• Code: 819
• Description: Fatal kernel error
  Due to a control error, a RAM overflow occurred during system processing. One of the following messages was displayed on the operation panel.
• Causes: • System program defective • Controller board defective • Optional board defective • Replace controller firmware

• Code: 821
• Description: Self-diagnostics error: ASIC. [0B06] ASIC detection error The I/O ASIC for system control is not detected.
• Causes: • Defective ASIC • Defective North Bridge and PCI I/F Replace the controller board.

• Code: 822
• Description: Self-diagnostic error: HDD
• Causes: [3003] Check performed only when HDD is installed: • HDD device busy for over 31 s. • After a diagnostic command is set for the HDD, but the device remains busy for over 6 s. • HDD defective • HDD harness disconnected, defective • Controller board defective [3004] No response to the self-diagnostic command from the ASIC to the HDDs. • HDD defective

• Code: 824
• Description: Self-diagnostic error : NVRAM
  NVRAM device does not exist, NVRAM device is damaged, or NVRAM socket damaged.
• Causes: • NVRAM defective • Controller board defective • NVRAM backup battery exhausted • NVRAM socket damaged

• Code: 839
• Description: USB NAND Flash ROM error
• Causes: [9101] The ID of the USB NAND Flash ROM cannot be read. • Defective controller board [9110] The USB NAND Flash ROM controller is disconnected. • Defective controller baord

• Code: 851
• Description: IEEE 1394 I/F error
  Driver setting incorrect and cannot be used by the 1394 I/F.
• Causes: Not supported by this machine • 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 (Bluetooth).
• Causes: • Wireless LAN card missing (was removed)

• Code: 854
• Description: Wireless LAN Error 2
  During machine operation, the machine can get access to the board that holds the wireless LAN, but not to the wireless LAN card (Bluetooth).
• Causes: Wireless LAN card missing (was removed)