Lenovo 7Y54, Руководство по обслуживанию, Страница: 28 / 138

Table 8. System-board jumpers and buttons (continued)
5
Clear CMOS jumper • Pins 1 and 2: Default
• Pins 2 and 3: Clear the real-time clock (RTC) registry
6
TPM card physical presence jumper • Pins 1 and 2: Default
• Pins 2 and 3: TPM card physical presence is asserted
Important:
1. Before you change any switch settings or move any jumpers, turn off the server; then, disconnect all
power cords and external cables. Review the information in
http://thinksystem.lenovofiles.com/help/topic/
safety_documentation/pdf_files.html
, “Installation Guidelines” on page 31 , “Handling static-sensitive
devices” on page 33 , and “Power off the server” on page 10 .
2. Any system-board switch or jumper block that is not shown in the illustrations in this document are
reserved.
PCIe riser assembly
Use this information to locate the connectors on the optional PCIe riser assembly.
Figure 11. PCIe riser assembly
Table 9. PCIe riser assembly
1
PCI Express 3.0 x8
2
PCI Express 3.0 x8 (x16 mechanical connector with x8
signal)
Backplate
Use this information to identify the drive backplate you use.
20
ThinkSystem SR150 Maintenance Manual