Member Avatar for ggeoff

MPT BIOS fault
Hi
I Cannot boot my Dell 690. The message I get is: "Unable to load LSI Logic Corp MPT BIOS MPT BIOS fault 03h encountered at adapter PCI (05h, 0Bh, 00h). No boot device available.
Stike F1 to retry boot, F2 for setup utility.
I get a momentary Dell screen. diagnostic lights are 123 green. I dont won't to interfere with setup settings at present without seeking advice. But wondered whether I should select factory defaults.
The PC is running Windows 10 upgraded from Windows 7 Pro. I have the Windows 7 Pro disk and wondered whether I could boot up with that and then check Device Manager for issues with the hardware.

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This thread shows a classic LSI "MPT" option-ROM initialization failure on an HBA/RAID adapter. The POST-level fault usually means the controller's firmware/option-ROM did not initialize (causes range from firmware corruption or a controller hardware fault to BIOS/UEFI compatibility or PCI resource conflicts). ()

Practical, low-risk checks that have helped others: power down and reseat the HBA and its SAS/SATA cables; remove any nonessential PCI cards and boot with only the motherboard drive and the HBA installed; watch for the LSI configuration prompt (the card’s option-ROM/utility) during POST. If the option-ROM is the problem but the card otherwise works in the OS, try changing motherboard boot-mode/CSM settings or disabling the card’s BIOS/option-ROM (in virtual passthrough setups this is commonly done with a rombar/ROM-Bar off or rombar=0). If the adapter never appears, collect its model/PCI slot and inspect from a live environment (lspci/dmesg) to confirm the controller state. (serverfault.com)

If diagnostics point to a firmware fault, use only vendor-supplied firmware tools (Dell/Broadcom/LSI) and follow vendor instructions: do not downgrade firmware, and be aware flashing carries a data-risk if interrupted. Many vendors document that certain MPT fault codes indicate firmware/compatibility problems and recommend firmware updates or replacement if the controller is in a fault state. ()

Note: ’s suggestion to review BIOS/UEFI behavior is on point; the next useful diagnostics are the adapter model, PCI coordinates and whether the LSI utility appears during POST.

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Member Avatar for rubberman

Boot into the BIOS and check the UEFI settings. Windows 10 probably requires secure boot to be enabled.

Member Avatar for ggeoff

Thanks Rubberman. I dont know what the UEFI settings are supposed to be as UEFI is not on my old workstation. I have enabled all drives though and changed ATA to AHCI which is the default and I was able to get Windows to start.

I hadn't been altering anything so wonder why my two hard drives are not displayed in the BIOS.

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