Filter
Top Products
Introduction
R
12 Intel
®
82845 MCH for SDR Datasheet
Term Description
GART Graphics Aperture Re-map Table. This table contains the page re-map information used
during AGP aperture address translations.
GTLB Graphics Translation Look-aside Buffer. A cache used to store frequently used GART
entries.
UP Uni-Processor.
DBI Dynamic Bus inversion.
MSI Message Signaled Interrupts. MSIs allow a device to request interrupt service via a
standard memory write transaction instead of through a hardware signal.
IPI Inter Processor Interrupt.
SDR Single Data-Rate SDRAM memory.
Table 2. Data Type Notation
Data Type Size
bit (b) Smallest unit, 0 or 1
byte 8 bits
word 16 bits = 2 bytes
DWord (DW) Doubleword: 32 bits = 4 bytes
QWord (QW) Quadword: 8 bytes = 4 words
DQWord (DQW) Double Quadword. 16 bytes or 8 words. This is sometimes
referred to as a Superword (SW or SWord), and is also
referred to as a “Cache Line”.
Kilobyte (KB) 1024 bytes
Megabit (Mb) 1, 048,576 bits = 128 KB
Megabyte (MB) 1,048,576 bytes = 1024 KB
Gigabit (Gb) 1024 Mb
Gigabyte (GB) 1024 MB
Table 3. Number Format Notation
Number Format Notation Example
Decimal (default) 14
Binary b 1110b
Hex h 0Eh