Epson I+ - Manual (Page 133)

Clock and CMOS RAM Check
When the system device check is completed successfully, the computer
checks the timer and CMOS RAM. If the information contained in the
RAM does not match the actual system installation, you see this message:
161-System options not set
(Run SETUP in DIAGNOSTICS)
The information stored in the CMOS RAM must be corrected. Run the
Setup program provided on the diagnostics diskette to correct the installa-
tion information.
If the system clock has not been set, this message is displayed:
163-Time & Date not set
(Run SETUP in DIAGNOSTICS)
RAM Check
The computer now begins to check the RAM installed in both the main
board and option cards. During this check, this message is displayed:
xxx KB OK
where
XXX
indicates the amount of memory in which no malfunction is
found. This value increases continuously by 64KB up to the amount of
RAM installed on the main board, which is 640KB. If the computer detects
an error in the first 64KB area, an error message is displayed and the com-
puter halts with no further information.
If there are faulty RAM chips in your system, you see this message:
xxxx0 201-Memory error
Keyboard Controller and Keyboard Check
The computer checks the keyboard controller and keyboard for prob-
lems such as failure of one of the keys to release. If there are any errors in the
connection between the keyboard and the computer, this error message is
displayed:
301-Keyboard error
When a number (
XX
) precedes this message, the number represents the key
(in hexadecimal) that is causing the error. This message may occur after a
keyboard reset
(Ctrl Alt Del) and does not necessarily indicate a problem.
B-2