pinner:sd8psrc matt$ avrdude -c stk500hvsp -p t85 -P /dev/cu.usbserial-FTCAKAH8 -U flash:w:sd8p_hr.hex:a

avrdude: AVR device initialized and ready to accept instructions

Reading | ################################################## | 100% 0.05s

avrdude: Device signature = 0x1e930b
avrdude: NOTE: FLASH memory has been specified, an erase cycle will be performed
To disable this feature, specify the -D option.
avrdude: erasing chip
avrdude: reading input file "sd8p_hr.hex"
avrdude: input file sd8p_hr.hex auto detected as Intel Hex
avrdude: ERROR: address 0x820003 out of range at line 406 of sd8p_hr.hex
avrdude: write to file 'sd8p_hr.hex' failed

avrdude: safemode: Fuses OK

avrdude done. Thank you.