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Dell 4691901 Personal Computer User Manual

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Code 1-2-2

Cause DMA initialization failure

Code 1-2-3

Cause DMA page register read/write failure

Code 1-3-1 through 2-4-4

Cause DIMMs not being properly identified or used

Code 3-1-1

Cause Slave DMA register failure

Code 3-1-2

Cause Master DMA register failure

Code 3-1-3

Cause Master interrupt mask register failure

Code 3-1-4

Cause Slave interrupt mask register failure

Code 3-2-2

Cause Interrupt vector loading failure

Code 3-2-4

Cause Keyboard Controller Test failure

Code 3-3-1

Cause NVRAM power loss

Code 3-3-2

Cause NVRAM configuration

Code 3-3-4

Cause Video Memory Test failure

Code 3-4-1

Cause Screen initialization failure

Code 3-4-2

Cause Screen retrace failure

Code 3-4-3

Cause Search for video ROM failure

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