+Brentarian Posted February 4, 2022 Share Posted February 4, 2022 I got my first IIc recently and want to change out the original rom (255) to gain smartport capability. Should I go with rom 0 or 4x? It is the early model so it doesn't have the ram expansion slot. Thanks in advance! Quote Link to comment Share on other sites More sharing options...
Papalapa Posted February 4, 2022 Share Posted February 4, 2022 If your motherboard version has not RAM slot, the ROM 255 is enough I think. I own an Apple IIc with the 4x and recently I moved to the 255 to check compatibility with different software, and I realized that 255 perfectly works for me. As I also do not have RAM slot and I don't use 3,5 Unidisk drive (I have an wDrive connected), nor use serial ports, it makes not sense to upgrade the ROM version. Quote Link to comment Share on other sites More sharing options...
Keatah Posted February 5, 2022 Share Posted February 5, 2022 apple_iic_rom_versions.pdf 2 1 Quote Link to comment Share on other sites More sharing options...
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