What happens when you boot? Have you changed anything in the BIOS? What cheat codes are you using?
Soltek SL-75FRV mainbord not recognized
Here's the lspci output.
hobbit:~# lspci -v
00:00.0 Host bridge: VIA Technologies, Inc.: Unknown device 3189
Subsystem: VIA Technologies, Inc.: Unknown device 0000
Flags: bus master, 66Mhz, medium devsel, latency 8
Memory at e0000000 (32-bit, prefetchable) [size=64M]
Capabilities: [a0] AGP version 2.0
Capabilities: [c0] Power Management version 2
00:01.0 PCI bridge: VIA Technologies, Inc.: Unknown device b168 (prog-if 00 [Normal decode])
Flags: bus master, 66Mhz, medium devsel, latency 0
Bus: primary=00, secondary=01, subordinate=01, sec-latency=0
Memory behind bridge: dde00000-dfefffff
Prefetchable memory behind bridge: cdd00000-ddcfffff
Capabilities: [80] Power Management version 2
00:10.0 USB Controller: VIA Technologies, Inc. UHCI USB (rev 80) (prog-if 00 [UHCI])
Subsystem: VIA Technologies, Inc. UHCI USB
Flags: bus master, medium devsel, latency 32, IRQ 11
I/O ports at e800 [size=32]
Capabilities: [80] Power Management version 2
00:10.1 USB Controller: VIA Technologies, Inc. UHCI USB (rev 80) (prog-if 00 [UHCI])
Subsystem: VIA Technologies, Inc. UHCI USB
Flags: bus master, medium devsel, latency 32, IRQ 5
I/O ports at ec00 [size=32]
Capabilities: [80] Power Management version 2
00:10.3 USB Controller: VIA Technologies, Inc.: Unknown device 3104 (rev 82) (prog-if 20)
Subsystem: VIA Technologies, Inc.: Unknown device 3104
Flags: bus master, medium devsel, latency 32, IRQ 10
Memory at dfffff00 (32-bit, non-prefetchable) [size=256]
Capabilities: [80] Power Management version 2
00:11.0 ISA bridge: VIA Technologies, Inc.: Unknown device 3177
Subsystem: VIA Technologies, Inc.: Unknown device 0000
Flags: bus master, stepping, medium devsel, latency 0
Capabilities: [c0] Power Management version 2
00:11.1 IDE interface: VIA Technologies, Inc. Bus Master IDE (rev 06) (prog-if 8a [Master SecP PriP])
Subsystem: VIA Technologies, Inc. Bus Master IDE
Flags: bus master, medium devsel, latency 32, IRQ 14
I/O ports at fc00 [size=16]
Capabilities: [c0] Power Management version 2
00:11.5 Multimedia audio controller: VIA Technologies, Inc. AC97 Audio Controller (rev 50)
Subsystem: Avance Logic Inc.: Unknown device 4720
Flags: medium devsel, IRQ 5
I/O ports at e400 [size=256]
Capabilities: [c0] Power Management version 2
01:00.0 VGA compatible controller: nVidia Corporation NV11 (GeForce2 MX) (rev b2) (prog-if 00 [VGA]) Flags: bus master, 66Mhz, medium devsel, latency 248, IRQ 11
Memory at de000000 (32-bit, non-prefetchable) [size=16M]
Memory at d0000000 (32-bit, prefetchable) [size=128M]
Expansion ROM at dfef0000 [disabled] [size=64K]
Capabilities: [60] Power Management version 2
Capabilities: [44] AGP version 2.0
What happens when you boot? Have you changed anything in the BIOS? What cheat codes are you using?
Yeah the "not recognized" part that you mentioned doesn't really tell us what you mean. Preferably you could tell us what it does during boot. Such as "Hangs during hardware probe" or kernel panics or something like that.

GIGABYTE A520M DS3H AC AMD AM4 Motherboard mATX
$59.99
Intel H310 LGA1151 8-9th Gen DDR4 M.2 NVMe mATX Motherboard IO Shield Battery
$54.99
MSI Z270 GAMING PRO CARBON ATX LGA1151 DDR4 M.2 PCIe USB 3.1 Gaming
$60.00
ASUS B85M-G/B85M-G PLUS LGA1150 DDR3 Micro ATX Motherboard HDMI for Inter 4thCPU
$45.00
Intel H81 Motherboard M.2 NVMe LGA 1150 mATX w/ IO Shield (Random Slot Color)
$29.90
GIGABYTE B365 HD3 LGA1151 Intel 9th Gen motherboard
$59.99
ASRock B550M PRO4 AM4 AMD B550 SATA 6Gb/s Micro ATX AMD Motherboard
$76.49
MSI B550M PRO-VDH Micro-ATX Motherboard - AMD AM4, Ryzen 5000/4000/3000 Ready, P
$101.99
ASUS PRIME Z490-V Motherboard Intel Z490 10th gen DDR4 LGA 1200 ATX w/ IO Shield
$84.99
MSI PRO Z790-P WIFI DDR4 LGA 1700 Intel Z790 SATA 6Gb/s DDR4 ATX Motherboard
$163.49