Compaq ES40CSLP, Инструкция по установке, использованию и обслуживанию

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Compaq ES40CSLP Rackmount System Installation/User/Service Guide C–1
C
Jumpers and Switches
C.1 System Motherboard Jumpers and Sw itches
Table C-1 lists the jumpers on the system motherboard along with the name of the jumper and a
description of the settings. Figure C-1 shows the location of the system motherboard jumpers.
Table C-1 System Motherboard Jumpers
Jumper Name Description
J1 Debug
Used for debug. When installed, bypasses power-up checks of
processors by system power controller.
J2 Reserved Reserved (not installed).
J3 Reserved Reserved (not installed).
J12/13 Flash Write
1–2: Normal operation
2–3: Disable Flash write
J21 Load TIG
1–2: Load TIG from flash RAM (default)
2–3: Load TIG from serial ROM. This setting allows you to load
the TIG if the flash RAM is corrupted.
J20 Fail-safe Loader Must be in default positions over pins 1 and 2 to enable FSL.
FIR_FUNC2
1–2 = 0, 2–3 = 1
J22 Fail-safe Loader Jumper for enabling fail-safe loader (FSL)
FIR_FUNC1
1–2= 0, 2–3= 1
J23 Fail-safe Loader
Must be in default positions over pins 1 and 2 to enable FSL.
FIR_FUNC0
1–2= 0, 2–3 = 1
J24 RMC Flash Update 1-2: Disables RMC flash update
2-3: Enables RMC flash update (default)
J25 Setting RMC to
Defaults 1-2: Sets RMC back to defaults
2-3: Normal RMC operating mode (default)
J26 Over-Temperature
Shutdown 1-2: Causes system to shut down if over-temperature limit is
reached (default)
2-3: Permits system to continue running at over-temperature
J31 COM1 Bypass 1-2: Allows RMC to control COM1 bypass (default)
2-3: Disables COM1 bypass
No jumper installed: Forces COM1 bypass