Lacking STANDARDIZED firmware features

[jermahu]

I’m getting increasingly frustrated with OEM firmware lockouts on gaming PCs.

My system has:

• UEFI enabled
• modern CPU/chipset
• a ReBAR-capable GPU: rtx3080
• BIOS installed AMI F.25
• HP OMEN 30L motherboard 8703

Yet HP/OEM firmware removes or hides the advanced PCIe settings required to enable Resizable BAR / Above 4G Decoding.

This is industry-standard functionality supported by the hardware I paid for. Retail motherboards expose these options. OEM customers are stuck with artificially restricted firmware and no official way to access features their hardware is fully capable of using.

What’s most frustrating is that:

• there’s little transparency about whether support exists internally. Not a single decent response in over 7 years.
• BIOS menus are stripped down with no advanced mode
• users are pushed toward risky unofficial BIOS mods just to access standard functionality

Why are customers paying full price for capable hardware while being denied firmware-level access that exists on equivalent retail platforms?

At minimum, OEM vendors should:

• expose advanced BIOS options
• clearly document feature support/limitations
• provide official ReBAR support where the platform hardware already supports it

And from a technical standpoint: what is the actual engineering or validation reason this is still locked down in 2026, despite the feature being standardized across modern GPUs and chipsets? 

How has HP still not addressed these issues? Last time I checked was in 2019. That's 7 years ago. Are customers not taken serious at all?

[Bill_To]

Greetings @jermahu 

Most, if not all, OEM PCs have limited BIOS options to reduce warranty support.

The only way to get full BIOS control is to purchase a System Integrator custom built PC using off the shelf components (which still carries a limited warranty) or you build the PC using retail parts.

All retail MB and other component manufacturers will void the warranty if post RMA inspection discovers MB damage or other component damage due to user error.

Look, your point on having access to all BIOS settings is valid. That's why I build my own PCs.

But I also realize I'm at financial risk if I break something.

Regards

[jermahu]

"Shoulda got custom" on a HP forum.

Okay, thank you for the contribution, which is basically admitting my point while pretending it excuses the behavior. It's also complete nonsense and dishonest:

- ReBAR and Above 4G Decoding are not dangerous “overclocking” features anymore. Why are we still pretending it's a niche enthusiast tweak?

- OEMs already validate these systems. HP sold the machine with everything mentioned above.

The “support burden” excuse becomes weak when the hardware stack already supports the feature at every level except the artificially restricted UI.

The argument “build your own PC then” is absurd when consumers paid premium prices for branded gaming desktops specifically marketed as high-performance enthusiast systems. An HP OMEN 30L is not marketed as an office PC for nontechnical users.

“You might break something” also doesn’t make sense in context because:
- enabling ReBAR is a toggle, not a voltage modification
- retail boards expose it safely

- GPU vendors themselves advertise ReBAR/SAM performance gain
- many OEMs already enable it by default on newer systems

You also completely ignored my actual complaint and question and pivoted to an admission that OEM firmware restrictions exist mainly because OEMs choose control and support simplification over owner access.

My point is also the timeline issue. Seven years without transparency or a roadmap is the bigger criticism. There's zero honest engineering communication.

I guess your advice on this HP forum boils down to "Yes, the hardware can do it. Yes, retail boards expose it. No, HP won’t let you access it. Buy something else.” Which was exactly the anti-consumer behavior I was criticizing. 

[Bill_To]

Greetings,

Opinions or troubleshooting suggestions in my responses are provided independently. I am not employed by: HP, Inc. or the HP Forum.

Regards