SC161-20 D IPU Error (DRAM Initialization Trouble)
An IPU error (DRAM initialization trouble) is issued if DDR-PHY initialization
and the Training status check result in an error with power on or recovering
from Power Save mode.
• IPU board defective (Connection problem of Macaron/DRAM device)
• DRAM device defective
• SC reproducibility check
Reproducible
Do the items below.
• Connection
• Check that all connectors are connected correctly (no loose
connector/not fully connected).
• No SC is generated.
End
• An SC is generated.
• IPU/BICU trouble
• IPU/BICU trouble
• Replace IPU/BICU
• No SC is generated.
End
• An SC is generated.
Replace the machine/design analysis
6. Troubleshooting
660
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