Sun Netra 1280 Server
 
Sun Fire V1280 Server
 
Sun Fire E2900 Server
 

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The list below shows the probe order for Sun Fire 1280 servers:

Physical Device Mapping for Sun Fire? V1280/E2900 PCI+/PCI-X 6-Slot I/O Boards : refer to <Document: 1007870.1>

The list below shows the probe order for Netra[TM] 1290 servers (additional reference see <Document: 1005907.1>) for IB_SSC Assembly PCI+/PCI-X Device Mapping :
I/O Assembly Name : IB6

where:

• W is the onboard LSI1010R SCSI controller
• X is the onboard CMD646U2 EIDE controller
• Y is the onboard Gigaswift Ethernet controller 0
• Z is the onboard Gigaswift Ethernet controller 1
• * is dependent upon the type of PCI card installed in the slot.

Note the following:

• 600000 is the bus offset and indicates bus A, which operates at 66 MHz.
• 700000 is the bus offset and indicates bus B, which operates at 33 MHz for PCI+ and at 33/66MHz for PCI-X.
• *@3 is the device number. In this example @3 means it is the third device on the bus.

This can be an issue if systems are rebuilt/reloaded, and the I/O configuration differs from the initial build, as the device instance numbers will change as a result of the probe order.

For Example:-

 The systems come preloaded with Solaris[TM] Operating System(OS), so the
onboard devices will be numbered as follows:

   INT IDE    ->  c0
INT SCSI   ->  c1
NET0       ->  ce0
NET1       ->  ce1

 If a SCSI PCI card is installed in slot 0 or 1, and the system is
reloaded/rebuilt, then the onboard IDE and SCSI will become c1 and c2
respectively, and the PCI card will be c0.

 If a SCSI PCI card is installed in slot 5, and the system is
reloaded/rebuilt, then the onboard IDE will remain as c0, and the PCI card
will become c1, making the onboard SCSI c2.

 Similarly, if a Cassini based network card is installed in ANY PCI slot, and
the system is reloaded/rebuilt, then the onboard NET0 & NET1 ports will no
longer be ce0 & ce1, but will get renumbered, depending on the number of
other ports that will now be probed first.

NOTE: This ONLY applies if Solaris OS is reloaded, or the system is installed using JumpStart[TM] software, that is, Solaris OS is re-installed. If PCI cards are added to an existing configuration, and the normal methods of creating device entries are used(devfsadm, boot -r, etc), then the original device numbering will be retained.

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