Available Now at ToTs RETRO ARMSID v.1f, Replacement SID CHIP for MOS6581 and MOS 8580 For Use with Commodore 64 64c Commodore 128 128D What is ARMSID? ARMSID is a plug-and-play replacement for the MOS 6581 and 8580 SID sound chip used in the Commodore C64 and C128.Simply remove the original SID and insert ARMSID into the socket — no modifications required.It delivers accurate sound, significantly lower noise, and much less power-supply interference than the original chip. The 6581/8580 mode is detected automatically, but you can switch between them at any time using a simple C64/C128 configuration utility. The utility also allows you to fine-tune the audio filters and test your ARMSID.ARMSID has lower power consumption than the original SID and the firmware can be easily updated directly from a C64/C128 application. Contents Include: ARMSID ARMSID Case ARMSID Instructions Software Available for Download After Purchase, Any Questions Please Do Not Hesitate to ask.