Tag: memory

3 matching upgrades

Showing 3 products.

StatusProductWhat it doesCompatibilityLinks
Find usedChecked Jul 14, 2026Applied Engineering TransWarpby Applied Engineering
65c0265802cpumemoryperiod upgradeapple ii slot

Period accelerator card offered with a 65C02 or 65802 processor and 256K of high-speed memory.

This is a period product obtained used. Confirm the exact TransWarp revision and installed processor before buying.

Sources
  • Apple IIe Exact model
Applied Engineering archiveSearch eBay
Sold outChecked Jul 14, 2026Mac ROM-inator II Carbonby Big Mess o' Wires
rom simm32 bit cleanboot romhd20memory

Replaces the stock ROM SIMM with a 32-bit-clean flash ROM, bootable ROM disk, and HD20 support.

The BMOW store showed the Carbon SIMM as sold out on 2026-07-14. It is incompatible with DayStar PowerCache and Turbo accelerators.

Sources
  • Macintosh SE/30 Exact model
Vendor storeProject detailsInstructions
AvailableChecked Jul 15, 2026PicoMEMby PicoMEM project
8 bit isamultifunctionstoragememorynetworkingusbsd cardopen hardware

Current multifunction 8-bit ISA card that adds emulated storage, memory, networking, and USB or SD-connected devices to PC/XT-class computers.

Sources
  • ISA expansion boards Bus/interface
  • IBM Personal Computer 5150 Bus/interface
  • IBM Personal Computer XT 5160 Bus/interface
Buy PicoMEMHardware and firmware project