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Memory

Amiga 4000 Chip memory

Memory shared by the Amiga 4000 processor and its AA custom chipset.

Manufacturer
Commodore Business Machines
Architecture
Shared 32-bit dynamic RAM
Introduced
1992
Type
32-bit dynamic RAM shared between the CPU and custom chips
Record status
approved

Figures

Amiga 4000 Chip memory: recorded figures
Metric Value Evidence Basis Method Source
Memory capacity memory 2 MiB Confirmed Vendor-rated Design capacity Stated by the vendor The guide documents one- and two-MiB Chip RAM configurations. This record uses the two-MiB configuration, the maximum shared pool the motherboard supports, rather than folding its variable Fast RAM into one total.

Derived comparisons

2 097 152 B

Formula
a + b + … sum v1
Inputs
  • amiga-4000-chip-ram Memory capacity: 2 MiB
Rounding
none , 7 significant digits

Adds 1 memory-capacity figure obtained by design-capacity. Nothing in the catalog is left out of it. A total is only as trustworthy as the decision about what belongs in it, so both the terms and the exclusions are named records.

Fitted to

Editorial notes

The Amiga 4000 User Guide describes one or two MiB Chip RAM configurations. Fast RAM is separate because the custom chips cannot access it.

Sources