• Code: 829
• Description: Self-diagnostic Error: Optional RAM
  Verify error for optional RAM.
  [0301] Verification error (Slot 1)
  [0302] Composition error (Slot 1)
• Causes: • Make sure that the resident RAM is installed in the correct slot.
  • Make sure the optional RAM is installed in the correct slot (Slot 0)

• Code: 835
• Description: Self-diagnostic error: Centronic device
  [1102] Loopback connector is connected but check results in an error.
  [110C] Loopback connector is connected but check results in an error.
  [1120] Centronic loopback connector is not connected for detailed self-diagnostic test.
• Causes: • IEEE1284 connector error
  • Centronic loopback connector defective

• Code: 838
• Description: Self-diagnostic Error: Clock Generator
  [2701] A verify error occurred when setting data was read from the clock generator via the I2C bus.
• Causes: • Defective clock generator
  • Defective I2C bus
  • Defective I2C port on the CPU

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

• Code: 853
• Description: Wireless card startup error
  The machine starts up. The IEEE802 11b card connection board is recognized. The wireless LAN card or bluetooth card is not recognized.
• Causes: • Loose connection between the wireless card and the connection board

• Code: 854
• Description: Wireless card access error
  The machine has been reading the data from the card. The machine loses access to the card; the wireless LAN card or bluetooth card connection board is still recognized.
• Causes: • Loose connection between the wireless card and the connection board

• Code: 855
• Description: Wireless card error
  Some illegal data is found in the card.
• Causes: • Defective wireless card

• Code: 856
• Description: Wireless card connection board error
  An error is detected in the wireless LAN card or bluetooth card connection board.
• Causes: • Defective wireless card connection board