56 SPARC Enterprise T5120 and T5220 Servers Installation Guide • August 2007
To understand the various devices and their path names as represented in the
OpenBoot device tree, refer to
TABLE 3-1 for disks and TABLE 3-2 for optional PCI
cards.
/pci@7c0/pci@0: Device c Nothing there
/pci@7c0/pci@0: Device d Nothing there
/pci@7c0/pci@0: Device e Nothing there
/pci@7c0/pci@0: Device f Nothing there
Probing I/O buses
SPARC Enterprise T5220, No Keyboard
...
{0} ok
TABLE 3-1 Disk Slot Numbers, Logical Device Names, and Physical Device Names
Disk Slot Number Logical Device Name
*
* The logical device names might appear differently on your system, depending on the number and type of add-on disk controllers
installed.
Physical Device Name
Slot 0 c0t0d0 /devices/pci@0/pci@0/pci@2/scsi@0/sd@0,0
Slot 1 c0t1d0 /devices/pci@0/pci@0/pci@2/scsi@0/sd@1,0
Slot 2 c0t2d0 /devices/pci@0/pci@0/pci@2/scsi@0/sd@2,0
Slot 3 c0t3d0 /devices/pci@0/pci@0/pci@2/scsi@0/sd@3,0
TABLE 3-2 Device Identifiers and Devices
Device Identifiers Devices
/SYS/MB/CMPcpu_number/Pstrand_number CPU Strand (Number: 0-63)
/SYS/MB/RISERriser_number/PCIEslot_number PCIe Slot (Number: 0-5)
/SYS/MB/RISERriser_number/XAUIcard_number XAUI card (Number: 0-1)
/SYS/MB/NETport_number Ethernet ports (Number: 0-3)
/SYS/MB/PCIE PCIe root complex
/SYS/MB/USBnumber USB ports (Number: 0-1, located on
rear of chassis)
/SYS/MB/CMP0/L2_BANKnumber (Number: 0-3)
/SYS/DVD DVD
/SYS/USBBD/USBnumber USB ports (Number: 2-3, located on
front of chassis)
/SYS/TTYA DB9 Serial Port
/SYS/MB/CMP0/BRbranch_number/CHchannel_number/Ddimm_number DIMMS
