---
title: IOPlatformExpert
framework: kernel
role: symbol
role_heading: Class
path: kernel/ioplatformexpert
---

# IOPlatformExpert

## Declaration

```occ
class IOPlatformExpert : IOService
```

## Topics

### Instance Methods

- [CheckSubTree](kernel/ioplatformexpert/1451532-checksubtree.md)
- [PMInstantiatePowerDomains](kernel/ioplatformexpert/1451584-pminstantiatepowerdomains.md)
- [PMLog](kernel/ioplatformexpert/1451610-pmlog.md)
- [PMRegisterDevice](kernel/ioplatformexpert/1451557-pmregisterdevice.md)
- [RegisterServiceInTree](kernel/ioplatformexpert/1451551-registerserviceintree.md)
- [atInterruptLevel](kernel/ioplatformexpert/1451594-atinterruptlevel.md)
- [attach](kernel/ioplatformexpert/1451663-attach.md)
- [callPlatformFunction](kernel/ioplatformexpert/1451634-callplatformfunction.md)
- [compareNubName](kernel/ioplatformexpert/1451642-comparenubname.md)
- [compareNubName](kernel/ioplatformexpert/3553365-comparenubname.md)
- [configure](kernel/ioplatformexpert/1451536-configure.md)
- [createNub](kernel/ioplatformexpert/1451503-createnub.md)
- [createSystemSerialNumberString](kernel/ioplatformexpert/1451544-createsystemserialnumberstring.md)
- [deregisterInterruptController](kernel/ioplatformexpert/1451582-deregisterinterruptcontroller.md)
- [getBootROMType](kernel/ioplatformexpert/1451509-getbootromtype.md)
- [getChipSetType](kernel/ioplatformexpert/1451590-getchipsettype.md)
- [getConsoleInfo](kernel/ioplatformexpert/1451692-getconsoleinfo.md)
- [getGMTTimeOfDay](kernel/ioplatformexpert/1451670-getgmttimeofday.md)
- [getMachineName](kernel/ioplatformexpert/1451643-getmachinename.md)
- [getMachineType](kernel/ioplatformexpert/1451574-getmachinetype.md)
- [getMetaClass](kernel/ioplatformexpert/1451615-getmetaclass.md)
- [getModelName](kernel/ioplatformexpert/1451693-getmodelname.md)
- [getNubResources](kernel/ioplatformexpert/1451588-getnubresources.md)
- [getPhysicalRangeAllocator](kernel/ioplatformexpert/1451673-getphysicalrangeallocator.md)
- [getProductName](kernel/ioplatformexpert/3571398-getproductname.md)
- [getTargetName](kernel/ioplatformexpert/3571399-gettargetname.md)
- [getUTCTimeOfDay](kernel/ioplatformexpert/1451655-getutctimeofday.md)
- [haltRestart](kernel/ioplatformexpert/1451618-haltrestart.md)
- [hasPMFeature](kernel/ioplatformexpert/1451617-haspmfeature.md)
- [hasPrivPMFeature](kernel/ioplatformexpert/1451716-hasprivpmfeature.md)
- [lookUpInterruptController](kernel/ioplatformexpert/1451711-lookupinterruptcontroller.md)
- [numBatteriesSupported](kernel/ioplatformexpert/1451713-numbatteriessupported.md)
- [platformAdjustService](kernel/ioplatformexpert/1451593-platformadjustservice.md)
- [publishNVRAM](kernel/ioplatformexpert/3553366-publishnvram.md)
- [publishPlatformUUIDAndSerial](kernel/ioplatformexpert/3553367-publishplatformuuidandserial.md)
- [registerInterruptController](kernel/ioplatformexpert/1451546-registerinterruptcontroller.md)
- [registerNVRAMController](kernel/ioplatformexpert/1451608-registernvramcontroller.md)
- [savePanicInfo](kernel/ioplatformexpert/1451512-savepanicinfo.md)
- [setBootROMType](kernel/ioplatformexpert/1451528-setbootromtype.md)
- [setCPUInterruptProperties](kernel/ioplatformexpert/1451690-setcpuinterruptproperties.md)
- [setChipSetType](kernel/ioplatformexpert/1451586-setchipsettype.md)
- [setConsoleInfo](kernel/ioplatformexpert/1451555-setconsoleinfo.md)
- [setGMTTimeOfDay](kernel/ioplatformexpert/1451683-setgmttimeofday.md)
- [setMachineType](kernel/ioplatformexpert/1451627-setmachinetype.md)
- [setUTCTimeOfDay](kernel/ioplatformexpert/1451629-setutctimeofday.md)
- [sleepKernel](kernel/ioplatformexpert/1451700-sleepkernel.md)
- [start](kernel/ioplatformexpert/1451514-start.md)

## Relationships

### Inherits From

- [IOService](kernel/ioservice.md)

## See Also

### Default Drivers

- [ApplePlatformExpert](kernel/appleplatformexpert.md)
- [IODTPlatformExpert](kernel/iodtplatformexpert.md)