• Code: 820
• Description: Self-Diagnostic Error: CPU
  The central processing unit returned an error during the self-diagnostic test.
• Causes: Controller board defective. Software defective.
• Remedy: 1. Replace the software. 2. Replace the controller board.

• Code: 833
• Description: Self-diagnostic error 8: Engine I/F ASIC
• Causes: ASIC (engine board defective) 0F30 0F31 0F41 ASIC for system control could not be detected. After the PCI configuration, the device ID for the ASIC could not be checked. 1. Replace the engine board. 50B1 The system control could not initialize or read the bus connection. 1. Check for loose connections at the engine board. 2. Replace the engine board. 50B2 Value of the SSCG register is incorrect. 1. Check for loose connections at the engine board. 2. Replace the engine board.
• Remedy:

• 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. Controller board defective.
• Remedy: 1. Change the interface board. 2. Replace the controller board.

• 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). Improper installation of the Wireless LAN card.
• Remedy: 1. Turn the power switch Off and On. 2. Install the wireless LAN card properly.

• 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 (802.11b or Bluetooth).
• Causes: Wireless LAN card missing (was removed) during operation
• Remedy: 1. Once turn off the oower, reinstall the wireless LAN card, and then turn on the power. 2. Insert the wireless LAN card firmly.

• Code: 855
• Description: Wireless LAN error 3
  An error was detected on the Wireless LAN card (802.11b or Bluetooth).
• Causes: Wireless LAN card defective. Wireless LAN card connection incorrect
• Remedy: 1. Connect the wireless LAN card correctly. 2. Replace the wireless LAN card.

• Code: 856
• Description: Wireless LAN error 4
  An error was detected on the wireless LAN card (802.11b or Bluetooth).
• Causes: Wireless LAN card defective. PCI connector (to the mother board) loose
• Remedy: 1. Connect the PCI connector firmly. 2. Replace the wireless LAN card.

• Code: 857
• Description: USB I/F Error
  The USB driver is not stable and caused an error.
• Causes: Bad USB card connection. Defective controller board.
• Remedy: 1. Connect the USB card correctly. 2. Replace the controller board.