Epson Equity II Product Support Bulletin page 43

EPSON
EPSON AMERICA INC.
SERVICE DEPARTMENT
PRODUCT SUPPORT BULLETIN
DATE: 3/2/88
SUBJECT: LEAP YEAR / MS-DOS 3.1 DATE CHANGE
This bulletin
version 3.1
III personal
On March 1,
change correctly
may have guessed, MS-DOS 3.1 did not handle the February 29th
"leap day" change
Both the
Clock/Calendar with CMOS RAM to retain the date and time after
it is set with the SETUP utility program. Even though
has the correct date
(03-Ol-1988),
The easiest
date in the RTC's CMOS RAM one day ahead as follows:
1. Run the "SETUP"
2. Select
3. Set the DATE to the current date + one.
4. EXIT to save the new date.
5. Re-boot the system!
When MS-DOS 3.1 retrieves the date
the extra day
operation.
This problem does not exist with MS-DOS version 3.2 should the
customer decide
describes a
which was supplied
computers.
1988 we discovered
to 3-1-1988,
correctly.
Equity II and
DOS interprets
method of correcting
utility
REAL-TIME
and will
to upgrade.
problem identified
with the
that the system date did not
but indicated
Equity
III
it as 02-29-1988.
this
program.
CLOCK.
from the
display
the correct
Page 1 of 1
NUMBER:
in Epson's
Equity II and Equity
2-29-1988.
use a Real
the RTC
anomaly is to set the
RTC it subtracts
date for
S-0037
MS-DOS
As you
Time
system