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4x16GB breaks XMP on Z390 Printed From: ASRock.com Category: Technical Support Forum Name: Intel Motherboards Forum Description: Question about ASRock Intel Motherboards URL: https://forum.asrock.com/forum_posts.asp?TID=17734 Printed Date: 21 Dec 2024 at 8:08pm Software Version: Web Wiz Forums 12.04 - http://www.webwizforums.com Topic: 4x16GB breaks XMP on Z390 Posted By: janp Subject: 4x16GB breaks XMP on Z390 Date Posted: 06 Jan 2021 at 5:58pm Hi, Running 2x16GB Corsair Vengeance LPX with i9 9900K perfectly for one year now in XMP mode. I added 2 extra memory modules to get 4x32GB.Also Corsair Vengeance LPX. Now the PC won't start. After several attempts it allows me in the bios. When I change XMP (profile 1) to auto the PC boots and works perfect. The system sees the 64Gb, but the performance is terrible. Benchmarks are suddenly terrible. I've added the memory info from CPU-Z Thanks for helping out. Memory SPD ------------------------------------------------------------------------- DIMM #                    1      SMBus address          0x50      Memory type          DDR4      Module format          UDIMM      Module Manufacturer(ID)     Corsair (7F7F9E00000000000000000000)      SDRAM Manufacturer (ID)     Micron Technology (2C000000000000000000000000)      Size               16384 MBytes      Max bandwidth          DDR4-2132 (1066 MHz)      Part number          CMK32GX4M2E3200C16      Nominal Voltage          1.20 Volts      EPP               no      XMP               yes      XMP revision          2.0      AMP               no JEDEC timings table          CL-tRCD-tRP-tRAS-tRC @ frequency      JEDEC #1          7.0-7-7-18-25 @ 518 MHz      JEDEC #2          8.0-8-8-20-28 @ 592 MHz      JEDEC #3          9.0-9-9-22-31 @ 666 MHz      JEDEC #4          10.0-10-10-25-35 @ 740 MHz      JEDEC #5          11.0-11-11-27-38 @ 814 MHz      JEDEC #6          12.0-12-12-30-42 @ 888 MHz      JEDEC #7          13.0-13-13-32-45 @ 962 MHz      JEDEC #8          14.0-14-14-35-49 @ 1037 MHz      JEDEC #9          15.0-15-15-36-50 @ 1066 MHz      JEDEC #10          16.0-15-15-36-50 @ 1066 MHz      JEDEC #11          17.0-15-15-36-50 @ 1066 MHz      JEDEC #12          18.0-15-15-36-50 @ 1066 MHz      JEDEC #13          19.0-15-15-36-50 @ 1066 MHz      JEDEC #14          20.0-15-15-36-50 @ 1066 MHz      JEDEC #15          21.0-15-15-36-50 @ 1066 MHz      JEDEC #16          22.0-15-15-36-50 @ 1066 MHz      JEDEC #17          23.0-15-15-36-50 @ 1066 MHz      JEDEC #18          24.0-15-15-36-50 @ 1066 MHz XMP profile               XMP-3200      Specification          DDR4-3200      Voltage level          1.350 Volts      Min Cycle time          0.625 ns (1600 MHz)      Max CL               16.0      Min tRP               12.49 ns      Min tRCD          12.49 ns      Min tRAS          23.61 ns      Min tRC               35.62 ns      Min tRRD          3.75 ns XMP timings table          CL-tRCD-tRP-tRAS-tRC-CR @ frequency (voltage)      XMP #1               7.0-9-9-17-25-n.a @ 700 MHz (1.350 Volts)      XMP #2               8.0-11-11-19-29-n.a @ 800 MHz (1.350 Volts)      XMP #3               9.0-12-12-22-33-n.a @ 900 MHz (1.350 Volts)      XMP #4               10.0-13-13-24-36-n.a @ 1001 MHz (1.350 Volts)      XMP #5               11.0-14-14-27-40-n.a @ 1101 MHz (1.350 Volts)      XMP #6               12.0-16-16-29-43-n.a @ 1201 MHz (1.350 Volts)      XMP #7               13.0-17-17-31-47-n.a @ 1301 MHz (1.350 Volts)      XMP #8               14.0-18-18-34-50-n.a @ 1401 MHz (1.350 Volts)      XMP #9               15.0-19-19-36-54-n.a @ 1501 MHz (1.350 Volts)      XMP #10               16.0-20-20-38-57-n.a @ 1600 MHz (1.350 Volts)      XMP #11               17.0-20-20-38-57-n.a @ 1600 MHz (1.350 Volts)      XMP #12               18.0-20-20-38-57-n.a @ 1600 MHz (1.350 Volts)      XMP #13               19.0-20-20-38-57-n.a @ 1600 MHz (1.350 Volts)      XMP #14               20.0-20-20-38-57-n.a @ 1600 MHz (1.350 Volts)      XMP #15               21.0-20-20-38-57-n.a @ 1600 MHz (1.350 Volts)      XMP #16               22.0-20-20-38-57-n.a @ 1600 MHz (1.350 Volts)      XMP #17               23.0-20-20-38-57-n.a @ 1600 MHz (1.350 Volts)      XMP #18               24.0-20-20-38-57-n.a @ 1600 MHz (1.350 Volts) DIMM #                    2      SMBus address          0x51      Memory type          DDR4      Module format          UDIMM      Module Manufacturer(ID)     Corsair (7F7F9E00000000000000000000)      SDRAM Manufacturer (ID)     Samsung (CE000000000000000000000000)      Size               16384 MBytes      Max bandwidth          DDR4-2132 (1066 MHz)      Part number          CMK32GX4M2B3200C16      Nominal Voltage          1.20 Volts      EPP               no      XMP               yes      XMP revision          2.0      AMP               no JEDEC timings table          CL-tRCD-tRP-tRAS-tRC @ frequency      JEDEC #1          9.0-9-9-22-31 @ 666 MHz      JEDEC #2          10.0-10-10-25-35 @ 740 MHz      JEDEC #3          11.0-11-11-27-38 @ 814 MHz      JEDEC #4          12.0-12-12-30-42 @ 888 MHz      JEDEC #5          13.0-13-13-32-45 @ 962 MHz      JEDEC #6          14.0-14-14-35-49 @ 1037 MHz      JEDEC #7          15.0-15-15-36-50 @ 1066 MHz      JEDEC #8          16.0-15-15-36-50 @ 1066 MHz XMP profile               XMP-3200      Specification          DDR4-3200      Voltage level          1.350 Volts      Min Cycle time          0.625 ns (1600 MHz)      Max CL               16.0      Min tRP               11.24 ns      Min tRCD          11.24 ns      Min tRAS          22.36 ns      Min tRC               33.74 ns      Min tRRD          3.74 ns XMP timings table          CL-tRCD-tRP-tRAS-tRC-CR @ frequency (voltage)      XMP #1               9.0-11-11-21-31-n.a @ 900 MHz (1.350 Volts)      XMP #2               10.0-12-12-23-34-n.a @ 1001 MHz (1.350 Volts)      XMP #3               11.0-13-13-25-38-n.a @ 1101 MHz (1.350 Volts)      XMP #4               12.0-14-14-27-41-n.a @ 1201 MHz (1.350 Volts)      XMP #5               13.0-15-15-30-44-n.a @ 1301 MHz (1.350 Volts)      XMP #6               14.0-16-16-32-48-n.a @ 1401 MHz (1.350 Volts)      XMP #7               15.0-17-17-34-51-n.a @ 1501 MHz (1.350 Volts)      XMP #8               16.0-18-18-36-54-n.a @ 1600 MHz (1.350 Volts)      XMP #9               17.0-18-18-36-54-n.a @ 1600 MHz (1.350 Volts)      XMP #10               18.0-18-18-36-54-n.a @ 1600 MHz (1.350 Volts)      XMP #11               19.0-18-18-36-54-n.a @ 1600 MHz (1.350 Volts)      XMP #12               20.0-18-18-36-54-n.a @ 1600 MHz (1.350 Volts) DIMM #                    3      SMBus address          0x52      Memory type          DDR4      Module format          UDIMM      Module Manufacturer(ID)     Corsair (7F7F9E00000000000000000000)      SDRAM Manufacturer (ID)     Micron Technology (2C000000000000000000000000)      Size               16384 MBytes      Max bandwidth          DDR4-2132 (1066 MHz)      Part number          CMK32GX4M2E3200C16      Nominal Voltage          1.20 Volts      EPP               no      XMP               yes      XMP revision          2.0      AMP               no JEDEC timings table          CL-tRCD-tRP-tRAS-tRC @ frequency      JEDEC #1          7.0-7-7-18-25 @ 518 MHz      JEDEC #2          8.0-8-8-20-28 @ 592 MHz      JEDEC #3          9.0-9-9-22-31 @ 666 MHz      JEDEC #4          10.0-10-10-25-35 @ 740 MHz      JEDEC #5          11.0-11-11-27-38 @ 814 MHz      JEDEC #6          12.0-12-12-30-42 @ 888 MHz      JEDEC #7          13.0-13-13-32-45 @ 962 MHz      JEDEC #8          14.0-14-14-35-49 @ 1037 MHz      JEDEC #9          15.0-15-15-36-50 @ 1066 MHz      JEDEC #10          16.0-15-15-36-50 @ 1066 MHz      JEDEC #11          17.0-15-15-36-50 @ 1066 MHz      JEDEC #12          18.0-15-15-36-50 @ 1066 MHz      JEDEC #13          19.0-15-15-36-50 @ 1066 MHz      JEDEC #14          20.0-15-15-36-50 @ 1066 MHz      JEDEC #15          21.0-15-15-36-50 @ 1066 MHz      JEDEC #16          22.0-15-15-36-50 @ 1066 MHz      JEDEC #17          23.0-15-15-36-50 @ 1066 MHz      JEDEC #18          24.0-15-15-36-50 @ 1066 MHz XMP profile               XMP-3200      Specification          DDR4-3200      Voltage level          1.350 Volts      Min Cycle time          0.625 ns (1600 MHz)      Max CL               16.0      Min tRP               12.49 ns      Min tRCD          12.49 ns      Min tRAS          23.61 ns      Min tRC               35.62 ns      Min tRRD          3.75 ns XMP timings table          CL-tRCD-tRP-tRAS-tRC-CR @ frequency (voltage)      XMP #1               7.0-9-9-17-25-n.a @ 700 MHz (1.350 Volts)      XMP #2               8.0-11-11-19-29-n.a @ 800 MHz (1.350 Volts)      XMP #3               9.0-12-12-22-33-n.a @ 900 MHz (1.350 Volts)      XMP #4               10.0-13-13-24-36-n.a @ 1001 MHz (1.350 Volts)      XMP #5               11.0-14-14-27-40-n.a @ 1101 MHz (1.350 Volts)      XMP #6               12.0-16-16-29-43-n.a @ 1201 MHz (1.350 Volts)      XMP #7               13.0-17-17-31-47-n.a @ 1301 MHz (1.350 Volts)      XMP #8               14.0-18-18-34-50-n.a @ 1401 MHz (1.350 Volts)      XMP #9               15.0-19-19-36-54-n.a @ 1501 MHz (1.350 Volts)      XMP #10               16.0-20-20-38-57-n.a @ 1600 MHz (1.350 Volts)      XMP #11               17.0-20-20-38-57-n.a @ 1600 MHz (1.350 Volts)      XMP #12               18.0-20-20-38-57-n.a @ 1600 MHz (1.350 Volts)      XMP #13               19.0-20-20-38-57-n.a @ 1600 MHz (1.350 Volts)      XMP #14               20.0-20-20-38-57-n.a @ 1600 MHz (1.350 Volts)      XMP #15               21.0-20-20-38-57-n.a @ 1600 MHz (1.350 Volts)      XMP #16               22.0-20-20-38-57-n.a @ 1600 MHz (1.350 Volts)      XMP #17               23.0-20-20-38-57-n.a @ 1600 MHz (1.350 Volts)      XMP #18               24.0-20-20-38-57-n.a @ 1600 MHz (1.350 Volts) DIMM #                    4      SMBus address          0x53      Memory type          DDR4      Module format          UDIMM      Module Manufacturer(ID)     Corsair (7F7F9E00000000000000000000)      SDRAM Manufacturer (ID)     Samsung (CE000000000000000000000000)      Size               16384 MBytes      Max bandwidth          DDR4-2132 (1066 MHz)      Part number          CMK32GX4M2B3200C16      Nominal Voltage          1.20 Volts      EPP               no      XMP               yes      XMP revision          2.0      AMP               no JEDEC timings table          CL-tRCD-tRP-tRAS-tRC @ frequency      JEDEC #1          9.0-9-9-22-31 @ 666 MHz      JEDEC #2          10.0-10-10-25-35 @ 740 MHz      JEDEC #3          11.0-11-11-27-38 @ 814 MHz      JEDEC #4          12.0-12-12-30-42 @ 888 MHz      JEDEC #5          13.0-13-13-32-45 @ 962 MHz      JEDEC #6          14.0-14-14-35-49 @ 1037 MHz      JEDEC #7          15.0-15-15-36-50 @ 1066 MHz      JEDEC #8          16.0-15-15-36-50 @ 1066 MHz XMP profile               XMP-3200      Specification          DDR4-3200      Voltage level          1.350 Volts      Min Cycle time          0.625 ns (1600 MHz)      Max CL               16.0      Min tRP               11.24 ns      Min tRCD          11.24 ns      Min tRAS          22.36 ns      Min tRC               33.74 ns      Min tRRD          3.74 ns XMP timings table          CL-tRCD-tRP-tRAS-tRC-CR @ frequency (voltage)      XMP #1               9.0-11-11-21-31-n.a @ 900 MHz (1.350 Volts)      XMP #2               10.0-12-12-23-34-n.a @ 1001 MHz (1.350 Volts)      XMP #3               11.0-13-13-25-38-n.a @ 1101 MHz (1.350 Volts)      XMP #4               12.0-14-14-27-41-n.a @ 1201 MHz (1.350 Volts)      XMP #5               13.0-15-15-30-44-n.a @ 1301 MHz (1.350 Volts)      XMP #6               14.0-16-16-32-48-n.a @ 1401 MHz (1.350 Volts)      XMP #7               15.0-17-17-34-51-n.a @ 1501 MHz (1.350 Volts)      XMP #8               16.0-18-18-36-54-n.a @ 1600 MHz (1.350 Volts)      XMP #9               17.0-18-18-36-54-n.a @ 1600 MHz (1.350 Volts)      XMP #10               18.0-18-18-36-54-n.a @ 1600 MHz (1.350 Volts)      XMP #11               19.0-18-18-36-54-n.a @ 1600 MHz (1.350 Volts)      XMP #12               20.0-18-18-36-54-n.a @ 1600 MHz (1.350 Volts)

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