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Operation Procedure
855-900547-200 3-21
3.5.6. EFI Devices
The device connected to the system is managed as “EFI device path.” This section explains the
EFI device path.
1) DVD-ROM device
When the DVD-ROM drive is connected to the IDE secondary channel:
Acpi(PNPA03,0)/Pci(2|1)/Ata(Secondary,Master)
2) SCSI device
Acpi(PNP0A03,1)/Pci(2|0)/xxx/xxx/Scsi(Pun0,Lun0)/HD(Part1,SigFF050000)
Description:
SCSI(Puny,Lunz): Mounting location of the SCSI device (DISK) connected to the SCSI
card.
y: Physical location of the SCSI device
z: Identifier for a logical unit when an SCSI device has multiple
accessible logical units (“0”: Origin)
HD(Part1,SigFF050000): SCSI DISK drive information
Part1: Information on partition 1
SigFF050000: The signature is “FF050000.”
Device path (former part of SCSIxxx):
Example: To install the boot device in the PCI bay (core module):
Host Bus Slot
-------------------------------------------------------
Acpi(PNP0A03,?)/Pci(?|?)
^UID
^^^Slot Dev#/Func#
Location in PCI bay Device path description on the EFI Menu
C_PCI01 Acpi(PNP0A03,x)/Pci(3|z)
C_PCI02 Acpi(PNP0A03,x)/Pci(2|z)
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x = UID: PCI module number identifier