Table of Contents
Advertisement
2-EACH CHECK: Entering this selection allows you to display EACH CHECK MENU on the
screen. In this mode, you can check any of each items as indicated below:
EACH CHECK MENU
O-RAM R/W CHECK
I-KEYBOARD CHECK
2-DISK R/W CHECK
2-CRT CHECK
4-PRINTER CHECK
5-RETURN TO MAIN MENU
Select the number in this menu.
• RAM RIW TEST
Description: The computer writes one word data to the specified RAM area and then reads it.
If the read data is the same as the written data, the computer changes the pattern of one word
data. the patterns of one word data are FFFF, AA55 and 55AA. The specified RAM area is 03500
to the address determined by the DIP switch on the main P.C.B.
Error Message: If an error occurs, following message will appear:
segment
- XXX X
(Number of address where an error was occurred.)
offset
- YYYY
(Number of address where an error was occurred.)
write data - ZZZZ
(Previously written data)
read data - WWWW (Read data)
Press any key to exit.
When this check is completed successfully, the message:
Memory read/write check OK !
Press any key to exit.
To exit this test: Pressing any key returns the screen to EACH CHECK Menu.
• KEYBOARD CHECK
Description: As shown in the figure below, the configuration of the keyboard consisted of a squares
on the screen. These squares will changes to the respective characters as you press each key.
1 2
[
1 2 3 4 5 6 7
8
9 8 -
t-
S
"
3 4
It
Q II
[
R I
Y U
0 P
I
U
.
,
5 6 C
A
S D
r
C H J I L
,
- I
t-
-+
t
,
I
I
[
7 8 t
\
Z
X C
U
B
" "
,
9 8
A
S
C
D
Pl'fss
an~
Itt!!
to
displily tilt charlctfr.
o
I£
all is Olt tlltn pnss lY1 iRd (OttER] bg.
I£
NO. t1M!n "] and (OttER] ItfY.
o
124
Advertisement
Chapters
Table of Contents
