IBM 689912U Hardware Maintenance Manual - Page 22
Token-Ring Card LED Status:, See Token-Ring Table Terms and Definitions
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Token-Ring Card LED Status: Note See "Token-Ring Table Terms and Definitions" on page 13 for definition of terms in this table. Amber Blinking Off Off Off On Blinking Blinking On Green Blinking Off Blinking On Off Off On On Explanation The adapter is waiting for initialization (during POST). The adapter initialization is in progress (during POST), or the computer is powered off. The adapter did not detect any problems during its self-diagnostic tests and is waiting to open. If this LED state occurs after the adapter has been opened, this state indicates that the adapter has been closed under software control. The adapter is open and operating correctly. The adapter self-diagnostic tests failed or there is a problem with the adapter. Replace: Adapter Riser card System board The adapter is closed due to an undetected error. One of the following exists: The adapter open failed. The adapter detected a wire fault. The adapter failed the auto-removal test. The adapter has detected beaconing or hard error. If network is known good, check cable between computer and network receptacle. Replace: Adapter Riser card System board The adapter has failed before running the self-diagnostic tests. Replace: Adapter Riser card System board 12 IBM PC 300/700, IntelliStation Series HMM