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4-4 Diagnostic Tools
POST Messages
Continued
Message Beeps* Probable Cause Recommended Action
206-Secondary cache
controller failure
None Cache memory controller or
RAM failure
Run the Computer Checkup and
Diagnostics utilities.
207-ECC Corrected Single
Bit Errors in DIMM Pair(s)
2S A memory error on one of the
installed DIMMs has been
detected and corrected with the
system’s ECC logic. The
workstation will continue to
operate correctly with this error.
Run Diagnostics to get more
information.
210-Invalid Memory
Configuration Detected.
Maximum of 1 Gbytes of
Memory Supported. System
Halted
None Too much memory installed in
system
Remove DIMM from socket.
212-Failed Processor 1L Failed processor (X is 0 or 1) Replace the processor and/or the
Processor Power Module.
301-Keyboard Error None Keyboard failure Verify that you do not have a key stuck
or something on the keyboard.
Ensure that the keyboard is plugged in.
Replace the keyboard.
303-Keyboard Controller
Error
None I/O keyboard controller 1. Reconnect keyboard with computer
turned off.
2. Replace the system board.
304-Keyboard or System
Unit Error
None Keyboard failure 1. Replace the keyboard.
2. Replace the system board.
40X-Parallel Port X Address
Assignment Conflict
2S Both external and internal ports
are assigned to parallel port X.
Run Computer Setup or Windows NT
utilities.
402-Monochrome Adapter
Failure
1L, 2S Monochrome display controller Replace the monochrome display
controller.
404-Parallel Port Address
Conflict Detected
2S Both external and internal ports
are assigned to parallel port X.
Run Computer Setup or Windows NT
utilities.
501-Display Adapter Failure 1L, 2S Graphics display controller Replace the graphics controller.
601-Diskette Controller Error None Diskette controller circuitry 1. Run Computer Setup.
2. Check and/or replace cables.
3. Replace diskette drive.
4. Replace the system board.
Continued