November 11, 2025Nov 11 Hi,So I have UNRAID installed on:Intel 14500 (soon to be upgraded to a 13500t I have lying around)64GB of DDR5 RAM without XMP enabledASROCK Z790 TB4 PG ITX motherboard updated to the latest version.nvme slot1 -> WD 1TB SN850Xnvme slot 2-> WD 1TB SN850Xnvme slot 3 -> sata adapter x6 asm1166 update last versiónpcie -> Intel x710 DA2 update firmware oficial intel last versionSeasonic SPX650HDDs Toshiba and seagate.I'm trying to get past C2 in the package and I'm unable to (it's enabled in the BIOS).https://i.ibb.co/PGFpzw5t/Screenshot-1.pnghttps://einfoldtech.com/wp-content/uploads/2022/11/Block-Diagram-e1667970796153-768x555.pngHas anyone else encountered this problem? I'd like to try to achieve the highest possible C state to reduce power consumption as much as possible, but I haven't been able to so far. Everything is up to date, including unraid. Edited November 11, 2025Nov 11 by Nozle
November 24, 2025Nov 24 Author ower:~# root@Tower:~# lspci -vvv | grep -B 20 'ASPM Disabled' Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx- Latency: 0, Cache Line Size: 64 bytes Interrupt: pin A routed to IRQ 125 IOMMU group: 9 Bus: primary=00, secondary=04, subordinate=09, sec-latency=0 I/O behind bridge: 3000-4fff [size=8K] [16-bit] Memory behind bridge: 50800000-511fffff [size=10M] [32-bit] Prefetchable memory behind bridge: 4019000000-40194fffff [size=5M] [32-bit] Secondary status: 66MHz- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- <SERR- <PERR- BridgeCtl: Parity- SERR+ NoISA- VGA- VGA16+ MAbort- >Reset- FastB2B- PriDiscTmr- SecDiscTmr- DiscTmrStat- DiscTmrSERREn- Capabilities: [40] Express (v2) Root Port (Slot+), IntMsgNum 0 DevCap: MaxPayload 256 bytes, PhantFunc 0 ExtTag- RBE+ TEE-IO- DevCtl: CorrErr- NonFatalErr- FatalErr- UnsupReq- RlxdOrd- ExtTag- PhantFunc- AuxPwr- NoSnoop- MaxPayload 128 bytes, MaxReadReq 128 bytes DevSta: CorrErr- NonFatalErr- FatalErr- UnsupReq- AuxPwr+ TransPend- LnkCap: Port #21, Speed 16GT/s, Width x4, ASPM L1, Exit Latency L1 <64us ClockPM- Surprise- LLActRep+ BwNot+ ASPMOptComp+ LnkCtl: ASPM Disabled; RCB 64 bytes, LnkDisable- CommClk+ -- Memory behind bridge: 50800000-510fffff [size=9M] [32-bit] Prefetchable memory behind bridge: 4019000000-40194fffff [size=5M] [32-bit] Secondary status: 66MHz- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- <SERR- <PERR- BridgeCtl: Parity- SERR+ NoISA- VGA- VGA16+ MAbort- >Reset- FastB2B- PriDiscTmr- SecDiscTmr- DiscTmrStat- DiscTmrSERREn- Capabilities: [80] Power Management version 3 Flags: PMEClk- DSI- D1+ D2+ AuxCurrent=375mA PME(D0+,D1+,D2+,D3hot+,D3cold+) Status: D0 NoSoftRst+ PME-Enable- DSel=0 DScale=0 PME- Capabilities: [88] MSI: Enable- Count=1/1 Maskable- 64bit+ Address: 0000000000000000 Data: 0000 Capabilities: [ac] Subsystem: Intel Corporation Device 0000 Capabilities: [c0] Express (v2) Upstream Port, IntMsgNum 0 DevCap: MaxPayload 128 bytes, PhantFunc 0 ExtTag+ AttnBtn- AttnInd- PwrInd- RBE+ SlotPowerLimit 25W TEE-IO- DevCtl: CorrErr+ NonFatalErr+ FatalErr+ UnsupReq+ RlxdOrd+ ExtTag+ PhantFunc- AuxPwr- NoSnoop+ MaxPayload 128 bytes, MaxReadReq 512 bytes DevSta: CorrErr- NonFatalErr- FatalErr- UnsupReq- AuxPwr+ TransPend- LnkCap: Port #0, Speed 8GT/s, Width x4, ASPM L0s L1, Exit Latency L0s <2us, L1 <4us ClockPM+ Surprise- LLActRep- BwNot- ASPMOptComp+ LnkCtl: ASPM Disabled; LnkDisable- CommClk+ root@Tower:~# root@Tower:~# lspci -vvv | grep -B 20 'ASPM Disabled' Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx- Latency: 0, Cache Line Size: 64 bytes Interrupt: pin A routed to IRQ 125 IOMMU group: 9 Bus: primary=00, secondary=04, subordinate=09, sec-latency=0 I/O behind bridge: 3000-4fff [size=8K] [16-bit] Memory behind bridge: 50800000-511fffff [size=10M] [32-bit] Prefetchable memory behind bridge: 4019000000-40194fffff [size=5M] [32-bit] Secondary status: 66MHz- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- <SERR- <PERR- BridgeCtl: Parity- SERR+ NoISA- VGA- VGA16+ MAbort- >Reset- FastB2B- PriDiscTmr- SecDiscTmr- DiscTmrStat- DiscTmrSERREn- Capabilities: [40] Express (v2) Root Port (Slot+), IntMsgNum 0 DevCap: MaxPayload 256 bytes, PhantFunc 0 ExtTag- RBE+ TEE-IO- DevCtl: CorrErr- NonFatalErr- FatalErr- UnsupReq- RlxdOrd- ExtTag- PhantFunc- AuxPwr- NoSnoop- MaxPayload 128 bytes, MaxReadReq 128 bytes DevSta: CorrErr- NonFatalErr- FatalErr- UnsupReq- AuxPwr+ TransPend- LnkCap: Port #21, Speed 16GT/s, Width x4, ASPM L1, Exit Latency L1 <64us ClockPM- Surprise- LLActRep+ BwNot+ ASPMOptComp+ LnkCtl: ASPM Disabled; RCB 64 bytes, LnkDisable- CommClk+ -- Memory behind bridge: 50800000-510fffff [size=9M] [32-bit] Prefetchable memory behind bridge: 4019000000-40194fffff [size=5M] [32-bit] Secondary status: 66MHz- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- <SERR- <PERR- BridgeCtl: Parity- SERR+ NoISA- VGA- VGA16+ MAbort- >Reset- FastB2B- PriDiscTmr- SecDiscTmr- DiscTmrStat- DiscTmrSERREn- Capabilities: [80] Power Management version 3 Flags: PMEClk- DSI- D1+ D2+ AuxCurrent=375mA PME(D0+,D1+,D2+,D3hot+,D3cold+) Status: D0 NoSoftRst+ PME-Enable- DSel=0 DScale=0 PME- Capabilities: [88] MSI: Enable- Count=1/1 Maskable- 64bit+ Address: 0000000000000000 Data: 0000 Capabilities: [ac] Subsystem: Intel Corporation Device 0000 Capabilities: [c0] Express (v2) Upstream Port, IntMsgNum 0 DevCap: MaxPayload 128 bytes, PhantFunc 0 ExtTag+ AttnBtn- AttnInd- PwrInd- RBE+ SlotPowerLimit 25W TEE-IO- DevCtl: CorrErr+ NonFatalErr+ FatalErr+ UnsupReq+ RlxdOrd+ ExtTag+ PhantFunc- AuxPwr- NoSnoop+ MaxPayload 128 bytes, MaxReadReq 512 bytes DevSta: CorrErr- NonFatalErr- FatalErr- UnsupReq- AuxPwr+ TransPend- LnkCap: Port #0, Speed 8GT/s, Width x4, ASPM L0s L1, Exit Latency L0s <2us, L1 <4us ClockPM+ Surprise- LLActRep- BwNot- ASPMOptComp+ LnkCtl: ASPM Disabled; LnkDisable- CommClk+
November 24, 2025Nov 24 On 11/11/2025 at 6:40 AM, Nozle said:ASROCK Z790The ASRock Z-Series Boards are known for excessive power consumption... it might be possible, thats a "Board-Factor" and can (maybe) not be fixed... but this is only a "guess".I use an ASRock Z690 Extreme at my PC and this board is a nightmare regarding power consumption... Edited November 24, 2025Nov 24 by Zonediver
November 25, 2025Nov 25 Author 16 hours ago, Zonediver said:The ASRock Z-Series Boards are known for excessive power consumption... it might be possible, thats a "Board-Factor" and can (maybe) not be fixed... but this is only a "guess".I use an ASRock Z690 Extreme at my PC and this board is a nightmare regarding power consumption...This motherboard can reach C10 on Windows without any problems.I reinstalled an Ubuntu live USB and everything was clean, it reaches C2, once I remove the Intel x710 I can see up to C3 maximum.
December 11, 2025Dec 11 ASRock is known for its BIOS, which is limited or hard‑coded to use a maximum of C3 (or so). Edited December 11, 2025Dec 11 by bagican
December 11, 2025Dec 11 Author 2 hours ago, bagican said:ASRock es conocido por su BIOS, que está limitado o codificado para utilizar un máximo de C3 (o algo así).I have left Asrock, I'm building a new system with unRAID and I'm having a small problem with the power saving states in package C. Has anyone here with an MSI Tomahawk Z790 WiFi motherboard been able to get past the C3 package? I have one installed with a 14500t processor, but it's stuck on the C3 package.The BIOS configuration looks like this:Powertop --auto-tune runningI've also tried Ubuntu Live USB with the same result.Nothing else is connected besides RAM, CPU, and mouse/keyboard (apart from the USB drive with Ubuntu Live USB or unRAID). Edited January 19Jan 19 by Nozle
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