User guide

Output of MS-DOS system error messages
MS-DOS system e rror messages
All system error messages are displayed on the cashier display or
monitor. The messages are on two lines, as shown below:
The individual entries have the following meanings:
M Reserved
e MS-DOS error No. 0..C HEX
l Indicates where error occurred
0 Reserved sector (MS-DOS area)
1 File Allocation Table (FAT)
2 Directory
3 Data area
ooooo “Read” or “write” operation
dddddddd Block device driver:
Drive, e.g. “C: ”
Character device driver:
Name, e.g. “COM1 ”
mmm...mmm Message text:
e.g. “Write protect error”
If such an error message appears, acknowledge
it by pressing the C key on the POS keyboard.
The operating system then repeats the previous
message.
M el ooooo dddddddd
mmmmmmmmmmmmmmmmm
MS-DOS system error messages
GB - 85