
Introduction
R
Term | Description |
|
|
GART | Graphics Aperture |
| during AGP aperture address translations. |
|
|
GTLB | Graphics Translation |
| entries. |
|
|
UP | |
|
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DBI | Dynamic Bus inversion. |
|
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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 |
|
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Table 2. Data Type Notation
Data Type | Size |
|
|
bit (b) | Smallest unit, 0 or 1 |
|
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byte | 8 bits |
|
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word | 16 bits = 2 bytes |
|
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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 |
|
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Megabyte (MB) | 1,048,576 bytes = 1024 KB |
|
|
Gigabit (Gb) | 1024 Mb |
|
|
Gigabyte (GB) | 1024 MB |
|
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Table 3. Number Format Notation
Number Format | Notation | Example |
|
|
|
Decimal (default) |
| 14 |
|
|
|
Binary | b | 1110b |
|
|
|
Hex | h | 0Eh |
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12 | Intel® 82845 MCH for SDR Datasheet |