Documentation consulted
List of primary and technical materials used to verify terminology, platform limitations, and the tuning and testing methodology. The strength of evidence depends on the basis for a claim, not on the platform where it appears.
JEDEC standards
PDF · 102Page 102- JEDEC JESD79-5D, DDR5 SDRAM, Revision 1.41, November 2025.
- JEDEC JESD400-5D.01, DDR5 Serial Presence Detect (SPD) Contents, January 2026.
Intel: processors and memory controller
PDF · 102Page 102- 12th Generation Intel Core Processor Datasheet, Volume 1, document 655258, Revision 011, May 2025.
- 13th/14th Gen Intel Core and Intel Core Series 1/2 Processor Datasheet, Volume 1, doc. 743844, Rev. 015, May 2025: System Memory Interface, Memory Controller, Organization Mode, System Memory Frequency, SAGV Points, and Power Training (DDR interface power training); 14th Gen Intel Core Desktop Processor Product Brief.
- 13th Generation Intel Core Processor Datasheet, Volume 2, document 743846; memory-controller TC_* registers.
- Intel Core Ultra 200S/200S Plus/200HX/200HX Plus Processor Datasheet, Volume 1, document 832586, Revision 007, March 2026.
- Intel Core Ultra 200S/200HX CFG & MEM Registers, document 835538, Version 001, January 2025.
- Intel Extreme Memory Profile 3.0 documentation; Intel 200S Boost documentation; Intel ARK support matrices.
- Intel DDR5 External Memory Interface, Memory Reference Code/FSP materials and LGA1700/LGA1851 installation guidance.
- Intel. 13th Gen Core Datasheet, Vol. 2: SC_ROUNDTRIP_LATENCY (July 13, 2023).
- Intel. 13th Gen Core Datasheet, Vol. 2: MC_BIOS_REQ (July 13, 2023).
- Intel. RaptorLakeS FSP: FspmUpd.h (accessed Sep. 5, 2026).
AMD: memory controllers
PDF · 102Page 102Motherboards and BIOS
PDF · 102Page 102- ASUS ROG Z790 Series BIOS Manual E21287, First Edition, November 2022; ROG Maximus Z790 Apex Encore User Manual E22481, October 2023; BIOS 2202 notes.
- ASUS ROG Z890 Series BIOS Manual E25061; ROG Maximus Z890 Apex specifications, QVL and BIOS notes; DIMM Fit, DIMM Fit Pro, Flex, Memory Gear and XMP documentation.
- MSI Intel 600/700/800 Series BIOS guides; MEG Z790 GODLIKE MAX specifications and QVL.
- ASRock Timing Configurator 4.1.7 and ASRock FAQ 505.
- Gigabyte Z690/Z790/Z890 and Tachyon manuals, specifications, QVL and BIOS notes; EVGA Z690/Z790 motherboard manuals.
MOTHERBOARDS AND BIOS (CONTINUED)
- ASUS. ROG Z790 Series BIOS Manual, E21287, pp. 28-33ASUS. ROG Z790 Series BIOS Manual, E21287, pp. 28-33 (11.2022).(11.2022).
- ASUS. ROG Z790 Series BIOS Manual E22758, pp.31,33ASUS. ROG Z790 Series BIOS Manual E22758, pp.31,33 (10.2023).(10.2023).
- ASUS. ROG Z890 Series BIOS Manual, T25061, pp. 28-36ASUS. ROG Z890 Series BIOS Manual, T25061, pp. 28-36 (02.2025).(02.2025).
- ASUS. ROG STRIX Z390-F GAMING BIOS Manual, E14966, pp.ASUS. ROG STRIX Z390-F GAMING BIOS Manual, E14966, pp. 26-27 (11.2018).26-27 (11.2018).
- ASUS. ROG Maximus Z790 Apex Encore User Manual, E22481,ASUS. ROG Maximus Z790 Apex Encore User Manual, E22481, p. 1-2 (10.2023).p. 1-2 (10.2023).
- ASRock. Intel Z790 Software/BIOS Setup Guide, version 1.0,ASRock. Intel Z790 Software/BIOS Setup Guide, version 1.0, pp. 42-43 (09.2022).pp. 42-43 (09.2022).
- MSI. Intel 700 Series BIOS: Lucky Mode, p. 46 (accessMSI. Intel 700 Series BIOS: Lucky Mode, p. 46 (accessed September 5September 5, 2026).
- EVGA. Z790 DARK K|NGP|N User Guide, 121-RL-E799-KR, Ver.2 (copyright 2022).
- GIGABYTE. Z790 AORUS TACHYON: XTREME MEMORY (accessed September 6, 2026).
- MSI. MEG Z690 UNIFY-X datasheet: Extreme DDR5 MemoryMSI. MEG Z690 UNIFY-X datasheet: Extreme DDR5 Memory OC (February 13, OC (February 13,2023).
- ASRock. B650E PG Riptide WiFi Memory QVL: DS for Samsung M323R4GA3BB0-CQKOL and SK hynix HMCG88AGBUA081N. Accessed September 6, 2026.
- MSI. S1102-01 (MS-S336 Air) System Component AVL:MSI. S1102-01 (MS-S336 Air) System Component AVL: Samsung M323R4GA3BB0-CQKOL, 32 GB DDR5-4800, 2Rx8.Samsung M323R4GA3BB0-CQKOL, 32 GB DDR5-4800, 2Rx8.
DRAM AND SUPPORT ICS
PDF · 102Page 102- Micron DDR5 New Features white paper; DDR5 client-module overview; 16-Gbit DDR5 component and module datasheets.
- Micron DDR5 SDRAM Core Data Sheet, Rev. E (NovemberMicron DDR5 SDRAM Core Data Sheet, Rev. E (November 2024): commands, timing reference points, 2024): commands, timing reference points,and CWL.
- SK hynix DDR5 16-Gbit/24-Gbit component and module documentation; 24-Gbit M-die and part-number materials.
- SK hynix DDR5 SDRAM 32Gb M-die, Rev. 1.2 (July 2025SK hynix DDR5 SDRAM 32Gb M-die, Rev. 1.2 (July 2025): speed grades and tFAW limits.speed grades and tFAW limits.
- Samsung DDR5 x8/x16 component datasheets and timing tables; DDR4 8-Gbit B-die comparison material.
- Renesas SPD5108/SPD5118 datasheet R10DS0299EU0111 Rev. 1.11; RG5C172 CKD R10DO0011EU0100 Rev. 1.00; P8911 PMIC documentation.
- Kingston DDR5 overview, non-binary-memory FAQ and part-number information; G.SKILL, Corsair and TEAMGROUP product specifications.
- Micron. DDR5 DRAM: DDR4/DDR5 feature comparison (accessed September 5, 2026).
- Kingston. KSM48R40BS4TMI-32MDI: 32 GB DDR5-4800 1Rx4Kingston. KSM48R40BS4TMI-32MDI: 32 GB DDR5-4800 1Rx4 ECC RDIMM. Datasheet 4811278A, Rev. A, 2024, pp. 1–ECC RDIMM. Datasheet 4811278A, Rev. A, 2024, pp. 1–2.
- Kingston. KVR56U46BD8-32: DDR5-5600 32 GB 2Rx8, 16Kingston. KVR56U46BD8-32: DDR5-5600 32 GB 2Rx8, 16 FBGA; two-sided layout. Datasheet VALUERAM1675A, pp. FBGA; two-sided layout. Datasheet VALUERAM1675A, pp.1–2.
DRAM AND SUPPORT ICs (CONTINUED)
- Kingston. KVR56U46BD8-64: DDR5-5600 64 GB 2Rx8 usingKingston. KVR56U46BD8-64: DDR5-5600 64 GB 2Rx8 using 32 Gbit DRAM. Datasheet VALUERAM1740A, Rev. A, pp. 1–2.32 Gbit DRAM. Datasheet VALUERAM1740A, Rev. A, pp. 1–2.
- Kingston. Introduction of 32Gbit DRAM: configurations of non-ECC UDIMM/CUDIMM/SODIMM/CSODIMM. Accessed September 6, 2026.
- Micron. MTC16C2085S1UC: 32GB DDR5 UDIMM Addendum,Micron. MTC16C2085S1UC: 32GB DDR5 UDIMM Addendum, 16Gb Die Revision A. Rev. F, October 2021, pp. 1–2; datasheet16Gb Die Revision A. Rev. F, October 2021, pp. 1–2; datasheet copy on Octcopy on Octopart.
- Netlist. DDR5 Memory Module Product Brief: SK hynixNetlist. DDR5 Memory Module Product Brief: SK hynix HMCG88AGBUA family, 32 GB 2Rx8, 16 SDP. P. 2HMCG88AGBUA family, 32 GB 2Rx8, 16 SDP. P. 2.
- Innodisk. M5UZ-BGM2KC0Q-D DDR5 UDIMM Approval Sheet, Rev. 1.0, October 2023: 16 ICs, 2 ranks, 2 sides, p. 2; copy hosted by ROSCH.
- Kingston. KVR56S46BD8-32: DDR5-5600 32 GB 2Rx8Kingston. KVR56S46BD8-32: DDR5-5600 32 GB 2Rx8 SO-DIMM, 16 FBGA; two-sided layout. DatasheetSO-DIMM, 16 FBGA; two-sided layout. Datasheet VALUERAM1687A, pp. 1–VALUERAM1687A, pp. 1–2.
- Intel. Explaining Common Chip Terms: IC, die, package (March 9, 2026).
- SIMMTECH. BOC: package substrates for DDR4/DDR5 DRAM (accessed September 6, 2026).
- Micron. LPCAMM2: No compromise for next-gen laptops. DDR5 DDP (accessed September 6, 2026).
- V. Solberg, W. Zohni. Near Term Solutions for 3D Packaging ofV. Solberg, W. Zohni. Near Term Solutions for 3D Packaging of High Performance DRAM. Invensas, p. 2.High Performance DRAM. Invensas, p. 2.
Stability testing
PDF · 103Page 103- y-cruncher 0.8.7.9547b Component Stress Tester documentation.
- Karhu RAM Test 1.1.0.0 documentation, README and developer guidance.
- CoolCmd TestMem5 0.13.1 documentation; community configurations by Serj, LMHz, anta777 and 1usmus.
- PassMark MemTest86 11.7 Build 1000 documentation.
- PCSTONKS RAM Test Pro 1.5.0 guide and release notes.
- OCCT 17.1.8 documentation and HCI Design MemTest 7 documentation.
Benchmarks and monitoring
PDF · 103Page 103- AIDA64 Extreme 8.35.8400 benchmark manuals.
- CPUID CPU-Z 3.01 and CPU-Z Validator V3 documentation.
- HWiNFO 8.54 documentation; Martin Malik: DDR5 PMIC telemetry and monitoring conflicts (2022-2026).
- Intel Memory Latency Checker 3.13; Intel PresentMon; CapFrameX documentation.
- 7-Zip 26.04, Cinebench 2026.1.3 and HWBOT benchmark rules.
TESTS AND MONITORING TOOLS (CONTINUED)
- ASUS MemTweakIt manuals and compatible community-build discussion.
DATA INTEGRITY AND OPERATION
PDF · 103Page 103- Microsoft Windows Hardware Error Architecture documentation.
- Microsoft Windows Backup, Recovery and BitLocker documentation.
- CISA Data Backup Options guidance.
- Noctua Intel LGA installation guides and contact-frame documentation.
- Tom Bonifield / Texas Instruments. Enabling high voltageTom Bonifield / Texas Instruments. Enabling high voltage signal isolation quality and reliability, SSZY028 (March 2017),signal isolation quality and reliability, SSZY028 (March 2017), Fig. 5. High-voltage isolation; the numerical values do noFig. 5. High-voltage isolation; the numerical values do not apply to DDR5.to DDR5.
Community material and original measurements
PDF · 103Page 103- Xaver Amberger / Igor'sLAB. One Motherboard, Two Faces: ASUS ROG Maximus Z690 Apex (March 31, 2022).
- PhoenixMDA. G.Skills neuer Ultra Low Latency 2x24GB DDR5-6000CL26 im Test (May 30, 2025). Comparison of airflow and a water block on AM5.
- ASUS ROG Forum and Hardwareluxx Intel DDR5 overclocking discussions.
- UNIKO's Hardware: ROG Maximus Z890 Apex DIMM Fit Pro testing, June 2026.
- ASUS ROG. ROG support: ASUS ROG Z790 slow boot/start, Silent_Scone (November 3, 2023).
- Overclockers.ru / anta777. DDR5 on Intel: RTL formula, post by anta777 (February 19, 2024).
- Overclockers.ru. DDR5 on Intel: quotation of the formula and disagreement over results (February 27, 2023).
- ASUS ROG / Silent_Scone. Z790 APEX - The 8GHz goal and beyond (June 21, 2023).
- ASUS ROG. z790 Apex Encore DDR5 48GB training issues - replies by Silent_Scone (February 19, 2024).
- Overclockers.ru / little fish. DDR5 on Intel: post about manually lowering RTL on EVGA DARK and MSI-I (February 1, 2024).
- HWBOT / asdkj1740, sergmann, passionne56. Gigabyte Z690 Tachyon: manual RTL entry and training, page23 (Feb. 22 and March 28-30, 2023).
- RAMGuide. Advanced PCB DDR4: Physical and logical ranks. Example of early Corsair 8 GB modules using Hynix MMR; exact SKU not specified.
13.1 TRAINING ALGORITHMS: SOURCES FOR CHAPTER 06
PDF · 103Page 103Sources for Chapter 06: ASUS menus, the Intel FSP interface, and memory-interface training documentation.
- ASUS ROG Z790 Series BIOS Manual — E21287ASUS ROG Z790 Series BIOS Manual — E21287 — Z790 training labels and available settings in the earlier manual.
- ASUS ROG Z790 Series (Intel® 14th) BIOS Manual — E22758ASUS ROG Z790 Series (Intel® 14th) BIOS Manual — E22758 — Z790 training labels, including Periodic DCC.
- ASUS ROG Z890 Series BIOS Manual — E25061ASUS ROG Z890 Series BIOS Manual — E25061 — Z890 training labels and menu differences from Z790.
- Intel FSP — RaptorLakeS / FspmUpd.h — Raptor Lake-S training and diagnostic interface fields.
- Intel FSP — ArrowLakeS IoT / FspmUpd.h — Arrow Lake-S interface fields; not the full ASUS BIOS implementation.
- Intel MRC — MrcCrosser.c (Tiger Lake) — Historical source code for ODT, drive strength, equalization and compensation.
- Intel MRC — MrcReadReceiveEnable.c (Ice Lake) — Historical source code for Receive Enable, RTL and receive FIFO.
- Intel MRC — MrcMemoryScrub.c (Tiger Lake) — SPD-geometry checks and limitations of the historical Alias Test.
- SK hynix 16Gb DDR5 SDRAMSK hynix 16Gb DDR5 SDRAM — DDR5 training patterns, Vref, ODT, DFE/DCA and PPR.
- 8.4GTS LPDDR5x and 6.4GTS DDR5 Combo PHY — EPEPS 2025 — Intel authors’ abstract: PI and LVR circuits in the Meteor Lake/Arrow Lake PHY.