Read Sharp AR-285 (serv.man11) Service Manual online
J. Simple ROM write function
(1) Turn off the power switch and remove the cabinet.
Remove the rear cabinet, the flywheel, and the shield line guide.
Remove the glass holding plate right, the table glass, and the
dark box cover.
Remove the glass holding plate right, the table glass, and the
dark box cover.
(2) Connect the SCSI connector for the printer board of the ICU
PWB and the personal computer with the SCSI cable. (Max.
cable length 1m)
cable length 1m)
Operating environment
Personal computer operating on Windows95 (Desk-top/Note)
SCSI host adapter supporting ASPI
SCSI host adapter supporting ASPI
This function is ensured with the following SCSI host adapters:
PCI:
•
AHA-2940 made by ADAPTEC
•
AHA-2910B made by ADAPTEC
PCMCIA:
•
APA-1460 mace by ADAPTEC
CardBufs:
•
APA-1480 made by ADAPTEC
ISA:
•
AHA-1520B made by ADAPTEC
•
AHA-1510B made by ADAPTEC
(3) Install the flash ROM PWB which writes into the flash ROM
socket of the ICU PWB.
For ICU: 8Mbit
×
2
For PCU: 8Mbit
×
1
For OPE: 16Mbit
×
1
For FAX: 8Mbit
×
1
(4) Turn on the power switch of Cougar.
(5) Turn on the personal computer.
(6) When the computer is turned on, the SCSI host adapter recog-
nizes Cougar as an SCSI unit. and "SHARP AR-XXXX" is dis-
played on the personal computer display.
played on the personal computer display.
(7) The following software and the data files which are to be written
into the flash ROM should be copied in a same directory.
•
Flash ROM writing program: FLASH.EXE (DOS program)
•
ICU program file:
ICU_V100.MOT
(The file names are
not determined yet.)
not determined yet.)
•
PCU program file:
PCU_V100.MOT
•
OPE program file:
OPE_V100.MOT
•
FAX program file:
FAX_V100.MOT
(8) When FLASH.EXE is executed, the DOW window opens to dis-
play the following message.
<<< FLASH ROM DOWNLOAD PROGRAM V1.00 >>>
1. ICU
2. OPE
3. PCU
2. OPE
3. PCU
( 8MBit
×
2)
(16MBit
×
1)
( 8MBit
×
1)
SPECIFY FLASH ROM TO WRITE (1, 2, 3): _
(9) Enter the kind of flash ROM to be written and press the enter
key, and the following message is displayed.
XXX FLASH ROM WRITING
MICRO CODE FILE NAME: _____
(10) Enter the program file name of the flash ROM to be written and
press the enter key, and the following message is displayed.
DOWNLOADING MICRO CODE (XXX VX.XX)
(xxxx bytes/xxxx bytes)
(xxxx bytes/xxxx bytes)
(11) After a while, the following message is displayed.
MICRO CODE WRITING
(12) After a while, the following message is displayed.
MICRO CODE WRITING COMPLETED. TURN OFF POWER
AND REMOVE FLASH ROM.
REWRITE FLASH ROM LABEL TO VX.XX.
AND REMOVE FLASH ROM.
REWRITE FLASH ROM LABEL TO VX.XX.
TO WRITE NEXT FLASH ROM, TURN OFF POWER,
INSTALL NEXT FLASH ROM, TURN ON POWER, AND
EXECUTE THE PROGRAM AGAIN.
INSTALL NEXT FLASH ROM, TURN ON POWER, AND
EXECUTE THE PROGRAM AGAIN.
(13) With the above operation, writing into the flash ROM is com-
pleted. Turn off the power switch and remove the flash ROM.
(14) For writing another flash ROM, install another flash ROM with
the power switch OFF, then turn of the power switch and pro-
ceed operations from (7). In this case, the personal computer
power may be kept ON.
ceed operations from (7). In this case, the personal computer
power may be kept ON.
SCSI board
SCSI
connector
Flash memory
(for ROM writing)
Flash memory
(for writing)
ICU-integrated PWB for S Cougar
SCSI
connector
AR-335
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