Hi,

I put the H200 controller into my DELL T40 server.
I put RAM in DIMM1 16GB and in DIMM2 8GB slots.

BIOS detected 24GB.

Why when I put the H710 controller into the server, the BIOS does not see RAM in the DIMM2 slot?
Does that mean the controller is broken?

Please read my message one more time.

I have a problem with H710.

_________________________________________________________

I'll write it again

I have a DELL T40 server.
in DIMM1 slot - 16GB DDR4 ECC - RAM has the same parameters but different size.
in DIMM2 slot - 8GB DDR4 ECC - RAM has the same parameters but different size.
in the PCIe 8x slot - PERC H710 controller

I start the server.
BIOS cannot see RAM in DIMM2 slot. See only RAM in DIMM1 slot.

When I pull out the RAID H710 controller and start the server, the BIOS detects 24GB of RAM.

I did the same experiment with the PERC H200.
in DIMM1 slot - 16GB
in DIMM2 slot - 8GB
in the PCIe 8x slot - PERC H200 controller

I start the server and the BIOS detects 24GB of RAM.

Why, when I have a RAID H710 controller in the server, the BIOS does not see RAM in the DIMM2 slot?

Ok.

I've you tested the upgrade part?

Regards,

I mean upgrade bios of all of us (MB, DRAC and PERC)

Hi,

If the H200 is damaged, you cannot see it on post or enter into his bios. I'm not sure that is your situation. So you have to be focused on MB behavior.

First upgrade bios of all of us (MB, DRAC and PERC)

Then perform some test like : remove the PERC to check if the slot 2 "work again" during the post (24Gb available) and/or put the perc into another free PCI slot.

I remain at your disposal.

Regards,

Hi,

After a deep check, it's seem that only software RAID is supported for this server model. That could explain your behavior. I'm unfortunately help you more on an unsupported configuration.

Regards,

On a RAID H200 controller, I created a RAID10 from four disks and everything works as it should.

On H710 I can also create RAID 10 or 5 and it works as it should.

The problem is that when I have the H710 in the server, the BIOS does not see the frame in the DIMM2 slot.

MB, RAID has the latest BIOS

I understand our situation but because this hardware configuration is not supported I cannot escalate and perform futher investigation. I'll let your case open if some people of the community have encountered similar issue and found a workaround.

Regards,

Which hardware RAID controller does DELL recommend for the DELL T40 server?

The T40 doesn't show to support hardware controllers, only the embedded software controller.

I tested 3 RAID controllers in the DELL T40 server.

PERC H710 - it worked properly, but the BIOS and the system did not detect RAM in the DIMM2 slot.

PERC H310 - it worked properly, but the BIOS and the system did not detect RAM in the DIMM2 slot.

PERC H200 - was working properly, All RAM was visible in the BIOS and the system.
Too bad it only has RAID0, RAID1 and RAID10.

Is the PERC H200 too old controller for the new DELL T40 server?

Hi,

As my collegue Chris said, not hardware controller are supported for this server model. Not supported means that we cannot predict the behavior of this type of card into this server.
If you need to implement a H310 or H710 please plan to change your server.

Regards,

I have exactly the same problem with Intel SSD DC P3500. DIMM2 is not usable, just after PCIe mounted. And DIMM2 come back to live, just after remove PCIe.

It is a pity, that Dell experts cannot say where problem is.

Hi, please refer to what my coworker has previously provided: Hope this helps your understanding.

“As my collegue Chris said, not hardware controller are supported for this server model. Not supported means that we cannot predict the behavior of this type of card into this server.
If you need to implement a H310 or H710 please plan to change your server.

Regards,

Stéphane Thiallier
Business Intelligence Advisor”

@potwor_z_lodowki   You can stick the insulation tape on pins B5 and B6.

The controller in my server has been working properly for several weeks.

No problems after sticking the tape.