You can update to USB or Ethernet Board:
Mach3 USB
Mach4 USB
Mach3 or Mach4 ESS board
1:Product Dimensions: about H 20.5 " x L 26" x W 22.8"
2:Effective Working Area : about 11.8" x 15.7" x 5.9" ( 300 x 400 x 150mm)
3:1605 Precision Ball Screw
4: XY Rail diameter: 20mm hard chrome shaft, Z-axis Rail 16mm hard chrome shaft.
5: XYZ stepper Motor: NEMA23 250 OZ / IN (2.2N/CM)
6: Repeat Positioning Accuracy: 0.005 inch , Precision: 0.007 inch
7: Max. Speed: 0-157 inch/minute
8: Maximum table load: 50KG
9: Stainless Steel tailgate
10: 24V/ 14.5A 350W Switching Power Supply 110VAC
11: 1500W Water-cooled Spindle, ER11 collet
12: 1500W VFD
13: 5 Axis control with Mach3 parallel port
14: NEMA 23 stepper, the transmission ratio 1:6
Electrical properties: (ambient temperature Tj = 25 ?):
Input Power: 110V AC power supply
Stepper: 200pulses / 1.8 degrees, the entire 40-step driving pulse / 1MM
Drive mode: two-phase 3.5A drive.
Weight: about 40KG.