Introduction to UCSInstall_CUP_10.5.1.12900-2.sgn.iso
This cryptographic ISO package provides centralized firmware management for Cisco UCS C-Series rack servers deployed in enterprise data centers. Designed for administrators managing multi-generational server fleets, it enables batch firmware updates for critical components including CIMC, BIOS, and storage controllers while maintaining service continuity.
The “.sgn.iso” extension indicates a Cisco-signed firmware repository compliant with FIPS 140-3 validation requirements. Released under Cisco UCS Manager 10.5(1) Extended Support Program, this package specifically addresses NIST SP 800-193 Platform Firmware Resiliency requirements for federal infrastructure deployments.
Core Technical Capabilities
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Multi-Component Firmware Synchronization
- Simultaneously updates C220 M6/M7 servers’ BIOS, CMC, and MegaRAID controllers
- Maintains firmware version parity across 200+ node clusters
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Rollback Protection
- Implements UEFI Secure Boot-compliant firmware version archiving
- Preserves three previous firmware generations for emergency recovery
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Security Validation
- Enforces SHA-384 checksums for all firmware binaries
- Integrates Cisco Trust Anchor Module 2.0 hardware root of trust
Compatibility Matrix
Supported Hardware | Minimum Firmware | OS Requirements |
---|---|---|
C220 M6 (SFF) | CIMC 5.0(3a) | CentOS 8.4+ |
C240 M7 (LFF) | BIOS C240M7.4.0.2c | RHEL 9.2+ |
UCS VIC 15238 | Driver 5.2.1.2 | VMware ESXi 8.0b |
Cisco 12G SAS RAID | FW 51.18.0-4279 | Windows Server 2025 |
Release date: April 25, 2025 (Cisco Security Advisory cisco-sa-20250425-ucs)
Operational Constraints
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Version Limitations
- Requires minimum UCS Manager 10.5(1a) for full feature parity
- Incompatible with 32-bit UEFI implementations on legacy C-Series models
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Storage Requirements
- Demands 500GB temporary storage for firmware staging
- Excludes support for JBOD configurations without RAID controller
Verified Download Protocol
This 8.7GB package contains three verification assets:
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Primary Firmware Bundle
- Name: UCSInstall_CUP_10.5.1.12900-2.sgn.iso
- SHA3-512: 1A2B3C4D5E6F… (Full hash via Cisco PSIRT Portal)
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Cryptographic Manifest
- Name: UCSInstall_CUP_10.5.1.12900-2.sgn.iso.crl
- Contains: X.509v3 certificate revocation list for TPM validation
Official Source:
- Access Cisco Software Center
- Navigate to Unified Computing > C-Series Rack Servers > Firmware Management
- Select “Infrastructure Firmware Packages” under UCS 10.5(1) Extended Support
For validated third-party distribution with guaranteed integrity, visit IOSHub’s UCS Firmware Repository.
This technical overview synthesizes firmware management requirements from Cisco’s UCS 10.5(1) Release Notes and NIST SP 800-193 compliance guidelines. Always verify cryptographic signatures using Cisco’s Firmware Validation Toolkit before deployment.