Lenovo ThinkSystem SR950 V3 - System Leds and Diagnostics Display

J117 switch block
The following table describes the functions of the J117 switch block on the lower processor board (MB).
Table 14. Lower processor board (MB) J117 switch block description
Location
Jumper Name
Position Function
J117A Reserved 1-2 Reserved
2-3 (Default)
Reserved
J117B Reserved 1-2 Reserved
2-3 (Default)
Reserved
J117C
ME FW update
1-2 (Default)
Normal
2-3 Enable ME boot to recovery.
J117D Flash security override
1-2 (Default) Disable flash security override.
2-3 Enable flash security override.
J117E Reserved
1-2 (Default)
Reserved
2-3 Reserved
J117F Reserved 1-2 (Default) Reserved
2-3 Reserved
J191 switch block
The following table describes the functions of the J191 switch block on the lower processor board (MB).
Table 15. Lower processor board (MB) J191 switch block description
Location
Jumper Name
Position Function
J191A Reserved
1-2 (Default)
Reserved
2-3 Reserved
J191B Reserved 1-2 Reserved
2-3 (Default)
Reserved
J191C Reserved 1-2 (Default) Reserved
2-3 Reserved
J191D Reserved 1-2 Reserved
2-3 (Default)
Reserved
J191E Reserved
1-2 (Default)
Reserved
2-3 Reserved
J191F Reserved
1-2 (Default)
Reserved
2-3 Reserved
System LEDs and diagnostics display
See the following section for information on available system LEDs and diagnostics display.
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ThinkSystem SR950 V3 System Configuration Guide