The PC isn't interested in posting and needs to verify if the RAM is genuine or not.
The PC isn't interested in posting and needs to verify if the RAM is genuine or not.
Hi everyone, I'm running an AMD AM5 PC with 9800X3D and 64GB DDR5 RAM, a ROG Strix B650-A gaming laptop, and the BIOS is current. The RAM sticks are supposed to work but I'm having issues. After switching from an older CPU (7800), the RAM started working after about 30 attempts. However, when I put the PC to sleep, it won't come out. The DRAM light turns orange and the system doesn't boot. I also have two sets of Vengeance DDR5 RAM, but I'm worried they might not be genuine. Any advice would be greatly appreciated!
This photo shows a similar Corsair RAM module. If your unit is genuine, it likely dates back to an earlier generation with slower speeds. They often adjust label text, which isn’t a big issue here. The anti-tamper seals appear in the same spot. I’m wondering about the condition of your label—hasn’t it looked this worn? It seems the RAM has likely been used quite a bit. I haven’t changed CPUs on AM5 boards before, but I’ve noticed other platforms often reset BIOS settings when the CPU is swapped. Just in case, I’d reset the BIOS to defaults and test without XMP/EXPO first. If that’s fine, proceed with setting XMP/EXPO. I assume the RAM slots are 2 and 4. Next time you try booting, use CPU-Z to capture details. The data should match what’s listed on the label and confirm it matches your purchase. Below is an example from a different system than the one shown. Memory specifications:
- SPD: DIMM #1
- Address: 0x51
- Type: DDR5
- Format: UDIMM
- Manufacturer: Corsair (7F7F9E00000000000000000000000000)
- SDRAM: SK Hynix (AD000000000000000000000000000000)
- Size: 32768 MBytes
- PMIC: #0 Enabled
- PMIC: #0 Enabled
- Clock Driver: Disabled
- Max Bandwidth: DDR5-6000 (3000 MHz)
- JEDEC Channels: 2
- Part Number: CMK64GX5M2B6000Z30
- Manufacturing Date: Week 11/Year 24
- Voltage: 1.10 V
- Temp Limit: 55°C (high), 85°C (critical)
- EPP: No XMP, rev. 3.0
- AMP: No
- EXPO: No
Feel free to check the specs after installation.
I finally managed to share it and you won't believe it—I've only had them for two months and used them just a few times. Yet this has been occurring while connected to the PC, not when handling them directly. I removed them recently and noticed the stickers are deteriorating faster than expected.
You can find additional details by clicking the final tab and selecting "save as TXT." The part number appears consistent. It seems newer than your RAM, so perhaps the earlier speed and worn label were misleading. Are you wondering what speed it’s actually running at—4800 or 5200? If you haven’t tested it at 4800, consider that as a stable baseline before moving to 5200. Also, note it’s only an XMP profile, likely designed for Intel systems since AMD released their versions earlier. In the motherboard BIOS, you might see entries like XMP/EXPO I, II, etc., indicating different tuning options. These settings adjust the motherboard differently, which could affect performance.
This section details the SMBus ID 0x51. It specifies a DDR5 module with certain technical attributes. The manufacturer is Corsair, identified by ID 7F7F9E0000000000000000000000. It uses SDRAM from Micron Technology (ID 2C00000000000000000000000000). The module supports a size of 32768 MBytes and operates at a maximum bandwidth of DDR5-5200 (2600 MHz). It supports up to 2 channels and has a part number CMK64GX5M2B5200C40. Production took place in week 51 of year 24, with a nominal voltage of 1.10 volts. EPP is enabled, XMP is not active, and the revision is 3.0. The chip features 32000 cycles per second (AMP) and does not include JEDEC timings. The CL-tRCD-tRP-tRAS-tRC specifications are listed with frequencies ranging from 1333 to 2400 MHz. The JEDEC timings table references several entries, including XMP profiles ranging from 22.0 to 42.0 MHz. The module supports VDD, VPP, and VDDQ voltages of 1.250 volts, with a minimum cycle time of 0.384 ns at 2600 MHz.