Detailed info about our printer:

Printer based on: RepRapPro Mendel
Printed Parts: GitHub

Original hot-end thermistor: 100k RS thermistor 198-961 (probably) (not current)

 M304 H1 B3960 R4700 T100000

Current Control Board: RAMPS v1.4
Marlin v1.1.0-RC8  Configuration.h

Original control board: Melzi

M501

 Stored settings retreived:
 Steps per unit:
  M92 X91.43 Y91.43 Z4000.00 E960.00
 Maximum feedrates (mm/s):
  M203 X500.00 Y500.00 Z3.33 E45.00
 Maximum Acceleration (mm/s2):
  M201 X1000 Y1000 Z50 E1000
 Acceleration: S=acceleration, T=retract acceleration
  M204 S1000.00 T1000.00
 Advanced variables: S=Min feedrate (mm/s), T=Min travel feedrate (mm/s), B=minimum segment time (ms), X=maximum xY jerk (mm/s),  Z=maximum Z jerk (mm/s)
  M205 S0.00 T0.00 B20000 X15.00 Z0.40 E15.00
  M206 X0.00 Y0.00 Z0.00
 PID settings:
  M301 P3.00 I2.00 D80.00 W100
 FPU Enabled no

M503