HP Unified Extensible Firmware Interface - Manual (Page 30)

Ctrl[19F] PciRoot(0x0)/Pci(0x4,0x0)
Ctrl[1A0] PciRoot(0x0)/Pci(0x4,0x1)
Ctrl[1A1] PciRoot(0x0)/Pci(0x4,0x2)
Ctrl[1A2] PciRoot(0x0)/Pci(0x4,0x3)
Ctrl[1A3] PciRoot(0x0)/Pci(0x4,0x4)
Ctrl[1A4] PciRoot(0x0)/Pci(0x4,0x5)
Ctrl[1A5] PciRoot(0x0)/Pci(0x4,0x6)
Ctrl[1A6] PciRoot(0x0)/Pci(0x4,0x7)
Ctrl[1A7] PciRoot(0x0)/Pci(0x5,0x0)
Ctrl[1A8] PciRoot(0x0)/Pci(0x5,0x1)
Ctrl[1A9] PciRoot(0x0)/Pci(0x5,0x2)
Ctrl[1AA] PciRoot(0x0)/Pci(0x5,0x4)
Ctrl[1AB] PciRoot(0x0)/Pci(0x6,0x7)
Press ENTER to continue or 'Q' break:
dh
Displays the device handles in the UEFI environment.
Syntax
dh [-lxxx] [ handle | -p prot_id ] [-d] [-b] [-v] [-sfo]
Options
-lxxx Displays device handles in a specific language. For a list of possible code options
see the UEFI Specification.
handle Displays the handle for a specific device.
-p prot_id Displays protocol information associated to handles. If not specified, all protocols
are displayed.
-d Displays UEFI driver model-related information.
-b Displays one screen at a time.
-v Displays verbose information.
-sfo Displays information in standard-format output. See Table 8 (page 39) ).
Description
This command displays the device handles in the EFI environment. If used with a specific handle
number, the details of all the protocols that are associated with that device handle are displayed.
Otherwise, the -p option can be used to list the device handles that contain a specific protocol.
If neither -pprot_idor handle is specified, then all handles are displayed.
Examples
To display all handles one screen at a time:
Shell> dh -b
Handle dump
1: Image(DXE Core)
2: FwVol FwFileSys FwVolBlk DevPath(MemMap(11:1B50000-
1D4FFC8))
3: Image(Ebc)
4: DevPath(MemMap(11:1CA0000-1CB0000))
5: Image(WinNtThunk)
6: WinNtThunk DevPath(..76F3-11D4-BCEA-0080C73C8881))
7: Image(WinNtBusDriver) DriverBinding
...
To display detailed information about handle 0x30:
Shell> dh 30
Handle 30 (01AF5308)
IsaIo
ROM Size......: 00000000
30 UEFI Shell command reference