Editing Non Volatile Storage

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On PS4, a Non Volatile Storages (NVS) is, like on PS3 and PS Vita, a storage that has two properties: it remains accessible after electricity shortage (unlike RAM) and it is non-removeable (unlike HDD). NVS is mostly used for storing tokens and flags.
The PS4 Non Volatile Storage (NVS) is, like in PS3 and PS Vita, a storage that has two properties: it remains accessible after electricity shortage (unlike RAM) and it is non-removeable (unlike HDD). NVS is mostly used for storing tokens and flags.


On PS4, there are 2 Non Volatile Storages, one in the [[Serial Flash]] and one in the [[Syscon]] EEPROM. On PS3, NVS is stored in Serial Flash (NAND or NOR) whilst on PS Vita, NVS is part of Syscon EEPROM. On PS Vita and PS4, there is also the Secure NVS (SNVS), which is a secure area of the Syscon NVS. PS4 SNVS is encrypted with some SAMU keys and can be accessed only after doing a handshake.
On PS4, there are 2 Non Volatile Storages, one in the [[Serial Flash]] and one in the [[Syscon]] EEPROM. On PS3, NVS is stored in Serial Flash (NAND or NOR) whilst on PS Vita, NVS is part of Syscon EEPROM. There is also the Secure NVS (SNVS), which is a secure area of the Syscon NVS. SNVS is encrypted with some SAMU keys and can be accessed only after doing a handshake.


See also [https://www.psdevwiki.com/ps5/Non_Volatile_Storage PS5 Non Volatile Storage].
= Syscon NVS =


= Syscon NVS =
See [[Syscon]].
 
https://fail0verflow.com/blog/2018/ps4-syscon/


See [[Syscon#Syscon_Non_Volatile_Storage]].
Syscon NVS is accessible from EMC but only after doing the handshake to unlock EMC functionalities.


= Serial Flash NVS =
= Serial Flash NVS =


PS4 [[Serial Flash]] NVS is usually stored at offset 0x1C4000 but it is not hardcoded in OS and depends on the Serial Flash MBR. The size of the whole Serial Flash NVS is 0xC000 bytes.
PS4 [[Serial Flash]] NVS is usually stored at offset 0x1C4000 (it depends on the Serial Flash MBR). The size of the whole Serial Flash NVS is 0xC000 bytes.


PS4 Serial Flash NVS can be accessed from Kernel by calling the function icc_nvs_read. It can also be read by calling IO functions, with System privileges, to open <code>/dev/sflash0s0x34</code>.
Serial Flash NVS can be accessed from Kernel by calling the function icc_nvs_read. It can also be read by calling IO functions, with System privileges, to open <code>/dev/sflash0s0x34</code>.


== Serial Flash NVS Banks ==
== Serial Flash NVS Banks ==


A total of 7 NVS blocks are separated into 2 banks: main bank and backup bank. The kernel makes use only of the bank 0 block 4 and the bank 1 block 1, even though it is allowed to read/write the other 5 banks. Indeed, <code>/dev/sflash0s0x34</code> access is provided to System applications and to Kernel. [[EMC]] is also able to access Serial Flash NVS through ICC and provides a [[Southbridge#EMC_UART_Debug_Communication|RPC interface through UART]] to read and write to NVS.
A total of 7 blocks exist in 2 banks: main bank and backup bank. The kernel makes use only of the bank 0 block 4 and the bank 1 block 1, even though it is possible to read/write the other 5 banks. Indeed, <code>/dev/sflash0s0x34</code> access is provided to System applications and to Kernel.


{| class="wikitable sortable"
{| class="wikitable sortable"
|-
|-
! Bank Index !! Block Index !! Offset in /dev/sflash0s0x34 !! Size !! Notes
! Bank # !! Block # !! Start Offset in /dev/sflash0s0x34 !! Start Offset in Sflash !! Size !! Notes
|-
|-
| 0 || 0 || 0 || 0x3000 || emc region. From 0x1000 to 0x2000 is a region containing statistics.
| 0 || 0 || 0 || 0x1C4000 || 0x3000 || emc region
|-
|-
| 0 || 1 || 0x3000 || 0x1000 || pd region
| 0 || 1 || 0x3000 || 0x1C7000 || 0x1000 || pd region
|-
|-
| 0 || 2 || 0x4000 || 0x800 || ds region
| 0 || 2 || 0x4000 || 0x1C8000 || 0x800 || ds region
|-
|-
| 0 || 3 || 0x4800 || 0x800 || cs region
| 0 || 3 || 0x4800 || 0x1C8800 || 0x800 || cs region
|-
|-
| 0 || 4 || 0x5000 || 0x3000 || os region
| 0 || 4 || 0x5000 || 0x1C9000 || 0x3000 || active/inactive os region 1
|-
|-
| 1 || 0 || 0x8000 || 0x3000 || backup region (backup of part of os and emc regions)
| 1 || 0 || 0x8000 || 0x1CC000 || 0x3000 || active/inactive os region 2
|-
|-
| 1 || 1 || 0xB000 || 0x1000 || unknown region
| 1 || 1 || 0xB000 || 0x1CF000 || 0x1000 || unknown region
|}
|}


== Detailed Serial Flash NVS Structure ==
== Detailed Serial Flash NVS Structure ==
=== Mapping of the detailed area (NVS service) 0/0 - EMCAREA ===


{| class="wikitable sortable"
{| class="wikitable sortable"
|-
|-
! Bank Index !! Block Index !! Offset in /dev/iccnvs<block> !! Size !! Notes
! Bank # !! Block # !! Start Offset in /dev/iccnvs<block> !! Start Offset in Sflash !! Size !! Notes
|-
|-
| 0 || 0 || 0 || 0x8 || [[Platform ID]]
| 0 || 0 || 0 || 0x1C4000 || 0x8 || Platform ID (e.g 04 01 01 01 01 01 04 01)
|-
|-
| 0 || 0 || 0x21 || 0x6 || Ethernet [[MAC Address]] #1 (e.g BC 60 A7 28 83 66)
| 0 || 0 || 0x21 || 0x1C4021 || 0x6 || Unknown (e.g 02 BC 60 A7 28 83 66)
|-
|-
| 0 || 0 || 0x27 || 0x6 || Ethernet [[MAC Address]] #2. If there is a second ethernet port (e.g. on DevKit), it is (Ethernet MAC Address #1) + 1, else FFed. (e.g BC 60 A7 28 83 67, FF FF FF FF FF FF)
| 0 || 0 || 0x27 || 0x1C4027 || 0x6 || Unknown
|-
|-
| 0 || 0 || 0x4E || 0x2 || Unknown (e.g 25 16)
| 0 || 0 || 0x4E || 0x1C404E || 0x2 || Unknown (e.g 25 16)
|-
|-
| 0 || 0 || 0x50 || 0x5 || Unknown (e.g 12 FF 00 00 00)
| 0 || 0 || 0x50 || 0x1C4050 || 0x5 || Unknown (e.g 12 FF 00 00 00)
|-
|-
| 0 || 0 || 0x60 || 0x5 || Unknown (e.g 04 02 01 01 02)
| 0 || 0 || 0x60 || 0x1C4060 || 0x5 || Unknown (e.g 04 02 01 01 02)
|-
|-
| 0 || 0 || 0x73 || 0x1 || Unknown (e.g 01)
| 0 || 0 || 0x73 || 0x1C4073 || 0x1 || Unknown (e.g 01)
|-
|-
| 0 || 0 || 0x76 || 0x1 || Unknown (e.g 01)
| 0 || 0 || 0x76 || 0x1C4076 || 0x1 || Unknown (e.g 01)
|-
|-
| 0 || 0 || 0x7A || 0x6 || Unknown (e.g 00 00 00 00 00 38)
| 0 || 0 || 0x7A || 0x1C407A || 0x6 || Unknown (e.g 00 00 00 00 00 38)
|-
|-
| 0 || 0 || 0x80 || 0x1 || Unknown (e.g. 00)
| 0 || 0 || 0x80 || 0x1C4080 || 0x1 || Unknown (e.g. 00)
|-
|-
| 0 || 0 || 0x82 || 0x3 || Unknown (e.g. 01 01 01)
| 0 || 0 || 0x82 || 0x1C4082 || 0x3 || Unknown (e.g. 01 01 01)
|-
|-
| 0 || 0 || 0x91 || 0x2 || Unknown (e.g 00 00)
| 0 || 0 || 0x91 || 0x1C4091 || 0x2 || Unknown (e.g 00 00)
|-
|-
| 0 || 0 || 0x96 || 0x3 || Unknown
| 0 || 0 || 0x96 || 0x1C4096 || 0x3 ||  
|-
|-
| 0 || 0 || 0x9A || 0x2 || Unknown (e.g 02 02)
| 0 || 0 || 0x9A || 0x1C409A || 0x2 || Unknown (e.g 02 02)
|-
|-
| 0 || 0 || 0x9E || 0x2 || Unknown (e.g 00 00)
| 0 || 0 || 0x9E || 0x1C409E || 0x2 || Unknown (e.g 00 00)
|-
|-
| 0 || 0 || 0xA0 || 0x3 || Unknown (e.g 01 01 01)
| 0 || 0 || 0xA0 || 0x1C40A0 || 0x3 || Unknown (e.g 01 01 01)
|-
|-
| 0 || 0 || 0xAC || 0x4 || Unknown
| 0 || 0 || 0xAC || 0x1C40AC || 0x4 ||  
|-
|-
| 0 || 0 || 0xC5 || 0x3 || Unknown (e.g AA AA AA)
| 0 || 0 || 0xC5 || 0x1C40C5 || 0x3 || Unknown (e.g AA AA AA)
|-
|-
| 0 || 0 || 0x204 || 0x1 || Unknown (e.g 00)
| 0 || 0 || 0x204 || 0x1C4204 || 0x1 || Unknown (e.g 00)
|-
|-
| 0 || 0 || 0x20B || 0x1 || Unknown (e.g 00)
| 0 || 0 || 0x20B || 0x1C420B || 0x1 || Unknown (e.g 00)
|-
|-
| 0 || 0 || 0x210 || 0x2 || Unknown (e.g 49 42)
| 0 || 0 || 0x210 || 0x1C4210 || 0x2 || Unknown (e.g 49 42)
|-
|-
| 0 || 0 || 0x7FE || 0x2 || Unknown (e.g AF 31)
| 0 || 0 || 0x7FE || 0x1C47FE || 0x2 || Unknown (e.g AF 31)
|-
|-
| 0 || 0 || 0x801 || 0x1 || Unknown
| 0 || 0 || 0x801 || 0x1C4801 || 0x1 ||  
|-
|-
| 0 || 0 || 0x810 || 0x12 || Unknown
| 0 || 0 || 0x810 || 0x1C4810 || 0x12 ||  
|-
|-
| 0 || 0 || 0x84C || 0x2 || Unknown
| 0 || 0 || 0x84C || 0x1C484C || 0x2 ||  
|-
|-
| 0 || 0 || 0x854 || 0x2 || Unknown
| 0 || 0 || 0x854 || 0x1C4854 || 0x2 ||  
|-
|-
| 0 || 0 || 0x870 || 0xC || Unknown
| 0 || 0 || 0x870 || 0x1C4870 || 0xC ||  
|-
|-
| 0 || 0 || 0x8A0 || 0x1C || Unknown
| 0 || 0 || 0x8A0 || 0x1C48A0 || 0x1C ||  
|-
|-
| 0 || 0 || 0xFFE || 0x2 || Unknown
| 0 || 0 || 0xFFE || 0x1C4FFE || 0x2 ||  
|-
|-
| 0 || 0 || 0x1000 || 0x4 || soc wakeup source (Only one possible value 00 07 FF 07)
| 0 || 0 || 0x1000 || 0x1C5000 || 0x4 || soc wakeup source (Only one possible value 00 07 FF 07)
|-
|-
| 0 || 0 || 0x1004 || 0x4 || eap wakeup source (Only one possible value 00 07 FF 07)
| 0 || 0 || 0x1004 || 0x1C5004 || 0x4 || eap wakeup source (Only one possible value 00 07 FF 07)
|-
|-
| 0 || 0 || 0x1008 || 0x4 || soc wakeup source beep (Possible Values 00 03 0C 04) or (anything between 00 00 00 00 and FF 03 00 00)
| 0 || 0 || 0x1008 || 0x1C5008 || 0x4 || soc wakeup source beep (Possible Values 00 03 0C 04) or (anything between 00 00 00 00 and FF 03 00 00)
|-
|-
| 0 || 0 || 0x100C || 0x4 || eap wakeup source beep (Possible Values 00 00 00 04) or (anything between 00 00 00 00 and FF 03 00 00)
| 0 || 0 || 0x100C || 0x1C500C || 0x4 || eap wakeup source beep (Possible Values 00 00 00 04) or (anything between 00 00 00 00 and FF 03 00 00)
|-
|-
| 0 || 0 || 0x1030 || 0x4 || NumberOfBootShutdown type A #1. Updated on each boot or shutdown. (e.g. 1167, 1168)
| 0 || 0 || 0x1030 || 0x1C5030 || 0x4 || NumberOfBootShutdown
|-
|-
| 0 || 0 || 0x1034 || 0x4 || NumberOfBootShutdown type A #2. Updated on each boot or shutdown. (e.g. 1167, 1168)
| 0 || 0 || 0x1034 || 0x1C5034 || 0x4 || NumberOfBootShutdown as well
|-
|-
| 0 || 0 || 0x1038 || 0x8 || dbi_time type A. Updated on each boot or shutdown. (e.g. 10890480, 10896060 -> delta_t = 5580)
| 0 || 0 || 0x1038 || 0x1C5038 || 0x8 || dbi_time  
|-
|-
| 0 || 0 || 0x1040 || 0x4 || NumberOfBootShutdown type B #1. Updated on each boot or shutdown. (e.g. 221, 222). Maybe related to HDD or power AC.
| 0 || 0 || 0x1040 || 0x1C5040 || 0x4 || NumberOfBootShutdown as well
|-
|-
| 0 || 0 || 0x1044 || 0x4 || NumberOfBootShutdown type B #2. Updated on each boot or shutdown. (e.g. 221, 222). Maybe related to HDD or power AC.
| 0 || 0 || 0x1044 || 0x1C5044 || 0x4 || NumberOfBootShutdown as well
|-
|-
| 0 || 0 || 0x1048 || 0x8 || dbi_time type B. Updated on each boot or shutdown. (e.g. 10067580, 10117800 -> delta_t = 50220)
| 0 || 0 || 0x1048 || 0x1C5048 || 0x8 || dbi_time as well
|-
|-
| 0 || 0 || 0x1050 || 0x4 || NumberOfBoot type C. Updated on each boot. (e.g. 1099, 1100). Maybe related to suspend mode.
| 0 || 0 || 0x1050 || 0x1C5050 || 0x4 || NumberOfBootShutdown as well
|-
|-
| 0 || 0 || 0x1054 || 0x4 || NumberOfShutdown type C. Updated on each shutdown. (e.g. 1098, 1099). Maybe related to suspend mode.
| 0 || 0 || 0x1054 || 0x1C5054 || 0x4 || NumberOfBootShutdown as well
|-
|-
| 0 || 0 || 0x1058 || 0x8 || dbi_time type C. (e.g. 13855980, 13861620 -> delta_t = 5640)
| 0 || 0 || 0x1058 || 0x1C5058 || 0x8 || dbi_time as well
|-
|-
| 0 || 0 || 0x1220 || 0x18 || Unknown
| 0 || 0 || 0x1220 || 0x1C5220 || 0x18 ||  
|-
|-
| 0 || 0 || 0x1240 || 0x18 || Unknown
| 0 || 0 || 0x1240 || 0x1C5240 || 0x18 ||  
|-
|-
| 0 || 0 || 0x1260 || 0x18 || Unknown
| 0 || 0 || 0x1260 || 0x1C5260 || 0x18 ||  
|-
|-
| 0 || 0 || 0x1280 || 0x18 || Unknown
| 0 || 0 || 0x1280 || 0x1C5280 || 0x18 ||  
|-
|-
| 0 || 0 || 0x12A0 || 0x18 || Unknown
| 0 || 0 || 0x12A0 || 0x1C52A0 || 0x18 ||  
|-
|-
| 0 || 0 || 0x12C0 || 0x18 || Unknown
| 0 || 0 || 0x12C0 || 0x1C52C0 || 0x18 ||  
|-
|-
| 0 || 0 || 0x12E0 || 0x18 || Unknown
| 0 || 0 || 0x12E0 || 0x1C52E0 || 0x18 ||  
|-
|-
| 0 || 0 || 0x1300 || 0x18 || Unknown
| 0 || 0 || 0x1300 || 0x1C5300 || 0x18 ||  
|-
|-
| 0 || 0 || 0x1320 || 0x18 || Unknown
| 0 || 0 || 0x1320 || 0x1C5320 || 0x18 ||  
|-
|-
| 0 || 0 || 0x1340 || 0x18 || Unknown
| 0 || 0 || 0x1340 || 0x1C5340 || 0x18 ||  
|-
|-
| 0 || 0 || 0x1360 || 0x18 || Unknown
| 0 || 0 || 0x1360 || 0x1C5360 || 0x18 ||  
|-
|-
| 0 || 0 || 0x1380 || 0x18 || Unknown
| 0 || 0 || 0x1380 || 0x1C5380 || 0x18 ||  
|-
|-
| 0 || 0 || 0x13A0 || 0x18 || Unknown
| 0 || 0 || 0x13A0 || 0x1C53A0 || 0x18 ||  
|-
|-
| 0 || 0 || 0x13C0 || 0x18 || Unknown
| 0 || 0 || 0x13C0 || 0x1C53C0 || 0x18 ||  
|-
|-
| 0 || 0 || 0x13E0 || 0x18 || Unknown
| 0 || 0 || 0x13E0 || 0x1C53E0 || 0x18 ||  
|-
|-
| 0 || 0 || 0x1400 || 0x18 || Unknown
| 0 || 0 || 0x1400 || 0x1C5400 || 0x18 ||  
|-
|-
| 0 || 0 || 0x1420 || 0x18 || Unknown
| 0 || 0 || 0x1420 || 0x1C5420 || 0x18 ||  
|-
|-
| 0 || 0 || 0x1440 || 0x18 || Unknown
| 0 || 0 || 0x1440 || 0x1C5440 || 0x18 ||  
|-
|-
| 0 || 0 || 0x1460 || 0x18 || Unknown
| 0 || 0 || 0x1460 || 0x1C5460 || 0x18 ||  
|-
|-
| 0 || 0 || 0x1480 || 0x18 || Unknown
| 0 || 0 || 0x1480 || 0x1C5480 || 0x18 ||  
|-
|-
| 0 || 0 || 0x14A0 || 0x18 || Unknown
| 0 || 0 || 0x14A0 || 0x1C54A0 || 0x18 ||  
|-
|-
| 0 || 0 || 0x14C0 || 0x18 || Unknown
| 0 || 0 || 0x14C0 || 0x1C54C0 || 0x18 ||  
|-
|-
| 0 || 0 || 0x14E0 || 0x18 || Unknown
| 0 || 0 || 0x14E0 || 0x1C54E0 || 0x18 ||  
|-
|-
| 0 || 0 || 0x1500 || 0x18 || Unknown
| 0 || 0 || 0x1500 || 0x1C5500 || 0x18 ||  
|-
|-
| 0 || 0 || 0x1520 || 0x18 || Unknown
| 0 || 0 || 0x1520 || 0x1C5520 || 0x18 ||  
|-
|-
| 0 || 0 || 0x1540 || 0x18 || Unknown
| 0 || 0 || 0x1540 || 0x1C5540 || 0x18 ||  
|-
|-
| 0 || 0 || 0x1560 || 0x18 || Unknown
| 0 || 0 || 0x1560 || 0x1C5560 || 0x18 ||  
|-
|-
| 0 || 0 || 0x1580 || 0x18 || Unknown
| 0 || 0 || 0x1580 || 0x1C5580 || 0x18 ||  
|-
|-
| 0 || 0 || 0x15A0 || 0x18 || Unknown
| 0 || 0 || 0x15A0 || 0x1C55A0 || 0x18 ||  
|-
|-
| 0 || 0 || 0x15C0 || 0x18 || Unknown
| 0 || 0 || 0x15C0 || 0x1C55C0 || 0x18 ||
|-
|-
| 0 || 0 || 0x2000 || 0x8 || Unknown #1 (e.g. 05 4D 7E 5C 5A A0 00 03 on a DUH-T2000JA, 71 BD 2D 85 53 A4 00 03 on a DUH-T1200AA, D5 71 D4 5F 89 90 00 03 on a CUH-2216B B01Y SAF-003)
| 0 || 0 || 0x2000 || 0x1C6000 || 0x8 ||  
|-
|-
| 0 || 0 || 0x2008 || 0x8 || Unknown #2 (e.g. F8 9C DE 5F 57 6E 00 03 on a DUH-T2000JA, D1 03 75 5F 1B 40 00 03 on a DUH-T1200AA, FFed on a CUH-2216B B01Y SAF-003)
| 0 || 1 || 0x0 || 0x1C7000 || 0x40 ||  
|-
|-
| 0 || 0 || 0x2010 || 0x8 || Unknown #3 (e.g. 09 93 BF 5F 89 90 00 03 on a DUH-T2000JA, FFed on a DUH-T1200AA, CUH-2216B B01Y SAF-003)
| 0 || 1 || 0x18 || 0x1C7018 || 0x1  || Wlan5GHzInfo (00 Not Supported 0C Supported, some reach 8C Supported, max reach (ac?) )  
|-
|-
| 0 || 0 || 0x2018 || 0x8 || Unknown #4 (e.g. 3F A0 92 9F 93 F4 00 03 on a DUH-T2000JA, FFed on a DUH-T1200AA, CUH-2216B B01Y SAF-003)
| 0 || 1 || 0x40 || 0x1C7040 || 0x10 || trsw_attach (e.g 1F FF 00 00 07 FF FF 07 FF FF 00 00 00 00 00 00)
|-
|-
| 0 || 0 || 0x2020 || 0x8 || Unknown #5 (e.g. 99 16 06 4C 03 88 00 03 on a DUH-T2000JA, FFed on a DUH-T1200AA, CUH-2216B B01Y SAF-003)
| 0 || 1 || 0xA0 || 0x1C70A0 || 0x2 || VrmOcp
|-
|-
| 0 || 0 || 0x2028 || 0x8 || Unknown #6 (e.g. D5 6A A0 E9 B6 98 00 03 on a DUH-T2000JA, FFed on a DUH-T1200AA, CUH-2216B B01Y SAF-003)
| 0 || 1 || 0xB0 || 0x1C70B0 || 0x1 || ????
|-
|-
| 0 || 0 || 0x2030 || 0x8 || Unknown #7 (e.g. D6 8C 00 31 10 58 00 03 on a DUH-T2000JA, FFed on a DUH-T1200AA, CUH-2216B B01Y SAF-003)
| 0 || 1 || 0xB1 || 0x1C70B1 || 0x1 || rtc info.corrMode
|-
|-
| 0 || 0 || 0x2038 || ... || Unknown... (FFed on a DUH-T2000JA, DUH-T1200AA, CUH-2216B B01Y SAF-003)
| 0 || 1 || 0xB2 || 0x1C70B2 || 0x1 || rtc info.corrValue
|}
 
=== Mapping of the detailed area (NVS service) 0/1 - PDAREA ===
 
{| class="wikitable sortable"
|-
|-
! Bank Index !! Block Index !! Offset in /dev/iccnvs<block> !! Size !! Notes
| 0 || 1 || 0xB3 || 0x1C70B3 || 0x1 || rtc info.corrValueExt
|-
|-
| 0 || 1 || 0x0 || 0x40 || Unknown
| 0 || 1 || 0xC0 || 0x1C70C0 || 0x1 || ????
|-
|-
| 0 || 1 || 0x18 || 0x1 || Wlan5GHzInfo (0x00 Unsupported, 0x0C Supported, some reach 0x8C Supported, max reach (wifi ac?) )
| 0 || 2 || 0x0 || 0x1C8000 || 0xE || KibanID (e.g 33001D00836391)  
|-
|-
| 0 || 1 || 0x40 || 0x10 || trsw_attach (e.g 1F FF 00 00 07 FF FF 07 FF FF 00 00 00 00 00 00)
| 0 || 2 || 0x10 || 0x1C8010 || 0x10 || SOCUID (e.g DA 24 7A 4C FB AB D3 CA D0 95 53 7C 7B F1 45 A9)
|-
|-
| 0 || 1 || 0xA0 || 0x2 || VrmOcp
| 0 || 2 || 0x20 || 0x1C8020 || 0x10 || ViopData
|-
|-
| 0 || 1 || 0xB0 || 0x1 || Unkown
| 0 || 2 || 0x30 || 0x1C8030 || 0x11 || Used in FW 5.05. Unique identifier of console, hw_info (e.g 00TS4DB00K2180050)
|-
|-
| 0 || 1 || 0xB1 || 0x1 || rtc info.corrMode
| 0 || 2 || 0x41 || 0x1C8041 || 0x1F || Used in later firmwares. Unique identifier of console, hw_model (e.g DUT-DBW00JK-S0ÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿ) aka Product Name
|-
|-
| 0 || 1 || 0xB2 || 0x1 || rtc info.corrValue
| 0 || 2 || 0x60 || 0x1C8060 || 0x38 || Unknown
|-
|-
| 0 || 1 || 0xB3 || 0x1 || rtc info.corrValueExt
| 0 || 2 || 0x98 || 0x1C8098 || 0x8 || Unknown (e.g A8 32 2A 40 67 9E 01 30)
|-
|-
| 0 || 1 || 0xC0 || 0x1 || Unknown
| 0 || 2 || 0xA0 || 0x1C80A0 || 0x8 || Unknown (e.g 07 4C 11 63 6E B6 72 03)
|}
 
=== Mapping of the detailed area (NVS service) 0/2 - DSAREA ===
 
{| class="wikitable sortable"
|-
! Bank Index !! Block Index !! Offset in /dev/iccnvs<block> !! Size !! Notes
|-
| 0 || 2 || 0x0 || 0xE || KibanID (e.g 33001D00836391)
|-
| 0 || 2 || 0x10 || 0x10 || SOCUID (e.g DA 24 7A 4C FB AB D3 CA D0 95 53 7C 7B F1 45 A9)
|-
|-
| 0 || 2 || 0x20 || 0x10 || ViopData
| 0 || 2 || 0xA8 || 0x1C80A8 || 0x4 || Unknown (e.g 07 8F 31 51)
|-
|-
| 0 || 2 || 0x30 || 0x11 || hw_info (e.g 00TS4DB00K2180050). Used in System Software 5.05. Unique identifier of console.
| 0 || 2 || 0xAF || 0x1C80AF || 0x1 || Unknown (e.g C2)
|-
|-
| 0 || 2 || 0x41 || 0x1F || hw_model (e.g DUT-DBW00JK-S0ÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿ) aka Product Name. Used in recent System Software. Unique identifier of console.
| 0 || 2 || 0xB0 || 0x1C80B0 || 0x8 || Unknown (e.g 01 01 01 01 06 06 06 06 FF FF)
|-
|-
| 0 || 2 || 0x60 || 0x38 || Unknown
| 0 || 2 || 0xC0 || 0x1C80C0 || 0xD || (e.g 0000027452252) Product Code (first 5 zeroes are Product Code Branch Number)
|-
|-
| 0 || 2 || 0x98 || 0x8 || Unknown (e.g A8 32 2A 40 67 9E 01 30)
| 0 || 2 || 0x100 || 0x1C8100 || 0x20 || (e.g 00 02 F4 C1 64 E6 83 41 0C D0 8D 91 38 56 50 AE 15 3E 60 9E 70 16 17 1A 1C 18 26 25 1B 1B F5 F7)
|-
|-
| 0 || 2 || 0xA0 || 0x8 || Unknown (e.g 07 4C 11 63 6E B6 72 03)
| 0 || 2 || 0x7D0 || 0x1C87D0 || 0x20 || Manufacturing Process Flags (01 enabled, 00 disabled) (e.g 01 01 01 01 01 01 01 01 01 00 00 00 00 00 00 00)
|-
|-
| 0 || 2 || 0xA8 || 0x4 || Unknown (e.g 07 8F 31 51)
| 0 || 2 || 0x7F0 || 0x1C87F0 || 0x2 ||  (e.g 01 FF) -> Disc Boot Time
|-
|-
| 0 || 2 || 0xAF || 0x1 || Unknown (e.g 0xC2)
| 0 || 2 || 0x7FE || 0x1C87FE || 0x2 ||  (e.g FF FF) -> Disc Boot Time
|-
|-
| 0 || 2 || 0xB0 || 0x8 || Unknown (e.g 01 01 01 01 06 06 06 06 FF FF)
| 0 || 3 || 0x7B0 || 0x1C8FB0 || 0x1 || CS Config Mode
|-
|-
| 0 || 2 || 0xC0 || 0xD || (e.g 0000027452252) Product Code (first 5 digits are Product Code Branch Number)
| 0 || 4 || 0x0 || 0x1C9000 || 0x20 || DIP Switches (see below)
|-
|-
| 0 || 2 || 0x100 || 0x20 || (e.g 00 02 F4 C1 64 E6 83 41 0C D0 8D 91 38 56 50 AE 15 3E 60 9E 70 16 17 1A 1C 18 26 25 1B 1B F5 F7)
| 0 || 4 || 0x0  || 0x1C9000 || 0x1 || SCE_REGMGR_ENT_KEY_DEVENV_TOOL_boot_param (FE Development Mode) (FB Assist Mode) (FF Release Mode)
|-
|-
| 0 || 2 || 0x7D0 || 0x20 || Manufacturing Process Flags (01 enabled, 00 disabled) (e.g 01 01 01 01 01 01 01 01 01 00 00 00 00 00 00 00)
| 0 || 4 || 0x3 || 0x1C9003 || 0x1 || Memory Budget (0xFF Normal, 0xFE Large)
|-
|-
| 0 || 2 || 0x7F0 || 0x2 || (e.g 01 FF) -> Disc Boot Time ?why are there two entries with different values?
| 0 || 4 || 0x5 || 0x1C9005 || 0x1 || Slow HDD Mode (0xFE ON) (0xFF OFF)
|-
|-
| 0 || 2 || 0x7FE || 0x2 || (e.g FF FF) -> Disc Boot Time ?why are there two entries with different values?
| 0 || 4 || 0xB || 0x1C900B || 0x1 || Unknown (0x87 on prototype DevKit)
|}
 
=== Mapping of the detailed area (NVS service) 0/3 - CSAREA ===
 
{| class="wikitable sortable"
|-
|-
! Bank Index !! Block Index !! Offset in /dev/iccnvs<block> !! Size !! Notes
| 0 || 4 || 0x10 || 0x1C9010 || 0x1 || vsh_4K Mode (0xFE ON) (0xFF OFF)
|-
|-
| 0 || 3 || 0x0 || 0x7B0 || Unknown area
| 0 || 4 || 0x1F || 0x1C901F || 0x1 || ??? (e.g 7F)
|-
|-
| 0 || 3 || 0x7B0 || 0x1 || CS Config Mode
| 0 || 4 || 0x20 || 0x1C9020 || 0x1 || init_safe_mode flag (e.g F1)
|-
|-
| 0 || 3 || 0x7B1 || 0x4F || Unknown area
| 0 || 4 || 0x21 || 0x1C9021 || 0x1 || sysctl_machdep_cavern_dvt1_init_update
|}
 
=== Mapping of the detailed area (NVS service) 0/4 - OSAREA ===
 
{| class="wikitable sortable"
|-
|-
! Bank Index !! Block Index !! Offset in /dev/iccnvs<block> !! Size !! Notes
| 0 || 4 || 0x30 || 0x1C9030 || 0x1 || trsw_probe (01 for [ WLAN mode : FT ], else [ WLAN mode : OFF ]) also bt_sdio_probe and trs_probe
|-
|-
| 0 || 4 || 0x0 || 0x20 || [[DIP Switches]]. Set on Dev/Test Kits and some internal units only.
| 0 || 4 || 0x38 || 0x1C9038 || 0x1 || gigabit ethernet (gbe) related
|-
|-
| 0 || 4 || 0x20 || 0x1 || init_safe_mode flag (e.g 0xF1). Used in init_safe_mode.
| 0 || 4 || 0x50 || 0x1C9050 || 0x1 || is_extra_clock_available_rtc_status
|-
|-
| 0 || 4 || 0x21 || 0x1 || init_update flag. Used in sysctl_machdep_cavern_dvt1_init_update.
| 0 || 4 || 0x60 || 0x1C9060 || 0x4 || SMI SDK version (e.g 00 00 50 02 (2.50)) (minimal version)
|-
|-
| 0 || 4 || 0x30 || 0x1 || trsw_probe (0x01 for [ WLAN mode : FT ], else [ WLAN mode : OFF ]) also bt_sdio_probe and trs_probe
| 0 || 4 || 0x64 || 0x1C9064 || 0x1 || ?????
|-
|-
| 0 || 4 || 0x38 || 0x1 || gigabit ethernet (gbe) related
| 0 || 4 || 0x65 || 0x1C9065 || 0x1 || CsBackupMode
|-
|-
| 0 || 4 || 0x50 || 0x1 || is_extra_clock_available_rtc_status
| 0 || 4 || 0x67 || 0x1C9067 || 0x1 || ?????
|-
|-
| 0 || 4 || 0x60 || 0x4 || [[SMI]] SDK version (e.g 00 00 50 02 (2.50)). This is the minimal version of the System Software supported by this hardware.
| 0 || 4 || 0x68 || 0x1C9068 || 0x4 || Current SDK version 2 (e.g 00 00 05 05 (5.05))
|-
|-
| 0 || 4 || 0x64 || 0x1 || Unknown
| 0 || 4 || 0x70 || 0x1C9070 || 0x4 || manu_mode related (sdk version?)
|-
|-
| 0 || 4 || 0x65 || 0x1 || CsBackupMode
| 0 || 4 || 0x74 || 0x1C9074 || 0x4 || Unknown (e.g. 84 72 4E 57)
|-
|-
| 0 || 4 || 0x67 || 0x1 || Unkown
| 0 || 4 || 0x7C || 0x1C907C || 0x4 || manu_mode related (sdk version?)
|-
|-
| 0 || 4 || 0x68 || 0x4 || Current SDK version 2 (e.g 00 00 05 05 (5.05))
| 0 || 4 || 0x80 || 0x1C9080 || varies (0x68-0x6C) || acf token <- checked by sceSblDevActVerifyCheckExpire
|-
|-
| 0 || 4 || 0x70 || 0x4 || manu_mode related (SDK version?)
| 0 || 4 || 0x100 || 0x1C9100 || 0xF0 || sce_cam_error_put
|-
|-
| 0 || 4 || 0x74 || 0x4 || Unknown (e.g. 84 72 4E 57)
| 0 || 4 || 0x200 || 0x1C9200 || varies (0x40-0x60) || scrambled/obfuscated eap hdd key <- checked by g_crypt_deferred_init, also checked by read_idstorage
|-
|-
| 0 || 4 || 0x7C || 0x4 || manu_mode related (SDK version?)
| 0 || 4 || 0x300 || 0x1C9300 || 0x30 || sam/liverpool flags (see below)
|-
|-
| 0 || 4 || 0x80 || 0x68 on 1.00-1.76, 0x6C on ? || [[Activation ACF]] token <- checked by sceSblDevActVerifyCheckExpire
| 0 || 4 || 0x301 || 0x1C9301 || 1 || unknown (01 = enabled) (only available for prototype)
|-
|-
| 0 || 4 || 0x100 || 0xF0 || sce_cam_error_put
| 0 || 4 || 0x310 || 0x1C9310 || 1 || sam_memtest (01 = enabled)
|-
|-
| 0 || 4 || 0x200 || varies (0x40-0x60) || obfuscated eap hdd key <- checked by g_crypt_deferred_init, also checked by read_idstorage
| 0 || 4 || 0x311 || 0x1C9311 || 1 || unknown (01 = enabled) (only available for prototype)
|-
|-
| 0 || 4 || 0x300 || 0x30 || [[#SAM/Liverpool_Flags NVS Area|SAM/Liverpool Flags NVS Area]]
| 0 || 4 || 0x312 || 0x1C9312 || 1 || sam_rngtest (01 = enabled)
|-
|-
| 0 || 4 || 0x3B0 || 1 || Unknown
| 0 || 4 || 0x31F || 0x1C931F || 1 || extra UART. 0xFF - extra UART disabled, 0x00 - extra UART enabled when ???, 0x01 - extra UART enabled
|-
|-
| 0 || 4 || 0x400 || 0x800 || [[#dev/qaf/utkn_NVS_Area|dev/qaf/utkn NVS Area]]
| 0 || 4 || 0x320 || 0x1C9320 || 1 || lvp_configure_get_gddr5clk (0x14 = 500Mhz) (whatever value here is multiplied by 0x19 to get final value) (0xED max value, 5925Mhz) (500Mhz will semi-brick the console with DCT errors, however for some stupid reason BwE's lets user pick ranges from 400 to 2250MHz)
|-
|-
| 0 || 4 || 0xA00 || 0x190 || token?
| 0 || 4 || 0x322 || 0x1C9322 || 1 || lvp_configure_tccds
|-
|-
| 0 || 4 || 0xC00 || 0x3C || HDD Information (byte swapped ASCII) (e.g "GHTSH ST4501019A6E08                    613081DJ0124FZD129SN" for an HGST HDD)
| 0 || 4 || 0x323 || 0x1C9323 || 1 || sam_boot_flags (anything other than FF for enabled)
|-
|-
| 0 || 4 || 0xC3C || 0x04 || Unknown (e.g 05 C6 0A 00)
| 0 || 4 || 0x329 || 0x1C9329 || 1 || related to lvp_config (likely gddr5DebugFlag, 1->Read DBI disabled, 2->Write DBI disabled, 4->ABI disabled, 8->Force auto precharge enabled, 0x10 -> Bank swap disabled, 0x20-> Bank swizzle mode disabled, 0x3F -> Everything set)
|-
|-
| 0 || 4 || 0xC40 || 0x130 || PUP Expiration Status (used in setPupExpirationStatus)
| 0 || 4 || 0x3B0 || 0x1C93B0 || 1 || ????
|-
|-
| 0 || 4 || 0x1000 || 0x300 || [[#Registry Manager NVS area 1]]
| 0 || 4 || 0x400 || 0x1C9400 || 0x800 || dev/qaf/utkn region (see below)
|-
|-
| 0 || 4 || 0x1300 || 0x300 || [[#Registry Manager NVS area 2]]
| 0 || 4 || 0x400 || 0x1C9400 || 0x210 || token???
|-
|-
| 0 || 4 || 0x1600 || 0x20 || [[#Registry Manager Entitlement Key NVS area]]
| 0 || 4 || 0x150 || 0x1C9650 || 0x290 || qafutkn_ioctl?
|-
|-
| 0 || 4 || 0x2C00 || 0x20 || manufacturing mode (all zeroes for enabled, all 0xFFs for disabled)
| 0 || 4 || 0x900 || 0x1C9900 || 0x100 || acf RSA signature
|-
|-
| 0 || 4 || 0x2C40 || 0x20 || Unknown
| 0 || 4 || 0xA00 || 0x1C9A00 || 0x190 || token???
|-
|-
| 0 || 4 || 0x2CC0 || 0x20 || srtc_modevent
| 0 || 4 || 0xC00 || 0x1C9C00 || 0x3C || HDD Info (byte swapped ASCII) (e.g "GHTSH ST4501019A6E08                    613081DJ0124FZD129SN" for an HGST HDD)
|}
 
=== Mapping of the detailed area (NVS service) 1/0 - BACKUPAREA ===
 
{| class="wikitable sortable"
|-
|-
! Bank Index !! Block Index !! Offset in /dev/iccnvs<block> !! Size !! Notes
| 0 || 4 || 0xC3C || 0x1C9C3C || 0x04 || Unknown (e.g 05 C6 0A 00)
|-
|-
| 1 || 0 || 0x0 || 0x2000 || Equivalent (active/inactive bank) of NVS area 0x5000-0x6FFF (part of OSAREA). First 0x1000 bytes are usually a 1:1 copy but the rest depends on Registry Settings.
| 0 || 4 || 0xC40 || 0x1C9C40 || 0x130 || setPupExpirationStatus
|-
|-
| 1 || 0 || 0x2000 || 0x1000 || Equivalent (active/inactive bank) of NVS area 0x1000-0x1FFF (part of EMCAREA). Differences (non-exhaustive):
| 0 || 4 || 0x1000 || 0x1CA000 || 0x300 || Registry Manager NVS area 1
* NumberOfBootShutdown type B #1 and #2, type C #1 and #2 are decremented by one (values before last update)
* dbi_time type B and type C are set to their values of before last update
|}
 
=== Mapping of the detailed area (NVS service) 1/0 - Unknown Area ===
 
{| class="wikitable sortable"
|-
|-
! Bank Index !! Block Index !! Offset in /dev/iccnvs<block> !! Size !! Notes
| 0 || 4 || 0x100E || 0x1CA00E || 0x1 || Unknown (Not Regions)
|-
|-
| 1 || 1 || 0x0 || 0x1 || Unknown. 0xFF disabled, 0x00 enabled
| 0 || 4 || 0x1040 || 0x1CA040 || 0x1 || Circle Button Behaviour (0x01 for Circle as Go Back) (0x00 for Circle as Accept)
|-
|-
| 1 || 1 || 0x1 || 0xFFE || Unknown. 0xFFed by default.
| 0 || 4 || 0x1300 || 0x1CA300 || 0x300 || Registry Manager NVS area 2
|}
 
=== SAM/Liverpool Flags ===
 
{| class="wikitable sortable"
|-
! Bank Index !! Block Index !! Offset in /dev/iccnvs<block> !! Size !! Notes
|-
| 0 || 4 || 0x301 || 1 || unknown (01 = enabled) (only available for prototype)
|-
| 0 || 4 || 0x310 || 1 || sam_memtest (01 = enabled)
|-
| 0 || 4 || 0x311 || 1 || unknown (01 = enabled) (only available for prototype)
|-
| 0 || 4 || 0x312 || 1 || sam_rngtest (01 = enabled)
|-
| 0 || 4 || 0x31F || 1 || extra UART. 0xFF - extra UART disabled, 0x00 - extra UART enabled when ???, 0x01 - extra UART enabled
|-
| 0 || 4 || 0x320 || 1 || lvp_configure_get_gddr5clk (0x14 = 500Mhz) (whatever value here is multiplied by 0x19 to get final value) (0xED max value, 5925Mhz) (500Mhz will semi-brick the console with DCT errors, however for some stupid reason BwE's lets user pick ranges from 400 to 2250MHz)
|-
| 0 || 4 || 0x322 || 1 || lvp_configure_tccds
|-
| 0 || 4 || 0x323 || 1 || sam_boot_flags (anything other than 0xFF for enabled)
|-
| 0 || 4 || 0x329 || 1 || related to lvp_config (likely gddr5DebugFlag, 1->Read DBI disabled, 2->Write DBI disabled, 4->ABI disabled, 8->Force auto precharge enabled, 0x10 -> Bank swap disabled, 0x20-> Bank swizzle mode disabled, 0x3F -> Everything set)
|}
 
=== dev/qaf/utkn NVS Area ===
 
{| class="wikitable sortable"
|-
! Bank Index !! Block Index !! Offset in /dev/iccnvs<block> !! Size !! Notes
|-
|-
| 0 || 4 || 0x400 || 0x210 || token?
|-
| 0 || 4 || 0x150 || 0x290 || qafutkn_ioctl?
|-
| 0 || 4 || 0x900 || 0x100 || [[Activation ACF]] RSA-2048 signature <- checked by sceSblDevActVerifyCheckExpire
|}
 
=== Registry Manager NVS area 1 ===
 
{| class="wikitable sortable"
|-
! Bank Index !! Block Index !! Offset in /dev/iccnvs<block> !! Size !! Notes
|-
| 0 || 4 || 0x100E || 0x1 || Unknown (Not Regions)
|-
| 0 || 4 || 0x1040 || 0x1 || Circle Button Behaviour (0x01 for Circle as Go Back, 0x00 for Circle as Accept)
|}
 
=== Registry Manager NVS area 2 ===
 
Undocumented.
 
=== Registry Manager Entitlement Key NVS area ===
 
{| class="wikitable sortable"
|-
|-
! Bank Index !! Block Index !! Offset in /dev/iccnvs<block> !! Size !! Notes
| 0 || 4 || 0x1600 || 0x1CA600 || 0x20 || Registry Manager Entitlement Key NVS area (see below)
|-
|-
| 0 || 4 || 0x1600 || 0x1 || SCE_REGMGR_ENT_KEY_SYSTEM_SPECIFIC_idu_mode (0x01 enabled, 0x00 or 0xFF disabled)
| 0 || 4 || 0x1600 || 0x1CA600 || 0x1 || SCE_REGMGR_ENT_KEY_SYSTEM_SPECIFIC_idu_mode (0x01 enabled, 0x00 or 0xFF disabled)
|-
|-
| 0 || 4 || 0x1601 || 0X1 || SCE_REGMGR_ENT_KEY_SYSTEM_update_mode (0xFF or 0x00 disabled, 0x10, 0x20, 0x30, 0x31, 0x32, 0x50 enabled)
| 0 || 4 || 0x1601 || 0x1CA601 || 0X1 || SCE_REGMGR_ENT_KEY_SYSTEM_update_mode (0xFF or 0x00 disabled) (0x10, 0x20, 0x30, 0x31, 0x32, 0x50 enabled)
|-
|-
| 0 || 4 || 0x1602 || 0x1 || SCE_REGMGR_ENT_KEY_SYSTEM_SPECIFIC_show_mode (0x01 enabled, 0x00 or 0xFF disabled)
| 0 || 4 || 0x1602 || 0x1CA602 || 0x1 || SCE_REGMGR_ENT_KEY_SYSTEM_SPECIFIC_show_mode (0x01 Enabled, 0x00 Disabled) (TestKit only)
|-
|-
| 0 || 4 || 0x1603 || 0x1 || SCE_REGMGR_ENT_KEY_REGISTRY_recover (ex: 0 on a DUH-D1000AA, DUH-D1000JA, DUH-T1000AA, DUH-T2000JA, 1 on a CUH-10xx, DUH-T1200AA)
| 0 || 4 || 0x1603 || 0x1CA603 || 0x1 || SCE_REGMGR_ENT_KEY_REGISTRY_recover  
|-
|-
| 0 || 4 || 0x1604 || 0x4 || SCE_REGMGR_ENT_KEY_SYSTEM_soft_version. This is the minimal System Software Version that should match [[SMI]]. (00 00 50 01 on a DUH-T1000AA, 00 00 51 01 on a DUH-D1000AA, 00 00 61 01 on a DUH-D1000AA, 00 00 62 01 on a DUH-D1000JA and CUH-10xx, FFed on some DUH-D1000AA and later models)
| 0 || 4 || 0x1604 || 0x1CA604 || 0x4 || SCE_REGMGR_ENT_KEY_SYSTEM_soft_version (deprecated) (DevKit only?)
|-
|-
| 0 || 4 || 0x1608 || 0x1 || SCE_REGMGR_ENT_KEY_SYSTEM_unk (ex: 0 on a DUH-T1200AA, 0xFF on a DUH-T1000AA, DUH-T2000JA)
| 0 || 4 || 0x1609 || 0x1CA609 || 0x1 || SCE_REGMGR_ENT_KEY_SYSTEM_SPECIFIC_arcade_mode
|-
|-
| 0 || 4 || 0x1609 || 0x1 || SCE_REGMGR_ENT_KEY_SYSTEM_SPECIFIC_arcade_mode
| 0 || 4 || 0x2C00 || 0x1CBC00 || 0x20 || manufacturing mode (all zeroes for enabled, all FFs for disabled)
|-
|-
| 0 || 4 || 0x160A || 0x1 || SCE_REGMGR_ENT_KEY_SYSTEM_unk (ex: 0xFF)
| 0 || 4 || 0x2C40 || 0x1CBC40 || 0x20 ||  
|-
|-
| 0 || 4 || 0x160B || 0x1 || SCE_REGMGR_ENT_KEY_SYSTEM_unk (ex: 0xFF)
| 0 || 4 || 0x2CC0 || 0x1CBCC0 || 0x20 || srtc_modevent
|-
|-
| 0 || 4 || 0x160C || 0x1 || SCE_REGMGR_ENT_KEY_SYSTEM_unk (ex: 0 on a DUH-T2000JA, 0xFF on a DUH-T1000AA, DUH-T1200AA, DUH-D1000AA, DUH-D1000JA, CUH-10xx)
| 1 || 0 || 0x0 || 0x1CC000 || 0x1000 || Equivalent (active/inactive bank) of NVS region 0x5000-0x5FFF. First 0x1000 bytes are usually a 1:1 copy.
|-
|-
| 0 || 4 || 0x160D || 0x1 || SCE_REGMGR_ENT_KEY_SYSTEM_unk (ex: 0 on a DUH-T2000JA, 0xFF on a DUH-T1000AA, DUH-T1200AA, DUH-D1000AA, DUH-D1000JA, CUH-10xx)
| 1 || 0 || 0x1000 || 0x1CD000 || 0x1000 || Equivalent (active/inactive bank) of NVS area 0x6000-0x6FFF
|-
|-
| 0 || 4 || 0x160E || 0x1 || SCE_REGMGR_ENT_KEY_SYSTEM_unk (ex: 0 on a DUH-T2000JA, 0xFF on a DUH-T1000AA, DUH-T1200AA, DUH-D1000AA, DUH-D1000JA, CUH-10xx)
| 1 || 0 || 0x1000 || 0x1CE000 || 0x1000 || Unknown
|-
|-
| 0 || 4 || 0x160F || 0x1 || SCE_REGMGR_ENT_KEY_SYSTEM_unk (ex: 0 on a DUH-T2000JA, 0xFF on a DUH-T1000AA, DUH-T1200AA, DUH-D1000AA, DUH-D1000JA, CUH-10xx)
| ? || ? || ??? || 0x1CF000 || 1 || ?? FF disabled, 00 enabled
|}
|}
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