ISA
E35357
ISA (Industry Standard Architecture) is an early computer bus standard used in IBM PCs and compatible systems to connect expansion cards and peripherals to the motherboard.
All labels observed (2)
| Label | Occurrences |
|---|---|
| ISA canonical | 8 |
| ISA (via bridgeboard) | 1 |
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf |
computer bus standard
ⓘ
expansion bus ⓘ |
| abbreviationOf | Industry Standard Architecture ⓘ |
| addressBusWidth | 24-bit ⓘ |
| architecture | parallel bus ⓘ |
| backwardCompatibleWith | 8-bit IBM PC bus ⓘ |
| busWidth |
16-bit
ⓘ
8-bit ⓘ |
| category | legacy expansion bus ⓘ |
| clockSpeed |
4.77 MHz
ⓘ
8 MHz ⓘ |
| compatibilityGoal | industry-wide standard for PC expansion ⓘ |
| connects |
expansion cards
ⓘ
motherboard ⓘ peripherals ⓘ |
| dataBusWidth |
16-bit
ⓘ
8-bit ⓘ |
| derivedFrom |
Intel 8088
ⓘ
surface form:
Intel 8088 bus
|
| designedFor |
x86
ⓘ
surface form:
x86 architecture
|
| dominantPeriod |
1980s
ⓘ
early 1990s ⓘ |
| formFactor | long expansion slot ⓘ |
| fullName | Industry Standard Architecture ⓘ |
| introducedBy | IBM ⓘ |
| introducedIn | 1981 ⓘ |
| powerProvidedThrough | bus connector ⓘ |
| replacedBy |
EISA
ⓘ
PCI Express ⓘ
surface form:
PCI
VESA Local Bus ⓘ |
| slotType | edge connector ⓘ |
| standardizedAs | de facto PC industry standard ⓘ |
| supports |
DMA channels
ⓘ
add-on cards ⓘ interrupt lines ⓘ memory-mapped I/O ⓘ modems ⓘ network interface cards ⓘ port-mapped I/O ⓘ sound cards ⓘ storage controllers ⓘ |
| usedFor |
connecting internal peripherals
ⓘ
system expansion in early PCs ⓘ |
| usedIn |
IBM PC
ⓘ
IBM PC AT ⓘ IBM PC XT ⓘ IBM PC compatible ⓘ |
Referenced by (9)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
ISA (via bridgeboard)