Summary

Make the following changes/corrections to onboard video devices:

• Onboard CL-GD5420 (Dell System 333s/L) now has a fixed 512KB video memory configuration
• Packard Bell PB450's onboard CL-GD5428 now only supports 1MB and 2MB video memory configurations
• Onboard Cirrus CL-GD5434 and CL-GD5436 now only support 1MB and 2MB video memory configurations
• ICS SB486PV's onboard CL-GD5436 now has a fixed 1MB video memory configuration
• Onboard S3 805 (DECpc LPV) and S3 Trio32 VLB (Venturis 4xx) now have a fixed 1MB video memory configuration
• Onboard PCI S3 Trio32/64/64V+ and Trio64V2/DX now only support 1MB and 2MB video memory configurations
• Onboard S3 ViRGE and ViRGE/DX now have a fixed 2MB video memory configuration
• Onboard ATi Mach32 PCI now only supports 1MB and 2MB video memory configurations
• Onboard Trident TGUI9660 now only supports 1MB and 2MB video memory configurations

Checklist

• Closes #xxx
• I have tested my changes locally and validated that the functionality works as intended
• I have discussed this with core contributors already
• This pull request requires changes to the ROM set
  • I have opened a roms pull request - https://github.com/86Box/roms/pull/changeme/
• This pull request requires changes to the asset set
  • I have opened an assets pull request - https://github.com/86Box/assets/pull/changeme/

References

Provide links to datasheets or other documentation that helped you implement this pull request.

• Dell System 333s/L page on TRW (CL-GD5420): https://theretroweb.com/motherboards/s/dell-system-333s-l
• Packard Bell PB450 page on TRW (CL-GD5428): https://theretroweb.com/motherboards/s/packard-bell-pb450
• Acer P3 page on TRW (CL-GD5434 PCI): https://theretroweb.com/motherboards/s/acer-p3
• Intel Premiere/PCI LC page on TRW (CL-GD5434 PCI): https://theretroweb.com/motherboards/s/intel-premiere-pci-lc-robin-lc
• ICS SB486PV data sheet (CL-GD5436): https://theretroweb.com/motherboard/manual/ics-sb486pv-datasheet-5fbfbe19c4ff7838155798.pdf
• Vectra VE Series 2 page on TRW (CL-GD5436): https://theretroweb.com/motherboards/s/hp-vectra-ve-5-xxx-series-2
• IBM PC 340-6560 specs (CL-GD5436): https://ardent-tool.com/docs/pdf/dwbook.pdf
• DECpc LPV page on TRW (S3 805): https://theretroweb.com/motherboards/s/dec-decpc-lpv
• DEC Venturis 4xx page on TRW (S3 Trio32 VLB): https://theretroweb.com/motherboards/s/dec-venturis-486-433-ver.-1.0
• AT&T PSK-2000 page on TRW (S3 Trio64): https://theretroweb.com/motherboards/s/at-t-psk-2000
• Dell Optiplex GXL/GXM page on TRW (S3 Trio64V+): https://theretroweb.com/motherboards/s/dell-optiplex-gxl-optiplex-gxm
• PB68x page on TRW (S3 Trio64V+): https://theretroweb.com/motherboards/s/intel-nv430vx-orlando,-tampa
• TriGem Torino page on TRW (Trident TGUI9660): https://theretroweb.com/motherboards/s/trigem-torino
• Intel Advanced/MN TPS: https://theretroweb.com/motherboard/manual/manual-motherboard-intel-advancedmn-28167102-5f2f0de79219a602726088.pdf
• Intel Advanced/ATX TPS: https://theretroweb.com/motherboard/manual/advanced-atx.pdf-5f079752969ba025695332.pdf
• Intel Advanced/EV TPS: https://theretroweb.com/motherboard/manual/advanced-ev.pdf-5f07a724c3658224627227.pdf
• Intel RU430HX TPS: https://theretroweb.com/motherboard/manual/manual-motherboard-intel-ru430hx-motherboard-28181002-5f34516519281511206160.pdf
• Intel AP440FX TPS: https://theretroweb.com/motherboard/manual/advanced-rh-28183002-5f08748e5b933260359049.pdf
• Intel TC430HX TPS: https://theretroweb.com/motherboard/manual/tc430hx-5f0789db1ea28542405826.pdf
• IBM ValuePoint P60/D system information (Mach32 PCI): https://www.infania.net/misc/pcpartnerinfo/ctstips/5e9a.html
• Compaq Presario 4504 QuickSpecs (Trio64V2/DX): https://www.elhvb.com/mobokive/archive/compaq/presario/Presario%2045xx/4504/4504quickspecs.html
• Compaq Presario 2240 QuickSpecs (Trio64V2/DX): https://www.infania.net/misc/moboarchive/Compaq/Presario/Presario%2022xx/2240/2240quickspecs.html