Acer ACER Z320, Service Manual

Page: 99 / 114

94
 The week with the year’s first
Thursday in it (the formal ISO definition),

The week with 4
th
January in it,

The first week with the majority (four or more) of its days in the starting year,
and

The week starting with the Monday in the period 29 December
–
4 January.

If first January is on a Monday, Tuesday, Wednesday or Thursday, it is in
week 01 . If first January is on a Friday, Saturday or Sunday, it is in week 52
or 53 of the previous year. 28
th
December is always in the last week of its
year.
— Sunday 1 January 1995 is identified by the calendar date
[1995-01-01] and week date [1994-W52-7]
— Tuesday 31 December 1996 is identified by the calendar date
[1996-31-12] and week date [1997-W01-2]
SSSSS : 5 unique hexadecimal codes, by manufacturer/factory/product base, start
form 00001 and reset every week.

Hexadecimal numeral system uses 16 digits, they are 0~9 , A , B , C , D , E
and F .

Maintain one and only one counter to generate sequence numbers at a
manufacture site in different factory (Factory1/Factory2) and different
product (NB,/Tablet/SHH) that with a unique MM code.

First digit of SSSSS cannot be F , so the maximum value of SSSSS is Hex
( EFFFF ) = 983039 .