Garrett's Workshop
We design, manufacture, and sell memory products for legacy computer systems.
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Drivers and Documentation
RAM2GS II (GW4201D) 8 MB RAM for Apple IIgs
RAM2E II (GW4203B) 8 MB RAM for Apple IIe
RAM128 (GW4208A and GW4208B) 128 kB RAM for Apple II
GR8RAM (GW4205A) 8 MB RAM for Apple II
TimeDisk (GW4206A) 1 MB Battery-Backed RAM & Clock for Apple II
GW4402A ROM SIMM for Mac SE/30 and Mac II-series
GW4301A 2 MB geoRAM Clone for Commodore 64
ROM01 Upgrade for Apple IIgs
GW419X-series 30-pin RAM SIMMs
GW4404A and GW4405A 68-pin VRAM SIMMs for Macintosh
GW4406A 3 MB RAM for Macintosh Classic
[1] RAMWorks manual courtesy Applied Engineering
[2] Saturn 128 manual and utilities courtey Titan Technologies
[3] RAMFactor manual and software courtesy Applied Engineering
[4] ROM courtesy Apple
[5] ROM SIMM Programmer software and original firmware courtesy dougg3
[6] Firmware based on dougg3's work with source available here
[7] GEOS courtesy Berkeley Softworks
[8] installation guide is hosted and maintained by cbmfiles.com
[9] GMT memory test courtesy GGLabs and licensed under the GPL
[10] NoSlotClock utility courtesy SMT Peripherals