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1992-12-02
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╔═════════════════════════════════════════════════════════════════════════╗
║ ║
║ ISA Bus: Symptoms/Solutions: QUIKBUF Print Buffer Troubleshooting ║
║ ║
╚═════════════════════════════════════════════════════════════════════════╝
GENERAL PRINT BUFFER TROUBLESHOOTING
Follow these steps when you're having problems with your print buffer:
1. Make sure only one print buffer is active (some application
programs use their own print buffer). The computer can use only
one print buffer at a time.
2. Make sure the buffer is large enough to hold entire file you're
printing.
■ The size of a file when printing is often larger than the
size of the same file stored on a hard disk or diskette. So,
provide extra room in the print buffer.
■ Graphics files use much more memory per page than text files.
Allow at least 256K bytes of print buffer space for each page
of graphics.
3. Test the print buffer by printing from DOS, without using an
application program. If the buffer works from DOS, but not from
an application program, the problem is probably with that program.
4. Check for conflicting software:
a. If you're using a CAD program, it may be sending the file you
want to print directly to the printer without using the BIOS.
In this case, the program bypasses the print buffer.
b. Change the order that programs load in the AUTOEXEC.BAT file.
Try putting the QUIKBUF command at the end of the file.
c. Remove all memory resident program commands from the
AUTOEXEC.BAT and CONFIG.SYS files. Then, add them one at a
time until you identify the one causing the conflict.
d. Check for programs that use pop-up menus. These menus can
conflict with the print buffer pop-up. If necessary, disable
the print buffer pop-up menu by changing the display
parameter in the QUIKBUF command line to "O" (for Other).
KEYBOARD LOCKS WHEN USING POP-UP MENU
In some computers, pressing any key other than number 1 through 7 will
lock up the computer. The problem may be related to the version of your
computer's BIOS and the version of QUIKBUF. The QUIKBUF version on the
Above Board diskette containing EMM 4.0 Revision A (or newer) corrects
this problem.
PRINTER LOSES CHARACTERS-RUNS SLOW-LOCKS UP
If you're using the print buffer in expanded memory (QUIKBUF2), and a
printer locks up when you're using a print buffer, check for the
following:
■ You receive a printer error or write fault error (you must restart
the computer when this happens).
■ The problem is intermittent or occurs in the middle of a document.
■ The printer works when QUIKBUF2 isn't used.
■ You have an early version of QUIKBUF2.
These symptoms may be due to an incompatibility between EMM and QUIKBUF2.
Try using QUIKBUF1 (which installs the print buffer in conventional
memory) and contact Intel Customer Support for the latest print buffer
software.
PRINTER LOSES CHARACTERS
Printer cables can lose characters if printing starts when printer is off.
This is a characteristic of the cable, not the print buffer.
PRINTER RUNS SLOW
Reduced printer speed can be a normal result of using a print buffer.
Intel designed its print buffer to minimize its effect on the computer's
performance. The cost of better computer performance is reduced printing
speed.
Recent versions of QUIKBUF work faster than earlier versions, contact
Intel's Customer Support to make sure you have the most recent version.
If printer speed, and not computer performance, is your main concern,
remove the print buffer.
QUIKBUF DOESN'T LOAD, BATCH FILE PAUSES
Use this fix ONLY for people who have a REAL need to re-execute their
Autoexec.bat file after Quikbuf has been loaded, and don't want to have to
press a key to continue:
1. Edit the Quikbuf command line in Autoexec.bat to look like
this:
QUIKBUF2 AT 128 G < CR.IN
2. Use COPY CON to create a file in the root directory called
"CR.IN":
(This creates a file that contains the ENTER keystroke!)
C:\>COPY CON CR.IN
<enter> (This creates a blank line.)
^Z<enter> (This saves the file.)
What now happens is after Quikbuf tries to load the second time, it inputs
the data from the file CR.IN. The file "CR.IN" now contains the keystroke
needed to cause the batch file to continue.
SOFTWARE INTERRUPTS USED BY QUIKBUF
QUIKBUF uses the following software interrupts:
■ INT 8 (Timer interrupt)
■ INT 5 (When pop-up is enabled)
■ INT 14 (When serial buffer is enabled)
■ INT 17 (When parallel buffer is enabled)
══════════════════════════════════════════════════════════════════════════════
End of file Intel FaxBack # 1064 December 2,1992