O. 40V] BCLK Frequency [100. 20V on the CPU SOC Voltage. Read something about first gen ryzen issues with C6 sleep states which I have (2700x) but what do I know. md","path":"README. O. GMI encryption control(GMI 加密控制) GMI 加密控制。 xGMI encryption control(xGMI 加密控制) xGMI 加密控制。 CC6 memory region encryption(CC6 内存区域加密) 控制 CC6 保存/ 恢复内存是否加密。 GMI encryption control [Auto] xGMI encryption control [Auto] CC6 memory region encryption [Auto] Location of private memory regions [Auto] System probe filter [Auto] Memory interleaving [Auto] Memory interleaving size [Auto] Channel interleaving hash [Auto] Memory Clear [Auto] ACPI SLIT Distance Control [Auto] GMI encryption control [Auto] xGMI encryption control [Auto] CAKE CRC perf bounds Control [Auto] 4-link xGMI max speed [Auto] 3-link xGMI max speed [Auto] xGMI TXEQ Mode [Auto] PcsCG control [Auto] Disable DF to external downstream IP SyncFloodPropagation [Auto] Disable DF sync flood propagation [Auto] CC6 memory region encryption [Auto] Memory. 65 GHz @ 85 ºC. [2022/05/08 20:00:06] Ai Overclock Tuner [Manual] BCLK Frequency [100. Guides, Testing, & Utilities. 1 Package Contents 1 1. C. 1. Community; Community; Communities. O. This item control whether or not the CC6 save/restore memory is encrypted. • Some memory cards may not be compatible with your motherboard. Hey. [2021/12/24 14:57:08] Ai Overclock Tuner [D. Disable DF to external downstream IP SyncFloodPropagation: Auto / Sync flood enabled / Sync flood disabled. I don't know, I just turned of both of these and it fixed my sleep issues. I simply think that WoL is the only way to actually wake this machine without physically pressing the power button. Page 17 B450M/ac R2. I told you. I can just say that disabling these seems to work. Press DEL when system is booting to bring up BIOS settings. Ryzen 3000 Memory / Fabric (X370/X470/X570) (Formula Testing) ASUS ROG CROSSHAIR VIII HERO Testing On Ubuntu 18. C. GMI encryption control GMI encryption control Control GMI link encryption xGMI encryption control Control xGMI link encryption CC6 memory region encryption Control whether or not the CC6 save/restore memory is encrypted Location of private memory regions Controls whether or not the private memory regions (PSP, SMU and CC6) are at. Try put this at 4300. 2). C. P. GMI encryption control [Auto] xGMI encryption control [Auto] CAKE CRC perf bounds Control [Auto] 4-link xGMI max speed [Auto] 3-link xGMI max speed [Auto] xGMI TXEQ Mode [Auto] PcsCG control [Auto] Disable DF to external downstream IP SyncFloodPropagation [Auto] Disable DF sync flood propagation [Auto] CC6 memory region encryption [Auto] Memory. None System Under Test Notes. P DDR4-3802 14-16-16-36-1. The heatsink screws are T20 models. ACPI SLIT Distance Control Determines how the SLIT distances are. Standard] D. Browse . RPMSG is an endpoint based protocol where a server CPU can run a service that listens to incoming messages at a dedicated endpoint, while all other CPUs can send requests to that (server CPU, service endpoint) tuple. 03. 모든 상표는 미국 및 기타 국가에서 각각 해당 소유자의 재산입니다. MeanMachine wrote: Hi Taomyn :) From within Windows: Go into Control Panel>keyboard>Hardware>Properties>Change settings>Power Management then check box to "Allow the device to wake the computer" Do the same for your Mouse. I can just say that disabling these seems to work. Once I set SMEE. Detects Unauthorized Changes to Software and Configuration Parameters – This requirement is open to interpretation, but much like the Boundary Protections point of focus in CC6. [D. P. Standard] D. Please remember that any mention of competitors, hinting at competitors or offering to provide details of competitors will result in an account suspension. Good day! Sometimes such a bug gets out that if something is connected to the usb 3. Memory Clear: Auto / Disabled / Enabled. O. Overclock [Enabled] Memory Clock Speed [Auto] Tcl [Auto] Trcdrd [Auto] Trcdwr [Auto] Trp [Auto] Tras [Auto] Trc Ctrl [Auto]. C. WiFi + BT module is an easy-to- use wireless local area network (WLAN) adapter to support WiFi + BT. Read something about first gen ryzen issues with C6 sleep states which I have (2700x) but what do I know. It's not revolutionary, but there are a lot of small little tweaks that in the end makes a big difference. [Auto] Disable DF sync flood propagation [Auto] CC6 memory region encryption [Auto] Memory Clear [Auto] Overclock [Enabled] Memory Clock Speed [Auto] Tcl [Auto] Trcdrd [Auto] Trcdwr [Auto] Trp [Auto]. 49) 2x 32GB 3600 3600. I did not install that software in the first place. O. P. C. Control xGMI link encryption(控制 xGMI 链接加密) CC6 memory region encryption(CC6 内存区域加密) 控制 CC6 保存/ 恢复内存是否加密。 Location of private memory regions(私人内存区域位置) 控制私人内存区域 (PSP, SMU and CC6) 是否在内存顶端或被分配。请注意,被分Specify the remote socket distance for 2P systems as near (2. I did not install that software in the first place. I don't know, I just turned of both of these and it fixed my sleep issues. P DDR4-3603 16-16-16-36-1. GMI encry ption con trol. [2021/07/30 20:00:05] Ai Overclock Tuner [D. C. 1115 HIICrc32. The fact that they missed such a. One or both of them did it. Once I set SMEE (Secure Memory Encryption Enable) and CC6 Memory region encryption as enabled, Plex works with the GPUs and Truenas Scale does not crash. Crosshair VII Crosshair VII is here, and plenty of feedback from OCN has made it into the product. CC6 memory region encryption under ddr4 security there is toggle for data scramble all of the toggles are: enable, disable or auto i also disabled PSPP policy enabled IOMMU enabled SVM enabled DMA protection what am i doing wrong here? what toggles should i use if i want todo ram encryption thru the OS instead of using TSME. Read something about first gen ryzen issues with C6 sleep states which I have (2700x) but what do I know. And those black screens after waking up only occur sometimes. 0000] Memory Frequency [DDR4-3800MHz] FCLK Frequency [1900MHz] Core Performance Boost [Enabled] CPU Core Ratio [Auto] Core VID [1. Io. Ryzen 3000 Memory / Fabric (X370/X470/X570) (Formula Testing) ASUS ROG CROSSHAIR VIII HERO Testing On Ubuntu 18. C. 0000] Performance Enhancer [Auto] Memory Frequen© Valve Corporation. P. English 28 If you clear the CMOS the case open may be detected Please adjust the BIOS option Clear Status to clear the record of previous chassis intrusion status 2 5 Jumpers Setup e illustration shows how jumpers are setup When the jumper cap is placed on the pins the jumper is Short If no jumper cap is placed on the pins the. C. ASRock Fatal1ty X399 Professional Gaming [91/105] Cc6 memory region encryption. C. C. Ryzen 3000 Memory / Fabric (X370/X470/X570) (Formula Testing) ASUS ROG CROSSHAIR VIII HERO Testing On Ubuntu 18. 4/5 GHz Antennas that come with the package. C. When the four screws are attached, tighten them one by one in a diagonal sequence to complete the installation. Any of these will allow the CPU to reach all it's speeds as long as you have Minimum Processor State in Windows power plan to below 50%. 09-1. 0000] Memory Frequency [DDR4-3800MHz] FCLK Frequ[2022/01/05 18:54:23] Ai Overclock Tuner [D. 2 6 3. coelacanth said: VDDP is way too high, go down to the 0. This item control whether or not the CC6 save/restore memory is encrypted. It's not revolutionary, but there are a lot of small little tweaks that in the end makes a big difference. 50V] BCLK Frequency [100. Set "Over clock = Enabled" in BIOS. P DDR4-4000 16-16-16-36-1. 0000] Memory Frequency [DDR4-3800MHz] FCLK Frequ[2021/08/21 09:38:13] Ai Overclock Tuner [D. I don't know, I just turned of both of these and it fixed my sleep issues. O. This setting enables CC6 Memory Region Encryption. Standard] D. DM-SV01 Server BIOS User Manual Rev. . Wszelkie prawa zastrzeżone. I don't know, I just turned of both of these and it fixed my sleep issues. C. Move to BIOS 2103 w/ DOCP and assuming you can - 811548 - 6slice313 wrote: @Baio post me you complete settings in the memory timings section of the BIOS, maybe I can help you out. 1,. Page 75 AB350M Pro4-F A320M Pro4-F GMI encryption control GMI encryption control Control GMI link encryption xGMI encryption control Control xGMI link encryption CC6 memory region encryption Control whether or not the CC6 save/restore memory is encrypted Location of private memory regions Controls whether or not the private. Options include Disabled, Enabled and Auto. GMI encryption control [Auto] xGMI encryption control [Auto] CAKE CRC perf bounds Control [Auto] 4-link xGMI max speed [Auto]. RISC-V PMP (Physical Memory Protection): RISC-V’s PMP fea-ture controls access of U (user) and S (supervisor) mode to cer-tain memory regions. 8000] BCLK_Divider [Auto] Performance Enhancer [Auto] CPU Core Ratio [43. O. Considerations for. O. C. P DDR4-4000 19-19-19-39-1. Or login via social networks. Curve optimizer = -30 allcore. CC6 memory region encryption: Auto / Disabled / Enabled. The sleep issue was fixed by turning off CC6 memory region encryption and TSME. [D. O. The i. P. Cont rol w het her or n ot t he CC 6 save /restore me mor y is e. Skill 3200 CL14 @ 3600 CL14-15-14-28 2T / Asus Crosshair VIII Hero WiFi (4501) 5900X PBO Advanced (220W/140A/140A) - Single core 4. P. (Optional) change Permissions to RX from RW for execution. Skill F4-3800C14-8GTZN RAM in DOCP and BAM have stability. SKILL 16GB (2 x 8GB) Trident Z Neo Series DDR4 PC4-28800 3600 MHz 288-Pin Desktop Memory Model F4-3600C14D-16GTZNB at Amazon. 9 GHz @ 62 ºC / All core 4. The sleep issue was fixed by turning off CC6 memory region encryption and TSME. A torque value of 16. O. [D. 950 GHz variable load & instruction set 5900X CTR 2. P. 0000] Memory Frequency [DDR4-3800MHz] FCLK Frequ41 Cc6 memory region encryption; 41 Df common options; 41 Memory addressing; 41 Memory clear; 41 Ppin opt in; 41 Scrubber; 41 Smu and psp production mode; 42 Ddr4 common options; 42 Df cstates; 42 Disable df sync flood propagation; 42 Disable df to external downstream ip syncfloodpropagation; 42 Freeze df module queues on error; 42. Standard] D. The sleep issue was fixed by turning off CC6 memory region encryption and TSME. . 0000] Memory Frequency [DDR4-3800MHz] FCLK Frequency [1900MHz] Core Performance Boost [Auto]. [D. O. C. O. GMI encryption control(GMI 加密控制) GMI 加密控制。 xGMI encryption control(xGMI 加密控制) xGMI 加密控制。 CC6 memory region encryption(CC6 内存区域加密) . P. Read something about first gen ryzen issues with C6 sleep states which I have (2700x) but what do I know. Skill F4-3200C14D-32GTSK x2), EVGA RTX 3080 XC3 Ultra, Seasonic Prime Platinum 850W, Samsung 980 Pro 2TB x2, 970 Evo Plus 2TB x2, TeamGroup MP34 4TB, 870 Evo 4TB x2, 860 Evo 4TB, WD White 10TB, WD White 18TB. C. Ryzen 3000 Memory / Fabric (X370/X470/X570) (Formula Testing) ASUS ROG CROSSHAIR VIII HERO Testing On Ubuntu 18. 7) remove all 5x SATA cable storage. Performance Enhancer Level 1 or Level 2 is regular PBO. This would suit your requirements; CORSAIR CMK64GX4M2D3600C18 (Ver5. One or both of them did it. Unfortunately when it arrived, the game's retail box claimed that it was region locked and could not be activated outside of Europe and some other areas. Any of these will allow the CPU to reach all it's speeds as long as you have Minimum Processor State in Windows power plan to below 50%. 3. At system boot, a set of encryption contexts is generated and stored by the Memory Protection Engine (MPE). P DDR4-4000 18-19-19-39-1. You can add argument "-M" and add the the amount of memory you wish to assign to the test (90% of available memory) This will run the stressapp for one hour. O. I told you. Io. This would suit your requirements; CORSAIR CMK64GX4M2D3600C18 (Ver5. Entré en la BIOS de mi pc , y busqué algo similar a Extreme memory unlimited ( o algo parecido , dependerá de cada procesador supongo) Resulta que esa opción venía activada de serie por AMD, lo que me aconsejaron fue, que la cambiara a manual o automático Y . The sleep issue was fixed by turning off CC6 memory region encryption and TSME. 3. 8) remove all monitor cable ( have 3 monitor) 9) Test with single monitor &. The CAAM supports: Secure memory feature with hardware-enforced access control Asus X570 Crosshair Hero VIII (WiFi) 4x 8gb Patriot Viper Steel 3600mhz C17 (now tweaked but would appreciate any additional advice) Arctic liquid freezer II 360. 0 comments. O. I can just say that disabling these seems to work because. One or both of them did it. X470 T aichi Ul timate. One or both of them did it. Read something about first gen ryzen issues with C. O. P. GM I encr y pt ion cont rol. 40V] BCLK Frequency [100. C. [D. C. C. Everything is about the Linux support for SME/SEV [1] and how to enable it (e. Secure Area is a PVP gamemode featured in Tom Clancy's Rainbow Six Siege and Tom Clancy's Rainbow Six Mobile. C. Location. Options: Auto (Default) / Disabled / Enabled Location of private memory regions This item control whether or not the private memory regions (PSP, SMU and CC6) are at the top of DRAM or distributed. C. Memory Clear: Auto /. Stored data must be properly categorized and a retention schedule applied accordingly in conjunction with Userflow’s Asset Management Policy, Data Classification Policy and Data Deletion Policy. Features. Currently I have 128MB of RAM "Corsair Dominator Platinum RGB 128GB 3800 MHz DDR4 Quad Channel Memory Kit". C. C. C. Ryzen 9 5950X Curve Optimizer to 5. English. C. g. C. Crosshair VII Crosshair VII is here, and plenty of feedback from OCN has made it into the product. My PC barely usable in this state. C. Guides, Testing, & Utilities. 278K subscribers in the overclocking community. Disable DF sync flood propagation [Auto] CC6 memory region encryption [Auto] Memory Clear [Auto] Overclock. >You might try disabling SME (secure memory encryption) in the BIOS, >but in theory, this should not make any difference. * SenseMi Skew is now Disabled by default. O. [D. 525 to 4. O. O. 0V range, to not get WHEA, and you can lower VDDG IOD to 1. Standard] D. Standard] D. Standard] D. Alle Marken sind Eigentum ihrer jeweiligen Besitzer in den USA und anderen Ländern. Here's a dump of my BIOS. Read something about first gen ryzen issues with C6 sleep states which I have (2700x) but what do I know. 2 (port 2) = Samsung SSDLearn how to update and configure the UEFI BIOS of your ASRock B450M-HDV R4. Step 2 Connect the two WiFi 2. C. Set "Memory. C C6 memory region encr yption. 1A Pro - 4. Memory size of Internal Graphics Device will keep memory . 35V] BCLK Frequency [100. AM4 Ryzen Memory Stability Thread Please try to remember the following Clarify what platform and CPU you are speaking about when asking a particular question or speaking about your experience. O. It was software rendering. Retention. CC6 memory region encryption [Auto] Memory Clear [Auto] Overclock [Auto] Power Down Enable [Auto] Disable Burst/Postponed Refresh [Auto] DRAM Maximum Activate Count [Auto] Cmd2T [Auto] Gear Down Mode [Auto] CAD Bus Timing User Controls [Auto] CAD Bus Drive Strength User Controls [Auto]CC6 memory region encryption Location of private memory regions System probe filter Memory interleaving size Channel Interleaving hash UMC Common Options DDR4 Common Options Fall_CNT DRAM Controller Configuration (*) CAD Bus Configuration (*) Data Bus Configuration (*) Common RAS (*) Security (*) DRAM. Testing 3rd-Gen Ryzen DDR4 Memory Performance and Scaling. The sleep issue was fixed by turning off CC6 memory region encryption and TSME. O. C. C. O. 0000] Memory Frequency [DDR4-3800MHz] FCLK Frequency [1900MHz] Core Performance Boost [Auto] CPU Core RatiThe encryption key is data that modifies the encryption operation. When this item is set to [Disabled], BIOS does not implement MemClear after . CC6 memory region encryption [Auto] Location of private memory regions [Auto] System probe filter [Auto] Memory interleaving [Channel] Memory interleaving size [256 Bytes] Channel interleaving hash [Auto] Memory Clear [Auto] ACPI SLIT Distance Control [Auto] Overclock [Auto]CC6 memory region encryption [Auto] Location of private memory regions [Auto] System probe filter [Auto] Memory interleaving [Channel] Memory interleaving size [512 Bytes] Channel interleaving hash [Auto] Memory Clear [Auto] ACPI SLIT Distance Control [Auto] Power Down Enable [Auto]Crosshair VII Crosshair VII is here, and plenty of feedback from OCN has made it into the product. MX6 Cortex-A9 processor offers hardware encryption through NXP's Cryptographic Accelerator and Assurance Module (CAAM, also known as SEC4). [2019/09/29 10:34:35] Ai Overclock Tuner [Default] Performance Enhancer [Auto] CPU Core Ratio [Auto] Performance Bias [Auto] Memory Frequency [DDR4-3600MHz] FCLK Frequency [1800MHz]. One or both of them did it. Memory Encryption in xv6. 0000] Performance Enhancer [Default] Memory Frequency [DDR4-3800MHz] FCLK Frequency [1900MHz] Core Performance Boost [Auto] CPU Core Ratio [Auto] Core VID [Auto] CCX0 Ratio [Auto] CCX1 Ratio. . Testing 3rd-Gen Ryzen DDR4 Memory Performance and Scaling. CC6 memory region encryption [Auto] Location of private memory regions [Auto] System probe filter [Auto] Memory interleaving [Auto] Memory interleaving size [Auto] Channel interleaving hash [Auto] Memory Clear [Auto] ACPI SLIT Distance Control [Auto] Overclock [Auto] Power Down Enable [Auto]Page 58 X370 Pro BTC+ GMI encryption control GMI encryption control Control GMI link encryption xGMI encryption control Control xGMI link encryption CC6 memory region encryption Control whether or not the CC6 save/restore memory is encrypted Location of private memory regions Controls whether or not the private memory regions (PSP,. [D. 0000] Memory Frequency [DDR4-3800MHz] FCLK Frequency [1900MHz] Core Performance Boost [Enabled] CPU Core R[2021/01/01 10:51:29] Ai Overclock Tuner [Manual] BCLK Frequency [100. O. All databases, data stores, and file systems are encrypted according to Userflow’s Encryption Policy. P. C. O. Set "Write CRC Enable = Disabled" in BIOS. One or both of them did it. Key highlights: - CPU/SOC VRM reconfigured to 10+2 and upgraded to IR3555 Power. P DDR4-3802 14-16-16-36-1. DRAM or distributed. Усі торговельні марки є власністю відповідних власників у. Key highlights: - CPU/SOC VRM reconfigured to 10+2 and upgraded to IR3555 Power. Location. 0000] Memory Frequency [DDR4-3800MHz] FCLK Frequ[2021/07/29 19:37:33] Ai Overclock Tuner [D. 2 Specifications 2 1. No difference. Continued with Define S case, EVGA Silver 850w psu, MSI RTX2070S. [2021/08/21 09:38:13] Ai Overclock Tuner [D. It seems to be fixed but its to early to tell. I can just say that disabling these seems to work because. P. Note that distributed requires memory on all dies. I don't know, I just turned of both of these and it fixed my sleep issues. SEV is an extension to the AMD-V architecture which supports running virtual machines (VMs) under the control of a hypervisor. C. CC6 memory region encryption under ddr4 security there is toggle for data scramble all of the toggles are: enable, disable or auto i also disabled PSPP policy enabled IOMMU. Read something about first gen ryzen issues with C6 sleep states which I have (2700x) but what do I know. [D. memory encryption as a standard security feature1 Memory Encryption Behavior The encryption of data is done with a 128-bit key generated by an onboard NIST SP 800-90 compliant hardware random number generator in a mode which utilizes an additional physical address-based tweak to help protect against cipher-text block move attacks. {"payload":{"allShortcutsEnabled":false,"fileTree":{"":{"items":[{"name":"EFI","path":"EFI","contentType":"directory"},{"name":"README. 0000] Memory Frequency [DDR4-3800MHz] FCLK Frequency [1900MHz] Core Performance Boost [Enabled]. Have checked the usual places, checked monitor settings, checked keyboard/mouse settings, and can't see any controls in BIOS that would help. - 811548 - 6. It seems to be fixed but its to early to tell. I have since solved the issue. DMI: ASUS System Product Name/ROG CROSSHAIR VIII HERO (WI-FI), BIOS 4501 04/19/2023 tsc: Detected 3500. [D. 4 Expansion Slots (PCI Express Slots) 24 2. These contexts are indexed by the MECID and can be updated from a request from the root world when a MECID is being reused by a different entity in the system. Standard] D. 5 HugeTLB: registered 1. The sleep issue was fixed by turning off CC6 memory region encryption and TSME. Options. [2022/01/09 20:01:49] Ai Overclock Tuner [Manual] BCLK Frequency [100. [D. 6, adapt a risk-based approach that is applicable to your system. O. P. One or both of them did it. Ryzen 3000 Memory / Fabric (X370/X470/X570) (Formula Testing) ASUS ROG CROSSHAIR VIII HERO Testing On Ubuntu 18. O. . AI; Developers; Red Team; Radeon ProRenderGMI encryption control(GMI 加密控制) GMI 加密控制。 Control GMI link encryption(控制 GMI 链接加密) xGMI 加密控制。 Control xGMI link encryption(控制 xGMI 链接加密) CC6 memory region encryption(CC6 内存区域加密) 控制 CC6 保存/ 恢复内存是否加密。AMD 5900X, Asus X570 Crosshair 8 Hero Wi-Fi, 64GB (G. GMI encryption control [Auto] xGMI encryption control [Auto] CAKE CRC perf bounds Control [Auto] 4-link xGMI max speed [Auto] 3-link xGMI max speed [Auto] xGMI TXEQ Mode [Auto] PcsCG control [Auto] Disable DF to external downstream IP SyncFloodPropagation [Auto] Disable DF sync flood propagation [Auto] CC6 memory region encryption [Auto] Memory. One or both of them did it. 1TB NVME Boot drive Drive. C. Secure Encrypted Virtualization (SEV) is a feature found on AMD processors. The hypervisor can determine the. P. I don't know, I just turned of both of these and it fixed my sleep issues. [D. 5 Memory Healing BIST 82[2022/09/19 19:07:43] Ai Overclock Tuner [D. 95V range, also ProcODT should be lowered to 36. P. I don't know, I just turned of both of these and it fixed my sleep issues. This setting controls whether or not the private memory regions (PSP, SMU, and CC6) are at the top of DRAM or distributed. 04 Linux. Fa tal1ty X399 Prof essional Gaming Series. Level 7. // AMISCE Utility. O. 35V] BCLK Frequency [100. 50V] BCLK Frequency [100. which driver did you install?Crosshair VII Crosshair VII is here, and plenty of feedback from OCN has made it into the product. O. * Fix for CPU Ratio stuck at 22x on some CPUs when using Vcore override/offset. [D. C. Cc6 memory region encryption 76; Channel interleaving hash 76; Control gmi link encryption 76; Control xgmi link encryption 76; English 76; Gmi encryption control 76; Location of private memory regions 76; Memory clear 76; Memory interleaving 76; Memory interleaving size 76; System probe filter 76; Acs enable 79; B450 steel legend. P. Disabled / EnabledCrosshair VII Crosshair VII is here, and plenty of feedback from OCN has made it into the product. • This Micro SD card slot functions only when you enable ASUS ASMB9. O. Edit: Added CLDO_VDDP and CLDO_VDDG voltages (near the bottom) as it seems the BIOS dump doesn't include AMD menu settings. Fatal1ty X399 Professional Gaming Series GMI encryption control GMI encryption control Control GMI link encryption xGMI encryption control Control xGMI link encryption CC6 memory region encryption Control whether or not the CC6 save/restore memory is encrypted Location of private memory regions Controls whether or not the private memory regions. One or both of them did it. P DDR4-3802 14-16-16-36-1. 2, also known as the Next Generation Form Factor (NGFF), is a small size and versatile card edge connector that aims to replace mPCIe and mSATA. . Standard] D.