The LCD system information display panel displays the following types of information about the server:
• IMM system error log (SEL)
Note: The Scroll Down button will only function for this menu option if errors have occurred. A list of
current errors reported by the system will be displayed. To see the system error log (SEL) and get the
complete list of errors, go to the IMM web page ( see “Logging on to the IMM web interface” on page 135).
• System VPD information:
– Machine type and serial number
– Universal Unique Identifier (UUID) string
• System firmware levels:
– UEFI code level
– IMM code level
– pDSA code level
• IMM network information:
– IMM hostname
– IMM dedicated MAC address
Note: Only the MAC address that is currently in use is displayed (dedicated or shared)
– IMM shared MAC address
– IP v4 information
– IP v6 address
• System environmental information:
– Ambient temperature
– CPU temperature
– AC input voltage
– Estimated power consumption
Compute book
Use this information for an overview of the compute book.
The compute book is in the front of the server. Each compute book must have a minimum of one
microprocessor, one DIMM, and one fan-pack installed. It provides the following connectors and slots:
• One microprocessor socket
• 24 DDR3 DIMM connectors (Models with the DDR3 compute book)
• 24 DDR4 DIMM connectors (Models with the DDR4 compute book)
• Two 60 mm counter-rotating fan bays
The compute book also provides and a light path button. Press this button to light the LEDs on the board
when the compute book has been removed from the server. Any LEDs that were light before the compute
book was removed from the server will be lit when the light path button is pressed.
The following illustration shows the front view of the compute book:
Chapter 1. The Lenovo System x3850 X6 and x3950 X6 Type 6241 server 29
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