AT&T 6300 Needs Driver for Date/Time Stamping

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Article ID: 75723 - View products that this article applies to.
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SUMMARY

After you install Microsoft MS-DOS 5.0 on an AT&T 6300, the machine will not display the correct date or time at startup. This problem occurs on the AT&T 6300 and AT&T 6300 WGS (Work Group System) machines, which are 8088/8086-microprocessor based.

Another problem that has been reported with the AT&T 6300 clock is that it will not read or display a 1992 date. This problem occurs because the calendar chip was designed to function only up to and including 1991. At the time the chip was developed, it was assumed customers would upgrade their computers before the 1992 calendar year.

MORE INFORMATION

If you have AT&T MS-DOS version 4.0 or 4.01, you will find ATTCLOCK.SYS on the original diagnostic disk. The file is not found on earlier releases of AT&T MS-DOS or releases from other OEMs. Once you locate the file, copy it to the root directory of the hard drive, and add the following line to your CONFIG.SYS file:
   device=c:\attclock.sys
				
After rebooting the machine, the time and date can be correctly set, and the machine will maintain correct time and date. The one exception to this solution is if you have an AT&T 6300 Plus and are using AT&T MS-DOS 3.3.

The device driver ATTCLOCK.SYS is available on CompuServe in the IBMHW forum, or from the AT&T bulletin board at (908) 769-6397.

The products included here are manufactured by vendors independent of Microsoft; we make no warranty, implied or otherwise, regarding these products' performance or reliability.

Properties

Article ID: 75723 - Last Review: October 7, 2013 - Revision: 3.0
APPLIES TO
  • Microsoft MS-DOS 5.0 Standard Edition
  • Microsoft MS-DOS 5.0a
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kbnosurvey kbarchive KB75723

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