Ich suche die Systemdisketten für einen Sharp PC-7200. Wenn jemand sowas hätte, wäre ich ziemlich dankbar.
MFG
Sharp PC-7200
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Jens1976 -
18. März 2010 um 21:42 -
Erledigt
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Hier ist eine Anleitung für das Problem (von Bitte melde dich an, um diesen Link zu sehen.
ZitatAlles anzeigenI have a Sharp PC-7221 that had the same problem and the "fix" is pretty simple. I believe the problem is that the CMOS BIOS needs to be refreshed...perhaps due to a low battery, or just due to a long period of inactivity. You will need to get/use a copy of the old IBM 286AT Setup Diagnostics disk that can be obtained from most DOS FTP download sources. I believe I got mine from an old DOS Utility CDROM loaded with all kinds of old DOS utility files. I have used that Setup disk on a number of older 286 computers...works OK! Mine is on a 360Kb 5-1/4" Floppy Disk.
The IBM 286AT Setup Diagnostics Disk is a bootable disk, thus using it is easy....as follows:
1. Insert the IBM 286AT Setup Diagnostics Disk into the Sharp PC-7200 or PC-7221 A: Floppy Drive.
2. Turn the Sharp PC-7200/7221 Power switch ON...the computer will boot the Setup disk and the IBM Setup Diagnostics menu will appear on screen.
4. To perform the CMOS BIOS setup, key in the number 4 and then press the ENTER/RETURN key....this will start the Setup process.
5. Set the DATE...the TIME...etc and at the Systems summary screen, review the items that the Diagnostics Disk utility has found. If you disagree with any item on the summary, key in N and press the ENTER key to go individually thru each summary item.
NOTE: The BIOS allows 4 kinds of Floppy Drives...360Kb, 1.2Mb, 720Kb, 1.44Mb....and, ofcourse NONE. The PC-7200/7221 normally uses a 1.2Mb Floppy Disk.
6. If you agree with the summary listing found, key in Y and press the ENTER/RETURN key...the screen will pause actions.
7. Remove the IBM 286AT Setup Diagnostics disk from the A: drive and press the ENTER key [as prompted]...this will cause the computer to reboot.
If all is correct, the Sharp PC-7200/7221 will boot to the C: prompt without any screen error messages. From the C: prompt, you can test the functioning of the A: Floppy Drive by returning the IBM 286AT disk into the drive and keying in the DOS command DIR A:\ ....and a directory listing of the floppy disk should appear on screen....and your computer is now functional.
Sorry for the long post.....HTH.....John