glxheads

  Display:     0x5652df349920
  Window:      0xc00002
  Context:     0x5652df370c00
  GL_VERSION:  2.1 Mesa 18.3.6
  GL_VENDOR:   nouveau
  GL_RENDERER: NV4C

dmesg

[    6.529553] nouveau 0000:00:0d.0: NVIDIA C61 (04c000a2)
[    6.539290] nouveau 0000:00:0d.0: bios: version 05.61.32.28.01
[    6.540095] nouveau 0000:00:0d.0: fb: 256 MiB of unknown memory type
[    6.589203] [TTM] Zone  kernel: Available graphics memory: 891882 kiB
[    6.589204] [TTM] Initializing pool allocator
[    6.589208] [TTM] Initializing DMA pool allocator
[    6.589222] nouveau 0000:00:0d.0: DRM: VRAM: 253 MiB
[    6.589223] nouveau 0000:00:0d.0: DRM: GART: 512 MiB
[    6.589226] nouveau 0000:00:0d.0: DRM: TMDS table version 1.1
[    6.589227] nouveau 0000:00:0d.0: DRM: DCB version 3.0
[    6.589229] nouveau 0000:00:0d.0: DRM: DCB outp 00: 01000310 00000023
[    6.589231] nouveau 0000:00:0d.0: DRM: DCB outp 01: 00110204 942b0003
[    6.589232] nouveau 0000:00:0d.0: DRM: DCB conn 00: 0000
[    6.589234] nouveau 0000:00:0d.0: DRM: DCB conn 01: 1131
[    6.589235] nouveau 0000:00:0d.0: DRM: DCB conn 02: 0110
[    6.589236] nouveau 0000:00:0d.0: DRM: DCB conn 03: 0111
[    6.589237] nouveau 0000:00:0d.0: DRM: DCB conn 04: 0113
[    6.589453] nouveau 0000:00:0d.0: DRM: Saving VGA fonts
[    6.627497] nouveau 0000:00:0d.0: DRM: DCB type 4 not known
[    6.627498] nouveau 0000:00:0d.0: DRM: Unknown-1 has no encoders, removing
[    6.628574] [drm] Supports vblank timestamp caching Rev 2 (21.10.2013).
[    6.628574] [drm] Driver supports precise vblank timestamp query.
[    6.630757] nouveau 0000:00:0d.0: DRM: MM: using M2MF for buffer copies
[    6.659834] nouveau 0000:00:0d.0: DRM: allocated 1280x1024 fb: 0x9000, bo 0000000082d7d32c
[    6.659952] fbcon: nouveaufb (fb0) is primary device
[    6.778370] Console: switching to colour frame buffer device 160x64
[    6.780074] nouveau 0000:00:0d.0: fb0: nouveaufb frame buffer device
[    6.780773] [drm] Initialized nouveau 1.3.1 20120801 for 0000:00:0d.0 on minor 0

lspci -vmmnn

Slot:	00:0d.0
Class:	VGA compatible controller [0300]
Vendor:	NVIDIA Corporation [10de]
Device:	C61 [GeForce 7025 / nForce 630a] [03d6]
SVendor:	ASRock Incorporation [1849]
SDevice:	Device [03d6]
Rev:	a2

lspci -vvnnk

00:0d.0 VGA compatible controller [0300]: NVIDIA Corporation C61 [GeForce 7025 / nForce 630a] [10de:03d6] (rev a2) (prog-if 00 [VGA controller])
	Subsystem: ASRock Incorporation C61 [GeForce 7025 / nForce 630a] [1849:03d6]
	Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx-
	Status: Cap+ 66MHz+ UDF- FastB2B+ ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
	Latency: 0
	Interrupt: pin A routed to IRQ 21
	NUMA node: 0
	Region 0: Memory at fa000000 (32-bit, non-prefetchable) [size=16M]
	Region 1: Memory at e0000000 (64-bit, prefetchable) [size=256M]
	Region 3: Memory at f9000000 (64-bit, non-prefetchable) [size=16M]
	Expansion ROM at 000c0000 [disabled] [size=128K]
	Capabilities: [48] Power Management version 2
		Flags: PMEClk- DSI- D1- D2- AuxCurrent=0mA PME(D0-,D1-,D2-,D3hot-,D3cold-)
		Status: D0 NoSoftRst- PME-Enable- DSel=0 DScale=0 PME-
	Capabilities: [50] MSI: Enable- Count=1/1 Maskable- 64bit+
		Address: 0000000000000000  Data: 0000
	Kernel driver in use: nouveau
	Kernel modules: nouveau

lspci -nnk

00:0d.0 VGA compatible controller [0300]: NVIDIA Corporation C61 [GeForce 7025 / nForce 630a] [10de:03d6] (rev a2)
	Subsystem: ASRock Incorporation Device [1849:03d6]
	Kernel driver in use: nouveau
	Kernel modules: nouveau, nvidiafb