UEFI Modules
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UEFI Module NameImportance1-2 line technical summary, with full stops, or '-' if there's nothing that can be found -- green is for me when it's been checkedCommentDone By
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PLEASE DO NOT CHANGE THE FORMAT OF THIS SPEADSHEET!
HELPFUL HINT: Use UEFI "name_of_module" on Google to get better matches - And also try DuckDuckGo and GitHub, they gives different, useful, results.
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IccOverClocking316Integrated Clock Chip Configuration?https://www.overclock.net/forum/5-intel-cpus/1386792-what-icc.htmlRH
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MeUlvCheck288-
Possibly provides Intel Management Engine support for Intel ULV (ultra-low voltage) processors? -Huskehn
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AmtStatusCodePei284Processes ASF messages?
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PeiOverClock231Initializes the overclock settings in the Pre-EFI boot phase.
https://www.nsa.gov/Portals/70/documents/what-we-do/cybersecurity/professional-resources/ctr-uefi-defensive-practices-guidance.pdf?ver=2018-11-06-074836-090
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WdtDxe230Watchdog Timer driver?
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MeFwDowngrade213Module for the prevention of downgrading Management Engine (ME) firmware?
The ME is possibly Intel Mangement Engine, but I was unable to find anything conclusive. [Comment 2] Nothing definitive, but it looks like this is for downgrading Intel ME Firmware: https://chrisatech.wordpress.com/2018/11/21/intel-me-fw-downgrade-request-mespilock-failed-message-on-boot/
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AlertStandardFormatDxe210This module implements Alert Standard Format monitoring and/or network protocols?
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BoardConfigInitPreMem208-NothingRH
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PchSmbusSmm203Platform Controller Hub (PCH)?Apparerntly AptioRH
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MeSmbios200-RH
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BiosInfo199It provides BIOS related info?
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SmmPlatform197This SMM driver XXXXXXXXXXXXXXX
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PlatformSetup197-
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SavePegConfig197I think this saves the PEG-specific graphics output routing configuration - basically it's state for the VGA routing arbiter. (Not super sure.)PEG = PCI Express Graphics ?pjones
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PolicyInitDxe197This module implements the policy decisions for C-state and P-state transitions and sets up the S3 Restore SMI interrupt handlerpjones
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AmtPetAlertDxe197-RH
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IccPlatform196.
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IntelGraphicsPeiDriver195Pre-EFI
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PlatformInfoDxe194This Module appears to collect information about the UEFI and Hardware and make it available to the UEFI as well as the OS.
I can't find anything solid, but I did take a peek at some source code I found on GitHub - https://github.com/qoriq-open-source/ls1043a-uefi/blob/master/Vlv2TbltDevicePkg/PlatformInfoDxe/PlatformInfoDxe.c#L26
Krutonium
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PepBccdSmm193-AMI?
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OverclockInterface192This module provides the interface for overclocking a chipset.Ryan R
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DxeOverClock192This module uses DXE drivers to prepare, process, and apply the overclocking parameters set forth in the OverclockInterface module.Ryan R
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BiosGuardServices187Early verification of the system flash.pjones
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IpSecDxe184This module is the driver for packet-level security for IP datagram.
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AmtInt16176Intel AMT video (INT 10h) driver?pjones
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SystemCrisisRecoveryPei175Pre-EFI
https://www.google.com/search?ei=MqbZXJvnIsSZ_Qbe5qawCA&q=UEFI+%22SystemCrisisRecoveryPei%22&oq=UEFI+%22SystemCrisisRecoveryPei%22&gs_l=psy-ab.3..33i299l2.1374936.1375294..1375653...0.0..0.244.882.0j4j1......0....1..gws-wiz.2J_waBs3DE8
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PlatformStatusCodeHandlerPei175Pre-EFIOnly VirusTotal Results
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SystemSecureFlashFvHobPei175Pre-EFIOnly VirusTotal Results
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SecureFlashAuthenticationPei175Pre-EFI
Only VirusTotal Results SecureCore Technology(TM) Secure Flash Authentication PEI Support
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SystemSecureFlashBootModePei175Pre-EFINo google results
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SystemFindFvPei175Pre-EFIDon't have knowledge to understand but this document seems relevant.
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SmiVariable175
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SystemFlashUpdateDriverDxe174This module YYYYYYYYYYYYYYYY
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ReportFvRecoveryPei174Pre-EFI
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BiosInfoChecker174
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PeimBoardInit173Pre-EFI Initialization Module for XXXXXXXXXXXXXXXXXXXXXXX
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LenovoPcdInit172-
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LenovoTpmConfigPei172Pre-EFI
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LenovoUserManagerPei172Pre-EFI
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LenovoProtectPBPei172Pre-EFI
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ModuleS3ResumePeim172Pre-EFI Initialization Module for XXXXXXXXXXXXXXXXXXXXXXX
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LenovoEaiaPei172Pre-EFI access to some kind of access to EEPROM
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PhStallPpi171PPI = PEIM to PEIM Interface (PEIM = Pre-EFI Init Module)
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PhPlatformPei171
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PchLpcPei171
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BoardInfoPeim169Pre-EFI Initialization Module for XXXXXXXXXXXXXXXXXXXXXXX
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UsbTypeC168USB Type-C init? May do power delivery setup in addition to normal USB3 setup through XHCIthis is called " USB Type-C " - still finding further information
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VideoInitPeim168Pre-EFI Initialization Module for XXXXXXXXXXXXXXXXXXXXXXX
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LenovoVariableStorePei168Pre-EFI Initialization Module that contains a variable as to whether it succeeded(?)
Not sure if tihs is right - https://support.lenovo.com/us/en/solutions/ht506697, https://support.lenovo.com/us/en/downloads/ds036722
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SystemSecureBiosPei166
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SetTimerPeriodDxe164This module YYYYYYYYYYYYYYYY
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MiscGaIoPeim161Pre-EFI Initialization Module for XXXXXXXXXXXXXXXXXXXXXXX
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ActiveManagement159
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SystemAcpiTableDxe157This module YYYYYYYYYYYYYYYY
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GopDebugDxe156This enables debugging for the Intel Graphics Output Protocol?
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AcpiPlatformFeatures155
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DxeBoardConfigInit155
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LenovoTpm2ConfigPei154-
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MebxSetupBrowser154Intel Management Engine configuration tool?
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Mebx154Intel Management Engine BIOS Extension.intelSy
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LenovoSplashDxe151This displays the graphical logo on the boot screen.pjones
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SpiFlashProSmm151This is the SMM SPI flash driver.pjones
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SpiFlashProDxe151This provides SPI flash interfaces for Dxe.pjones
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PhConSplitterDxe151This module YYYYYYYYYYYYYYYY
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SystemUsbSupportPolicyDxe151This module YYYYYYYYYYYYYYYY
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SystemUsbHidParserSmm151This SMM driver XXXXXXXXXXXXXXX
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SystemUsbSwitchSmm151This SMM driver XXXXXXXXXXXXXXX
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SystemUsbMemoryManagerSmm151This SMM driver XXXXXXXXXXXXXXX
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SystemUsbSupportPolicySmm151This SMM driver XXXXXXXXXXXXXXX
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SystemUsbDatabaseSmm151This SMM driver XXXXXXXXXXXXXXX
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VirtualEcDxe151This module YYYYYYYYYYYYYYYY
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NvmExpressSmm151This SMM driver XXXXXXXXXXXXXXX
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SystemErrorMenuDxe151This module YYYYYYYYYYYYYYYY
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SystemErrorLogDxe151This module YYYYYYYYYYYYYYYY
SecureCore Technology(TM) SctSystemErrorManagerDxe DXE Driver https://www.phoenix.com/products/phoenix-securecore-technology/index.html
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SystemErrorLogSmm151This SMM driver XXXXXXXXXXXXXXXSecureCore Technology(TM) SctSystemErrorManagerDxe DXE Driver
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SystemCapsulePolicyDxe151This module YYYYYYYYYYYYYYYY
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SystemDiagnosticSummaryScreenDxe151This module YYYYYYYYYYYYYYYY
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SystemDiagnosticSplashScreenApp151
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SystemDiagnosticSplashScreenDxe151This module YYYYYYYYYYYYYYYYSecureCore Technology(TM) Diagnostics DXE driver.
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SystemDxeToSmmEventDxe151This module YYYYYYYYYYYYYYYY
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PlatformStatusCodeHandlerSmm151
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PlatformStatusCodeHandlerDxe151This module YYYYYYYYYYYYYYYY
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SctMilestoneTaskSmm151This SMM driver XXXXXXXXXXXXXXXSCT (SecureCore Technology(TM) ) Milestone Task SMM driver
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SctMilestoneTaskDxe151This module YYYYYYYYYYYYYYYY
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SystemAhciAtaAtapiPassThruSmm151This SMM driver XXXXXXXXXXXXXXX
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SystemAhciAtaAtapiPassThruDxe151This module YYYYYYYYYYYYYYYY
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SystemAhciBusSmm151This SMM driver XXXXXXXXXXXXXXX
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SystemAhciBusDxe151This module YYYYYYYYYYYYYYYY
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SystemFirmwareDeviceBlockSmm151This SMM driver XXXXXXXXXXXXXXX
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SystemFirmwareDeviceBlockDxe151This module YYYYYYYYYYYYYYYY
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SystemVspBcpSmm151This SMM driver XXXXXXXXXXXXXXX
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SystemVspBcpRuntimeDxe151This module YYYYYYYYYYYYYYYY
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SystemVariableStoreManagerSmm151This SMM driver XXXXXXXXXXXXXXX
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SystemSecureFlashSleepTrapSmm151This SMM driver XXXXXXXXXXXXXXX
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SystemSecureFlashSleepTrapSmmDxe151This module YYYYYYYYYYYYYYYY
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SystemSecureFlashAuthenticationSmm151This SMM driver XXXXXXXXXXXXXXX
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SystemSecureFlashAuthenticationDxe151This module YYYYYYYYYYYYYYYY
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SystemFlashCommunicationSmm151This SMM driver XXXXXXXXXXXXXXX
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