Skip to main content
NetApp Knowledge Base

CHW-3542: NVRAM12 module Device 20/0/0 (IO4) missing during ONTAP upgrade

  1. Last updated
  2. Save as PDF
Views:
Visibility:
Public
Votes:
0
Category:
ontap-9
Specialty:
hw
Last Updated:

Issue

  • During an ONTAP upgrade post node reboot and BIOS upgrade, system reports PCI device missing associated with NVRAM12 module in I/O slot 4:

BIOS Version: 20.5
Portions Copyright (C) 2014-2025 NetApp, Inc. All Rights Reserved.
Initializing System Memory ...
Loading Device Drivers ...
Configuring Devices ...
Device 20/0/0 (IO4) missing
Device(s) in slot missing, attempting to recover it.
System is resetting.
BIOS Version: 20.5
Portions Copyright (C) 2014-2025 NetApp, Inc. All Rights Reserved.
Initializing System Memory ...
Loading Device Drivers ...
Configuring Devices ...
Device 20/0/0 (IO4) missing
CPU = 2 Processor(s) Detected.
Intel(R) Xeon(R) Gold 6438N (CPU 0)
CPUID: 0x000806F8. Cores per Processor = 32
Intel(R) Xeon(R) Gold 6438N (CPU 1)
CPUID: 0x000806F8. Cores per Processor = 32
1048576 MB System RAM Installed.
NVME Device: 0X331511900503B0SAM000PM9A30002T00025000
Boot Loader version 8.5.1
Copyright (C) 2000-2003 Broadcom Corporation.
Portions Copyright (C) 2002-2025 NetApp, Inc. All Rights Reserved.
ACPI RSDP Found at 0x777fe014
BIOS POST Failure(s) detected: PCIe device missing error detected. Abort AUTOBOOT
LOADER-A>
  • Node unable to boot due to missing PCIe device NVRAM12 module

Sign in to view the entire content of this KB article.

New to NetApp?

Learn more about our award-winning Support

NetApp provides no representations or warranties regarding the accuracy or reliability or serviceability of any information or recommendations provided in this publication or with respect to any results that may be obtained by the use of the information or observance of any recommendations provided herein. The information in this document is distributed AS IS and the use of this information or the implementation of any recommendations or techniques herein is a customer's responsibility and depends on the customer's ability to evaluate and integrate them into the customer's operational environment. This document and the information contained herein may be used solely in connection with the NetApp products discussed in this document.