Epson LT - 286e Processor Speed Test, Coprocessor Test, DMA Controller Test, the math coprocessor is not, Measure CPU speed in Megahertz, Numeric Data processor not present

Processor Speed Test

This test identifies the CPU clock speed and displays a message similar to this:

Measure CPU speed in Megahertz = 12.00

Coprocessor Test

This test checks the math coprocessor.

If the math coprocessor is not installed, you see this message:

Numeric Data processor not present.

DMA Controller Test

This test performs read/write tests on the memory address registers and page registers of DMA controller 1 and 2.

During the test, you see this message:

Testing Programmable DMA Controller.

When the test completes successfully, you see this message:

Programmable DMA Controller test passed OK.

14 System Diagnostics