1.\" $OpenBSD: zx.4,v 1.12 2008/03/31 08:12:22 jmc Exp $ 2.\" Copyright (c) 2003 Miodrag Vallat. All rights reserved. 3.\" 4.\" Redistribution and use in source and binary forms, with or without 5.\" modification, are permitted provided that the following conditions 6.\" are met: 7.\" 1. Redistributions of source code must retain the above copyright 8.\" notice, this list of conditions and the following disclaimer. 9.\" 2. Redistributions in binary form must reproduce the above copyright 10.\" notice, this list of conditions and the following disclaimer in the 11.\" documentation and/or other materials provided with the distribution. 12.\" 13.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 14.\" IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 15.\" WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 16.\" DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, 17.\" INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 18.\" (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 19.\" SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 20.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 21.\" STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN 22.\" ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 23.\" POSSIBILITY OF SUCH DAMAGE. 24.\" 25.Dd $Mdocdate: March 31 2008 $ 26.Dt ZX 4 sparc64 27.Os 28.Sh NAME 29.Nm zx 30.Nd accelerated 24-bit color frame buffer 31.Sh SYNOPSIS 32.Cd "zx* at sbus?" 33.Cd "wsdisplay* at zx?" 34.Sh DESCRIPTION 35The ZX and TurboZX 36are dual-slot SBus color frame buffers, with graphics acceleration 37and overlay capabilities. 38They are also known as the 39.Tn Sun 40.Dq Leo 41graphics card. 42.Pp 43The 44.Nm 45driver interfaces the frame buffer with the 46.Xr wscons 4 47console framework. 48It does not provide direct device driver entry points 49but makes its functions available via the internal 50.Xr wsdisplay 4 51interface. 52.Sh DISPLAY RESOLUTION 53The following resolutions are supported by the ZX frame buffer: 54.Bl -column "Resolution" "Refresh Rate" 55.It Li Resolution Ta "Refresh Rate" 56.It " " 57.It Li 1280x1024 Ta 76 Hz Ta Non-interlaced 58.It Li 1280x1024 Ta 67 Hz Ta Non-interlaced 59.It Li 1152x900 Ta 76 Hz Ta Non-interlaced 60.It Li 1152x900 Ta 66 Hz Ta Non-interlaced 61.It Li 1024x768 Ta 76 Hz Ta Non-interlaced 62.It Li 1024x768 Ta 60 Hz Ta Non-interlaced 63.\" Is it worth documenting the Stereo and TV modes? 64.It Li 960x680 Ta 112 Hz Ta "Stereo, non-interlaced" 65.It Li "" Ta "" Ta "56 Hz field rate per eye" 66.It Li 960x680 Ta 108 Hz Ta "Stereo, non-interlaced" 67.It Li "" Ta "" Ta "54 Hz field rate per eye" 68.It Li 770x575 Ta 50 Hz Ta "Interlaced - PAL" 69.It Li 640x480 Ta 59.94 Hz Ta "Interlaced - NTSC" 70.El 71.Pp 72If the ZX frame buffer is connected to a monitor at boot time, it will 73select its display resolution depending of the monitor 74.Sq select code 75provided by the 13W3 connector. 76If the frame buffer is not connected to a monitor, the default resolution 77of 1152x900, with a 66 Hz refresh rate, will be selected. 78The selected resolutions are: 79.Bl -column "sense code" "Resolution" "Refresh" "Monitor" 80.It Li Monitor Ta Resolution Ta Refresh Ta Monitor 81.It Li "sense code" Ta "" Ta Rate Ta Type 82.It " " 83.It Li 0 Ta 1024x768 Ta "76 Hz" Ta X449A 84.It Li 1 Ta 1152x900 Ta "66 Hz" 85.It Li 2 Ta 1280x1024 Ta "76 Hz" Ta X248A, GDM-205S 86.It Li 3 Ta 1152x900 Ta "66 Hz" Ta GDM-1955A15, GDM-1604A15, CPD-1790 87.It Li 4 Ta 1280x1024 Ta "67 Hz" Ta GDM-20D10, GDM-1962 88.It Li 5 Ta 1152x900 Ta "66 Hz" 89.It Li 6 Ta 1152x900 Ta "76 Hz" Ta GDM-1662B, 17SMM4 90.It Li 7 Ta 1152x900 Ta "66 Hz" 91.El 92.Sh SEE ALSO 93.Xr intro 4 , 94.Xr sbus 4 , 95.Xr wscons 4 , 96.Xr wsdisplay 4 97.Sh CAVEATS 98There is currently no software interface to change the frame buffer 99resolution at runtime. 100