Projecttitel: TR-909
Status: DONE
Startdate:
Duedate: 2020
Manufacture link:
i have an TR-909 with Firmware Version v.1 and tried to upadte the firmware byself.
In my labor i have the TL866 Pro 2 programmer and the 2764 er series Eproms on stock.
It was hard to find the hex or bin image file.
so i converted it byself:
you can download here the Firmware:
TR-909 v4 Firmware for the origional eprom type (2764) (64K)
here´s the EPR FILE (same content and can be used in the Tool Prony Prog)
and for the 27256 (256K) eprom which is different
TR909-V4-for-27C256-4000-to-5FFF.hex
here´s the EPR FILE (same content and can be used in the Tool Prony Prog)
TR909-V4-for-27C256-4000-to-5FFF.EPR