A20M firmware update (GT2560 V4)

[lerhum]

Hi all after successfully replacing my motherboard
i tried to flash it and it work

but after i see that on serial monitor

Code: Select all

Marlin 1.1.8

echo: Last Updated: 2017-12-25 12:00 | Author: (none, default config)
echo:Compiled: Aug 18 2019
echo: Free Memory: 2490  PlannerBufferBytes: 1360
echo:V402open stored settings retrieved (614 bytes; crc 14630)
echo:poweroff stored settings retrieved (56 bytes; crc 0)
read file dir: 
read file name: 
echo:  G21    ; Units in mm
echo:  M149 C ; Units in Celsius

echo:Filament settings: Disabled
echo:  M200 D1.75
echo:  M200 D0
echo:Steps per unit:
echo:  M92 X80.30 Y80.80 Z400.00 E395.00
echo:Maximum feedrates (units/s):
echo:  M203 X300.00 Y300.00 Z20.00 E25.00
echo:Maximum Acceleration (units/s2):
echo:  M201 X3000 Y3000 Z50 E3000
echo:Acceleration (units/s2): P<print_accel> R<retract_accel> T<travel_accel>
echo:  M204 P1000.00 R2000.00 T1000.00
echo:Advanced: S<min_feedrate> T<min_travel_feedrate> B<min_segment_time_us> X<max_xy_jerk> Z<max_z_jerk> E<max_e_jerk>
echo:  M205 S0.00 T0.00 B20000 X20.00 Y20.00 Z0.40 E5.00
echo:Material heatup parameters:
echo:  M145 S0 H190 B60 F0
echo:  M145 S1 H240 B90 F0
echo:PID settings:
echo:  M301 P45.80 I3.61 D145.39
echo:  M304 P182.46 I35.92 D231.70
 hardware version:0.00 
Fixed parameter bytes; crc error 39375 
Fixed parameter nbytes; crc error 65535echo:SD init fail

any idea what mean :

• Fixed parameter bytes; crc error 39375
  Fixed parameter nbytes; crc error 65535echo:SD init fail

ps: i can't see the lcd screen
i can heat up the bed by sending gcode
i can't move XYZ by sending gcode
?