Sharp MZ-5500 User Manual

17-3-2 Error message display
Table 47
Message Meaning
ERROR 00 Stack area cannot be reserved (Note 1 )
ERROR 01
Data bus error (Note 2)
ERROR 02 BHE or AO error.
ERROR 03
Hardware error such as address line
short circuit (Note 3).
Hardware error such as discontinuity of
ERROR 04
address line, or a short circuit to the
supply or other signal line (Note 3l.
ERROR 05
RAM error (read/write error) (Note 4).
ERROR 06 DMAC error.
ERROR 07 Written data was lost.
ERROR
08
High order ROM error.
ERROR 09 Low order ROM error.
ERROR 10 MFD reads or writes wrong data.
ERROR 11
M F D protect error.
ERROR 12
MFDoread/write error.
ERROR13
Hardware error.
17-3-3 Other error messages
Table 48
Message
Meaning
"Beep"
count
10
1
1
1
1
1
1
1
2
2
3
3
3
3
*Numeral identified by an asterisk
*
*
(*) is not correct (A 16 is rep re-
FEDCBA9876543210
sented by 0 l.
30000H
Error address on memory.
17-3-4 RAM capacity message
Table 49
Message
Meaning
Presently existing RAM capacity (if the
128KB
displayed value does not agree with the
(128KB, 256KB, or
actual capacity, the RAM is defective or
512KB)
an error exists on address lines A 18 or
A19.
Note 1. If this message appears, check execution will be
aborted.
Note 2. Also displays the data bus on which the error
occurred (see Fig. 6).
Note 3. Also displays the address line on which the error
occurred (A
16-A 1) (see Fig. 7).
Note 4. Displays the error bit (F-O), along with the address
(OOOOOH-70000H) (see fig. 4).
* *
FEDCBA9876543210 - (D15-DO)
ERROR 01
Fig.6 Error 01 Message
* *
FEDCBA9876543210 _(A16-A1)
ERROR 03
'Or04
Fig. 7 Error 03 or 04 Message
-85-

Sharp MZ-5500 Specifications

General

Brand	Sharp
Model	MZ-5500
Category	Desktop
Language	English