1.\" $OpenBSD: tga.4,v 1.13 2013/04/17 02:28:40 jsg Exp $ 2.\" 3.\" Copyright (c) 2001 Nathan L. Binkert <binkertn@umich.edu> 4.\" 5.\" Permission to use, copy, modify, and distribute this software for any 6.\" purpose with or without fee is hereby granted, provided that the above 7.\" copyright notice and this permission notice appear in all copies. 8.\" 9.\" THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 10.\" WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 11.\" MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 12.\" ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 13.\" WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 14.\" ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 15.\" OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 16.\" 17.Dd $Mdocdate: April 17 2013 $ 18.Dt TGA 4 alpha 19.Os 20.Sh NAME 21.Nm tga 22.Nd DECchip 21030 (TGA) graphics driver 23.Sh SYNOPSIS 24.Cd "tga* at pci?" 25.Cd "wsdisplay* at tga?" 26.Sh DESCRIPTION 27This driver handles DECchip 21030 (TGA) graphics hardware within the 28.Xr wscons 4 29console framework. 30.Pp 31On TGA adapters, the resolution is set on the card and is not changed 32at runtime. 33On some TGA models, there are four DIP switches. 34On other models, there is a rotary switch with positions 0-F. 35There are also some that use jumpers. 36.Ss TGA Switch Settings 37.Bl -column "Setting" "Freq (MHz)" "Resolution" "Rate (MHz)" -offset indent 38.It Sy Switch Ta Sy Pixel Ta Sy Monitor Ta Sy Refresh 39.It Sy "Setting" Ta Sy "Freq (MHz)" Ta Sy "Resolution" Ta Sy "Rate (MHz)" 40.It Li 0 Ta 130 Ta 1280x1024 Ta 72 41.It Li 1 Ta 119 Ta 1280x1024 Ta 66 42.It Li 2 Ta 108 Ta 1280x1024 Ta 60 43.It Li 3 Ta 104 Ta 1152x900 Ta 72 44.It Li 4 Ta 93 Ta 1152x900 Ta 66 45.It Li 5 Ta 75 Ta 1024x768 Ta 70 46.It Li 6 Ta 74 Ta 1024x768 Ta 72 47.It Li 7 Ta 69 Ta 1024x864 Ta 60 48.It Li 8 Ta 65 Ta 1024x768 Ta 60 49.It Li 9 Ta 50 Ta 800x600 Ta 72 50.It Li A Ta 40 Ta 800x600 Ta 60 51.It Li B Ta 32 Ta 640x480 Ta 72 52.It Li C Ta 25 Ta 640x480 Ta 60 53.El 54.Pp 55The settings for D, E, and F are for 1600x1200 on some cards, but 56there are no guarantees. 57.Pp 58There are also a couple of extra jumpers on some cards. 59One of these jumpers often selects the card to be the primary display. 60Exactly one of the cards in your machine should have that jumper on. 61If you have extra cards, they should have the jumper off. 62.Sh SEE ALSO 63.Xr intro 4 , 64.Xr pci 4 , 65.Xr wscons 4 , 66.Xr wsdisplay 4 , 67.Xr wsconscfg 8 68.Rs 69.%T DECchip 21030 PCI Graphics Accelerator Reference Manual 70.%N EC-N0683-72 71.Re 72.Sh BUGS 73There are some problems with the background randomly switching between 74black and blue. 75