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The Z88 has 32K of internal RAM. This is not enough memory for every day use.
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 | Amplia un cartucho de Z88 hasta 512Kbytes - Convert 32K RAM card to 512K RAM 512Kb Cartridge for Z88 |
 | ALLIANCE MEMORY - AS6C4008-55SIN - SRAM, 4MB, 2.7V-5.5V, 512KX8, SOP32 Note: This has not been tested. It will probably fail. |
Internal RAM (fitted on the Motherboard)
The internal 32K of RAM is not large enough. Upgrading this to 128K or 512K internally is possible, but the original 'built-in' OZ operating system did not use this correctly.
Cambridge Computer commissioned OZ 4.0 ROM and were planning to use this with the new User Guide v3 but only the User Guide was changed. The new ROM was made available to users through the Z88 User Group.
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