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ETHERNET PRINT SERVER
Table C-1. LED Patterns.
LED State Meaning
• - - - (1/2 second) First test. “Hello” message. Indicates that code is running
- • - - (1/2 second) and that the LEDs themselves are functional.
- - • - (1/2 second)
- - - • (1/2 second)
•••• (Continuous) The EPS detected an error accessing the gate array.
- - - - Performing checksum tests on ROM.
- - - • Testing RAM bank 0 (0s, 1s, and addresses).
- - • -
- - • • Testing RAM bank 1 (0s, 1s, and addresses).
- • - -
- • - • Testing for shorts or opens on low order address lines.
- • • - Testing address mapping for errors on high address lines.
- • • • Starting UART internal loopback tests.
• - - -
• - - • Starting Ethernet controller internal loopback tests.
• - • -
• - • •
• • - - Starting parallel loopback test.
• • - • Checking NVR checksum.