Lenovo thinksystem SR630, Maintenance Manual

Page: 35 / 182

Table 8. Jumper description
Jumper name Jumper number Jumper setting
1
Override power-on password
jumper
J50
• Pins 1 and 2: The jumper is in
default setting.
• Pins 2 and 3: Override the power-
on password.
2
TPM/TCM physical presence
jumper
* TPM: Trusted Platform Module
* TCM: Trusted Cryptography Module
(for China only)
J46
• Pins 1 and 2: The jumper is in
default setting.
• Pins 2 and 3: TPM/TCM physical
presence is asserted.
3
Force XCC update jumper
J45
• Pins 1 and 2: The jumper is in
default setting.
• Pins 2 and 3: Force the Lenovo
XClarity Controller to update to the
latest version.
4
Force XCC reset jumper J181
• Pins 1 and 2: The jumper is in
default setting.
• Pins 2 and 3: Reset the Lenovo
XClarity Controller.
5
Clear CMOS jumper J95
• Pins 1 and 2: The jumper is in
default setting.
• Pins 2 and 3: Clear the real-time
clock (RTC) registry.
Important:
• Before you move any jumpers, power off the server; then, disconnect all power cords and external cables.
Do not open your server or attempt any repair before reading and understanding the following information:
–
http://thinksystem.lenovofiles.com/help/topic/safety_documentation/pdf_files.html
– “Handling static-sensitive devices” on page 41
• Any system-board switch or jumper block that is not shown in the illustrations in this document are
reserved.
Internal cable routing
Some of the components in the server have internal cables and cable connectors.
To connect cables, observe the following guidelines:
• Power off the server before you connect or disconnect any internal cables.
• See the documentation that comes with any external devices for additional cabling instructions. It might
be easier for you to route cables before you connect the devices to the server.
• Cable identifiers of some cables are printed on the cables that come with the server and optional devices.
Use these identifiers to connect the cables to the correct connectors.
• Ensure that the relevant cables pass through the cable clips.
Chapter 2
.
Server components
27