Intel 21555 - Manual (Page 12)

12 21555 Non-Transparent PCI-to-PCI Bridge User Manual
Preface
1.1 Cautions and Notes
Caution: Cautions provide information to prevent damage to equipment or loss of data.
Note: Notes emphasize particularly important information.
1.2 Data Units
This manual uses the following data-unit terminology.
1.3 Numbering
All numbers are decimal unless appended with a radix specifier.
• “h” is the hexadecimal radix.
• “b” is the binary radix.
A range of (numbers, bits, bytes, addresses and so on) within a larger group of numbers is specified with colon (:).
The range may be enclosed in [square brackets] as well.
• The left number is upper limit of the range.
• The right number is the lower limit of the range.
For example: Primary byte offset: 13:10h.
Term Words Bytes Bits
Byte ½ 1 8
Word 1 2 16
Dword 2 4 32
Quadword 4 8 64