On Sat, Nov 09, 2024 at 11:21:54PM +0100, Jan Stary wrote: > This is current/amd64 on a Thinkpad X230i. > > It seems that the C3 cpu state is only supported > when the machine boots on battery (full dmesgs below): > > --- /tmp/dmesg.bat Sat Nov 9 11:55:55 2024 > +++ /tmp/dmesg.ac Sat Nov 9 11:55:55 2024 > > -acpiac0 at acpi0: AC unit offline > +acpiac0 at acpi0: AC unit online > > -acpicpu0 at acpi0: C3(200@87 mwait.1@0x30), C2(500@59 mwait.1@0x10), > C1(1000@1 mwait.1), PSS > -acpicpu1 at acpi0: C3(200@87 mwait.1@0x30), C2(500@59 mwait.1@0x10), > C1(1000@1 mwait.1), PSS > -acpicpu2 at acpi0: C3(200@87 mwait.1@0x30), C2(500@59 mwait.1@0x10), > C1(1000@1 mwait.1), PSS > -acpicpu3 at acpi0: C3(200@87 mwait.1@0x30), C2(500@59 mwait.1@0x10), > C1(1000@1 mwait.1), PSS > > +acpicpu0 at acpi0: C2(350@80 mwait.1@0x20), C1(1000@1 mwait.1), PSS > +acpicpu1 at acpi0: C2(350@80 mwait.1@0x20), C1(1000@1 mwait.1), PSS > +acpicpu2 at acpi0: C2(350@80 mwait.1@0x20), C1(1000@1 mwait.1), PSS > +acpicpu3 at acpi0: C2(350@80 mwait.1@0x20), C1(1000@1 mwait.1), PSS > > Is this intended? >
proably we are missing the callback to recalculate the Cstates on plug/unplug... > apmd is running with apmd_flags="-A -z 5 -t 60". > Plugging and unplugging AC is logged as such, > but no messages about (a change in supported) C states > appear, such as in the booting dmesg . > > Jan > > > dmesg when booting on battery: > > OpenBSD 7.6-current (GENERIC.MP) #417: Wed Nov 6 15:53:38 MST 2024 > dera...@amd64.openbsd.org:/usr/src/sys/arch/amd64/compile/GENERIC.MP > real mem = 8234086400 (7852MB) > avail mem = 7961251840 (7592MB) > random: good seed from bootblocks > mpath0 at root > scsibus0 at mpath0: 256 targets > mainbus0 at root > bios0 at mainbus0: SMBIOS rev. 2.7 @ 0xdae9c000 (69 entries) > bios0: vendor LENOVO version "G2ETB7WW (2.77 )" date 09/24/2019 > bios0: LENOVO 2325T7Z > acpi0 at bios0: ACPI 5.0 > acpi0: sleep states S0 S3 S4 S5 > acpi0: tables DSDT FACP SLIC TCPA SSDT SSDT SSDT HPET APIC MCFG ECDT FPDT > ASF! UEFI UEFI POAT SSDT SSDT UEFI DBG2 > acpi0: wakeup devices LID_(S4) SLPB(S3) IGBE(S4) EXP3(S4) XHCI(S3) EHC1(S3) > EHC2(S3) HDEF(S4) > acpitimer0 at acpi0: 3579545 Hz, 24 bits > acpihpet0 at acpi0: 14318179 Hz > acpimadt0 at acpi0 addr 0xfee00000: PC-AT compat > cpu0 at mainbus0: apid 0 (boot processor) > cpu0: Intel(R) Core(TM) i3-3110M CPU @ 2.40GHz, 1197.34 MHz, 06-3a-09, 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=35bae3bf<SSE3,PCLMUL,DTES64,MWAIT,DS-CPL,VMX,EST,TM2,SSSE3,CX16,xTPR,PDCM,PCID,SSE4.1,SSE4.2,x2APIC,POPCNT,DEADLINE,XSAVE,AVX,F16C> > cpu0: cpuid 6 eax=75<SENSOR,ARAT> ecx=9<EFFFREQ> > cpu0: cpuid 7.0 ebx=281<FSGSBASE,SMEP,ERMS> > edx=9c000400<MD_CLEAR,IBRS,IBPB,STIBP,L1DF,SSBD> > cpu0: cpuid a vers=3, gp=4, gpwidth=48, ff=3, ffwidth=48 > cpu0: cpuid d.1 eax=1<XSAVEOPT> > cpu0: cpuid 80000001 edx=28100800<NXE,RDTSCP,LONG> ecx=1<LAHF> > cpu0: cpuid 80000007 edx=100<ITSC> > cpu0: MELTDOWN > cpu0: 32KB 64b/line 8-way D-cache, 32KB 64b/line 8-way I-cache, 256KB > 64b/line 8-way L2 cache, 3MB 64b/line 12-way L3 cache > cpu0: smt 0, core 0, package 0 > mtrr: Pentium Pro MTRR support, 10 var ranges, 88 fixed ranges > cpu0: apic clock running at 99MHz > cpu0: mwait min=64, max=64, C-substates=0.2.1.1.2, IBE > cpu1 at mainbus0: apid 1 (application processor) > cpu1: Intel(R) Core(TM) i3-3110M CPU @ 2.40GHz, 1197.30 MHz, 06-3a-09, patch > 00000021 > cpu1: smt 1, core 0, package 0 > cpu2 at mainbus0: apid 2 (application processor) > cpu2: Intel(R) Core(TM) i3-3110M CPU @ 2.40GHz, 1197.31 MHz, 06-3a-09, patch > 00000021 > cpu2: smt 0, core 1, package 0 > cpu3 at mainbus0: apid 3 (application processor) > cpu3: Intel(R) Core(TM) i3-3110M CPU @ 2.40GHz, 1197.30 MHz, 06-3a-09, patch > 00000021 > cpu3: smt 1, core 1, package 0 > ioapic0 at mainbus0: apid 2 pa 0xfec00000, version 20, 24 pins > acpimcfg0 at acpi0 > acpimcfg0: addr 0xf8000000, bus 0-63 > acpiec0 at acpi0 > acpiprt0 at acpi0: bus 0 (PCI0) > acpiprt1 at acpi0: bus -1 (PEG_) > acpiprt2 at acpi0: bus 2 (EXP1) > acpiprt3 at acpi0: bus 3 (EXP2) > acpiprt4 at acpi0: bus 4 (EXP3) > acpibtn0 at acpi0: LID_(wakeup) > acpibtn1 at acpi0: SLPB(wakeup) > acpipci0 at acpi0 PCI0: 0x00000000 0x00000011 0x00000001 > acpicmos0 at acpi0 > acpibat0 at acpi0: BAT0 model "45N1025" serial 1094 type LION oem "LGC" > acpiac0 at acpi0: AC unit offline > "LEN0078" at acpi0 not configured > acpithinkpad0 at acpi0: version 1.0 > "PNP0C14" at acpi0 not configured > "PNP0C14" at acpi0 not configured > "PNP0C14" at acpi0 not configured > acpicpu0 at acpi0: C3(200@87 mwait.1@0x30), C2(500@59 mwait.1@0x10), > C1(1000@1 mwait.1), PSS > acpicpu1 at acpi0: C3(200@87 mwait.1@0x30), C2(500@59 mwait.1@0x10), > C1(1000@1 mwait.1), PSS > acpicpu2 at acpi0: C3(200@87 mwait.1@0x30), C2(500@59 mwait.1@0x10), > C1(1000@1 mwait.1), PSS > acpicpu3 at acpi0: C3(200@87 mwait.1@0x30), C2(500@59 mwait.1@0x10), > C1(1000@1 mwait.1), PSS > acpipwrres0 at acpi0: PUBS, resource for XHCI, EHC1, EHC2 > acpitz0 at acpi0: critical temperature is 103 degC > acpidock0 at acpi0: GDCK not docked (0) > acpivideo0 at acpi0: VID_ > acpivout0 at acpivideo0: LCD0 > acpivideo1 at acpi0: VID_ > cpu0: using VERW MDS workaround (except on vmm entry) > cpu0: Enhanced SpeedStep 1197 MHz: speeds: 2400, 2300, 2200, 2100, 2000, > 1900, 1800, 1700, 1600, 1500, 1400, 1300, 1200 MHz > pci0 at mainbus0 bus 0 > pchb0 at pci0 dev 0 function 0 "Intel Core 3G Host" rev 0x09 > inteldrm0 at pci0 dev 2 function 0 "Intel HD Graphics 4000" rev 0x09 > drm0 at inteldrm0 > inteldrm0: msi, IVYBRIDGE, gen 7 > xhci0 at pci0 dev 20 function 0 "Intel 7 Series xHCI" rev 0x04: msi, xHCI 1.0 > 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 > "Intel 7 Series MEI" rev 0x04 at pci0 dev 22 function 0 not configured > em0 at pci0 dev 25 function 0 "Intel 82579LM" rev 0x04: msi, address > 3c:97:0e:63:a5:25 > ehci0 at pci0 dev 26 function 0 "Intel 7 Series USB" rev 0x04: apic 2 int 16 > usb1 at ehci0: USB revision 2.0 > uhub1 at usb1 configuration 1 interface 0 "Intel EHCI root hub" rev 2.00/1.00 > addr 1 > azalia0 at pci0 dev 27 function 0 "Intel 7 Series HD Audio" rev 0x04: msi > azalia0: codecs: Realtek ALC269, Intel/0x2806, using Realtek ALC269 > audio0 at azalia0 > ppb0 at pci0 dev 28 function 0 "Intel 7 Series PCIE" rev 0xc4: msi > pci1 at ppb0 bus 2 > sdhc0 at pci1 dev 0 function 0 "Ricoh 5U823 SD/MMC" rev 0x04: apic 2 int 16 > sdhc0: SDHC 3.00, 50 MHz base clock > sdmmc0 at sdhc0: 4-bit, sd high-speed, mmc high-speed, dma > ppb1 at pci0 dev 28 function 1 "Intel 7 Series PCIE" rev 0xc4: msi > pci2 at ppb1 bus 3 > iwn0 at pci2 dev 0 function 0 "Intel Centrino Advanced-N 6205" rev 0x34: msi, > MIMO 2T2R, MoW, address e0:9d:31:9b:37:64 > ppb2 at pci0 dev 28 function 2 "Intel 7 Series PCIE" rev 0xc4: msi > pci3 at ppb2 bus 4 > ehci1 at pci0 dev 29 function 0 "Intel 7 Series USB" rev 0x04: apic 2 int 23 > usb2 at ehci1: USB revision 2.0 > uhub2 at usb2 configuration 1 interface 0 "Intel EHCI root hub" rev 2.00/1.00 > addr 1 > pcib0 at pci0 dev 31 function 0 "Intel QM77 LPC" rev 0x04 > ahci0 at pci0 dev 31 function 2 "Intel 7 Series AHCI" rev 0x04: msi, AHCI 1.3 > ahci0: port 0: 6.0Gb/s > scsibus1 at ahci0: 32 targets > sd0 at scsibus1 targ 0 lun 0: <ATA, KingDian S180 60, F.00> > naa.5000000000000000 > sd0: 57241MB, 512 bytes/sector, 117231408 sectors, thin > ichiic0 at pci0 dev 31 function 3 "Intel 7 Series SMBus" rev 0x04: apic 2 int > 18 > iic0 at ichiic0 > spdmem0 at iic0 addr 0x50: 4GB DDR3 SDRAM PC3-12800 SO-DIMM > spdmem1 at iic0 addr 0x51: 4GB DDR3 SDRAM PC3-12800 SO-DIMM > isa0 at pcib0 > isadma0 at isa0 > pckbc0 at isa0 port 0x60/5 irq 1 irq 12 > pckbd0 at pckbc0 (kbd slot) > wskbd0 at pckbd0: console keyboard > pms0 at pckbc0 (aux slot) > wsmouse0 at pms0 mux 0 > wsmouse1 at pms0 mux 0 > pms0: Synaptics clickpad, firmware 8.1, 0x1e2b1 0x940300 0x194b40 0xd002a3 > 0x123800 > pcppi0 at isa0 port 0x61 > spkr0 at pcppi0 > vmm0 at mainbus0: VMX/EPT > uhub3 at uhub1 port 1 configuration 1 interface 0 "Intel Rate Matching Hub" > rev 2.00/0.00 addr 2 > ugen0 at uhub3 port 3 "Auth Biometric Coprocessor" rev 1.10/0.01 addr 3 > ugen1 at uhub3 port 4 "Broadcom Corp BCM20702A0" rev 2.00/1.12 addr 4 > uhub4 at uhub2 port 1 configuration 1 interface 0 "Intel Rate Matching Hub" > rev 2.00/0.00 addr 2 > vscsi0 at root > scsibus2 at vscsi0: 256 targets > softraid0 at root > scsibus3 at softraid0: 256 targets > root on sd0a (1bb9b839fb175dff.a) swap on sd0b dump on sd0b > inteldrm0: 1366x768, 32bpp > wsdisplay0 at inteldrm0 mux 1: console (std, vt100 emulation), using wskbd0 > wsdisplay0: screen 1-5 added (std, vt100 emulation) > > > dmesg when booting on AC: > > OpenBSD 7.6-current (GENERIC.MP) #417: Wed Nov 6 15:53:38 MST 2024 > dera...@amd64.openbsd.org:/usr/src/sys/arch/amd64/compile/GENERIC.MP > real mem = 8234086400 (7852MB) > avail mem = 7961251840 (7592MB) > random: good seed from bootblocks > mpath0 at root > scsibus0 at mpath0: 256 targets > mainbus0 at root > bios0 at mainbus0: SMBIOS rev. 2.7 @ 0xdae9c000 (69 entries) > bios0: vendor LENOVO version "G2ETB7WW (2.77 )" date 09/24/2019 > bios0: LENOVO 2325T7Z > acpi0 at bios0: ACPI 5.0 > acpi0: sleep states S0 S3 S4 S5 > acpi0: tables DSDT FACP SLIC TCPA SSDT SSDT SSDT HPET APIC MCFG ECDT FPDT > ASF! UEFI UEFI POAT SSDT SSDT UEFI DBG2 > acpi0: wakeup devices LID_(S4) SLPB(S3) IGBE(S4) EXP3(S4) XHCI(S3) EHC1(S3) > EHC2(S3) HDEF(S4) > acpitimer0 at acpi0: 3579545 Hz, 24 bits > acpihpet0 at acpi0: 14318179 Hz > acpimadt0 at acpi0 addr 0xfee00000: PC-AT compat > cpu0 at mainbus0: apid 0 (boot processor) > cpu0: Intel(R) Core(TM) i3-3110M CPU @ 2.40GHz, 2394.68 MHz, 06-3a-09, 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=35bae3bf<SSE3,PCLMUL,DTES64,MWAIT,DS-CPL,VMX,EST,TM2,SSSE3,CX16,xTPR,PDCM,PCID,SSE4.1,SSE4.2,x2APIC,POPCNT,DEADLINE,XSAVE,AVX,F16C> > cpu0: cpuid 6 eax=75<SENSOR,ARAT> ecx=9<EFFFREQ> > cpu0: cpuid 7.0 ebx=281<FSGSBASE,SMEP,ERMS> > edx=9c000400<MD_CLEAR,IBRS,IBPB,STIBP,L1DF,SSBD> > cpu0: cpuid a vers=3, gp=4, gpwidth=48, ff=3, ffwidth=48 > cpu0: cpuid d.1 eax=1<XSAVEOPT> > cpu0: cpuid 80000001 edx=28100800<NXE,RDTSCP,LONG> ecx=1<LAHF> > cpu0: cpuid 80000007 edx=100<ITSC> > cpu0: MELTDOWN > cpu0: 32KB 64b/line 8-way D-cache, 32KB 64b/line 8-way I-cache, 256KB > 64b/line 8-way L2 cache, 3MB 64b/line 12-way L3 cache > cpu0: smt 0, core 0, package 0 > mtrr: Pentium Pro MTRR support, 10 var ranges, 88 fixed ranges > cpu0: apic clock running at 99MHz > cpu0: mwait min=64, max=64, C-substates=0.2.1.1.2, IBE > cpu1 at mainbus0: apid 1 (application processor) > cpu1: Intel(R) Core(TM) i3-3110M CPU @ 2.40GHz, 2394.60 MHz, 06-3a-09, patch > 00000021 > cpu1: smt 1, core 0, package 0 > cpu2 at mainbus0: apid 2 (application processor) > cpu2: Intel(R) Core(TM) i3-3110M CPU @ 2.40GHz, 2394.59 MHz, 06-3a-09, patch > 00000021 > cpu2: smt 0, core 1, package 0 > cpu3 at mainbus0: apid 3 (application processor) > cpu3: Intel(R) Core(TM) i3-3110M CPU @ 2.40GHz, 2394.66 MHz, 06-3a-09, patch > 00000021 > cpu3: smt 1, core 1, package 0 > ioapic0 at mainbus0: apid 2 pa 0xfec00000, version 20, 24 pins > acpimcfg0 at acpi0 > acpimcfg0: addr 0xf8000000, bus 0-63 > acpiec0 at acpi0 > acpiprt0 at acpi0: bus 0 (PCI0) > acpiprt1 at acpi0: bus -1 (PEG_) > acpiprt2 at acpi0: bus 2 (EXP1) > acpiprt3 at acpi0: bus 3 (EXP2) > acpiprt4 at acpi0: bus 4 (EXP3) > acpibtn0 at acpi0: LID_(wakeup) > acpibtn1 at acpi0: SLPB(wakeup) > acpipci0 at acpi0 PCI0: 0x00000000 0x00000011 0x00000001 > acpicmos0 at acpi0 > acpibat0 at acpi0: BAT0 model "45N1025" serial 1094 type LION oem "LGC" > acpiac0 at acpi0: AC unit online > "LEN0078" at acpi0 not configured > acpithinkpad0 at acpi0: version 1.0 > "PNP0C14" at acpi0 not configured > "PNP0C14" at acpi0 not configured > "PNP0C14" at acpi0 not configured > acpicpu0 at acpi0: C2(350@80 mwait.1@0x20), C1(1000@1 mwait.1), PSS > acpicpu1 at acpi0: C2(350@80 mwait.1@0x20), C1(1000@1 mwait.1), PSS > acpicpu2 at acpi0: C2(350@80 mwait.1@0x20), C1(1000@1 mwait.1), PSS > acpicpu3 at acpi0: C2(350@80 mwait.1@0x20), C1(1000@1 mwait.1), PSS > acpipwrres0 at acpi0: PUBS, resource for XHCI, EHC1, EHC2 > acpitz0 at acpi0: critical temperature is 103 degC > acpidock0 at acpi0: GDCK not docked (0) > acpivideo0 at acpi0: VID_ > acpivout0 at acpivideo0: LCD0 > acpivideo1 at acpi0: VID_ > cpu0: using VERW MDS workaround (except on vmm entry) > cpu0: Enhanced SpeedStep 2394 MHz: speeds: 2400, 2300, 2200, 2100, 2000, > 1900, 1800, 1700, 1600, 1500, 1400, 1300, 1200 MHz > pci0 at mainbus0 bus 0 > pchb0 at pci0 dev 0 function 0 "Intel Core 3G Host" rev 0x09 > inteldrm0 at pci0 dev 2 function 0 "Intel HD Graphics 4000" rev 0x09 > drm0 at inteldrm0 > inteldrm0: msi, IVYBRIDGE, gen 7 > xhci0 at pci0 dev 20 function 0 "Intel 7 Series xHCI" rev 0x04: msi, xHCI 1.0 > 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 > "Intel 7 Series MEI" rev 0x04 at pci0 dev 22 function 0 not configured > em0 at pci0 dev 25 function 0 "Intel 82579LM" rev 0x04: msi, address > 3c:97:0e:63:a5:25 > ehci0 at pci0 dev 26 function 0 "Intel 7 Series USB" rev 0x04: apic 2 int 16 > usb1 at ehci0: USB revision 2.0 > uhub1 at usb1 configuration 1 interface 0 "Intel EHCI root hub" rev 2.00/1.00 > addr 1 > azalia0 at pci0 dev 27 function 0 "Intel 7 Series HD Audio" rev 0x04: msi > azalia0: codecs: Realtek ALC269, Intel/0x2806, using Realtek ALC269 > audio0 at azalia0 > ppb0 at pci0 dev 28 function 0 "Intel 7 Series PCIE" rev 0xc4: msi > pci1 at ppb0 bus 2 > sdhc0 at pci1 dev 0 function 0 "Ricoh 5U822 SD/MMC" rev 0x07: apic 2 int 16 > sdhc0: SDHC 3.00, 50 MHz base clock > sdmmc0 at sdhc0: 4-bit, sd high-speed, mmc high-speed, dma > ppb1 at pci0 dev 28 function 1 "Intel 7 Series PCIE" rev 0xc4: msi > pci2 at ppb1 bus 3 > iwn0 at pci2 dev 0 function 0 "Intel Centrino Advanced-N 6205" rev 0x34: msi, > MIMO 2T2R, MoW, address e0:9d:31:9b:37:64 > ppb2 at pci0 dev 28 function 2 "Intel 7 Series PCIE" rev 0xc4: msi > pci3 at ppb2 bus 4 > ehci1 at pci0 dev 29 function 0 "Intel 7 Series USB" rev 0x04: apic 2 int 23 > usb2 at ehci1: USB revision 2.0 > uhub2 at usb2 configuration 1 interface 0 "Intel EHCI root hub" rev 2.00/1.00 > addr 1 > pcib0 at pci0 dev 31 function 0 "Intel QM77 LPC" rev 0x04 > ahci0 at pci0 dev 31 function 2 "Intel 7 Series AHCI" rev 0x04: msi, AHCI 1.3 > ahci0: port 0: 6.0Gb/s > scsibus1 at ahci0: 32 targets > sd0 at scsibus1 targ 0 lun 0: <ATA, KingDian S180 60, F.00> > naa.5000000000000000 > sd0: 57241MB, 512 bytes/sector, 117231408 sectors, thin > ichiic0 at pci0 dev 31 function 3 "Intel 7 Series SMBus" rev 0x04: apic 2 int > 18 > iic0 at ichiic0 > spdmem0 at iic0 addr 0x50: 4GB DDR3 SDRAM PC3-12800 SO-DIMM > spdmem1 at iic0 addr 0x51: 4GB DDR3 SDRAM PC3-12800 SO-DIMM > isa0 at pcib0 > isadma0 at isa0 > pckbc0 at isa0 port 0x60/5 irq 1 irq 12 > pckbd0 at pckbc0 (kbd slot) > wskbd0 at pckbd0: console keyboard > pms0 at pckbc0 (aux slot) > wsmouse0 at pms0 mux 0 > wsmouse1 at pms0 mux 0 > pms0: Synaptics clickpad, firmware 8.1, 0x1e2b1 0x940300 0x194b40 0xd002a3 > 0x123800 > pcppi0 at isa0 port 0x61 > spkr0 at pcppi0 > vmm0 at mainbus0: VMX/EPT > uhub3 at uhub1 port 1 configuration 1 interface 0 "Intel Rate Matching Hub" > rev 2.00/0.00 addr 2 > ugen0 at uhub3 port 3 "Auth Biometric Coprocessor" rev 1.10/0.01 addr 3 > ugen1 at uhub3 port 4 "Broadcom Corp BCM20702A0" rev 2.00/1.12 addr 4 > uhub4 at uhub2 port 1 configuration 1 interface 0 "Intel Rate Matching Hub" > rev 2.00/0.00 addr 2 > vscsi0 at root > scsibus2 at vscsi0: 256 targets > softraid0 at root > scsibus3 at softraid0: 256 targets > root on sd0a (1bb9b839fb175dff.a) swap on sd0b dump on sd0b > inteldrm0: 1366x768, 32bpp > wsdisplay0 at inteldrm0 mux 1: console (std, vt100 emulation), using wskbd0 > wsdisplay0: screen 1-5 added (std, vt100 emulation) >
