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| Takes a u32 ('''ConfigItem'''), and returns one or more u64s ('''ConfigVal'''). | | Takes a u32 ('''ConfigItem'''), and returns one or more u64s ('''ConfigVal'''). |
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| {| class="wikitable" border="1"
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| |-
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| ! ConfigItem || Name
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| |-
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| | 1 || [[#DisableProgramVerification]]
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| |-
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| | 2 || [[#DramId]]
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| |-
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| | 3 || [[#SecurityEngineIrqNumber]]
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| |-
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| | 4 || [[#Version]]
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| |-
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| | 5 || [[#HardwareType]]
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| |-
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| | 6 || [[#IsRetail]]
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| |-
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| | 7 || [[#IsRecoveryBoot]]
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| |-
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| | 8 || [[#DeviceId]]
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| |-
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| | 9 || [1.0.0-4.0.0] [[#BootReason]]
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| |-
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| | 10 || [[#MemoryArrange]]
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| |-
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| | 11 || [[#IsDebugMode]]
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| |-
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| | 12 || [[#KernelMemoryConfiguration]]
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| |-
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| | 13 || [[#IsChargerHiZModeEnabled]]
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| |-
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| | 14 || [4.0.0+] [[#IsKiosk]]
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| |-
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| | 15 || [5.0.0+] [[#NewHardwareType]]
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| |-
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| | 16 || [5.0.0+] [[#NewKeyGeneration]]
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| |-
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| | 17 || [5.0.0+] [[#Package2Hash]]
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| |}
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| === DisableProgramVerification ===
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| [[Process Manager services|PM]] checks this item and if non-zero, calls fsp-pr SetEnabledProgramVerification(false).
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| === DramId ===
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| This is extracted directly from [[Fuse_registers#FUSE_RESERVED_ODM4|FUSE_RESERVED_ODM4]].
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| {| class="wikitable" border="1"
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| |-
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| ! Value
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| ! Description
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| |-
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| | 0
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| | DramId_EristaIcosaSamsung4gb
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| |-
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| | 1
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| | DramId_EristaIcosaHynix4gb
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| |-
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| | 2
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| | DramId_EristaIcosaMicron4gb
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| |-
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| | 3
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| | Reserved
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| |-
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| | 4
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| | DramId_EristaIcosaSamsung6gb
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| |-
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| | 5
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| | [5.0.0+] Reserved
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| |-
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| | 6
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| | [5.0.0+] Reserved
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| |-
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| | 7
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| | [5.0.0+] DramId_MarikoIowax1x2Samsung4gb
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| |-
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| | 8
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| | [5.0.0+] DramId_MarikoIowaSamsung4gb
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| |-
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| | 9
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| | [5.0.0+] DramId_MarikoIowaSamsung8gb
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| |-
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| | 10
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| | [5.0.0+] Reserved
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| |-
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| | 11
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| | [5.0.0+] Reserved
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| |-
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| | 12
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| | [5.0.0+] DramId_MarikoHoagSamsung4gb
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| |-
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| | 13
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| | [5.0.0+] DramId_MarikoHoagSamsung8gb
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| |}
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| [[PCV_services|PCV]] configures memory profiles based on DramId.
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| {| class="wikitable" border="1"
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| |-
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| ! Platform
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| ! DramId
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| ! Version
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| |-
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| | jetson-tx1
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| | N/A
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| | 11_40800_01_V9.8.3_V1.6
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| |-
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| | nx-abcb
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| | EristaIcosaSamsung4gb
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| | 10_40800_NoCfgVersion_V9.8.7_V1.6
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| |-
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| | nx-abcb
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| | EristaIcosaMicron4gb
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| | 10_40800_NoCfgVersion_V9.8.4_V1.6
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| |-
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| | nx-abcb
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| | EristaIcosaHynix4gb
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| | 10_40800_NoCfgVersion_V9.8.4_V1.6
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| |-
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| | nx-abca2
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| | EristaIcosaSamsung4gb or EristaIcosaMicron4gb
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| | 10_40800_NoCfgVersion_V9.8.7_V1.6
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| |-
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| | nx-abca2
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| | EristaIcosaHynix4gb
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| | 10_40800_NoCfgVersion_V9.8.7_V1.6
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| |-
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| | nx-abca2
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| | EristaIcosaSamsung6gb
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| | 10_40800_NoCfgVersion_V9.8.7_V1.6
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| |-
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| | nx-abca2
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| | MarikoIowax1x2Samsung4gb
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| | 01_204000_NoCfgVersion_V0.3.1_V2.0
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| |-
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| | nx-abca2
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| | MarikoIowaSamsung4gb or MarikoHoagSamsung4gb
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| | 01_204000_NoCfgVersion_V0.3.1_V2.0
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| |-
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| | nx-abca2
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| | MarikoIowaSamsung8gb or MarikoHoagSamsung8gb
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| | 01_204000_NoCfgVersion_V0.4.2_V2.0
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| |}
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| nx-abcb (Copper) is the SDEV unit. Among other differences, this has extra hardware to support HDMI output.
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| nx-abca2 (Icosa) hardware types are variations of the retail form factor.
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| === SecurityEngineIrqNumber ===
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| SPL uses this for setting up the security engine IRQ.
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| === Version ===
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| The current [[Package2#Versions|Package1 Maxver Constant]] - 1.
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| === HardwareType ===
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| [1.0.0+] This item is obtained by checking bits 8 and 2 from [[Fuse_registers#FUSE_RESERVED_ODM4|FUSE_RESERVED_ODM4]]. It can be 0 (Icosa), 1 (Copper) or 3 (Invalid).
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| [4.0.0+] This item is obtained by checking bits 8, 2 and 16-19 from [[Fuse_registers#FUSE_RESERVED_ODM4|FUSE_RESERVED_ODM4]]. It can be 0 (Icosa), 1 (Copper), 3 (Mariko) or 4 (Invalid).
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| A value of 2 (Hoag?) is always mapped to 4 (Invalid).
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| === IsRetail ===
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| This item is obtained by checking bits 9 and 0-1 from [[Fuse_registers#FUSE_RESERVED_ODM4|FUSE_RESERVED_ODM4]]. It can be 0 (Debug), 1 (Retail) or 2 (Invalid).
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| === IsRecoveryBoot ===
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| Used to determine if the system is booting from SafeMode firmware.
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| === DeviceId ===
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| [[NIM_services|NIM]] checks if this item matches the [[Settings_services|set:cal]] DeviceId with byte7 cleared. If they don't match, a panic is thrown.
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| === BootReason ===
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| Used to determine how the system booted.
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| === MemoryArrange ===
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| [[Process Manager services|PM]] uses this item for selecting the appropriate size for each [[SVC#LimitableResource|LimitableResource_Memory]].
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| === IsDebugMode ===
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| Kernel uses this to determine behavior of svcBreak positive arguments. It will break instead of just force-exiting the process which is what happens on retail.
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| [2.0.0+] This is also used with certain debug [[SVC|SVCs]].
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| [3.0.0+] [[Loader services|RO]] checks this and if set then skipping NRR rsa signatures is allowed.
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| The value of this field is loaded from [[BootConfig]] unsigned-config+0x10 u8 bit1.
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| === KernelMemoryConfiguration ===
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| Kernel reads this when setting up memory-related code. If bit0 is set, it will memset various allocated memory-regions with 0x58, 0x59, 0x5A ('X', 'Y', 'Z') instead of zero. This allows Nintendo devs to find uninitialized memory bugs. If bit17-16 is 0b01, the kernel assumes 6GB of DRAM instead of 4GB.
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| === IsChargerHiZModeEnabled ===
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| This tells if the TI Charger (bq24192) is active.
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| === NewKeyGeneration ===
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| This item is obtained from [[Fuse_registers#FUSE_RESERVED_ODM2|FUSE_RESERVED_ODM2]] if bit 11 from [[Fuse_registers#FUSE_RESERVED_ODM4|FUSE_RESERVED_ODM4]] is set, [[Fuse_registers#FUSE_RESERVED_ODM0|FUSE_RESERVED_ODM0]] matches 0x8E61ECAE and [[Fuse_registers#FUSE_RESERVED_ODM1|FUSE_RESERVED_ODM1]] matches 0xF2BA3BB2.
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| [5.0.0+] [[Filesystem services|FS]] can now use this value for the '''KeyGeneration''' parameter when calling [[#GenerateAesKek|GenerateAesKek]] during "GetBisEncryptionKey".
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| === IsKiosk ===
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| This item is bit 10 from [[Fuse_registers#FUSE_RESERVED_ODM4|FUSE_RESERVED_ODM4]].
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| [4.0.0+] [[Settings_services|Settings]] uses this value to overwrite the quest flag from [[Settings_services#set:sys|GetQuestFlag]]. This is used to detect if a Switch is a kiosk unit for display at retail stores.
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| === NewHardwareType ===
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| This item is currently hardcoded to 0.
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| [5.0.0+] [[PCV_services|PCV]] overrides the value from [[#HardwareType|HardwareType]] and configures PMIC devices with this item.
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| {| class="wikitable" border="1"
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| |-
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| ! Value
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| ! Devices
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| |-
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| | 0
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| | max77620_sd0, max77621_cpu and max77621_gpu
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| |-
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| | 1
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| | max77620_sd0, max77812_cpu and max77812_gpu
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| |-
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| | 2
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| | max77620_sd0, max77812_cpu and max77812_gpu
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| |}
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| === Package2Hash ===
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| This is a SHA-256 hash calculated over the [[Package2|package2]] image. Since the hash calculation is an optional step in pkg2ldr, this item is only valid in recovery mode. Otherwise, an error is returned instead.
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| == UserExpMod == | | == UserExpMod == |