Cumulus CuRAM

@6020.ADF Cumulus CuRAM-16 Plus 2 MB Memory Multifunction Adapter
@6021.ADF Cumulus CuRAM-16 Plus 4 MB Memory Multifunction Adapter
@6022.ADF Cumulus CuRAM-16 Plus 6 MB Memory Multifunction Adapter
@6023.ADF Cumulus CuRAM-16 Plus 8 MB Memory Multifunction Adapter
@6024.ADF Cumulus CuRAM-16 Plus 10 MB Memory Multifunction Adapter
@6025.ADF Cumulus CuRAM-16 Plus 12 MB Memory Multifunction Adapter
   Note: Aside from the Adapter ID and Name differences the above files are all the same.
@7020.ADF Cumulus 2 Meg Expanded/Extended Memory Multifunction Adapter V1.0
@7021.ADF Cumulus 4 Meg Expanded/Extended Memory Multifunction Adapter V1.0
@7022.ADF Cumulus 8 Meg Expanded/Extended Memory Multifunction Adapter V1.0
@7023.ADF Stepping Stone MUX 50/60/80 Adapter
@7024.ADF QuadMEG PS8 Extended Memory Multifunction Adapter
@7025.ADF CuRAM 32 Plus Extended Memory Multifunction Adapter
@7025.ADF QuadMeg PS/8 Extended Memory Multifunction Adapter (different name, no MMC selection)
   Corrupted file!
@7025.ADF QuadMeg PS/8 Extended Memory Multifunction Adapter (fixed version of the file above)
@7025.ADF QuadMeg PS/8 Extended Memory Multifunction Adapter (different choice order)
   Corrupted file!
@71BF.ADF CUMULUS CuRAM-MC32 MEMORY ADAPTER

Cumulus CuRAM-16 Plus Brochure (for Models 50, 50Z, 60) (scan by David Beem)
Cumulus CuRAM-32 Brochure (for Models 70 and 80) (scan by David Beem)

CURAM-2.ZIP Cumulus CuRAM 2/4/8 Megabyte Expanded/Extended Memory Adapter
16PLUS.ZIP Cumulus CuRAM-16 Plus 2-12 MB Memory Multifunction Adapter
32PLUS.ZIP Cumulus CuRAM 32 Plus Extended Memory Multifunction Adapter
   (the above archives were provided by Tim Clarke, thanks!)

Cumulus CuRAM 2/4/8 MB Adapter
Cumulus CuRAM-16 Plus
Cumulus CuRAM-32


Cumulus CuRAM 2/4/8 MB Adapter [P] [P]

P1/4/5/10 I/O module headers
P2/6/7 Memory module headers
P3/8/9 Memory module headers

Discrete logic only, no ASIC/gate arrays.

Space for two memory modules (proprietary) and one I/O module (serial & parallel port).


Cumulus CuRAM-16 Plus P/N 8020220 Rev A, ASSY. 902123 [P] [P]

0-11 30-pin SIMM slot
P1/4/5/10 I/O module headers
U14 TI CF62602FN
U15 TI CF62601FN

12x 30-pin SIMM slot. Accepts industry standard 256 KB and 1 MB SIMMs.
Max. 12 MB per expansion board.
Space for one I/O module (serial & parallel port).


Cumulus CuRAM-32

No outline available yet.

8x 30-pin SIMM slot. Accepts industry standard 256 KB and 1 MB SIMMs.
Max. 8 MB per expansion board.
Space for one I/O module (serial & parallel port).

Content created and/or collected by:
Louis F. Ohland, Peter H. Wendt, David L. Beem, William R. Walsh, Tatsuo Sunagawa, Tomáš Slavotínek, Jim Shorney, Tim N. Clarke, Kevin Bowling, and many others.

Ardent Tool of Capitalism is maintained by Tomáš Slavotínek.
Last update: 24 Mar 2024 - Changelog | About | Legal & Contact