If the driver listed is not the right version or operating system, search our driver archive for the correct version. Enter Cirrus Logic 5446 PCI v1.40 into the search box above and then submit. In the results, choose the best match for your PC and operating system.

QEMU Cirrus CL-GD5446 support is still broken in combination with Windows for Workgroups 3.x

If i install the Cirrus_Logic__CL-GD_5446.zip drivers, the installation works fine and the idchip.exe detection dos program detects a CL-GD5446 but when i change the video mode, after the drivers for windows are installed the video output looks like garbage in Windows. Only the text can be read.

Cirrus Logic 5446 Vga Driver Free Download

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The same applies to bochs by the way. The only difference is, that bochs does emulate a CL-GD5430 not a CL-GD5446. Thus i used the gd5430_nt31_nt35_dos_win3x.zip drivers for it. But the error is the same. The video output is garbage and unusable.

Have you tried searching archive.org? i have had some good luck in finding obscure drivers in the past.

EDIT: I just found this, it doesn't seem to be made by cirrus, YMMV that it appears to be a universal vga driver for various programs, including win3.0

 _202011

Recommendation: If you are inexperienced with updating Cirrus Logic Graphics Card device drivers manually, we highly recommend downloading DriverDoc [Download DriverDoc - Product by Solvusoft] to assist in updating your GD 5446 drivers. DriverDoc takes away all of the hassle and headaches of updating your GD 5446 drivers by downloading and updating them automatically.

Error messages associated with GD 5446 might be caused by inefficient or outdated device drivers. Drivers will work one day, and for a variety of reasons, suddenly quit working the next day. There is hope for Graphics Card users because they can usually solve the problem by updating their device drivers.

It can seem impossible to find the right GD 5446 driver directly on the Cirrus Logic's or related manufacturer's website for your Graphics Card. Locating, downloading, and manually updating your Windows GD 5446 driver does take a lot of time, making the process unbearable for most users. Installing the wrong driver will prevent the Windows from starting at all or worse, lead to absolute failure.

I used all three versions of the Cirrus drivers, the Cirrus 5426 (isacirrus), 5430 and 5446 to get Windows 3.1 working and all I got was a corrupt display. The only temporary workaround was to either use Qemu 0.9.x or use the generic Super VGA 256 colour drivers.

This package provides the driver for the Cirrus Logic family of videocards.More information about X.Org can be found at:This package is built from the X.org xf86-video-cirrus driver module. Tags: System Administration: Hardware Support, Hardware Enablement: Graphics and Video, Implemented in: C, Role: role::shared-lib, use::driver, X Window System: Library

Note 1: In some cases MTRR USWC acceleration can be enabled simply in BIOS like in ASUS P2B-B AT mobo. :)Note 2: With some hardware only one of these tools, provided below can CORRECTLY enable MTRR USWC acceleration. So you must check all of them! Most working (for me) is Fastvid.VESAMTRR v1.3 (C) Japheth 2005-2007vesamtrr.exe - part of HXGUI, HX DOS Extender GUI Extension: Additional binaries needed to load and run simple Win32 GUI applications with HX. This includes support for SDL, OpenGL and DirectDraw.DOS HXGUI*.ZIP - FastVid v1.10 PCI/AGP Video accelerator [710 KB, FREEware] is a DOS tool - enables the Write Posting (WP), Banked VGA Write Combining (BVGAWC) and Linear Frame Buffer Write Combining (LFBWC) modes in the BIOS for your PCI/AGP video card, in MS-DOS 5.00 - 6.22 and Windows 3.1x/9x/ME. Does NOT use ANY memory.Rayer's tools (English EN_US - , Cezky CZ - ):VESATEST.ZIP ver. 1.46 [152 kB] - I wrote my own VESA VBE driver for graphics handling. VESATEST will test compatibility of your graphics card with VBE 1.2 - 3.0 standard and functionality of my driver. After test it create log file. Please send it to me.24.3.2005 I partially rewrote and improve my VESA driver. Now it supports Write-Combining mode set for Linear FrameBuffer and BS window via MTRR registers (Pentium Pro processors and higher) which gain transfer rate between RAM off-screen buffer and LFB x-times. This setting also positive affects other DOS programs (Windows drivers usually enable W-C mode automatically). This mode stays enabled until you perform hardware reset.10.3.2011 New version 1.45 contains improved MTRR setting function so now it can work also under old memory manager emm386.exe and Windows 9x. In bank-switched mode the video BIOS bank switching function is now called via far call instead of slower INT 10h service. I also fixed some minor bugs. As a bonus I added gtfcalc.exe utility including source code in this package. It allows you to enter video mode resolution and vertical refresh rate and calculate CRTC registers values according to VESA GTF specification and store it to crtc.cfg file. If this file is in current directory with VESATEST then video mode resolution + CRTC and other settings will be loaded from this file and override defaults and command line options. Currently I work on Windows port of my library using SDL library for low-level functions. The goal is that I will be able to compile my graphics programs without source code modification under DJGPP for DOS and under MinGW32 for Windows. MTRRLFBE.EXE ver. 1.3 [55 kB] - MTRR-WC enabler for VESA LFB. On a query I wrote this small program which allows you to set MTRR mode independently for VGA (A0000h) area and LFB area (address of LFB is autodetected). If you will set W-C mode, you may gain performance of your existing programs which displays graphics through VESA VBE. On my machine: Celeron Tualatin 1466, intel BX chipset, SVGA GeForce MX440 I have got transfer rate (RAM->VRAM) gain eg. in 800 x 600 / 32 LFB mode from 62 MB/s to 315 MB/s.BTW the whole thing about MTRRLFBE had started this way: I was programming some graphics routines for my DOS program and I did some benchmarks to find the fastest algorithm. But sometimes happened that program had been executed e.g. 5-times faster than usually. But it had nothing to do with my code. Everything was faster. Then I tracked that this effect happen when I reboot to DOS from Win98 without performing full restart. This led me to idea that nVidia drivers or Windows setup something that makes copying of framebuffer much faster. Then I googled a lot and discovered some intel document describing setting of MTRRs and its impact to graphics performance. Then it would be quite easy to implement it to my mtgfx library and as a stand alone utility...8.1.2007 since version 1.1 allows you to set user address range for specified mode via following command line parameter USER:base_address:size_kB.10.3.2011 In version 1.3 I completely rewrote MSR setting routines so now it can run under old memory manager emm386.exe and Windows 9x. CPU/CACHE/Speicher-Analyse - system/video benchmark (can enable MTRR USWC and test affected video performance) - ://ftp.heise.de/pub/ct/ctsi/ctcm17a.zip 99.928 05.05.00 CPU/CACHE/Speicher-Analyse (V1.7a, nach c't 1/93) Neu: Behandlung aller neuen Prozessoren incl. Pentium II und K6-2, benoetigt 2MByte im Extended MemoryShadow buffering.Documentation and source code for driver development:Video hardware datasheets. Google helps...WHATVGA and VGADOC - outdated but good SuperVGA documentation + test */ SVGAlib drivers (now legacy, replaced by , but it has good info about pre-2001 year old chips)X.Org drivers - DirectFB drivers - Cirrus Logic CL-GD54xx Family documentation excerpts:CL-GD542x----------------------------VL-Bus up to 50MHzISA bus 12.5 MHz----------------------------5420 - SVGA, up to 1Mb, 16Bit Bus5422 - TrueColor VGA, VO, up to 1Mb, 32Bit Bus5424 - TrueColor VGA, Local Bus, VO, up to 1Mb, 32Bit Bus5425 - TrueColor VGA, Local Bus, TV (PAL/NTSC), VO (16Bit YCbCr), up to 1Mb, 32Bit Bus5426 - GUI Accelerator, Local Bus, VO, up to 2Mb, 32Bit Bus5428 - Enhanced GUI Accelerator, Local Bus, VO, up to 2Mb, 32Bit Bus5429 - GUI Accelerator, Local Bus, MMIO, VO, up to 2Mb, 32Bit Bus----------------------------PCLK 75-80-80-80-80-80-86 MHzMCLK 50-50-50-60-50-50-60 MHzHWCR 32-64-64-64-64-64-64 pix x pixCL-GD5446----------------------------MCLK 80 MHzPCLK 135 MHzVO, c - keying1 - 4 Mb VRAMI2C (i.e. DDC2B)CR00 - CR5E (00-3F,50-5E)GR00 - GR35SR00 - SR1F32-bit color DACHWCursor up to 64x64VESA BIOS 1.2CL-GD546x----------------------------5462 PCLK 170 MHz5464,5465(AGP) PCLK 230 MHz (up to 1600x1200x85Hz)MCLK ?True color up to 1024x768 (32 bit)1 - 2 Mb VRAMI2C (i.e. DDC2B)32-bit color DACHWCursor up to 64x64CL-GD5480----------------------------MCLK 100PCLK 135 (up to 200 with DBL)1 - 4 Mb VRAM (SGRAM)I2C (i.e. DDC2B)CR00-CR7FGR00-GR7FSR00-SR1F32-bit color DACHWCursor up to 64x64VESA BIOS 2.0Here's a list of maximum dot clocks for each supported depth: mono 8 bpp (256c) 16 bpp 24 bpp 32 bppCL-GD62x5 45 MHz 45 MHz CL-GD5420 80 MHz 45 MHz (1)CL-GD542x/512K 80 MHz 45 MHz CL-GD5422/24 80 MHz 80 MHz 40 MHz 27 MHzCL-GD5426/28 85 MHz 85 MHz 45 MHz (2) 28 MHzCL-GD5429 85 MHz 85 MHz 50 MHz 28 MHzCL-GD5430 85 MHz 85 MHz 45 MHz (2) 28 MHzCL-GD5434/1Mb 85 MHz 85 MHz 42 MHz 28 MHzCL-GD5434/2Mb 85 MHz 110/135 MHz 85 MHz 28 MHz 45/50 MHz (2)CL-GD5436/1Mb 85 MHz 110 MHz (3) 60 MHz (3) 40 MHz (3)CL-GD5436/2Mb 85 MHz 135 MHz 85 MHz 85 MHz (3) 60 MHz (3)CL-GD5446/1Mb 85 MHz 110 MHz (3) 60 MHz (3) 40 MHz (3)CL-GD5446/2Mb 85 MHz 135 MHz 85 MHz 85 MHz (3) 60 MHz (3)CL-GD546X 170 MHz 170 Mhz 170 MHz 170 MHz 170 MHzCL-GD754x 80 MHz 80 MHz 40 MHz (4) (5)(1) with 512K memory.(2) 50 MHz with high MCLK setting.(3) Depends on memory clock.(4) This may be too low for some chips.(5) This depth may actually work if it is enabled and tested.CL-GD5446 Mode limits (assumed 4 Mb RAM)8-bit modes: less than 4096x1280 (2560x1600 byRAM) ~3494x102415/16-bit modes: less than 2046x1280 (1920x1080 byRAM) ~2048x1024 or ~1920x108024-bit modes: less than 1368x1280 (1360x1024, 1440x960 byRAM) ~1360x102432-bit modes: less than 1024x1280 (1360x768 byRAM) ~960x720Cirrus Logic CL-GDxxxx DriversDrivers - Cirrus LogicGraphicsCL-GD5422/24/26/28 Drivers  GD542X DOS utilities 

k542x-d1.zip (835k) 12/21/1995 0852c4b9a8

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