Lenovo ThinkSystem SR950 V3 - Page 29

Note: If there is a clear protective sticker on the top of the switch blocks, you must remove and discard it to
access the switches.
Figure 10. Upper processor board (CPU BD) switches
1 J191 2 J56
J191 switch block
The following table describes the functions of the J191 switch block on the upper processor board (CPU BD).
Table 6. Upper processor board (CPU BD) J191 switch block description
Location
Jumper Name
Position Function
J191A Reserved 1-2 Reserved
2-3 (Default)
Reserved
J191B Reserved 1-2 (Default) Reserved
2-3 Reserved
J191C
Reserved
1-2 (Default)
Reserved
2-3 Reserved
J191D Reserved
1-2 (Default)
Reserved
2-3 Reserved
J191E Reserved
1-2 (Default)
Reserved
2-3 Reserved
J191F Reserved 1-2 (Default) Reserved
2-3 Reserved
Chapter 2. Server components 21