PowerEdge R770: Backplane and Cable events during reported during POST

Summary: Critical HWC8011 entries for backplane, signal‑power and cable issues appear in System event log on every boot; they persist due to a issue in iDRAC firmware 1.30.10.50 1.30.10.52 and 1.30.30. ...

This article applies to This article does not apply to This article is not tied to any specific product. Not all product versions are identified in this article.
Check out other resources

Symptoms

SEL and LC Log report various Backplane and Sig Pwr issues.

  • Issue only exists in iDRAC firmware 1.30.10.50 and 1.30.10.52. No other iDRAC firmware version is affected.
  • Event Code is always HWC8011.
  • Severity is always Critical.

Examples:

  • HWC8011 - The System Configuration Check operation resulted in multiple Backplane issues.
  • HWC8011 - The System Configuration Check operation resulted in multiple Sig Pwr Cable issues.
  • HWC8011 - The System Configuration Check operation resulted in multiple Backplane Cable issues.

These events will be present in every boot. The events do not clear on warm boot, cold boot, or AC power cycle. A hardware replacement will not remediate these events.

Cause

A supported configuration was inadvertently dropped from iDRAC firmware version 1.30.30.50. The issue is also present in iDRAC firmware version 1.30.30.52.

Resolution

This issue is resolved in iDRAC firmware version 1.30.30.55.

For customers unable to apply this update, a workaround is available.

  • Workaround:  Roll iDRAC firmware back to March release (version 1.30.10.50) or May release (version 1.30.10.51).

Affected Products

PowerEdge R770
Article Properties
Article Number: 000491029
Article Type: Solution
Last Modified: 28 تموز 2026
Version:  1
Find answers to your questions from other Dell users
Support Services
Check if your device is covered by Support Services.