Links to freely-available register specifications for graphics hardware.  Note that redistribution restrictions apply to many of these documents.

== GPUs ==
 * [[ftp://ftp.siliconmotion.com.tw/databooks/|SiliconMotion]]
 * [[http://www.asiliant.com/products.htm|Chips (now Asiliant)]]

 * [[http://people.freedesktop.org/~anholt/specs/3dfx/voodoo_graphics.pdf|3dfx Voodoo Graphics]]
 * [[http://people.freedesktop.org/~anholt/specs/3dfx/voodoo2.pdf|3dfx Voodoo2]]
 * [[http://people.freedesktop.org/~anholt/specs/3dfx/voodoo_rush.pdf|3dfx Voodoo Rush]]
 * [[http://people.freedesktop.org/~anholt/specs/3dfx/banshee_spec.pdf|3dfx Voodoo Banshee]]
 * [[http://people.freedesktop.org/~anholt/specs/3dfx/voodoo3_spec.pdf|3dfx Voodoo3]]

 * XGI V3XE/V5/Z7:
   * [[https://bugs.freedesktop.org/attachment.cgi?id=7379|2D Programming Guide]]
   * [[https://bugs.freedesktop.org/attachment.cgi?id=9294|3D Programming Guide]]
 * [[https://bugs.freedesktop.org/attachment.cgi?id=7938|XGI 8300]]
 * [[http://ms-n.org/DataSheets/XGI/databook_z9s_v20.pdf|XGI Z9 Databook]]

 * [[http://www.intel.com/design/chipsets/manuals/298026.htm|Intel i810]]
 * [[http://www.intel.com/design/chipsets/manuals/298237.htm|Intel i815]]
 * [[http://intellinuxgraphics.org/documentation.html|Intel G45 & 965]]

 * [[http://www.x.org/docs/AMD/|AMD/ATI]]:
   * [[http://www.x.org/docs/AMD/R3xx_3D_Registers.pdf|ATI R3xx 3D Register Reference]]
   * [[http://www.x.org/docs/AMD/R5xx_Acceleration_v1.5.pdf|ATI R5xx Acceleration]]
   * [[http://www.x.org/docs/AMD/R6xx_3D_Registers.pdf|ATI R6xx/R7xx 3D Register Reference]]
   * [[http://www.x.org/docs/AMD/R6xx_R7xx_3D.pdf|ATI R6xx/R7xx Acceleration]]
   * [[http://www.x.org/docs/AMD/42589_rv630_rrg_1.01o.pdf|ATI rv630]]
   * [[http://www.x.org/docs/AMD/43372_rs690_rrg_3.00o.pdf|ATI rs690]]
   * [[http://www.x.org/docs/AMD/RRG-216M56-03oOEM.pdf|ATI M56]]
   * [[http://www.x.org/docs/AMD/42590_m76_rrg_1.01o.pdf|ATI m76]]
   * [[http://developer.amd.com/gpu_assets/R600_Instruction_Set_Architecture.pdf|ATI R6xx ISA]]
   * [[http://developer.amd.com/gpu_assets/R700-Family_Instruction_Set_Architecture.pdf|ATI R7xx ISA]]
   * [[http://developer.amd.com/gpu/ATIStreamSDK/assets/R600-R700-Evergreen_Assembly_Language_Format.pdf|ATI R6xx-Evergeen ISA]]
   * [[http://developer.amd.com/gpu/ATIStreamSDK/assets/AMD_Evergreen-Family_ISA_Instructions_and_Microcode.pdf|ATI Evergreen ISA]]

 * [[http://www.amd.com/us-en/ConnectivitySolutions/ProductInformation/0,,50_2330_9863_9919,00.html|AMD Geode]]

== DVI Transmitters ==
 * [[http://www.chrontel.com/pdf/7009ds.pdf|Chrontel CH7009B]]
 * [[http://www.chrontel.com/pdf/7010ds.pdf|Chrontel CH7010B]]
 * [[http://www.chrontel.com/pdf/7301ds.pdf|Chrontel CH7301C]]

 * [[http://www.analog.com/UploadedFiles/Data_Sheets/641001752AD9389_0.pdf|Analog AD9389]]
 * [[http://www.analog.com/UploadedFiles/Data_Sheets/331659927AD9889_0.pdf|Analog AD9889]]

 * [[http://www.siliconimage.com/docs/SiI-DS-0021-E-164.pdf|SiliconImage SiI 164]]
 * [[http://www.siliconimage.com/docs/SiI-DS-0086.pdf|SiliconImage SiI 178]] - Appears to have been removed.
 * [[http://www.siliconimage.com/docs/SiI-DS-0081.pdf|SiliconImage SiI 1162]]
 * [[http://www.siliconimage.com/docs/SiI-DS-0127.pdf|SiliconImage SiI 1178]]

 * [[http://www.ti.com/lit/gpn/tfp410|TI TFP410]]

== LVDS Transmitters ==
 * [[http://www.chrontel.com/pdf/7017-7018ds.pdf|Chrontel CH7017/CH7018]]
 * [[http://www.chrontel.com/pdf/7019ds.pdf|Chrontel CH7019]]
 * [[http://www.chrontel.com/pdf/7304ds.pdf|Chrontel CH7304]]
 * [[http://www.chrontel.com/pdf/7305ds.pdf|Chrontel CH7305]]

 * [[ftp://download.intel.com/design/chipsets/datashts/29069001.pdf|82807AA VCH]]

== TV Encoders ==
 * [[http://www.chrontel.com/products/dvo.asp|Chrontel CH703 - CH7013]]

 * [[http://www.conexant.com/products/entry.jsp?id=204|Brooktree Bt868/9, Conexant CX258xx]]

 * [[http://www.nxp.com/pip/SAA7102H/V4|Philips SAA7102/03]]