![Red debug light turns on when ram in dimm b 1 & 2 slots, tried 2 different rams and both times when I put into dimm b slots get a snug light but when I do 1 ram in dimm a slots boots normal and 1 stick in dimm b does not boot, can anyone help : r/computerhelp Red debug light turns on when ram in dimm b 1 & 2 slots, tried 2 different rams and both times when I put into dimm b slots get a snug light but when I do 1 ram in dimm a slots boots normal and 1 stick in dimm b does not boot, can anyone help : r/computerhelp](https://preview.redd.it/red-debug-light-turns-on-when-ram-in-dimm-b-1-2-slots-tried-v0-oeny09j9goaa1.jpg?width=1080&crop=smart&auto=webp&s=c2d5f6c34453386f7c871430b81b4c3540020f98)
Red debug light turns on when ram in dimm b 1 & 2 slots, tried 2 different rams and both times when I put into dimm b slots get a snug light but when I do 1 ram in dimm a slots boots normal and 1 stick in dimm b does not boot, can anyone help : r/computerhelp
![Ddr4 To M.2 Sata Adapter Riser Memory Ddr4 Dimm To M.2 Ngff Ssd B Key 15pin Power 7pin Sata Port To Motherboard 2230-2280 M2 Ssd - Add On Cards & Controller Panels - AliExpress Ddr4 To M.2 Sata Adapter Riser Memory Ddr4 Dimm To M.2 Ngff Ssd B Key 15pin Power 7pin Sata Port To Motherboard 2230-2280 M2 Ssd - Add On Cards & Controller Panels - AliExpress](https://ae01.alicdn.com/kf/HTB1yUsxXsvrK1Rjy0Feq6ATmVXaF.jpg_640x640Q90.jpg_.webp)
Ddr4 To M.2 Sata Adapter Riser Memory Ddr4 Dimm To M.2 Ngff Ssd B Key 15pin Power 7pin Sata Port To Motherboard 2230-2280 M2 Ssd - Add On Cards & Controller Panels - AliExpress
![Desktop - 240-Pin DIMM: Qimonda HYS64T128020HU-3S-B - 1GB (1x1GB) PC2-5300U 667Mhz DDR2-667 240-Pin Memory Dimm Ram - CPU Medics Desktop - 240-Pin DIMM: Qimonda HYS64T128020HU-3S-B - 1GB (1x1GB) PC2-5300U 667Mhz DDR2-667 240-Pin Memory Dimm Ram - CPU Medics](https://cdn11.bigcommerce.com/s-qfzamxn9kz/images/stencil/1280x1280/products/125421/195028/qimonda-hys64t128020hu-3s-b-1gb-1x1gb-pc2-5300u-667mhz-ddr2-667-240-pin-memory-dimm-ram-2__59807.1554486470.jpg?c=2)
Desktop - 240-Pin DIMM: Qimonda HYS64T128020HU-3S-B - 1GB (1x1GB) PC2-5300U 667Mhz DDR2-667 240-Pin Memory Dimm Ram - CPU Medics
![OEMPCWorld.com: PS001LSDDR4-B/L Packaging 2x6" DDR4 Tray with cover for 1CT Long DIMM, 1 CT Short DIMM OEMPCWorld.com: PS001LSDDR4-B/L Packaging 2x6" DDR4 Tray with cover for 1CT Long DIMM, 1 CT Short DIMM](https://www.oempcworld.com/mm5/graphics/00000001/CCX.jpg)
OEMPCWorld.com: PS001LSDDR4-B/L Packaging 2x6" DDR4 Tray with cover for 1CT Long DIMM, 1 CT Short DIMM
![Populating DIMMs in Dual-Processor Systems for Optimal System Performance - Oracle® Server X5-2L Service Manual Populating DIMMs in Dual-Processor Systems for Optimal System Performance - Oracle® Server X5-2L Service Manual](https://docs.oracle.com/cd/E41033_01/html/E48333/figures/A3492_DIMM_population_order_dual_CPU.jpg)
Populating DIMMs in Dual-Processor Systems for Optimal System Performance - Oracle® Server X5-2L Service Manual
Crucial - DDR4 - module - 16 GB - SO-DIMM 260-pin - 3200 MHz / PC4-25600 - unbuffered - CT16G4SFRA32A - Laptop Memory - CDW.com
![CMS 16GB (2X8GB) DDR4 19200 2400MHZ ECC Registered DIMM Memory Ram Upgrade Compatible with Supermicro® Motherboard B10DRI, H11DSi, H11DSi-NT, H11DST-B, H11DSU-iN only - C121 at Amazon.com CMS 16GB (2X8GB) DDR4 19200 2400MHZ ECC Registered DIMM Memory Ram Upgrade Compatible with Supermicro® Motherboard B10DRI, H11DSi, H11DSi-NT, H11DST-B, H11DSU-iN only - C121 at Amazon.com](https://m.media-amazon.com/images/I/71pUdzYHMfL.jpg)
CMS 16GB (2X8GB) DDR4 19200 2400MHZ ECC Registered DIMM Memory Ram Upgrade Compatible with Supermicro® Motherboard B10DRI, H11DSi, H11DSi-NT, H11DST-B, H11DSU-iN only - C121 at Amazon.com
![DDR4 to M.2 SATA Riser Memory Adapter DDR4 DIMM to M.2 NGFF SSD B Key 15Pin Power 7pin SATA Port to Motherboard 2230-2280 M2 SSD - AliExpress DDR4 to M.2 SATA Riser Memory Adapter DDR4 DIMM to M.2 NGFF SSD B Key 15Pin Power 7pin SATA Port to Motherboard 2230-2280 M2 SSD - AliExpress](https://ae01.alicdn.com/kf/HTB1n2t7XPzuK1RjSsppq6xz0XXaL.jpg_640x640Q90.jpg_.webp)