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1993-05-30
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@MAJOR TITLE = HELP GUIDE
BACKGROUND
══════════════
The Digital Tours Access System (software interface) employs
SOSVIEW.EXE as the graphic file viewer. Even though
SOSVIEW.EXE has a reputation for being easy to use and
trouble-free, occasionally you may experience difficulties.
This error list reference is provided to assist you in
diagnosis of many possible problems and their solutions.
START UP
════════════
Selecting Video Drivers Using PICKDRVR.EXE
Video drivers for the correct video card MUST be installed to
operate the program correctly. For convenience, use
PICKDRVR.EXE to install the drivers from a menu-driven
utility. If a driver is listed which directly supports your
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video card, select that driver from the PICKDRVR.EXE list. If
no direct support video driver is listed and your video card
is VESA compatible, select the VESA driver from the
PICKDRVR.EXE list. If you are uncertain which video card is
present in your computer, consult your system manual, or
package of manuals which you received with your computer.
< SPECIAL NOTE > Most newer video cards are now VESA Compatible
SVGA. Many of these cards are BIOS compatible, which means
that the cards can autodetect (recognize) VESA compatible
"calls" without any additional user modifications. Some older
cards may require loading an additional software driver to
force the video card into VESA mode. These software drivers
and the necessary instructions should be found with the
manual and disk which came with your video card or computer.
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TROUBLE SHOOTING <> Common Error Messages and What They Mean
══════════════════════════════════════════════════════════════════
ERROR: CANNOT FIND GRAPHIC MODE FOR THIS IMAGE
A. Video drivers for the correct video card MUST be installed
to operate the program correctly. For convenience, use
PICKDRVR.EXE to install the drivers from a menu-driven
utility.
B. Video card may not have enough video RAM. Most of the
useful SVGA video modes require at least 512K video RAM.
Note: 512k video RAM required to view images 640x480x256
1 Mb video RAM required to view images 1024x768x256
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ERROR: (No error message will report)
If you are using a DOS shell such as Windows, XTREE,
1DIRPLUS, or DesqView, you may want to leave the shell and
return to DOS. SOSVIEW routines are well behaved, but, any
co-existing shell or TSR usage runs the risks of excessive
memory allocation or internal contention that could lock up
the PC. SOSVIEW routines do direct screen writes which may
cause contention with ill-behaved TSRs. When SOSVIEW
routines give you error messages relating to OUT OF MEMORY or
inability to allocate memory for buffers, the shell or
terminate-and-stay-resident utilities are hogging precious
RAM and preventing from correct operation. Well-known ill-
behaved TSRs like SIDEKICK are definitely at risk for
crashing when attempting to co-exist with database
applications. Microsoft WINDOWS 2.11 or older will NOT work
with SOSVIEW routines. All versions of DESQview, including
DV/X are known to not correctly restore or refresh SuperVGA
graphic mode screens upon returning to a graphic process
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(after swapping to another process). This is a DESQview
problem and occurs even with DESQview-specific or DESQview-
aware programs running in SVGA graphics modes. Unless your
graphic mode application can refresh its own graphics screen,
there is no currently known solution. The graphic mode
process works correctly except for this problem and only when
swapped out. It does not crash. Quarterdeck Systems is
working on this problem.
ERROR: (No error message will report)
MONITORS: 800x600 at higher require analog, multisync/or
analog fixed frequency Monitors that support the desired
video modes. Incorrect display, rolling of picture, jumbled
image, distortion and severe monitor damage may result from
over-driving monitor. Even though monitor may appear to
support the desired modes, some video cards can easily over
drive inexpensive monitors, even those claiming to support
the desired modes, because they are high performance and
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require greater bandwidth than monitor can support (C&T 453
chipsets, etc) Some SVGA cards have dip-switches or jumpers
to "throttle back" or reduce the bandwidth to fit
capabilities of inexpensive monitors. This is a different
parameter than the 8-bit/16-bit mode of operation jumpers.
Video Cards NOT currently supported:
SIERRA High Color (32,768 palette 16-bit)
8514A with video pass-through to Vesa connector
(where 2 boards are installed - separate non-IBM 8514 and
regular SVGA using ribbon cable to Vesa pass-through
connector on SVGA card)
Texas Instruments 34010/34020/34040
HERCULES Graphic Station
S3 Graphic Accelerator chipset
Weitek W5086 Graphic Controller
Other Graphic Accelerators or Coprocessors
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Video Cards Currently Supported
AST - (Paradise chipset, see Paradise notes, above)
ATI Wonder (ATI chipset)
ATI VGA Wonder (ATI chipset)
No ATI High Color support
ATI Elite (Trident chipset)
CEG (see Edsun)
CHIPS & TECHNOLOGY 453 Chipset 1Mg, 512K 1024x768
CHIPS & TECHNOLOGY 452 Chipset, 512K, 640x480/800x600
Even though 452 has 512K, it only supports
640x480x256
CIRRUS LOGIC
COMPAQ, 512K, 256K (using Paradise chipset)
DEFINICON ET-4000, 1Mg, 512K, 256K
DELL (using Paradise chipset) Older
DELL (using WDC chipset) Newer, 1024x768x 256, 800x600x256!!
DIAMOND SpeedStar ET-4000, 1 Meg, 512K, 256K
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EDSUN Laboratories CEG/DAC Continuous Edge Graphics
In conjunction with 1 Meg SVGA TSENG
ET-4000, C&T 452/453, TRIDENT 8900,
PARADISE 1024, etc Chipsets.
EVEREX (Everex chipset) 512K video RAM
FORTUNER (Trident 8800) 512K video RAM
GENOA (Genoa chipset) 512K memory, Requires Sigma driver
NOT generic Tseng ET-3000
GENOA - 1 Meg (not supported unless it has ET-4000 installed)
GRABERT Autopack Apogee ET-4000, 1Mg, 512K, CEG and SVGA
GROUNDHOG Graphics SHADOW, ET-4000, 1Mg, 512K, 256K
HEADLANDS Technology (see VIDEO Seven up to 512K only)
HERCULES Monochrome Graphics, 720x348x2
IBM XGA 1024x768x256, 640x480x256 (16 color modes supported
but XGA requires 1 Meg video memory to display
1024x768 AND 640x480!!
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IBM 8514/A Genuine IBM 8514/A only
IMTEC (Trident 8800) 512K video RAM
JATON (Trident 8800) 512K video RAM
LOGIX (Trident 8800) 512K video RAM
MAXXON )Trident 8800) 512K video RAM
MILLENIUM Spectrum ET-4000, 1Mg video RAM, BIOS extensions to
1280x1024x16
MONOLITHIC Systems UltraVGA 452 - 512K, 640x480 CEG and SVGA
MONOLITHIC Systems UltraVGA 453 - 1 Meg, 1024x768 CEG and SVGA
NCR 77C22 Chipset 4 Meg, 2 Meg, 1 Meg, 1024x768x256
NOTE: BIOS extension to 1280x1024 is claimed
by manufacturer but not implemented at this date)
OAK TECHNOLOGY Chipset 512K video RAM
ORCHID ProDesigner, Tseng ET-3000, 512K, 256K
ORCHID ProDesigner II, Tseng ET-4000, 1Mg, 512K, 256K
PARADISE, 512K, 256K 800x600x16, 640x480x256
(see Paradise note above)
PRISM X-VGA 1 Meg, Tseng ET-4000, BIOS extensions to 1280x1024x16
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SIGMA, Tseng ET-3000, 512K video RAM, Requires Sigma driver
NOT generic Tseng ET-3000
SIGMA Legend, Tseng ET-4000, 1 Meg, 512K, 256K
SMART VGA (Trident 8800) 512K video RAM
SpeedStar (see DIAMOND) Tseng ET-4000 Chipset, 1Mg, 512K, 256K
1024x768x256
SpeedStar Plus (see DIAMOND) Tseng ET-4000 Chipset, 1Mg, 512K, 256K
(short card) 1024x768x256
STB, Tseng ET-3000, 512K, 256K, Requires STB driver NOT
generic Tseng ET-3000
STB, Tseng ET-4000, 1Mg, 512K, 256K 1024x768x256
Requires STB4 driver NOT generic Tseng ET-4000
TECMAR 512K video RAM
TRIDENT IMPACT 8900 Chipset, 1Mg, 512K, 256K
TRIDENT TVGA 8900 (8916-8) Chipset, 1Mg, 512K, 256K
TRIDENT generic 8900 Chipset, 1Mg, 512K, 256K
TRIDENT generic 8800 Chipset, 512K, 256K
TSENG LABS generic ET-3000 Chipset, 512K, 256K
TSENG LABS generic ET-4000 Chipset, 1Mg, 512K, 256K
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VEGA (see VIDEO Seven, older cards may not include
complete video modes)
VESA Compatible SVGA Cards, 1Mg, 512K, 256K, See Vesa Note:
(Older cards may require TSR, Newer cards are
BIOS compatible, Some manufacturers may not have all modes
implemented, may be slower than board specific driver.
640x400x256
640x480x256
800x600x16 and 800x600x256
1024x768x16 and 1024x768x256
1280x1024x16 and 1280x768x256
Note: VESA High Color modes are not supported by SOSVIEW.EXE
VGA TWEAK MODES Non-standard modes using SOSVIEW.EXE:
Does not require SVGA, will work with an IBM compatible
standard VGA: 320x400x256 & 360x480x256, 720x540x16, 800x600x16
(800x600 requires multisync analog monitor)
VIEWPOINT by Everex (non-standard Trident 8800)512K video RAM
VIEWSONIC PerfectView ET-4000, 1 Meg. 1024x768
VIDEO SEVEN Chipset, 512K, 256K
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WESTERN DIGITAL Paradise Chipset, 1Mg, 512K
XEDAC ET-4000, 1Mg video RAM, CEG and SVGA to 1024x768
XGA, IBM
ZYMOS 512K video RAM
SOSVIEW.EXE (c) 1993 $ave On $oftware. All Rights Reserved.
Video Drivers (c) 1992 Sun Country. All Rights Reserved.
[END]