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HP Recommended
Prodesk 600 G3 SFF
Linux

Hello all,

 

I have an interesting problem. My Prodesk has 24 gig of RAM, with 2x8gig and 2x4 gig. In this config it boots just fine. If I add a 4 port Intel T4 NIC card into either PCIe slot the desktop beeps with a red light/white light combination. In looking up this light combination it tells me that the BIOS never finishes memory initialization. It gets hung up there.  If I put in a 2 port Intel T2 NIC card it boots fine. Am I running out of PCIe lanes? I have a 500 gig NVMe drive and a 1TB SATA drive also in the unit.

 

Has anyone seen this? I am very confused why the addition of a PCIe card causes the BIOS not to post.

 

Thanks,

Steve

3 REPLIES 3
HP Recommended

@StevePetrillo -- a 4 port Intel T4 NIC card into either PCIe slot the desktop beeps

 

Try disconnectinjg the data & power cables from the SSD, and removing the NVME card, and removie all the sticks of RAM, except for one. If you also remove that NIC, does the computer successfully run the POST (Power On Self Test) ? If it does, insert the NIC, and power-on again, to see if it successfully runs the POST.

 

Keep adding RAM, one stick at a time. Does the POST fail?

 

If no failure, reconnect the data/power to the SSD, and try again.

 

If no failure, reconnect the NVME, and try again.

 

 

 

HP Recommended

Ok so I unplugged and removed everything. Only thing installed is the 4 port Intel PCIe NIC card.

 

I was able to boot through 3 DIMM installations. On the 4th DIMM install the red light/White light beeping happened. If I remove the PCIe NIC at this point the system boots, so it has something to do with the PCI card and the fourth DIMM install? Its DIMM slot 2 that causes the failure.

 

Just to be clear I have the 2x8 gig DIMMs in slots 1&3(black) and the 2x4 gig DIMMs in slots 2&4(white). I am going to try a different order and see what I get.

HP Recommended

@StevePetrillo --  Its DIMM slot 2 that causes the failure.

 

Can you try a "known-good" stick of RAM into that slot, leaving the other slots empty, and then run some extensive RAM-tester, such as MEMTEST86+ via www.memtest.org to see if this combination "fails" ?  Of course, try the same "known-good" stick of RAM into slot 1, and repeat the test, to prove that the RAM and the computer are "good" ?

 

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