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UEFI Menu Operations
MBR: Abbreviation of Master Boot Record.
Signature consists of the meaning of Partition Type as shown
below
GPT: Shows GUID
MBR: Numeric value.
Start shows the starting position of partition. It shows with
numeric of 64 bit.
Size shows the Partition Size. It shows with numeric of 64 bit.
CDROM(Entry, Start,
Size)
CD/DVD Media
Entry shows the boot entry number. (Can be omitted).It is usually
shown with 0.
Start shows the starting sector of boot entry. It shows with
numeric of 64 bit.
Size shows Partition Size. It shows with numbers of 64 bit.
USB(Port, Interface) USB
Port shows the port number of USB. 0-
255 is shown with
hexadecimal.
Interface shows interface number. 0-
255 is shown with
hexadecimal.
Ctrl(Controller) Controller
Controller consists of the integers.
3.6.2 Identification of Device Path
Description regarding the identification method of SAS disk built in SB, SAS disk built in DU, disk from Fibre
card and device path of GigaLAN is shown below.
SAS Disk built in SB
Specific method of SAS disk built in SB is described as an example.
Relation of connection from CPU to SAS disk built in SB is shown in “FIGURE 3.74 Specification of SAS disk
built in SB” shows the device Node.
FIGURE 3.74 Specification of SAS disk built in SB
Device Path is as follows.
PcieRoot(0x0)/Pci(0x1C,0x0)/Pci(0x0,0x0)/Ctrl(0x0)/Scsi(0x0,0x0)/HD(1,GPT,
83B59636‐996C‐4550‐A27A‐EBEAA43820D0, 0x800, 0x32000)
SAS Disk built in DU
Specific method of SAS disk built in DU#0 is described as an example.
controller
Disc)