• Code: 826
• Description: Self-diagnostic Error: NVRAM/Optional NVRAM
  The NVRAM or optional NVRAM returned an error during the self-diagnostic test.
• Causes: Make sure NVRAM is seated correctly in its socket. Replace the NVRAM on the controller board

• Code: 827
• Description: Self-diagnostic Error: RAM
  The resident RAM returned a verify error during the self-diagnostic test.
• Causes: Update controller firmware again. Replace RAM DIMM

• Code: 828
• Description: Self-diagnostic error 7: ROM
  Measuring the CRC for the boot monitor and operating system program results in an error. A check of the CRC value for ROMFS of the entire ROM area results in an error.
• Causes: Software defective. Controller board defective. ROM defective

• Code: 829
• Description: Self-diagnostic Error: Optional RAM
  The optional RAM returned an error during the self-diagnostic test.
• Causes: Replace the optional memory board. Controller board defective

• Code: 833, 834
• Description: For more details about SC 833, SC834 error.
  Execute SP5990 to print an SMC report so you can read the error code. The error code is not displayed on the operation panel. The additional error codes (0F30, 0F31, etc. are listed in the SMC report).
• Causes:

• Code: 838
• Description: Self-diagnostic Error: Clock Generator
  A verify error occurred when setting data was read from the clock generator via the I2C bus.
• Causes: Replace the controller board

• Code: 851
• Description: IEEE 1394 I/F error
  Driver setting incorrect and cannot be used by the 1394 I/F.
• Causes: NIB (PHY), LINK module defective; change the Interface Board. Controller board defective

• Code: 853
• Description: Wireless LAN Error 1
  During machine start-up, the machine can get access to the board that holds the wireless LAN, but not to the wireless LAN card (802.11b or Bluetooth).
• Causes: Wireless LAN card missing (was removed)