Gem Vdi Error Messages
Command line syntax error
Description: The GEM VDI command line includes an illegal character, path, or drive id.
Solution: Check for conformance to your operating system's conventions for specifying command lines. Reenter the command line after correcting illegal entries.
Unable to find ASSIGN.SYS
Description: This message appears when GEM VDI is unable to find the ASSIGN.SYS file in the specified location.
Solution: Locate the ASSIGN.SYS file, checking drives and specific directories and subdirectories. Reenter the command with the correct location.
Error reading ASSIGN.SYS
Description: The format of the ASSIGN.SYS file is incorrect. GEM VDI cannot use the file.
Solution: Refer to Appendix B for the correct format for the ASSIGN.SYS file.
Memory table corrupted
Description: This message appears when memory is corrupted.
Solution: Reboot your system.
Insufficient memory
Description: This message appears when you try to reserve memory and not enough memory exists for allocation.
Solution: If your system has adequate memory to run GEM VDI, reboot your system.
Invalid memory block address
Description: This message occurs when the memory is corrupted.
Solution: Reboot the system.
Drive specification not allowed in ASSIGN.SYS
Description: This error appears when you specify a drive id in the ASSIGN.SYS file, which is illegal.
Solution: Remove the drive id from the file with your text editor. Refer to Appendix B for the correct format of an ASSIGN.SYS file.
Illegal device id in ASSIGN.SYS
Description: This error appears when the device id number is greater than 32767 or an alphanumeric string, for example 12D4.
Solution: Refer to Table 1-1 in Section 1 for the correct numbers to assign to devices, and correct the ASSIGN.SYS file with your text editor.
Partial record found in ASSIGN.SYS
Description: This error appears when a partial ASSIGN.SYS entry exists.
Solution: Check your ASSIGN.SYS file for incomplete device id numbers or filenames. Refer to Appendix B for the correct ASSIGN.SYS file format.
Invalid filename encountered in ASSIGN.SYS
Description: This error appears when a filename in the ASSIGN.SYS file is too long or contains illegal characters.
Solution: Refer to Appendix B for the ASSIGN.SYS file-naming conventions.
Requested path not found
Description: This message appears when GEM VDI does not find the requested path specifying the locations of the device drivers.
Solution: Respecify the path with the correct path name.
ASSIGN.SYS file is empty
Description: This message appears when GEM VDI finds an empty ASSIGN.SYS file.
Solution: Enter the necessary information with your text editor. Refer to Appendix B for the necessary ASSIGN.SYS file contents.
Driver file not found
Description: GEM VDI cannot find the first driver specified in the ASSIGN.SYS file.
Solution: Make sure that the driver is in the specified drive, in the correct directory, and in the correct subdirectory.
Corrupted driver file
Description: GEM VDI finds the device driver, but is unable to use it.
Solution: Use your distribution disk to make another copy of the device driver. Try to use the new copy. Contact your dealer if the device driver is unusable.
End of Appendix A
Appendix B ASSIGN.SYS FILE
REQUIREMENTS The ASSIGN.SYS file is parsed by the GDOS to create the assignment table. The assignment table resides in memory and is referenced when the application makes an Open Workstation call. The information required by the ASSIGN.SYS includes the device id number and the device driver filename and corresponding faces.
Device Id Numbers Table B-l. Device Id Numbers
|
Type |
Number | |
|
Monitor |
1 |
-10 |
|
Plotter |
11 |
-20 |
|
Printer |
21 |
-30 |
|
Metafile |
31 |
-40 |
|
Camera |
41 |
-50 |
|
Tablet |
51 |
-60 |
Device Driver The device driver filenames follow specific
Filename naming conventions:
o They must have eight or fewer characters, o The first character must be alphabetic, o The file extension must be .SYS.
FORMAT Figure B-l shows the ASSIGN.SYS file format:
Device Driver Face
Id Filename Name
01 SCREEN.SYS FACE1.FNT
Figure B-l. ASSIGN.SYS File Format
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