NCR S26 - Manual (Page 116)

System Error Messages
B-4 Error Messages
System Error Messages
A system error message indicates a problem with the computer itself. A
message of this type normally appears during the power-on self-test, before
the operating system prompt appears.
The table below lists system error messages and the corresponding corrective
measures.
Table B-1. Error Messages
Message Action
CMOS battery error Replace the RTC chip or contact your dealer.
CMOS checksum error Check the RTC chip and the necessary jumper.
If the battery is still good, run Setup.
Display card mismatch Run Setup.
Diskette drive controller error
or not installed Check the control cable to the diskette controller.
Diskette drive error Diskette may be bad. If not, replace the diskette
drive or cable.
Diskette drive A type
mismatch Run Setup and select the proper drive type.
Diskette drive B type
mismatch Run Setup and select the proper drive type.
Equipment configuration error Modify the memory configuration to agree with
one of the options in the memory configuration
shown in Table 2-2.
Hard disk controller error Run Setup.
Hard disk 0 error Check all cable connections. Replace hard disk.
Hard disk 1 error Check all cable connections. Replace hard disk.
Keyboard error or no
keyboard connected Check and connect the keyboard to the system
unit.
Keyboard interface error Replace the keyboard or contact your dealer.