On Mon, Aug 17, 2026 at 09:17:29PM +0200, Sebastian Reitenbach wrote: > Hi, > > I got this fanless Intel N95 based system. It came with Windows 11 > pre-installed. > hwinfo64 showed, that it can boost up to the promised 3.4GHz. But on > OpenBSD, > I tried with > > apm -H, or hw.perfpolicy=high,auto > > to no avail, hw.cpuspeed never goes higher than 1701.
1701 represents the turbo setting look at the cpu frequencies in sysctl hw.sensors > > I also tried in the BIOS to enable/disable Intel Speed Shift Technology, > but no change. > My research suggests that the ACPI Power States Table might be > misinterpreted, causing speeds higher than 1701 to be omitted or ignored? > But I to be honest I've no real clue about it. > > Is this some known limitation? Anything I could do? > > dmesg below. acpidump output attached. > > cheers, > Sebastian > > OpenBSD 8.0-beta (GENERIC.MP) #91: Sat Aug 15 12:44:51 MDT 2026 > [email protected]:/usr/src/sys/arch/amd64/compile/GENERIC.MP > real mem = 34106941440 (32526MB) > avail mem = 33049096192 (31518MB) > random: good seed from bootblocks > mpath0 at root > scsibus0 at mpath0: 256 targets > mainbus0 at root > bios0 at mainbus0: SMBIOS rev. 3.6 @ 0x75c86000 (127 entries) > bios0: vendor American Megatrends International, LLC. version "0.30" date > 03/26/2026 > bios0: GEEKOM IX12 > efi0 at bios0: UEFI 2.8 > efi0: American Megatrends rev 0x5001b > acpi0 at bios0: ACPI 6.5 > acpi0: sleep states S0 S5 > acpi0: tables DSDT FACP FIDT MSDM SSDT SSDT SSDT SSDT SSDT HPET APIC MCFG > SSDT UEFI SDEV NHLT LPIT SSDT SSDT DBGP DBG2 DMAR FPDT SSDT SSDT SSDT SSDT > PHAT TPM2 WSMT > acpi0: wakeup devices PEGP(S4) PEGP(S4) PEGP(S4) SIO1(S3) RP09(S4) PXSX(S4) > RP10(S4) PXSX(S4) RP11(S4) PXSX(S4) RP12(S4) PXSX(S4) RP13(S4) PXSX(S4) > RP14(S4) PXSX(S4) [...] > acpitimer0 at acpi0: 3579545 Hz, 24 bits > acpihpet0 at acpi0: 19200000 Hz > acpimadt0 at acpi0 addr 0xfee00000: PC-AT compat > cpu0 at mainbus0: apid 0 (boot processor) > cpu0: Intel(R) N95, 3392.18 MHz, 06-be-00, patch 00000021 > cpu0: cpuid 1 > edx=bfebfbff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,CFLUSH,DS,ACPI,MMX,FXSR,SSE,SSE2,SS,HTT,TM,PBE> > ecx=77fafbbf<SSE3,PCLMUL,DTES64,MWAIT,DS-CPL,VMX,EST,TM2,SSSE3,SDBG,FMA3,CX16,xTPR,PDCM,PCID,SSE4.1,SSE4.2,x2APIC,MOVBE,POPCNT,DEADLINE,AES,XSAVE,AVX,F16C,RDRAND> > cpu0: cpuid 6 eax=77<SENSOR,ARAT,PTS> ecx=9<EFFFREQ> > cpu0: cpuid 7.0 > ebx=239ca7eb<FSGSBASE,TSC_ADJUST,BMI1,AVX2,SMEP,BMI2,ERMS,INVPCID,RDSEED,ADX,SMAP,CLFLUSHOPT,CLWB,PT,SHA> > ecx=98c007ac<UMIP,PKU,WAITPKG,PKS> > edx=fc184410<MD_CLEAR,IBT,IBRS,IBPB,STIBP,L1DF,SSBD> > cpu0: cpuid a vers=5, gp=6, gpwidth=48, ff=3, ffwidth=48 > cpu0: cpuid d.1 eax=f<XSAVEOPT,XSAVEC,XGETBV1,XSAVES> > cpu0: cpuid 80000001 edx=2c100800<NXE,PAGE1GB,RDTSCP,LONG> > ecx=121<LAHF,ABM,3DNOWP> > cpu0: cpuid 80000007 edx=100<ITSC> > cpu0: msr > 10a=15c0fd6b<IBRS_ALL,SKIP_L1DFL,MDS_NO,IF_PSCHANGE,TAA_NO,MISC_PKG_CT,ENERGY_FILT,DOITM,SBDR_SSDP_N,FBSDP_NO,PSDP_NO,OVERCLOCK,PBRSB_NO,GDS_NO,RFDS_CLEAR> > cpu0: 32KB 64b/line 8-way D-cache, 64KB 64b/line 8-way I-cache, 2MB > 64b/line 16-way L2 cache, 6MB 64b/line 12-way L3 cache > cpu0: smt 0, core 0, package 0, type E > mtrr: Pentium Pro MTRR support, 10 var ranges, 88 fixed ranges > cpu0: apic clock running at 38MHz > cpu0: mwait min=64, max=64, C-substates=0.2.0.2.0.1.0.1, IBE > cpu1 at mainbus0: apid 2 (application processor) > cpu1: Intel(R) N95, 3392.18 MHz, 06-be-00, patch 00000021 > cpu1: smt 0, core 1, package 0, type E > cpu2 at mainbus0: apid 4 (application processor) > cpu2: Intel(R) N95, 2693.79 MHz, 06-be-00, patch 00000021 > cpu2: smt 0, core 2, package 0, type E > cpu3 at mainbus0: apid 6 (application processor) > cpu3: Intel(R) N95, 2693.79 MHz, 06-be-00, patch 00000021 > cpu3: smt 0, core 3, package 0, type E > ioapic0 at mainbus0: apid 2 pa 0xfec00000, version 20, 120 pins > acpimcfg0 at acpi0 > acpimcfg0: addr 0xc0000000, bus 0-255 > acpiprt0 at acpi0: bus 0 (PC00) > acpiprt1 at acpi0: bus 33 (RP09) > acpiprt2 at acpi0: bus 32 (RP10) > acpiprt3 at acpi0: bus -1 (RP11) > acpiprt4 at acpi0: bus -1 (RP12) > acpiprt5 at acpi0: bus -1 (RP13) > acpiprt6 at acpi0: bus -1 (RP14) > acpiprt7 at acpi0: bus -1 (RP15) > acpiprt8 at acpi0: bus -1 (RP16) > acpiprt9 at acpi0: bus -1 (RP01) > acpiprt10 at acpi0: bus -1 (RP02) > acpiprt11 at acpi0: bus 1 (RP03) > acpiprt12 at acpi0: bus 35 (RP04) > acpiprt13 at acpi0: bus -1 (RP05) > acpiprt14 at acpi0: bus -1 (RP06) > acpiprt15 at acpi0: bus 34 (RP07) > acpiprt16 at acpi0: bus -1 (RP08) > acpiprt17 at acpi0: bus -1 (RP17) > acpiprt18 at acpi0: bus -1 (RP18) > acpiprt19 at acpi0: bus -1 (RP19) > acpiprt20 at acpi0: bus -1 (RP20) > acpiprt21 at acpi0: bus -1 (RP21) > acpiprt22 at acpi0: bus -1 (RP22) > acpiprt23 at acpi0: bus -1 (RP23) > acpiprt24 at acpi0: bus -1 (RP24) > acpiec0 at acpi0: not present > acpipci0 at acpi0 PC00: 0x00000000 0x00000011 0x00000001 > com0 at acpi0 UAR1 addr 0x3f8/0x8 irq 4: ns16550a, 16 byte fifo > "OVTI01AS" at acpi0 not configured > "OVTID858" at acpi0 not configured > "TXNW3643" at acpi0 not configured > "TXNW3643" at acpi0 not configured > "ACPI000E" at acpi0 not configured > pchgpio0 at acpi0 GPI0 addr 0xfd6e0000/0x10000 0xfd6d0000/0x10000 > 0xfd6a0000/0x10000 0xfd690000/0x10000 irq 14, 384 pins > acpibtn0 at acpi0: SLPB > acpicpu0 at acpi0: C3(200@1048 mwait.1@0x60), C2(350@127 mwait.1@0x21), > C1(1000@1 mwait.1), PSS > acpicpu1 at acpi0: C3(200@1048 mwait.1@0x60), C2(350@127 mwait.1@0x21), > C1(1000@1 mwait.1), PSS > acpicpu2 at acpi0: C3(200@1048 mwait.1@0x60), C2(350@127 mwait.1@0x21), > C1(1000@1 mwait.1), PSS > acpicpu3 at acpi0: C3(200@1048 mwait.1@0x60), C2(350@127 mwait.1@0x21), > C1(1000@1 mwait.1), PSS > "PNP0C14" at acpi0 not configured > "PNP0C14" at acpi0 not configured > intelpmc0 at acpi0: PEPD > state 0: 0x7f:1:2:0x00:0x0000000000000060 > counter: 0x7f:64:0:0x00:0x0000000000000632 > frequency: 0 > state 1: 0x7f:1:2:0x00:0x0000000000000060 > counter: 0x00:32:0:0x03:0x00000000fe00193c > frequency: 8197 > "INTC1070" at acpi0 not configured > acpibtn1 at acpi0: PWRB > tpm0 at acpi0 TPM_ 2.0 (TIS) addr 0xfed40000/0x5000, device 0x001d15d1 rev > 0x36 > acpipwrres0 at acpi0: WRST > acpipwrres1 at acpi0: TBT0, resource for TDM0, TRP0, TRP1 > acpipwrres2 at acpi0: TBT1, resource for TDM1, TRP2, TRP3 > acpipwrres3 at acpi0: D3C_, resource for TXHC, TDM0, TDM1, TRP0, TRP1, > TRP2, TRP3 > acpipwrres4 at acpi0: FN00 > acpipwrres5 at acpi0: FN01 > acpipwrres6 at acpi0: FN02 > acpipwrres7 at acpi0: FN03 > acpipwrres8 at acpi0: FN04 > acpitz0 at acpi0 > acpitz0: critical temperature is 110 degC > acpipwrres9 at acpi0: PIN_ > acpivideo0 at acpi0: GFX0 > acpivout0 at acpivideo0: DD1F > acpivout1 at acpivideo0: DD2F > cpu0: using VERW MDS workaround > cpu0: Enhanced SpeedStep 3392 MHz: speeds: 1701, 1700, 1600, 1500, 1400, > 1300, 1200, 1100, 1000, 900, 800 MHz > pci0 at mainbus0 bus 0 > 0:31:5: mem address conflict 0xfe010000/0x1000 > pchb0 at pci0 dev 0 function 0 vendor "Intel", unknown product 0x4618 rev > 0x00 > inteldrm0 at pci0 dev 2 function 0 "Intel Graphics" rev 0x00 > drm0 at inteldrm0 > inteldrm0: msi, ALDERLAKE_P, gen 12 > "Intel ADL-N GNA" rev 0x00 at pci0 dev 8 function 0 not configured > "Intel Core 12G CL" rev 0x01 at pci0 dev 10 function 0 not configured > xhci0 at pci0 dev 13 function 0 "Intel ADL-N xHCI" rev 0x00: msi, xHCI 1.20 > usb0 at xhci0: USB revision 3.0 > uhub0 at usb0 configuration 1 interface 0 "Intel xHCI root hub" rev > 3.00/1.00 addr 1 > xhci1 at pci0 dev 20 function 0 "Intel ADL-N xHCI" rev 0x00: msi, xHCI 1.20 > usb1 at xhci1: USB revision 3.0 > uhub1 at usb1 configuration 1 interface 0 "Intel xHCI root hub" rev > 3.00/1.00 addr 1 > "Intel ADL-N SRAM" rev 0x00 at pci0 dev 20 function 2 not configured > dwiic0 at pci0 dev 21 function 0 "Intel ADL-N I2C" rev 0x00: apic 2 int 27 > iic0 at dwiic0 > dwiic1 at pci0 dev 21 function 1 "Intel ADL-N I2C" rev 0x00: apic 2 int 40 > iic1 at dwiic1 > "Intel ADL-N HECI" rev 0x00 at pci0 dev 22 function 0 not configured > ahci0 at pci0 dev 23 function 0 "Intel ADL-N AHCI" rev 0x00: msi, AHCI 1.3.1 > ahci0: port 0: 6.0Gb/s > ahci0: PHY offline on port 1 > scsibus1 at ahci0: 32 targets > sd0 at scsibus1 targ 0 lun 0: <ATA, Samsung SSD 860, RVT2> > naa.5002538e3130b347 > sd0: 476940MB, 512 bytes/sector, 976773168 sectors, thin > dwiic2 at pci0 dev 25 function 0 "Intel ADL-N I2C" rev 0x00: apic 2 int 31 > iic2 at dwiic2 > dwiic3 at pci0 dev 25 function 1 "Intel ADL-N I2C" rev 0x00: apic 2 int 32 > iic3 at dwiic3 > sdhc0 at pci0 dev 26 function 0 "Intel ADL-N eMMC" rev 0x00: apic 2 int 16 > sdhc0: SDHC 3.00, 200 MHz base clock > sdmmc0 at sdhc0: 8-bit, sd high-speed, mmc high-speed, ddr52, dma > ppb0 at pci0 dev 28 function 0 "Intel ADL-N PCIE" rev 0x00: msi > pci1 at ppb0 bus 1 > "MediaTek MT7920" rev 0x00 at pci1 dev 0 function 0 not configured > ppb1 at pci0 dev 28 function 3 "Intel ADL-N PCIE" rev 0x00: msi > pci2 at ppb1 bus 35 > igc0 at pci2 dev 0 function 0 "Intel I226-V" rev 0x04, msix, 4 queues, > address 38:f7:cd:d3:df:90 > ppb2 at pci0 dev 28 function 6 "Intel ADL-N PCIE" rev 0x00: msi > pci3 at ppb2 bus 34 > igc1 at pci3 dev 0 function 0 "Intel I226-V" rev 0x04, msix, 4 queues, > address 38:f7:cd:d9:13:e2 > ppb3 at pci0 dev 29 function 0 "Intel ADL-N PCIE" rev 0x00: msi > pci4 at ppb3 bus 33 > igc2 at pci4 dev 0 function 0 "Intel I226-V" rev 0x04, msix, 4 queues, > address 38:f7:cd:d9:13:dc > ppb4 at pci0 dev 29 function 1 "Intel ADL-N PCIE" rev 0x00: msi > pci5 at ppb4 bus 32 > igc3 at pci5 dev 0 function 0 "Intel I226-V" rev 0x04, msix, 4 queues, > address 38:f7:cd:d9:13:dd > "Intel ADL-N UART" rev 0x00 at pci0 dev 30 function 0 not configured > "Intel ADL-N GSPI" rev 0x00 at pci0 dev 30 function 3 not configured > pcib0 at pci0 dev 31 function 0 vendor "Intel", unknown product 0x5482 rev > 0x00 > azalia0 at pci0 dev 31 function 3 "Intel ADL-N HD Audio" rev 0x00: msi > azalia0: codecs: Realtek ALC269, 0x0000/0x0000, using Realtek ALC269 > audio0 at azalia0 > ichiic0 at pci0 dev 31 function 4 "Intel ADL-N SMBus" rev 0x00: apic 2 int > 16 > iic4 at ichiic0 > iic4: addr 0x4a 15=2c 16=20 19=04 1b=05 1c=60 1e=60 1f=60 20=89 21=78 22=63 > 25=78 26=63 27=78 28=63 29=b0 2a=bb 2b=42 2c=20 2d=22 2e=04 2f=5a 32=80 > 34=0e 3b=04 3c=0b 3d=2a d8=10 words 00=0000 01=0000 02=0000 03=0000 04=0000 > 05=0000 06=0000 07=0000 > "eeprom" at iic4 addr 0x52 not configured > "Intel ADL-N SPI" rev 0x00 at pci0 dev 31 function 5 not configured > isa0 at pcib0 > isadma0 at isa0 > pcppi0 at isa0 port 0x61 > spkr0 at pcppi0 > vmm0 at mainbus0: VMX/EPT > efifb at mainbus0 not configured > enable mbufs in high memory > scsibus2 at sdmmc0: 2 targets, initiator 0 > sd1 at scsibus2 targ 1 lun 0: <SD/MMC, C9A611, 0000> removable > sd1: 59680MB, 512 bytes/sector, 122224640 sectors > uhidev0 at uhub1 port 1 configuration 1 interface 0 "CHESEN PS2 to USB > Converter" rev 1.10/0.10 addr 2 > uhidev0: iclass 3/1 > ukbd0 at uhidev0: 8 variable keys, 6 key codes > wskbd0 at ukbd0: console keyboard > uhidev1 at uhub1 port 1 configuration 1 interface 1 "CHESEN PS2 to USB > Converter" rev 1.10/0.10 addr 2 > uhidev1: iclass 3/1, 3 report ids > ums0 at uhidev1 reportid 1: 5 buttons, Z dir > wsmouse0 at ums0 mux 0 > uhid0 at uhidev1 reportid 2: input=1, output=0, feature=0 > ucc0 at uhidev1 reportid 3: 5 usages, 4 keys, array > wskbd1 at ucc0 mux 1 > uhidev2 at uhub1 port 3 configuration 1 interface 0 "YICHIP Wireless > Device" rev 2.00/0.02 addr 3 > uhidev2: iclass 3/1 > ukbd1 at uhidev2: 8 variable keys, 6 key codes > wskbd2 at ukbd1 mux 1 > uhidev3 at uhub1 port 3 configuration 1 interface 1 "YICHIP Wireless > Device" rev 2.00/0.02 addr 3 > uhidev3: iclass 3/1, 3 report ids > ums1 at uhidev3 reportid 1: 5 buttons, Z and W dir > wsmouse1 at ums1 mux 0 > uhid1 at uhidev3 reportid 2: input=1, output=0, feature=0 > ucc1 at uhidev3 reportid 3: 897 usages, 20 keys, array > wskbd3 at ucc1 mux 1 > ugen0 at uhub1 port 8 "MediaTek Inc. Wireless_Device" rev 2.10/1.00 addr 4 > vscsi0 at root > scsibus3 at vscsi0: 256 targets > softraid0 at root > scsibus4 at softraid0: 256 targets > root on sd0a (ba0a2c4309ee65cb.a) swap on sd0b dump on sd0b > inteldrm0: 3440x1440, 32bpp > wsdisplay0 at inteldrm0 mux 1: console (std, vt100 emulation), using wskbd0 > wskbd1: connecting to wsdisplay0 > wskbd2: connecting to wsdisplay0 > wskbd3: connecting to wsdisplay0 > wsdisplay0: screen 1-5 added (std, vt100 emulation) > arpresolve: 10.0.0.211: route contains no arp information > > > -- > https://buzzdeee.reitenba.ch
