Testing
19
3.
Repeat the tests in this chapter to ensure the terminal operates
correctly.
Table 2–3
Diagnostics Dialog Box Buttons
Button
Function
ROM Checksum Test
Verifies the checksum of the program ROM.
NVR Checksum Test
Verifies the checksum of the NVR.
Ethernet Address ROM Test
Verifies the format and checksum of the Ethernet
address ROM.
RAM Test
Verifies the RAM data and address paths.
Video RAM Test
Verifies the video RAM data and address paths.
Video Test
Verifies the horizontal and vertical
synchronization, video path, and attributes logic
by displaying a specific pattern.
Keyboard Test
Firmware requests that the keyboard do its
self-test and display any error code.
Mouse Test
Firmware requests that the mouse or tablet do
its self-test and display any error code.
Image Hardware Test
Firmware verifies the image board functions. The
image board and the image ROM board must be
installed to run this test.
Host Port Test
Verifies the internal data paths of the host port’s
universal asynchronous receiver transmitter
(UART) by using its local loopback mode. If you
also choose the external loopback test, this test
checks the driver and receiver hardware as well.
Printer Port Test
Verifies the internal data path of the printer port
UART by using its local loopback mode. If you
also choose the external loopback test, this test
checks the driver and receiver hardware as well.
Ethernet Port Test
Verifies the internal data path of the Ethernet
chip set by using its local loopback mode. If you
also choose the external loopback test, this test
checks the driver and receiver hardware as well.
Keyboard Port Test
Verifies the internal data paths of the keyboard
UART by using its local loopback mode. There is
no external loopback test for the keyboard port.
