Lenovo ThinkSystem ST550 7X09, Руководство по обслуживанию

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Table 8. Jumper description
Jumper name Jumper number Jumper setting
1
Force XCC update jumper JP16 • 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.
2
Force XCC reset jumper JP19 • Pins 1 and 2: The jumper is in default setting.
• Pins 2 and 3: Reset the Lenovo XClarity
Controller.
3
TPM/TCM physical presence
jumper
JP23 • Pins 1 and 2: The jumper is in default setting.
• Pins 2 and 3: TPM/TCM physical presence is
asserted.
4
Clear CMOS jumper JP76 • Pins 1 and 2: The jumper is in default setting.
• Pins 2 and 3: Clear the real-time clock (RTC)
registry.
5
Override power-on password
jumper
JP61 • Pins 1 and 2: The jumper is in default setting.
• Pins 2 and 3: Override the power-on password.
Important:
• Before you move the jumpers, turn 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 60
• Any system-board switch or jumper block that is not shown in the illustrations in this document are
reserved.
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ThinkSystem ST550 Maintenance Manual