| General Specifications | DAP 5000a | DAP 4200a | 
	| Dimensions | 12.28 inches x 4.2 inches | 12.28 inches x 4.2 inches | 
	| Power requirements | +5V, 7.0 Amps | +5V, 3.0 Amps | 
	| Operating temperature | 0-40 degrees Celsius | 0-50 degrees Celsius | 
	| Accuracy of crystal clocks | 100 parts per million | 100 parts per million | 
	| Type of A/D converter | Successive Approximation | Successive Approximation | 
	| Input | DAP 5000a | DAP 4200a | 
	| Analog Inputs | 16 | 16 | 
	| Expandable to | 512 | 512 | 
	| Voltage Ranges | +/-5 volts, +/-10 volts(also +/-1.25 volts and +/-2.5 volts using gain 4)
 | -0 to +5 volts, +/-2.5 volts, +/-5 volts, +/-10 volts | 
	| Samples (x 1000) per second* | 800 | 769 | 
	| Time increment (nanoseconds) | 50 | 100 | 
	| Minimum time interval (microseconds)* | 1.25 | 1.30 | 
	| Maximum Gain** | 40 (other options: 1, 4, 10) | 500 (other options: 1, 10, 100) | 
	| A/D Converters / Resolution (bits) | 1/14 | 1/14 | 
|  | 
	| Digital Inputs (synchronous) | 16 | 16 | 
	| Expandable to | 128 | 128 | 
	| Samples (x 1000) per second | 1666 | 1666 | 
	| Minimum time interval (microseconds) | 0.6 | 0.6 | 
	| Output | DAP 5000a | DAP 4200a | 
	| Analog Outputs | 2 | 2 | 
	| Expandable to | 66 | 66 | 
	| Voltage Ranges | +/-5 volts, +/-10 volts | -0 to +5 volts, +/-2.5 volts, +/-5 volts, +/-10 volts, 0 to +10 volts | 
	| Updates (x 1000) per second* | 833 | 833 | 
	| Minimum time interval (microseconds)* | 1.2 | 1.2 | 
	| DAC Resolution (bits) | 12 | 12 | 
|  | 
	| Digital Outputs | 16 | 16 | 
	| Expandable to | 1024 | 1024 | 
	| Updates (x 1000) per second | 1666 | 1666 | 
	| Minimum time interval (microseconds) | 0.6 | 0.6 | 
	| Microprocessor | DAP 5000a | DAP 4200a | 
	| Processor | Intel Pentium | 486:DX4 | 
	| Clock Speed(MHz) | 233 | 96 | 
	| Onboard Operating System | DAPL 2000 | DAPL 2000 | 
	| RAM (Mbytes) | 32 | 16 | 
	| PC Interface Specifications | DAP 5000a | DAP 4200a | 
	| PC Interface | PCI | PCI | 
	| Samples (x1000) transferred per second*** | 1666 | 1666 | 
	| Samples (x1000) logged/second*** | 1666 | 1666 | 
	| DSP | DAP 5000a | DAP 4200a | 
	| Onboard DSP support | Enhanced | Yes |