Radius MultiView 24/MC

@8066.ADF Radius Multiview 24 (NOT SVGA Multiview!)

MV24DISK.ZIP Multiview 24 installation disk DEAD link 22 Feb 2016
Radius MultiView 24 User's Manual Nov 1992
Radius_MV24 My archive, v1.03

Multiview 24
ADF Sections

Radius MultiView 24/MC ASSY: 632-0135-01 Rev. A

P1 Solder pads for 100-pin header
P2 Solder pads for 44-pin header
P4 25-pin video pass through
U9-U20 256Kx8 DRAM MT42C8255DJ-8
U24 Brooktree Bt473KPJ80 RAMDAC
U32 Altera EP1810LC-20T
U35-U37 WDC WD95C01-LR (PDM)
X1 14.3181 MHz xtal

WD95C00-SET1 Datasheet
Bt473 Datasheet
MT42C8255DJ Datasheet 256K x 8 DRAM WITH 512 x 8 SAM

PAM - Pixel Address Manager
PDM - Pixel Data Manager

WD9500 Based Card

WD9500 Architecture

Memory Differences Between 24/MC and PC / AT
ISA: 3MB; 24 each 256KBx4 Looks like 28 pin ZIPPs
MCA: 3MB; 12 each 256KBx8

For a MC system, install MV24 in highest-level slot available, in following order:
   1st: 32-bit slot with Auxiliary Video Extension
   2nd:16-bit slot with Auxiliary Video Extension
   3rd: Standard 16-bit slot (VGA passthrough cable needed)

The MultiView 24 Interface card is based on the 8514/A graphics standard, which does not allow for two 8514/A interfaces in the same system. Pseudo VGA interface boards based on 8514/ A - like the ATI 85141U1tra, Paradise 8514/A Plus, Diamond Stealth, and Fahrenheit 1280 - or boards based on the 8514/A or S3 graphics chips cannot be used for VGA passthrough and must be disabled, if they are integrated into the motherboard, or removed from the system.

The MultiView 24/MC is compatible with VGA and XGA.

Resolutions: 1024x768 and 640x480
Color Modes: 16.8 million and 256 colors
Horizontal: 31.5KHz to 60KHz
Vertical: 43.5Hz to 75Hz
Pixel Clock: 76.8MHz maximum

Dual Monitor compatible with VGA interface

Single Monitor compatible with VGA or XGA video on Micro Channel motherboard;
VGA interface for ISA/EISA with feature connector for passthrough to MultiView 24

Radius MultiView24/MC Memory Map  0CA000h - 0CA7FFh

I/O Address Decoding Table

I/O locations reserved by the MultiView 24 Video Interface card.

One byte location at
02EA 02EB 02EC 02ED
Two consecutive byte locations at
02EB 06EB 0AE8 0EE8
12E8 16E8 1AE8 lEE8
22E8 26E8 2AE8 2EE8
32E8 36E8* 3AE8 3EE8
42E8 46EB** 4AE8 4EE8
52E8 56E8 5AE8 5EE8
62E8 66E8 6AE8 6EE8
72E8 76E8 7AE8 7EE8
82E8 86E8 8AE8 8EE8
92E8 96E8 9AE8 9EE8

* This value is 46E8 in Micro Channel systems
** Shared with some VGAs

Win95 and NT

The MultiView 24 board will not be updated beyond this driver version, nor will it be supported under Windows 95 or Windows NT. Windows 95 expects a user-accessible base MMIO address, and since the MultiView 24 board predates these requirements by several years and offers no MMIO interface, it will not be possible to retrofit or upgrade it to run under Windows 95.

   MV24SET.EXE is the setup program for the MultiView 24.  It must be run in order to enable the ROM and select its address, and to select a monitor type and appropriate refresh rates.  MV24SET will be run automatically the first time INSTALL is run on a new MultiView 24.  If you wish to change your ROM address or monitor type or refresh rate after the first time installation to your hard disk, run MV24set.exe 

   MV24INIT.EXE is an optional substitute for the on-board ROM.  It performs the same initialization as the ROM does on power-up.  This program should only be installed if MV24SET has been run and it has been determined that the on-board ROM must be disabled due to unresolveable address conflicts. If MV24INIT is used to replace the ROM, it must be run every time the system is booted, preferably as part of the AUTOEXEC.BAT.  The INSTALL utility will automatically add MV24INIT to your AUTOEXEC.BAT file if you so choose.  To install MV24INIT, run INSTALL from the Utilities and Drivers disk, select MV24INIT, and complete the installation according to the on-screen instructions. 

   CLR24.EXE is a screen clearing utility for the MultiView 24 when it is used in a dual-screen configuration (VGA and MultiView 24 connected to separate monitors).  If an application leaves a graphics image on the MultiView 24 screen after exiting, CLR24.EXE can be run to clear the image from the MultiView 24 screen.  To run this utility after installation to your hard disk, run CLR24.exe

   FPP1024.EXE is a utility for 1024x768 modes when the MultiView 24 is connected to a Radius Full Page Pivot display.

AdapterId 8066 Radius MultiView 24 MC

Card Enable
   This allows you to disable the Radius MultiView 24 card.
  <Enabled>, Disabled 

EPROM Enable
   This allows you to disable the EPROM of the card.  This is useful only if other adapters conflict with the MultiView 24."  [mem 0CA000h - 0CA7FFh]

  <Enabled>, Disabled"
 Note that if you have disabled the ROM, you must run MV24INIT.EXE, which is the RAM replacement for the ROM, every time you boot your system.

Content created and/or collected by:
Louis F. Ohland, Peter H. Wendt, David L. Beem, William R. Walsh, Tatsuo Sunagawa, Tomáš Slavotínek, Jim Shorney, Tim N. Clarke, Kevin Bowling, and many others.

Ardent Tool of Capitalism is maintained by Tomáš Slavotínek.
Last update: 08 May 2024 - Changelog | About | Legal & Contact