The following illustration shows the location of the switch blocks on the system board.
Figure 7. Switch blocks
Table 9. System-board switches
1 SW1 switch block 3 SW2 switch block
2 SW5 switch block
Important:
• Any system-board switches or jumpers that are not described in this section are reserved.
• Before you change any switch settings or move any jumpers, power off the compute node. Review the
information in
http://thinksystem.lenovofiles.com/help/topic/safety_documentation/pdf_files.html, “Installation
Guidelines” on page 28
, “Handling static-sensitive devices” on page 31, and “Power off the compute
node” on page 65
.
Switch and jumper functions are as follows:
• All jumpers on the system board are reserved and should be removed.
• All switches should be in the Off position.
• The following table describes the functions of the switches on switch block SW5.
Chapter 2. Compute node components 21
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