[[File:Iram1024.jpg|thumbnail|iRAM/1024 for the CPC 464/664]]
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CPC iRAM is a series of open source, DIY friendlythe first [[Standard_Memory_Expansions|standard]] compatible, internal plug & play RAM expansions expansion series for the CPC 6128 range of computer and CPC 464/664 (later hopefully also for the Plus/GX4000)provides up to 1MB of expanded RAM. The iRAM expansion sits All variations are open source, DIY friendly and sit in the CPU socket with no further cabling and requires no additional soldering inside the CPC.
== Compatibility ==
No incompatibilities have been reported so far for the 6128 version.
The first revision of the 464 version has been found to be incompatible with the [[M4_Board|M4 Board]]. [https://github.com/etomuc/CPC464-iRAM1024/blob/main/README_rev1.md#modification-for-m4-incompatibility A patch has been published and is currently tested. Further revisions will include the patch once tests have been successful].
The first 512K of expansion RAM follow the [[Standard_Memory_Expansions#Standard_128K-512K_Expansions_.28dk.27tronics.2Fdobbertin-style.29|DK'Tronics addressing mode standard]], giving up to 576K of RAM to legacy software. More modern software that supports the [[Standard_Memory_Expansions#Extended_1M-4M_Expansions_.28RAM7.2FYarek-style.29|extended 1M-4M standard]] will be able to access all the provided RAM.
* perfectly fits into a CPC 6128, even with socketed ROM or RAM. In Schneider CPC 6128 the metal shielding needs to be removed or altered.
StatusRepository: Released - see https://github.com/etomuc/CPC6128_iRAM-640
''Note: Even smaller Meanwhile a commercial alternative product is available by at Lotharek.pl which also claims to offer 640K and is even smaller, not much larger than the CPU socket itself. However not much information can be found except for the shop.''
<gallery>
iRAM1088.jpg|iRAM/1088 for CPC 6128
</gallery>
* perfectly fits into a CPC 6128, even with socketed ROM or RAM. In Schneider CPC 6128 the metal shielding needs to be removed or altered.
StatusRepository: Released - see https://github.com/etomuc/CPC6128_iRAM-1088
=== CPC 464/664 - iRAM/1024 ===
* easy to assemble, all through-hole components
StatusRepository: Released - see https://github.com/etomuc/CPC464-iRAM1024
[[Category:Hardware]] [[Category:Memory expansions]] [[Category:DIY| ]]