さっそく背面を開けてみるもメモリの増設スロットは無し;-(

元のSSD(512GB)と取り換えてFreeBSDブートUSBで起動
結果は NVMe を認識せず.正確に言うと NVMe デバイスは認識す るがディスクイメージ(/dev/nvd*)としては認識せず.
---<<BOOT>>---
Copyright (c) 1992-2022 The FreeBSD Project.
Copyright (c) 1979, 1980, 1983, 1986, 1988, 1989, 1991, 1992, 1993, 1994
The Regents of the University of California. All rights reserved.
FreeBSD is a registered trademark of The FreeBSD Foundation.
FreeBSD 14.0-CURRENT #0 n253275-f01c863337f7: Mon Feb 21 14:28:11 JST 2022
root@tbedfc:/usr/obj/usr/src/amd64.amd64/sys/GENERIC amd64
FreeBSD clang version 13.0.0 (git@github.com:llvm/llvm-project.git llvmorg-13.0.0-0-gd7b669b3a303)
WARNING: WITNESS option enabled, expect reduced performance.
VT(efifb): resolution 800x600
CPU: Intel(R) Core(TM) i5-8259U CPU @ 2.30GHz (2300.00-MHz K8-class CPU)
Origin="GenuineIntel" Id=0x806ea Family=0x6 Model=0x8e Stepping=10
Features=0xbfebfbff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,CLFLUSH,DTS,ACPI,MMX,FXSR,SSE,SSE2,SS,HTT,TM,PBE>
Features2=0x7ffafbbf<SSE3,PCLMULQDQ,DTES64,MON,DS_CPL,VMX,EST,TM2,SSSE3,SDBG,FMA,CX16,xTPR,PDCM,PCID,SSE4.1,SSE4.2,x2APIC,MOVBE,POPCNT,TSCDLT,AESNI,XSAVE,OSXSAVE,AVX,F16C,RDRAND>
AMD Features=0x2c100800<SYSCALL,NX,Page1GB,RDTSCP,LM>
AMD Features2=0x121<LAHF,ABM,Prefetch>
Structured Extended Features=0x29c67af<FSGSBASE,TSCADJ,SGX,BMI1,AVX2,SMEP,BMI2,ERMS,INVPCID,NFPUSG,MPX,RDSEED,ADX,SMAP,CLFLUSHOPT,PROCTRACE>
Structured Extended Features3=0x9c002400<MD_CLEAR,TSXFA,IBPB,STIBP,L1DFL,SSBD>
XSAVE Features=0xf<XSAVEOPT,XSAVEC,XINUSE,XSAVES>
VT-x: PAT,HLT,MTF,PAUSE,EPT,UG,VPID
TSC: P-state invariant, performance statistics
real memory = 17179869184 (16384 MB)
avail memory = 16459202560 (15696 MB)
Event timer "LAPIC" quality 600
ACPI APIC Table: <ALASKA A M I >
FreeBSD/SMP: Multiprocessor System Detected: 8 CPUs
FreeBSD/SMP: 1 package(s) x 4 core(s) x 2 hardware threads
random: registering fast source Intel Secure Key RNG
random: fast provider: "Intel Secure Key RNG"
random: unblocking device.
ioapic0 <Version 2.0> irqs 0-119
Launching APs: 1 3 4 6 7 2 5
random: entropy device external interface
kbd1 at kbdmux0
efirtc0: <EFI Realtime Clock>
efirtc0: registered as a time-of-day clock, resolution 1.000000s
smbios0: <System Management BIOS> at iomem 0x8c9b5000-0x8c9b501e
smbios0: Version: 3.2, BCD Revision: 3.2
aesni0: <AES-CBC,AES-CCM,AES-GCM,AES-ICM,AES-XTS>
acpi0: <ALASKA A M I >
acpi0: Power Button (fixed)
ACPI Error: No handler for Region [ECF2] (0xfffff80002206d80) [EmbeddedControl] (20210930/evregion-292)
ACPI Error: Region EmbeddedControl (ID=3) has no handler (20210930/exfldio-428)
ACPI Error: Aborting method \134_SB.PCI0.LPCB.H_EC.LID0._STA due to previous error (AE_NOT_EXIST) (20210930/psparse-689)
cpu0: <ACPI CPU> on acpi0
hpet0: <High Precision Event Timer> iomem 0xfed00000-0xfed003ff on acpi0
Timecounter "HPET" frequency 24000000 Hz quality 950
Event timer "HPET" frequency 24000000 Hz quality 550
atrtc0: <AT realtime clock> port 0x70-0x77 irq 8 on acpi0
atrtc0: Warning: Couldn't map I/O.
atrtc0: registered as a time-of-day clock, resolution 1.000000s
Event timer "RTC" frequency 32768 Hz quality 0
attimer0: <AT timer> port 0x40-0x43,0x50-0x53 irq 0 on acpi0
Timecounter "i8254" frequency 1193182 Hz quality 0
Event timer "i8254" frequency 1193182 Hz quality 100
Timecounter "ACPI-fast" frequency 3579545 Hz quality 900
acpi_timer0: <24-bit timer at 3.579545MHz> port 0x1808-0x180b on acpi0
acpi_ec0: <Embedded Controller: GPE 0x50> port 0x62,0x66 on acpi0
pcib0: <ACPI Host-PCI bridge> port 0xcf8-0xcff on acpi0
pci0: <ACPI PCI bus> on pcib0
vgapci0: <VGA-compatible display> port 0x3000-0x303f mem 0xa0000000-0xa0ffffff,0x90000000-0x9fffffff at device 2.0 on pci0
vgapci0: Boot video device
xhci0: <XHCI (generic) USB 3.0 controller> mem 0xa1300000-0xa130ffff at device 20.0 on pci0
xhci0: 32 bytes context size, 64-bit DMA
usbus0 on xhci0
usbus0: 5.0Gbps Super Speed USB v3.0
pci0: <memory, RAM> at device 20.2 (no driver attached)
sdhci_pci0: <Generic SD HCI> mem 0xa132c000-0xa132cfff at device 20.5 on pci0
sdhci_pci0: 1 slot(s) allocated
pci0: <serial bus> at device 21.0 (no driver attached)
pci0: <serial bus> at device 21.1 (no driver attached)
pci0: <serial bus> at device 21.2 (no driver attached)
pci0: <simple comms> at device 22.0 (no driver attached)
ahci0: <AHCI SATA controller> port 0x3090-0x3097,0x3080-0x3083,0x3060-0x307f mem 0xa131c000-0xa131dfff,0xa1327000-0xa13270ff,0xa1326000-0xa13267ff at device 23.0 on pci0
ahci0: AHCI v1.31 with 2 6Gbps ports, Port Multiplier not supported
ahcich0: <AHCI channel> at channel 0 on ahci0
ahcich1: <AHCI channel> at channel 1 on ahci0
pci0: <serial bus> at device 25.0 (no driver attached)
sdhci_pci1: <Generic SD HCI> mem 0xa1324000-0xa1324fff at device 26.0 on pci0
sdhci_pci1: 1 slot(s) allocated
mmc0: <MMC/SD bus> on sdhci_pci1
pcib1: <ACPI PCI-PCI bridge> at device 28.0 on pci0
pci1: <ACPI PCI bus> on pcib1
pci1: <network> at device 0.0 (no driver attached)
pcib2: <ACPI PCI-PCI bridge> at device 29.0 on pci0
pci2: <ACPI PCI bus> on pcib2
nvme0: <Generic NVMe Device> mem 0xa1100000-0xa1103fff at device 0.0 on pci2
pci0: <simple comms> at device 30.0 (no driver attached)
pci0: <serial bus> at device 30.3 (no driver attached)
isab0: <PCI-ISA bridge> at device 31.0 on pci0
isa0: <ISA bus> on isab0
hdac0: <Intel Cannon Lake HDA Controller> mem 0xa1318000-0xa131bfff,0xa1000000-0xa10fffff at device 31.3 on pci0
pci0: <serial bus> at device 31.5 (no driver attached)
acpi_button0: <Sleep Button> on acpi0
acpi_button1: <Power Button> on acpi0
acpi_tz0: <Thermal Zone> on acpi0
atkbdc0: <Keyboard controller (i8042)> port 0x60,0x64 irq 1 on acpi0
atkbd0: <AT Keyboard> irq 1 on atkbdc0
kbd0 at atkbd0
atkbd0: [GIANT-LOCKED]
acpi_syscontainer0: <System Container> on acpi0
acpi_acad0: <AC Adapter> on acpi0
battery0: <ACPI Control Method Battery> on acpi0
acpi_lid0: <Control Method Lid Switch> on acpi0
hwpstate_intel0: <Intel Speed Shift> on cpu0
hwpstate_intel1: <Intel Speed Shift> on cpu1
hwpstate_intel2: <Intel Speed Shift> on cpu2
hwpstate_intel3: <Intel Speed Shift> on cpu3
hwpstate_intel4: <Intel Speed Shift> on cpu4
hwpstate_intel5: <Intel Speed Shift> on cpu5
hwpstate_intel6: <Intel Speed Shift> on cpu6
hwpstate_intel7: <Intel Speed Shift> on cpu7
Timecounter "TSC-low" frequency 1152000841 Hz quality 1000
Timecounters tick every 1.000 msec
mmc0: No compatible cards found on bus
ugen0.1: <Intel XHCI root HUB> at usbus0
uhub0 on usbus0
uhub0: <Intel XHCI root HUB, class 9/0, rev 3.00/1.00, addr 1> on usbus0
nvd0: <KINGSTON RBUSNS8154P3512GJ> NVMe namespace
nvd0: 488386MB (1000215216 512 byte sectors)
hdacc0: <Realtek ALC897 HDA CODEC> at cad 0 on hdac0
hdaa0: <Realtek ALC897 Audio Function Group> at nid 1 on hdacc0
pcm0: <Realtek ALC897 (Internal Analog)> at nid 20 and 18 on hdaa0
pcm1: <Realtek ALC897 (Front Analog Headphones)> at nid 27 on hdaa0
hdacc1: <Intel Kaby Lake HDA CODEC> at cad 2 on hdac0
hdaa1: <Intel Kaby Lake Audio Function Group> at nid 1 on hdacc1
pcm2: <Intel Kaby Lake (HDMI/DP 8ch)> at nid 3 on hdaa1
Trying to mount root from ufs:/dev/ufs/FreeBSD_Install [ro,noatime]...
WARNING: WITNESS option enabled, expect reduced performance.
uhub0: 18 ports with 18 removable, self powered
Root mount waiting for: usbus0
ugen0.2: <Sonix Technology Co., Ltd. USB 2.0 Camera> at usbus0
ugen0.3: <vendor 0x05e3 USB2.0 Hub> at usbus0
uhub1 on uhub0
uhub1: <vendor 0x05e3 USB2.0 Hub, class 9/0, rev 2.00/32.98, addr 2> on usbus0
Root mount waiting for: usbus0
uhub1: 4 ports with 4 removable, self powered
Root mount waiting for: usbus0
ugen0.4: <ELECOM MF-HMU2> at usbus0
umass0 on uhub1
umass0: <ELECOM MF-HMU2, class 0/0, rev 2.00/1.00, addr 3> on usbus0
umass0: SCSI over Bulk-Only; quirks = 0x8100
umass0:2:0: Attached to scbus2
da0 at umass-sim0 bus 0 scbus2 target 0 lun 0
da0: <ELECOM MF-HMU2 PMAP> Removable Direct Access SCSI device
da0: Serial Number 07BA1B081B630914
da0: 40.000MB/s transfers
da0: 1912MB (3915776 512 byte sectors)
da0: quirks=0x2<NO_6_BYTE>
Root mount waiting for: usbus0
ugen0.5: <Logitech USB Receiver> at usbus0
ugen0.6: <Realtek USB 10/100/1000 LAN> at usbus0
Root mount waiting for: usbus0
ugen0.7: <vendor 0x8087 product 0x0a2a> at usbus0
pchtherm0: <CannonLake-LP Thermal Subsystem> mem 0xa132e000-0xa132efff at device 18.0 on pci0
ig4iic0: <Intel Cannon Lake-LP I2C Controller-2> at device 21.0 on pci0
ig4iic0: Using MSI
iicbus0: <Philips I2C bus (ACPI-hinted)> on ig4iic0
iicbus0: <unknown card> at addr 0x2c
ig4iic1: <Intel Cannon Lake-LP I2C Controller-3> at device 21.1 on pci0
ig4iic1: Using MSI
iicbus1: <Philips I2C bus (ACPI-hinted)> on ig4iic1
ig4iic2: <Intel Cannon Lake-LP I2C Controller-4> at device 21.2 on pci0
ig4iic2: Using MSI
iicbus2: <Philips I2C bus (ACPI-hinted)> on ig4iic2
ig4iic3: <Intel Cannon Lake-LP I2C Controller-0> at device 25.0 on pci0
ig4iic3: Using MSI
iicbus3: <Philips I2C bus (ACPI-hinted)> on ig4iic3
iwm0: <Intel(R) Dual Band Wireless AC 7265> mem 0xa1200000-0xa1201fff at device 0.0 on pci1
iwm0: hw rev 0x210, fw ver 22.361476.0, address 8c:c6:81:0a:6f:81
acpi_wmi0: <ACPI-WMI mapping> on acpi0
acpi_wmi0: Embedded MOF found
ACPI: \134_SB.WFDE.WQCC: 1 arguments were passed to a non-method ACPI object (Buffer) (20210930/nsarguments-361)
acpi_wmi1: <ACPI-WMI mapping> on acpi0
acpi_wmi1: Embedded MOF found
ACPI: \134_SB.WFTE.WQCC: 1 arguments were passed to a non-method ACPI object (Buffer) (20210930/nsarguments-361)
lo0: link state changed to UP
ums0 on uhub1
ums0: <Logitech USB Receiver, class 0/0, rev 2.00/30.00, addr 4> on usbus0
ums0: 16 buttons and [XYZT] coordinates ID=0
uhid0 on uhub1
uhid0: <Logitech USB Receiver, class 0/0, rev 2.00/30.00, addr 4> on usbus0
ure0 on uhub1
ure0: <Realtek USB 10/100/1000 LAN, class 0/0, rev 2.10/30.00, addr 5> on usbus0
miibus0: <MII bus> on ure0
rgephy0: <RTL8251/8153 1000BASE-T media interface> PHY 0 on miibus0
rgephy0: none, 10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, 1000baseT-FDX, 1000baseT-FDX-master, auto
ue0: <USB Ethernet> on ure0
ue0: Ethernet address: a0:ce:c8:de:9c:95
ubt0 on uhub0
ubt0: <vendor 0x8087 product 0x0a2a, class 224/1, rev 2.00/0.03, addr 6> on usbus0
iichid0: <SYNA3602:00 093A:0255 I2C HID device> at addr 0x2c on iicbus0
iichid0: Interrupt setup failed. Fallback to sampling
hidbus0: <HID bus> on iichid0
ue0: link state changed to DOWN
hms0: <SYNA3602:00 093A:0255 Mouse> on hidbus0
hms0: 2 buttons and [XY] coordinates ID=2
hmt0: <SYNA3602:00 093A:0255 TouchPad> on hidbus0
hconf0: <SYNA3602:00 093A:0255 Configuration> on hidbus0
hmt0: Multitouch touchpad with 2 external buttons, click-pad
hmt0: 5 contacts with [C] properties. Report range [0:0] - [1707:1060]
ということで再度裏蓋を開けようとするとネジが…
