Check the listing for details. Emu SP12 v1.8 Debug Diagnostic Test Firmware EPROM KIT and reference guide SP-12. Condition: New. Listed at 22.30 USD. Emu SP-12 v1.8 Debug Diagnostic Test Firmware EPROM KIT This is a brand new Debug ROM chip that E-mu authorized service technicians and enthusiasts have used to perform an array of test functions on your SP-12 unit It includes tests for memory, external interfaces, buttons, LED’s, the display, sliders, sound and sound data bits. Bonus – I am including a printed copy of the documentation that E-mu originally supplied to authorized service centers, walking you through how to utilize all the diagnostic test routines. Protect your investment by purchasing high quality components: ALL EPROM upgrade chips and components that I provide here are in fact brand new, high grade, recently manufactured and sourced directly from ATMEL. Using new-age flash technology is the best way to ensure that the data integrity of your upgrades last well past our natural lifetime. Any questions? Send me a message, thanks! All EPROM upgrades I provide are prepared in an ESD-safe production environment and will be packaged in equally ESD-safe materials. Purchase with confidence!