Firmware Mk2.5s Rambo card without firmware  

Firmware Mk2.5s Rambo card without firmware

Hello friends, would you have a step by step how to upload firmware on Rambo, in time I was buying Prusa parts, part is original, but now I don't know how to upload firmware to mk2.5s help me please, sorry for not having the 100% original because financially I could not acquire, I finished part on eBay, help me how to put the firmware below follows error message I'm trying to put via slicer.avrdude-slic3r -v -p atmega2560 -c wiring -P COM3 -b 115200 -D -U flash:w:0:C:\Users\Samuel Conegunes\Downloads\prusa3d_fw_3_10_0_MK25S\prusa3d_fw_MK25S_3_10_0_4481_RAMBo13a_en-cz.hex:i avrdude-slic3r: Version 6.3-20160220-prusa3d, compiled on Jul 16 2021 at 12:28:18 Copyright (c) 2000-2005 Brian Dean, http://www.bdmicro.com/ Copyright (c) 2007-2014 Joerg Wunsch Using Port : COM3 Using Programmer : wiring Overriding Baud Rate : 115200 avrdude-slic3r: stk500v2_getsync(): got response from unknown programmer , assuming STK500 AVR Part : ATmega2560 Chip Erase delay : 9000 us PAGEL : PD7 BS2 : PA0 RESET disposition : dedicated RETRY pulse : SCK serial program mode : yes parallel program mode : yes Timeout : 200 StabDelay : 100 CmdexeDelay : 25 SyncLoops : 32 ByteDelay : 0 PollIndex : 3 PollValue : 0x53 Memory Detail : Block Poll Page Polled Memory Type Mode Delay Size Indx Paged Size Size #Pages MinW MaxW ReadBack ----------- ---- ----- ----- ---- ------ ------ ---- ------ ----- ----- --------- eeprom 65 10 8 0 no 4096 8 0 9000 9000 0x00 0x00 flash 65 10 256 0 yes 262144 256 1024 4500 4500 0x00 0x00 lfuse 0 0 0 0 no 1 0 0 9000 9000 0x00 0x00 hfuse 0 0 0 0 no 1 0 0 9000 9000 0x00 0x00 efuse 0 0 0 0 no 1 0 0 9000 9000 0x00 0x00 lock 0 0 0 0 no 1 0 0 9000 9000 0x00 0x00 calibration 0 0 0 0 no 1 0 0 0 0 0x00 0x00 signature 0 0 0 0 no 3 0 0 0 0 0x00 0x00 Programmer Type : Wiring Description : Wiring Programmer Model: STK500 avrdude-slic3r: stk500v2_command(): warning: unknown, code 0x90 avrdude-slic3r: stk500v2_getparm(): failed to get parameter 0x90 avrdude-slic3r: stk500v2_command(): warning: unknown, code 0x91 avrdude-slic3r: stk500v2_getparm(): failed to get parameter 0x91 avrdude-slic3r: stk500v2_command(): warning: unknown, code 0x92 avrdude-slic3r: stk500v2_getparm(): failed to get parameter 0x92 Hardware Version: 0 Firmware Version Master : 0.00 avrdude-slic3r: stk500v2_command(): warning: unknown, code 0x9a avrdude-slic3r: stk500v2_getparm(): failed to get parameter 0x9a Topcard : Unknown avrdude-slic3r: stk500v2_command(): warning: unknown, code 0x94 avrdude-slic3r: stk500v2_getparm(): failed to get parameter 0x94 Vtarget : 0.0 V avrdude-slic3r: stk500v2_command(): warning: unknown, code 0x98 avrdude-slic3r: stk500v2_getparm(): failed to get parameter 0x98 avrdude-slic3r: stk500v2_command(): warning: unknown, code 0x95 avrdude-slic3r: stk500v2_getparm(): failed to get parameter 0x95 avrdude-slic3r: stk500v2_command(): warning: unknown, code 0x96 avrdude-slic3r: stk500v2_getparm(): failed to get parameter 0x96 avrdude-slic3r: stk500v2_command(): warning: unknown, code 0x97 avrdude-slic3r: stk500v2_getparm(): failed to getparameter 0x97 SCK period : 0.5 us Varef : 0.0 V Oscillator : Off avrdude-slic3r: stk500v2_command(): warning: unknown, code 0x9e avrdude-slic3r: stk500v2_setparm(): failed to set parameter 0x9e avrdude-slic3r: stk500v2_command(): unknown status 0xc8 avrdude-slic3r: initialization failed, rc=-1 Double check connections and try again, or use -F to override this check. avrdude-slic3r: stk500v2_command(): unknown status 0x01 avrdude-slic3r: stk500v2_disable(): failed to leave programming mode avrdude-slic3r done.