rarity outside . Apple discontinued the IIc Plus in November 1990, just over two years after its September 1988 launch, as the company intensified its focus on the Macintosh platform amid a strategic pivot away from the aging line. This move aligned with Apple's broader transition toward more advanced computing architectures, effectively closing the chapter on 8-bit Apple II development. The discontinuation signified the end of the classic 8-bit Apple II era, with the IIc Plus serving as its final representative model. Following discontinuation, Apple cleared remaining inventory primarily through discounted sales to educational buyers, sustaining the machine's presence in U.S. schools and reinforcing its legacy in American education.

References

  1. [1]
    9–Disk Evolution / The Apple IIc Plus - Apple II History
    Some models of the IIc Plus were even shipped with 256K of extra memory already added. It was faster than any other Apple II ever produced (including the 2.8 ...Missing: specifications | Show results with:specifications
  2. [2]
    None
    Below is a merged summary of all the provided segments regarding the Apple IIc Plus, consolidating all relevant information into a single, comprehensive response. To maximize detail and clarity, I’ve organized the information into sections and used a table where appropriate to present specifications and features efficiently. Since the document (Apple II Technical Notes, September 1989) is the primary source across most segments, I’ve cross-referenced and synthesized the data while noting where information is absent or limited.
  3. [3]
    Apple II Clones: Franklin Ace 100, VTech Laser 128 - Tedium
    May 4, 2017 · The level of compatibility that the VTech Laser 128 shared with the Apple IIc Plus, according to Old-Computers.com. The Laser 128 was a ...
  4. [4]
    Vtech Laser 128 Personal Computer (Apple II Clone) - NightfallCrew
    Dec 28, 2012 · Apple countered the Laser 128 with its upgraded Apple IIc Plus. ... Laser 128 series had a high degree of compatibility with its competition ...
  5. [5]
    Apple Code Names
    I decided to compile all the Apple and third-party code names I could find in books, magazines, and web sites and list them in this neat interface you see ...
  6. [6]
    COMPANY NEWS; Fast IIc Plus Computer Is Introduced by Apple
    Sep 17, 1988 · Apple Computer Inc. today introduced the IIc Plus, a faster and less expensive version of its lowest-priced personal computer.
  7. [7]
    CPI Inflation Calculator - Bureau of Labor Statistics
    The CPI inflation calculator uses the Consumer Price Index for All Urban Consumers (CPI-U) U.S. city average series for all items, not seasonally adjusted.
  8. [8]
    Apple IIc
    The IIc+ was discontinued in November of 1990. IIc+ w/o monitor Code Names: ET, IIb (because it was book sized), IIp (because it was portable), ...Missing: date | Show results with:date
  9. [9]
    AppleCare TIL Archive -Apple IIc Plus: Specifications (Discontinued)
    Here are specifications for the Apple IIc Plus. It was discontinued 11/90. DISCUSSION. CENTRAL PROCESSING UNIT (CPU) - Microprocessor: 4 Mhz 65C02 - Clock Speed ...Missing: TIL03247 | Show results with:TIL03247
  10. [10]
    [PDF] Apple Ile Plus Overoiew - APPLE2.ORG.ZA - Mirrors
    See the Apple Ile Plus Owner's Guide for allowable configurations. Page 3. Technical Specifications. Central processing unit. (CPU). • Microprocessor: 65C02.
  11. [11]
    [PDF] The *1 Apple II Magazine
    The IIc Plus comes with three books: Ilc Plus Owner's Guide, which examines the computer and its peripherals; Apple II System Disk. User's Guide, which explains ...
  12. [12]
    Apple IIc Plus Changes - Apple2Online.com
    A RAM buffer and the MIG are necessary to replace the circuit that is ... This chip is specific to the 65C02 and the Apple IIc Plus memory map. On one ...
  13. [13]
    Apple IIc Plus - Apple Rescue of Denver
    Out of stockThe last Apple II model and the fastest. Introduced in 1988, this portable computer retained the true plug and play usability of the IIc.Missing: initial | Show results with:initial
  14. [14]
    Apple IIc and IIc Plus: Compact Apples with Internal Floppy Drives
    Nov 29, 2015 · The IIc Plus was discontinued in November 1990, just over two years after its introduction, leaving the Apple II family with just two ...
  15. [15]
    Apple IIc+ Boot Disks and Other Questions
    May 11, 2014 · It means that a 3.5 disk from the IIc will go into a Mac and be read by Passport or Apple File Exchange.
  16. [16]
    Apple IIe: Finally Fixing Some Old Problems - Low End Mac
    Nov 28, 2015 · The Apple IIe Card normally runs at 1 MHz but also offers a 1.9 MHz accelerated mode that is incompatible with most games that use graphics.
  17. [17]
    https://lowendmac.com/2015/apple-iie-finally-fixing-some-old-problems/
  18. [18]
    ProDOS 8 Technical Note #23
    This is friendly to the Apple IIc Plus, the ROM of which does not remove the Escape key it uses to detect that the system should be booted at normal speed.
  19. [19]
    How did Apple IIc daughtercard expansions work?
    Sep 22, 2021 · All the Apple //c machines from September 1986 onward have an additional 34-pin header on the motherboard designed for memory expansion boards.
  20. [20]
    Apple IIc Plus – Teardown - Blondihacks
    Oct 20, 2014 · The Apple IIc Plus was released in 1988, four years after the original Apple IIc. Yes, 1984 was also the year some other computer was released, but whatever.
  21. [21]
    On retro-computing: Apple IIc - Quantum Bits
    Jun 19, 2023 · The first Apple II computers went on sale on June 1977, with a MOS Technology 6502 microprocessor running at 1.023 MHz, 4 KB of RAM, an audio ...
  22. [22]
    [PDF] Apple IIc Plus
    The Apple IIc Plus offers high- quality color graphics, built-in connectors for easy accessory expansion, a full-size keyboard, and a 3.5-inch high-capacity ( ...
  23. [23]
    Apple II Double Hi-Res Graphics - CiderPress II
    The screen can be regarded as 560x192 in ... 140x192 with 16 colors (4 bits) per pixel. The colors are from the same palette as the lo-res graphics colors.Missing: Plus mode
  24. [24]
    Apple IIc Technical Reference 2nd Ed - Internet Archive
    Feb 1, 2016 · PDF download · download 1 file · SINGLE PAGE PROCESSED JP2 ZIP download ... Manuals: Apple Inc. The Manual Library Additional Collections.
  25. [25]
    Apple IIc Technical Reference Manual - Internet Archive
    Jul 17, 2013 · PDF download · download 1 file · PDF WITH TEXT download · download 1 file · SINGLE PAGE PROCESSED JP2 ZIP download · download 1 file · TORRENT ...
  26. [26]
    Apple IIc Plus MIG Chip
    Aug 1, 2018 · The MIG is a custom chip in the Apple IIc Plus that provides signals for accessing 3.5" disk drives and access to a 2K static RAM chip mainly ...
  27. [27]
    inCider 1988-11 : Free Download, Borrow, and Streaming
    Nov 26, 2013 · inCider 1988-11. Topics: apple, disk, software, program, appleworks, print, incider, laser, color, incider november, disk drive, print shop, ...Missing: II | Show results with:II
  28. [28]
    The Apple II Series: The Foundation of Apple's Success - Retrothusiast
    Sep 23, 2020 · The Apple II series, launched in 1977, was more than just a computer - it was the catalyst that propelled Apple to become the tech giant we know today.
  29. [29]
    Apple and education: Four decades of highs and lows - AppleInsider
    Mar 26, 2018 · A report by FutureSource Consulting in 2017 found that Apple's devices have fallen to third place, behind Google Chromebook and Microsoft ...Missing: IIc | Show results with:IIc
  30. [30]
    The Apple IIe - Computers Of Significant History, Part 2 - Userlandia
    Feb 21, 2022 · For all of Apple's hype, they sold just 43,000 Apple II and II Plus computers from 1977 to 1979. Radio Shack, meanwhile, sold 450,000 TRS-80s ...
  31. [31]
    What's the fastest Apple II (sans accelerator card)?
    May 24, 2018 · It down clocks to the 1MHz range for low RAM so as to better behave with legacy software and the legacy video. In this mode its as legitimate an ...Missing: Plus | Show results with:Plus
  32. [32]
    IIc+ compatibility - 68kMLA
    Apr 28, 2022 · IIc+ should be compatible with all 8-bit software. The built-in accelerator can be disabled on boot if needed. The internal drive is a 3.5", ...Good first Apple II?IIc vs IIc+More results from 68kmla.orgMissing: limitations | Show results with:limitations
  33. [33]
    Overclocking the Apple IIc Plus (just got easier) - A2Central.com
    Sep 10, 2008 · The most common procedure has been to replace the old oscillator, CPU and cache RAM with faster versions to achieve the desired speed increase ( ...
  34. [34]
    [PDF] Apple IIc ROM Versions - APPLE2.ORG.ZA - Mirrors
    This update, introduced November 1985, came in the form of an upgrade to the ROM firmware which doubled in size from 16 KB to 32 KB. The new ROM supported ...Missing: System | Show results with:System
  35. [35]
    Apple IIc Models and ROM numbers - Google Groups
    installed, fixes for keyboard buffering bugs introduced in ROM 3 (due to screen hole allocations changing) ROM 5: A2S4500, 1988-09 to 1990-11. New keyboard ...
  36. [36]
    Today in Apple history: The final Apple II model arrives | Cult of Mac
    Sep 15, 2018 · Apple discontinued the model in November 1990, putting an end to the Apple II line more than a decade after its debut. The Apple IIc Plus was ...
  37. [37]
    Apple IIc - The Computer Closet
    Key Dates: Introduced April 1984. Replaced by IIc+ in 1988 IIc+ Discontinued November 1990. CPU: 65C02, 1.4 MHz. Memory: 128K, expandable to 1MB.