Configuring Jumper Settings
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This chapter describes jumper settings for configuring the switch. Other configuration options are software controlled. Software configuration options are described in Chapter 4.
This chapter contains the following topics:
3.1 Jumper Settings
The following jumper settings are available for configuring the switch. Each of jumper settings is described in the subsections.
TABLE 3-1 Switch Configuration Jumper Settings
Jumper
|
Default
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Purpose
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P4
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L2
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Cross Connect Control
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P6(1-2)
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OFF
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Fabric Zero Reset Configuration Word
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P6(3-4)
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OFF
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Base Zero Reset Configuration Word
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P8(1-2)
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OFF
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Base Write Protect Disable
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P8(3-4)
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OFF
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Fabric Write Protect Disable
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P9
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OFF
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IPMC Firmware Write
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P10(1-2)
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OFF
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IPMC Disable
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P10(3-4)
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OFF
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IPMC FWE
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P11(1-2)
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OFF
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Forced Board Enable
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P11(3-4)
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OFF
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IPMC Board Reset Disable
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P12
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OFF
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EMI Ground to Logic Ground
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P13
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OFF
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Serial Direction
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3.1.1 P4 Cross-Connect Control
This jumper is used to control ShMC cross connect. ShMC cross connect is the ability to connect to two ShMCs at 10/100 each rather than use a single 10/100/1000 for a single ShMC. The first ShMC port is number 1 on the Base. The second ShMC port is number 17 on the Base.
TABLE 3-2 P4 Cross-Connect Jumper Settings
P4
|
Default
|
Function
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OFF
|
|
Software control of cross connect.
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1-2
|
Default
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Force cross connect enabled, base channel 1 is two 10/100BaseTX ports.
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3-4
|
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No cross connect; base channel 1 is 10/100/1000Base-T.
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3.1.2 P6(1-2) Fabric Zero Reset Configuration Word
This jumper is used to configure the Fabric Gigabyte CPU to use the default Reset Configuration Word, or use the one in the flash.
TABLE 3-3 P6 (1-2) Fabric Zero Reset Jumper Settings
P6(1-2)
|
Default
|
Function
|
ON
|
|
Use default Reset Configuration Word (all zeros)
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OFF
|
Default
|
Use Reset Configuration Word in flash
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3.1.3 P6(3-4) Base Zero Reset Configuration Word
This jumper is used to configure the Base CPU to use the default Reset Configuration Word, or use the one in the flash.
TABLE 3-4 P6 (3-4) Base Zero Reset Jumper Settings
P6(3-4)
|
Default
|
Function
|
ON
|
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Use default Reset Configuration Word (all zeros)
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OFF
|
Default
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Use Reset Configuration Word in flash
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3.1.4 P8(1-2) Base Write Protect
This jumper configures write protection on the Base reset configuration word.
TABLE 3-5 P8 (1-2) Base Write-Protect Jumper Settings
P8(1-2)
|
Default
|
Function
|
ON
|
|
Disable the write protection of the Base reset configuration word
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OFF
|
Default
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Write protect the Base reset configuration word
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3.1.5 P8(3-4) Fabric Write Protect
This jumper configures write protection on the Fabric reset configuration word.
TABLE 3-6 P8 (3-4) Fabric Write Protect Jumper Settings
P8(3-4)
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Default
|
Function
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ON
|
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Disable the write protection of the Fabric reset configuration word
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OFF
|
Default
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Write protect the Fabric reset configuration word
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3.1.6 P9 IPMC Firmware Program
These jumpers configure IPMC firmware write actions via the debug serial port.
TABLE 3-7 P9 IPMC Firmware Program Jumper Settings
P4
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Default
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Function
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OFF
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Default
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Normal operation
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1-2
|
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Install to program IPMC firmware via the debug serial port
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3-4
|
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Install to program IPMC firmware via the debug serial port
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3.1.7 P10(1-2) IPMC Reset
This jumper configures the IPMI subsystem reset function.
TABLE 3-8 P10 (1-2) IPMC Reset Jumper Settings
P10
(1-2)
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Default
|
Function
|
ON
|
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Disable IPMI subsystem (hold it in reset)
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OFF
|
Default
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Enable IPMI subsystem
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3.1.8 P10(3-4) IPMC FWE
These are reserved and should be left configured for the default setting.
TABLE 3-9 P10 (3-4) IPMC FWE Reserved Jumper Settings
P10
(3-4)
|
Default
|
Function
|
ON
|
|
|
OFF
|
Default
|
Normal operation
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3.1.9 P11(1-2) Forced-Board Enable
This jumper controls whether the switch is forced on when it is powered up, or if the IPMI subsystem controls the power up of the switch. Forcing power to the board is not enough for the board to boot. The board could still be held in reset. Configre P11 (3-4) jumper setting as well to bring the board out of reset.
TABLE 3-10 P11 (1-2) Forced-Board Enable Jumper Settings
P11
(1-2)
|
Default
|
Function
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ON
|
|
Force power on. Use this to run without a ShMC.
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OFF
|
Default
|
IPMI controls power to the board.
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3.1.10 P11(3-4) IPMC Board Reset
This jumper configres the IPMI to send a reset signal that will reset the entire board
TABLE 3-11 P11 (3-4) IPMC Board Reset Jumper Settings
P11
(3-4)
|
Default
|
Function
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ON
|
|
IPMI subsystem cannot reset the switch. Use this to run without a ShMC.
|
OFF
|
Default
|
IPMI subsystem can reset the switch and hold it in reset.
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3.1.11 P12(1-2) and P12 (3-4) EMI Ground to Logic Ground
The switch and the entire AdvancedTCA shelf separate the ground of the chassis itself from digital ground for EMI protection. This jumper configures the two grounds.
TABLE 3-12 P12 (1-2) and P12 (3-4) Grounding Jumper Settings
P12
(1-2)
(3-4)
|
Default
|
Function
|
OFF
|
Default
|
Separate EMI ground and logic ground.
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1-2
|
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Connect EMI ground to logic ground.
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3-4
|
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Connect EMI ground to logic ground.
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3.1.12 P13 Serial Direction
The front panel serial port and the RTM serial port are mutually exclusive; only one can be used at a time. The serial port can be forced to the front or the RTM, or it can be controlled by the software.
TABLE 3-13 P13 Serial Direction Jumper Settings
P13
|
Default
|
Function
|
OFF
|
Default
|
Software control of serial direction.
|
1-2
|
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Front serial port active; RTM serial port disabled.
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3-4
|
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Front serial port disabled; RTM serial port active.
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3.2 Jumper Locations
FIGURE 3-1 shows the locations of the jumper settings.
FIGURE 3-1 Switch Jumper Locations
Sun Netra CP3240 Switch Installation Guide
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820-3251-13
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Copyright © 2009 Sun Microsystems, Inc. All rights reserved.