Tag: 16mb

Single 16 MB, 60 ns, non-parity fast-page-mode SIMM for specifically listed 30-pin Macintosh systems.

The Artmix product page reported out of stock on 2026-07-24. Check the direct page for a restock and confirm the exact computer's ROM, addressing, bank-population, and clearance requirements.

Provides selectable Apple Slinky or RAMFactor-compatible memory using modern low-power SDRAM.

The assembled Tindie card was out of stock on 2026-07-24 and had been sold out since January 23, 2025. Schematics, board files, CPLD firmware, utility software, and fabrication files remain available under the project's dual-license terms.

Open four-layer 30-pin FPM memory family with 4 MB, parity, 16 MB, and early-Macintosh PAL SIMM variants.

The assembled GW4192A kit was out of stock on 2026-07-24 and had been sold out since October 26, 2022. GW4194A had been sold out since January 19, 2023. Open schematics and layouts remain available. These modules support FPM, not EDO, even when an EDO chip is wired to operate in FPM mode. Check refresh type, parity, capacity, bank population, and physical clearance against the exact computer before building or installing a variant.

Adds low-profile, adjustable RAMWorks-compatible auxiliary memory to an Apple IIe.

The assembled Tindie card was out of stock on 2026-07-24 and had been sold out since December 1, 2025. The open repository remains buildable. A Revision A IIe needs the card's DHGR jumper resistor or trace removed and then loses double-high-resolution graphics support. An A2Heaven VGA Scaler's long 14 MHz clock lead can cause RAM errors unless its clock connection is buffered or otherwise corrected as documented.