> ## Documentation Index
> Fetch the complete documentation index at: https://sambanova-systems.mintlify.site/docs/llms.txt
> Use this file to discover all available pages before exploring further.

# SambaRack Manager release notes

Release notes for SambaRack Manager, including new features, enhancements, and fixes.

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## SambaRack Manager v1.0.57 release

**Release Date:** April 30, 2026

This release introduces 2-PDU configuration support for SambaRack SN40L-16 and a new firmware update command for BIOS, BMC, card, and XRDU device types.

### New features and enhancements

**SambaRack SN40L-16: 2-PDU configuration support**

SambaRack Manager now supports the 2-PDU SambaRack SN40L-16 configuration (part number `P-1002331`) alongside the existing 4-PDU configuration (part number `1001934`).

* `snctl rack add` accepts part number `P-1002331`; the component list reflects the actual PDU count.
* `snctl rack list` shows `Type: P-1002331` and `PDUs: 2` for 2-PDU racks.
* `snctl rack show` shows only `PDU/1` and `PDU/2` for 2-PDU racks.
* The device index table is updated to reflect 1–4 (4-PDU config) or 1–2 (2-PDU config).

**Firmware update command**

The `snctl device firmware-update` command is now available for BIOS, BMC, card, and XRDU device types.

* Use `--rack-id` or `--group` to select the target; use `--index` to target a specific XRDU (single, comma-separated list, or all).
* Use `--file` for a custom firmware file; use `--force` to skip pre-condition checks.
* When upgrading multiple components in the same maintenance window, follow this order: THOR CARD → BIOS → BMC → XRDU.
* XRDUs within a rack are upgraded in parallel; racks within a group are processed sequentially.

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