DCENT_OS install routes by control board
DCENT_OS 0.9.0: exact-board Experimental status
beta20261002 has 29 exact-board status cards; 29 sets have retained or verified public static URLs. There are 17 raw SD images, 11 route-restricted archives and one BeagleBone developer payload. Only 13 raw-image rows have a lab SD route; 4 are inspection only while permissions conflict. Physical qualification is pending. The automated installer route is unavailable because its signed host does not resolve. Static file availability and installation permission are separate.
Choose your exact model and board · Files, verification and installation boundaries · Report an issue · Historical July record
Match the exact model, controller and signed file set
These are beta-channel packages labeled Experimental. Development-key verification on the host does not change the running miner trust policy. Package permission, a runnable installation route and physical qualification are separate. Preserve each original filename and adjacent signed sidecars; no sibling substitution or runtime trust change is authorized by this publication.
| Exact model and board | Package method and recovery boundary |
|---|---|
| Antminer S9 / am1-s9 Zynq/Xilinx | First-install-only archive for the exact S9 controller and confirmed source-firmware route. Self-update is deferred for this package. Keep a complete backup off-device, an exact recovery route and verified restore preparation. No automatic rollback or physical qualification is established. Recovery: Persistent recovery requires saved full backup and exact controller recovery instructions. Automatic failed-boot rollback is not guaranteed. Keep serial/SD recovery available where required by the selected route; no published current-artifact hardware recovery proof is claimed. |
| Antminer S19jPro / am2-s19j Zynq/Xilinx | Requires an already-running matching DCENT_OS runtime that admits the signing authority and the exact authorized storage/update route. It is not stock-firmware first installation. Retain full backup, readback, console and exact recovery media; no automatic rollback is established. Recovery: Keep full backup and exact board recovery media off miner. Follow completed write/readback and route power-cycle prompt; upload acceptance is not boot proof and route does not guarantee automatic reboot. No assumed auto-revert; use saved exact recovery procedure, never raw guessed boot environment writes. |
| Antminer S9i / am1-s9i Zynq/Xilinx | Only a separately authorized exact-board lab trial may prepare this raw image and verify readback. Keep the card inserted during use. Follow supplied controller-specific boot selection, preserve the original state and complete shutdown before removal. This package authorizes no NAND write. Recovery: After completed Stop/shutdown, power off, remove SD and restore recorded original boot selection to return to internal firmware. Preserve failed-boot card and diagnostics. Do not assume this trial is qualified recovery media. |
| Antminer S9j / am1-s9j Zynq/Xilinx | Only a separately authorized exact-board lab trial may prepare this raw image and verify readback. Keep the card inserted during use. Follow supplied controller-specific boot selection, preserve the original state and complete shutdown before removal. This package authorizes no NAND write. Recovery: After completed Stop/shutdown, power off, remove SD and restore recorded original boot selection to return to internal firmware. Preserve failed-boot card and diagnostics. Do not assume this trial is qualified recovery media. |
| Antminer S9SE / am1-s9se Zynq/Xilinx | Only a separately authorized exact-board lab trial may prepare this raw image and verify readback. Keep the card inserted during use. Follow supplied controller-specific boot selection, preserve the original state and complete shutdown before removal. This package authorizes no NAND write. Recovery: After completed Stop/shutdown, power off, remove SD and restore recorded original boot selection to return to internal firmware. Preserve failed-boot card and diagnostics. Do not assume this trial is qualified recovery media. |
| Antminer S9k / am1-s9k Zynq/Xilinx | Only a separately authorized exact-board lab trial may prepare this raw image and verify readback. Keep the card inserted during use. Follow supplied controller-specific boot selection, preserve the original state and complete shutdown before removal. This package authorizes no NAND write. Recovery: After completed Stop/shutdown, power off, remove SD and restore recorded original boot selection to return to internal firmware. Preserve failed-boot card and diagnostics. Do not assume this trial is qualified recovery media. |
| Antminer S15 / am1-s15 Zynq/Xilinx | Only a separately authorized exact-board lab trial may prepare this raw image and verify readback. Keep the card inserted during use. Follow supplied controller-specific boot selection, preserve the original state and complete shutdown before removal. This package authorizes no NAND write. Recovery: After completed Stop/shutdown, power off, remove SD and restore recorded original boot selection to return to internal firmware. Preserve failed-boot card and diagnostics. Do not assume this trial is qualified recovery media. |
| Antminer T15 / am1-t15 Zynq/Xilinx | Only a separately authorized exact-board lab trial may prepare this raw image and verify readback. Keep the card inserted during use. Follow supplied controller-specific boot selection, preserve the original state and complete shutdown before removal. This package authorizes no NAND write. Recovery: After completed Stop/shutdown, power off, remove SD and restore recorded original boot selection to return to internal firmware. Preserve failed-boot card and diagnostics. Do not assume this trial is qualified recovery media. |
| Antminer S17 / am2-s17p Zynq/Xilinx | Only a separately authorized exact-board lab trial may prepare this raw image and verify readback. Keep the card inserted during use. Follow supplied controller-specific boot selection, preserve the original state and complete shutdown before removal. This package authorizes no NAND write. Recovery: After completed Stop/shutdown, power off, remove SD and restore recorded original boot selection to return to internal firmware. Preserve failed-boot card and diagnostics. Do not assume this trial is qualified recovery media. |
| Antminer S17Plus / am2-s17plus Zynq/Xilinx | Only a separately authorized exact-board lab trial may prepare this raw image and verify readback. Keep the card inserted during use. Follow supplied controller-specific boot selection, preserve the original state and complete shutdown before removal. This package authorizes no NAND write. Recovery: After completed Stop/shutdown, power off, remove SD and restore recorded original boot selection to return to internal firmware. Preserve failed-boot card and diagnostics. Do not assume this trial is qualified recovery media. |
| Antminer T17 / am2-t17 Zynq/Xilinx | Only a separately authorized exact-board lab trial may prepare this raw image and verify readback. Keep the card inserted during use. Follow supplied controller-specific boot selection, preserve the original state and complete shutdown before removal. This package authorizes no NAND write. Recovery: After completed Stop/shutdown, power off, remove SD and restore recorded original boot selection to return to internal firmware. Preserve failed-boot card and diagnostics. Do not assume this trial is qualified recovery media. |
| Antminer T17Plus / am2-t17plus Zynq/Xilinx | Only a separately authorized exact-board lab trial may prepare this raw image and verify readback. Keep the card inserted during use. Follow supplied controller-specific boot selection, preserve the original state and complete shutdown before removal. This package authorizes no NAND write. Recovery: After completed Stop/shutdown, power off, remove SD and restore recorded original boot selection to return to internal firmware. Preserve failed-boot card and diagnostics. Do not assume this trial is qualified recovery media. |
| Antminer S19Pro / am2-s19pro Zynq/Xilinx | Only a separately authorized exact-board lab trial may prepare this raw image and verify readback. Keep the card inserted during use. Follow supplied controller-specific boot selection, preserve the original state and complete shutdown before removal. This package authorizes no NAND write. Recovery: After completed Stop/shutdown, power off, remove SD and restore recorded original boot selection to return to internal firmware. Preserve failed-boot card and diagnostics. Do not assume this trial is qualified recovery media. |
| Antminer S19 / am2-s19 Zynq/Xilinx | Verify and inspect this exact package only. Do not prepare boot media, flash or update from this row. Signed package and exact-board restrictions take precedence over the broad feed label. Recovery: After completed Stop/shutdown, power off, remove SD and restore recorded original boot selection to return to internal firmware. Preserve failed-boot card and diagnostics. Do not assume this trial is qualified recovery media. |
| Antminer T19 / am2-t19 Zynq/Xilinx | Verify and inspect this exact package only. Do not prepare boot media, flash or update from this row. Signed package and exact-board restrictions take precedence over the broad feed label. Recovery: After completed Stop/shutdown, power off, remove SD and restore recorded original boot selection to return to internal firmware. Preserve failed-boot card and diagnostics. Do not assume this trial is qualified recovery media. |
| Antminer S19a / am2-s19a Zynq/Xilinx | Verify and inspect this exact package only. Do not prepare boot media, flash or update from this row. Signed package and exact-board restrictions take precedence over the broad feed label. Recovery: After completed Stop/shutdown, power off, remove SD and restore recorded original boot selection to return to internal firmware. Preserve failed-boot card and diagnostics. Do not assume this trial is qualified recovery media. |
| Antminer S19Plus / am2-s19plus Zynq/Xilinx | Verify and inspect this exact package only. Do not prepare boot media, flash or update from this row. Signed package and exact-board restrictions take precedence over the broad feed label. Recovery: After completed Stop/shutdown, power off, remove SD and restore recorded original boot selection to return to internal firmware. Preserve failed-boot card and diagnostics. Do not assume this trial is qualified recovery media. |
| Antminer T17e / am2-t17e Xilinx; exact BM1396 native-SD media contract | Only a separately authorized exact-board lab trial may prepare this raw image and verify readback. Keep the card inserted during use. Follow supplied controller-specific boot selection, preserve the original state and complete shutdown before removal. This package authorizes no NAND write. Recovery: For a normally operating trial, complete Stop/shutdown, disconnect power, remove the card and restore original boot selection if changed. Follow exact controller instructions; no jumper position is inferred. Preserve failed-boot media and diagnostics; no current-artifact recovery qualification claimed. |
| Antminer S17e / am2-s17e Xilinx; exact BM1396 native-SD media contract | Only a separately authorized exact-board lab trial may prepare this raw image and verify readback. Keep the card inserted during use. Follow supplied controller-specific boot selection, preserve the original state and complete shutdown before removal. This package authorizes no NAND write. Recovery: For a normally operating trial, complete Stop/shutdown, disconnect power, remove the card and restore original boot selection if changed. Follow exact controller instructions; no jumper position is inferred. Preserve failed-boot media and diagnostics; no current-artifact recovery qualification claimed. |
| Antminer S19k Pro / am3-s19k Amlogic; exact controller/model prerequisites required | This is a host-driven single-slot rootfs-window lab package, with target-side sysupgrade disabled. It is not an A/B update, raw SD image or stock first-install route. Use only a separately authorized exact-controller lab workflow with a verified full restore directory, backup and recovery preparation; no runnable consumer command is supplied here. Recovery: No automatic rollback or physical recovery qualification is established. Retain a full exact-unit backup and verified recovery preparation under a separately authorized lab workflow; otherwise keep existing firmware. |
| Antminer S19 XP / am3-s19xp Amlogic; exact controller/model prerequisites required | Verify and inspect this exact package only. Do not prepare boot media, flash or update from this row. Signed package and exact-board restrictions take precedence over the broad feed label. Recovery: No automatic rollback or physical recovery qualification is established. Retain a full exact-unit backup and verified recovery preparation under a separately authorized lab workflow; otherwise keep existing firmware. |
| Antminer S19j XP / am3-s19jxp Amlogic; exact controller/model prerequisites required | Verify and inspect this exact package only. Do not prepare boot media, flash or update from this row. Signed package and exact-board restrictions take precedence over the broad feed label. Recovery: No automatic rollback or physical recovery qualification is established. Retain a full exact-unit backup and verified recovery preparation under a separately authorized lab workflow; otherwise keep existing firmware. |
| Antminer S19j Pro A126 / am3-s19jproa Amlogic; exact controller/model prerequisites required | Verify and inspect this exact package only. Do not prepare boot media, flash or update from this row. Signed package and exact-board restrictions take precedence over the broad feed label. Recovery: No automatic rollback or physical recovery qualification is established. Retain a full exact-unit backup and verified recovery preparation under a separately authorized lab workflow; otherwise keep existing firmware. |
| Antminer S19j Pro Plus 120 / am3-s19jproplus Amlogic; exact controller/model prerequisites required | Verify and inspect this exact package only. Do not prepare boot media, flash or update from this row. Signed package and exact-board restrictions take precedence over the broad feed label. Recovery: No automatic rollback or physical recovery qualification is established. Retain a full exact-unit backup and verified recovery preparation under a separately authorized lab workflow; otherwise keep existing firmware. |
| Antminer S19j Pro Classic 126 / am3-s19jpro-aml Amlogic; exact controller/model prerequisites required | Verify and inspect this exact package only. Do not prepare boot media, flash or update from this row. Signed package and exact-board restrictions take precedence over the broad feed label. Recovery: No automatic rollback or physical recovery qualification is established. Retain a full exact-unit backup and verified recovery preparation under a separately authorized lab workflow; otherwise keep existing firmware. |
| Antminer S21 / am3-s21 Amlogic; exact controller/model prerequisites required | This is a host-driven single-slot rootfs-window lab package, with target-side sysupgrade disabled. It is not an A/B update, raw SD image or stock first-install route. Use only a separately authorized exact-controller lab workflow with a verified full restore directory, backup and recovery preparation; no runnable consumer command is supplied here. Recovery: No automatic rollback or physical recovery qualification is established. Retain a full exact-unit backup and verified recovery preparation under a separately authorized lab workflow; otherwise keep existing firmware. |
| Antminer S21 Pro / am3-s21pro Amlogic; exact controller/model prerequisites required | This is a host-driven single-slot rootfs-window lab package, with target-side sysupgrade disabled. It is not an A/B update, raw SD image or stock first-install route. Use only a separately authorized exact-controller lab workflow with a verified full restore directory, backup and recovery preparation; no runnable consumer command is supplied here. Recovery: No automatic rollback or physical recovery qualification is established. Retain a full exact-unit backup and verified recovery preparation under a separately authorized lab workflow; otherwise keep existing firmware. |
| Antminer S21 XP / am3-s21xp Amlogic; exact controller/model prerequisites required | Verify and inspect this exact package only. Do not prepare boot media, flash or update from this row. Signed package and exact-board restrictions take precedence over the broad feed label. Recovery: No automatic rollback or physical recovery qualification is established. Retain a full exact-unit backup and verified recovery preparation under a separately authorized lab workflow; otherwise keep existing firmware. |
| Antminer S19jPro / am3-bb-s19jpro BeagleBone AM335x | Developer payload archive, not a raw SD image or stock web update. Matching AM335x boot assets and exact media staging are separate prerequisites under an authorized lab workflow. Preserve original media and boot selection; no consumer installation or NAND writing route is provided. Recovery: Retain full backup and original boot media. Complete Stop, disconnect power, restore original media and boot selection. NAND installation and NAND revert remain disabled; no jumper position is inferred. Physical recovery qualification is pending. |
S19j Pro BeagleBone: an SD payload, not a complete boot image
Developer SD-payload artifact; no supported consumer installation path is provided here. The required lab-approved external boot assets and exact media-preparation route are not provided as a verified public consumer install set. Download and signature/source verification do not supply a bootable card.
The verified Experimental am3-bb-s19jpro package follows a different route from the Xilinx am2-s19j existing-DCENT_OS update archive. Its source profile identifies the AM335x S19J_IO_BOARD_V2_0 lane with BM1362 and dsPIC fw89; that is source targeting, not validation of every BeagleBone S19j Pro revision. Confirm the exact board in Toolbox.
The original dcentos-am3-bb-s19jpro-sdcard.tar contains an SD payload. It is not a raw card image, stock-web update or NAND installer. A usable boot card additionally needs verified AM335x MLO, u-boot.img, uImage and a carrier-aware DTB from the lab-approved stock restore bundle. The embedded instructions require a DTB identity marker of S19J_IO_BOARD or am335x-boneblack-btm. Follow the supplied Toolbox route only when it provides this exact boot-media preparation and recovery information; otherwise keep the current firmware and original media.
Do not feed the tar to a raw-image writer or finalize media by Windows format/copy: the instructions require MLO as the first real FAT file entry. The boot payload is ramdisk.gz, the U-Boot legacy ramdisk wrapper; uramdisk.image.gz is for inspection and recovery. No ext2 root filesystem is supplied for this boot path. Retain a backup and original boot media and verify the staged files before ejection. Power off before changing media or boot selection; no jumper position is inferred here.
The source defaults mining off with an empty pool and worker. Keep mining stopped if identity, PSU communication or cooling checks fail. For an SD trial's recovery, complete Stop, disconnect power and restore the original media and boot selection. NAND installation and NAND revert remain disabled until exact-lane SD recovery, full NAND backup and restore-to-stock are proven. Signed package verification establishes neither physical boot nor accepted shares, safe cooling, endurance or recovery.
BeagleBone exact package and signature card
Four checks before choosing an installation action
A genuine package, a compatible controller, a runnable installation route and a working miner are four different findings. Check them separately so a successful download verification does not become an unsupported write.
| Check | Evidence to retain | What it does not establish | Stop condition |
|---|---|---|---|
| Exact package | Original filename, board target, byte size, hash, signed companions and explicitly selected release key | Successful boot or a route from the firmware currently installed | A missing companion, mismatched target or signature refusal |
| Exact method | The selected controller and source firmware, route explanation, required backup and recovery files | That a similarly named tar or card image can use the same method | The exact route or its required inputs do not match. For base S9 first installation specifically, Toolbox cannot confirm the source-firmware route or accept the required full exact-unit backup |
| Runtime or boot prerequisites | For S19j Pro Xilinx: an existing DCENT_OS runtime already accepting this development authority. For the BB developer payload: independently verified external boot assets and exact preparation/recovery | A host key choice changing miner trust; a payload tar becoming a complete boot card | A runtime trust refusal or unavailable exact boot/preparation inputs. The BB download provides no supported consumer installation path |
| Observed operation | Displayed version and board state after boot, fan/temperature checks, pool-side accepted-share evidence and the duration of the observation | Endurance, recovery or cooling qualification from a short boot or host test | Identity, PSU communication or cooling checks fail. Keep mining stopped and preserve diagnostics |
An accepted upload, a verified storage write, a reboot and accepted pool shares are separate milestones. Follow the selected route's completion message; wait for any write to finish before a requested power-cycle. Keep refusal details for review instead of adding bypass flags. The exact current release card defines package availability and scope.
Prepare the verification host before preparing the miner
Download one exact-board file set into its own folder, keeping original filenames and companions. The release card's commands are host-side checks; they do not install firmware. SHA-256 checks bytes against the recorded digest. Ed25519 signature verification checks the selected signing authority. Media/runtime inspection checks the signed components and package method. None of these changes the trust already enforced by a running miner.
The card's sha256sum, OpenSSL and dcent commands require those tools to be present. The retained Toolbox source declares Python 3.9 or newer and installation from a full source checkout/export containing pyproject.toml and src/dcent_toolbox/; its PyPI publication is marked pending. Follow the Toolbox source-checkout setup guide. Use it for host setup; the current DCENT_OS release card, not that guide's earlier route table, defines this package's installation eligibility. This page supplies no Windows installer or bundled OpenSSL binary. The env -u verification example on each card is POSIX-shell syntax, not a PowerShell command.
A PowerShell byte check
For the exact S19 Xilinx file, PowerShell can compute the SHA-256 locally:
Get-FileHash -Algorithm SHA256 -LiteralPath '.\dcentos-s19-sd.img'Compare the returned hash with the am2-s19 card, ignoring letter case. For another target, use that card's original filename and digest. This is only a checksum check; it does not replace the signatures or package/media/runtime verification. See Microsoft's Get-FileHash reference.
What a refusal means
| Observed result | Next decision |
|---|---|
| A host command is not found | The host prerequisite is missing; this is not evidence that the miner or package failed. Obtain the documented tool setup before trying to prepare media |
| Hash, signature, target or companion check fails | Keep the files and failure detail for review. Reconcile the exact card, original filenames, selected key and complete companion set; do not add an unsigned or skip-verification option |
| Host checks pass but runtime update authority is refused | The running miner's authority is a separate gate. For S19j Pro Xilinx, retain the existing-runtime prerequisite; host key selection cannot admit a new runtime authority |
| The route requires an unavailable backup or boot input | Stop at that route's prerequisite. For base S9 first install, Toolbox must accept the exact-unit full backup and source-firmware route. The BB developer payload has no supplied consumer path or complete verified public boot set |
Record the exact command, file identity, selected public key and refusal message. A successful read-only preview is not a write approval or physical boot, accepted-share, cooling, endurance or recovery qualification.
Each exact variant keeps its own route
Verify the complete model and confirmed controller. A sibling image, model family or SD slot does not authorize installation. Read the exact card; inspection-only rows forbid media preparation/install/update. Physical qualification and automatic recovery are not established.
- Antminer S15 / Zynq/Xilinx / am1-s15 — Exact-board SD trial for authorized lab use; card stays inserted; no NAND writes
- Antminer T15 / Zynq/Xilinx / am1-t15 — Exact-board SD trial for authorized lab use; card stays inserted; no NAND writes
For native SD rows, only an exact card explicitly allowing a separately authorized lab route may prepare media; inspection-only rows do not. Preserve complete board-specific instructions and never infer NAND permission. Keep the card and recovery steps specific to the controller. For persistent archives, retain the full exact-unit backup, verified restore preparation and original controller recovery procedure. No current-artifact cold-boot, accepted-share, endurance or recovery qualification is claimed.
Exact files, explicit development key, read-only verification and source coverage · Historical July file and operator routes · Recovery reference
Trying DCENT_OS or replacing your current firmware?
Can I try DCENT_OS without replacing the firmware already installed?
The current exact-board record distinguishes raw image availability from permission to prepare SD media. Only rows explicitly permitting a separately authorized lab SD route may proceed; inspection-only rows remain held. Keep the card inserted for an admitted external-media trial, preserve exact boot selection and recovery preparation, and never infer NAND permission.
Can I switch from Braiins OS+, VNish, LuxOS, ePIC UMC OS or Mujina?
A firmware name does not establish a migration route. Confirm your exact model, controller, source firmware and storage layout, then check the package and route prerequisites. The published base-S9 archive is first-install-only and needs a confirmed source-firmware route. The S19j Pro Zynq archive is a guarded update for an existing DCENT_OS installation whose runtime authority admits it; it is not a first install from another firmware. Keep the current installation when that exact route is missing.
What must I retain before a persistent installation or update?
Keep the exact unit's full backup, partition hashes, verified restore preparation and controller-specific recovery procedure off the miner. A settings export alone is insufficient. Do not assume automatic failed-boot rollback. Follow the route's completed-write and power-cycle instructions; an accepted upload is not proof of boot or pool-accepted shares. Read the recovery reference.