Sharp MZ-3500 User Manual download pdf (Page 88)

M'Z ?50C

Type of error

(1) MDF 1/F error

ON OFF

Isec. '•sec.

(2,' SDO read/write error -

CD SDO bank alternation error

® AD3 bank alternation error

® ROM sum-check error

® Option RAM read/write error

(Indicated even when the option RAM is not in use)

^ Option RAM bank alternation error

NOTES:

1. The MFD l/F will not be tested, if there is no MFD l/F

connected or when the diskette was not inserted in the

slot of the drive unit No.2.

2. ROM test will not be performed, unless it is a ROM

based machine.

2) Loacing check program

The test program is loaded from the specified track and

sector to start executing the test.

[Procedure]

(1) Set dip switches on of the 4 bit unit located in middle

of the front side of the board as illustrated at the right.

' No. 1

3 4

POSITION

OFF

ON ON

)

,2) Set dip switches on of the 2 bit unit located on the

front side of the board.

(3) Insert the media into a slot of any diskette drive unit.

(4) Turn the power on

(5) Load the program from the specified track and sector,

to start execution of the test program.

[Conditions required for the drive unit and media]

(1) Use the FD-55B for the diskette drive unit.

(2) Program may exist in any sector of any track, provided

that it is written in continuous sector within a same

track.

(Max. 256 bytes x 16 sectors = 4K bytes)

(3) Data descrived next should have been written on

Sector 1 of Track 0.

(4) Program loading address must be 4800H and higher

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Sharp MZ-3500 User Manual Page 88

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