The old insertion with Trisquel 5.5 says it doesn't work, but it may have changed over time. On Parabola with the libre kernel the via driver is missing so it doesn't work except for the framebuffer console but i will do more tests with a different distro to make sure.

lspci -vmmnn

Slot:	01:00.0
Class:	VGA compatible controller [0300]
Vendor:	VIA Technologies, Inc. [1106]
Device:	K8M890CE/K8N890CE [Chrome 9] [3230]
SVendor:	ASUSTeK Computer Inc. [1043]
SDevice:	Device [81b5]
Rev:	11

lspci -nnk

01:00.0 VGA compatible controller [0300]: VIA Technologies, Inc. K8M890CE/K8N890CE [Chrome 9] [1106:3230] (rev 11)
	Subsystem: ASUSTeK Computer Inc. Device [1043:81b5]
	Kernel modules: viafb

lspci -vvnnk

01:00.0 VGA compatible controller [0300]: VIA Technologies, Inc. K8M890CE/K8N890CE [Chrome 9] [1106:3230] (rev 11) (prog-if 00 [VGA controller])
	Subsystem: ASUSTeK Computer Inc. K8M890CE/K8N890CE [Chrome 9] [1043:81b5]
	Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx-
	Status: Cap+ 66MHz+ UDF- FastB2B- ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
	Latency: 64 (500ns min)
	Interrupt: pin A routed to IRQ 11
	NUMA node: 0
	Region 0: Memory at d0000000 (32-bit, prefetchable) [size=256M]
	Region 1: Memory at fa000000 (32-bit, non-prefetchable) [size=16M]
	Expansion ROM at 000c0000 [disabled] [size=128K]
	Capabilities: [60] 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: [70] AGP version 3.0
		Status: RQ=256 Iso- ArqSz=0 Cal=7 SBA+ ITACoh- GART64- HTrans- 64bit- FW- AGP3+ Rate=x4,x8
		Command: RQ=1 ArqSz=0 Cal=0 SBA+ AGP- GART64- 64bit- FW- Rate=<none>