Tag: replacement

9 matching upgrades

Showing 9 products.

StatusProductWhat it doesCompatibilityLinks
AvailableChecked Jul 24, 2026A2 ATXby Joe's Computer Museum

Adapts a modern PicoPSU and external power brick to the Apple II, II Plus, and IIe.

Human review confirmed that the required A2 ATX core unit could be ordered on 2026-07-24, resolving the conflicting stock displays on the build-a-kit and standalone pages. The optional JCM power lead was also in stock, but it is not keyed and installing it backwards can destroy the power supply, computer, and attached hardware.

Sources
  • Apple II Exact model
  • Apple II Plus Exact model
  • Apple IIe Exact model
AvailableChecked Jul 24, 2026A3 ATXby Joe's Computer Museum

Adapts a modern PicoPSU and external power brick to the Apple III and Apple III Plus.

The build-a-kit page showed the core, switch, PicoPSU kit, and non-destructive power lead in stock on 2026-07-24. Buyers must select the complete set of required components rather than treating an inexpensive switch or lead as a full replacement.

Sources
  • Apple III Exact model
  • Apple III Plus Exact model
Build itChecked Jul 30, 2026C64 Composite/S-Video RF Modulator Replacementby Matthew Barszcz (mbarszcz-pcb)

Open, through-hole RF-modulator replacement with adjustable C64 luma and chroma output levels.

The repository supplies KiCad sources, Gerbers, a schematic, a BOM, and assembly and adjustment instructions. Components were estimated at about $12 when documented, excluding PCBs and shipping. Building the board requires through-hole assembly; installing it requires safely desoldering the original RF can and selecting the correct jumper configuration. Using the shortboard setting on a longboard can feed the wrong voltage and damage the VIC-II.

Sources
  • Commodore 64 Exact model
Sold outChecked Jul 24, 2026GS ATXby Joe's Computer Museum

Adapts a modern PicoPSU and external power brick to the Apple IIgs.

The required core unit was out of stock on both its own page and the build-a-kit selector on 2026-07-24, so the available switch and PicoPSU cannot make a complete GS ATX replacement. The power lead's own page showed stock even though the build selector did not.

Sources
  • Apple IIgs Exact model
AvailableChecked Jul 24, 2026LC ATX and mAcTX-LCby Joe's Computer Museum and Rabbit Hole Computing

Adapts a modern PicoPSU and external power brick to several Macintosh LC-family computers.

JCM's build-a-kit page showed the core unit, power switch, PicoPSU kit, and LC power lead in stock on 2026-07-24. Rabbit Hole Computing's mAcTX-LC partial kit was sold out. Both paths require a suitable ATX supply or PicoPSU and correct host cabling; mAcTX-LC normally reuses the original supply cable and needs an optional switch for remote power control.

Sources
  • Macintosh LC Exact model
  • Macintosh LC II Exact model
  • Macintosh LC 475 Exact model
Sold outChecked Jul 30, 2026RFOUT! RF Modulator Replacementby Arananet RetroProducts

Replaces the C64 RF modulator with composite, optional S-Video, and mono or dual-SID audio connections.

The official store listed RFOUT! at 22 EUR but out of stock on 2026-07-30. It provides a composite socket, a 3.5 mm audio jack, and solder points for an optional S-Video connector; stereo output requires a dual-SID source and the SJ1 setting. Installation requires desoldering the original modulator. Measure the motherboard supply before installation: boards carrying 12 VDC or 9 VAC on pin 1 require that pin to be removed and a separate 5 VDC connection supplied to RFOUT!. Confirm the footprint, voltage, extension-board fit, and case height before soldering.

Sources
  • Commodore 64 Exact model
Check statusChecked Jul 30, 2026Shuriken RF Modulator Replacementby Commodore4ever

Replaces the C64 RF-modulator circuitry while retaining composite and S-Video through the computer's A/V port.

The current maker page remains online but exposes no price, stock state, or order control. Human inspection recovered a maker compatibility list naming PAL and NTSC Assy 250407 C64 boards and all C128 board revisions; Tavily did not render those list values. A 2020 independent review also tested a SixtyClone Assy 250466, where both composite and S-Video worked. Removing the original modulator and installing Shuriken requires desoldering and soldering. RF output is removed.

Sources
  • Commodore 64 Exact model
  • Commodore 128 Exact model
DiscontinuedChecked Jul 30, 2026Super VIDEO Boardby 16x8 Digital Retrovation

Discontinued C64C RF-modulator replacement with rear-panel S-Video and 3.5 mm audio jacks.

The original maker site is gone, and a 2020 discussion describes the closed design as dead. An independent review tested an older version on an Assy 250469 Rev. 4 C64C: the first board was faulty, the replacement worked, CRT S-Video improved slightly, flat-panel results were worse, and composite output was unusable in that setup. A later eBay version once claimed C64C and C128D support plus an AEC fix, but no surviving manual or seller page establishes its exact differences or safe C128 installation. Buy used only with a return option and exact revision documentation.

Sources
  • Commodore 64 Exact model
AvailableChecked Jul 24, 2026Why Cable? Apple IIe Card Y-Cable Replacementby Joe's Computer Museum

Restores the external floppy-drive and joystick connections of a Macintosh Apple IIe Card.

Both current JCM pages offered build-it-yourself and fully assembled choices on 2026-07-24. Choose the original-style DB-19 version for drives on the Apple IIe Card's compatibility list, or the 20-pin version only for devices that correctly emulate a standard 5.25-inch Disk II drive.

Sources
  • Macintosh Apple IIe Card Exact model