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Difference between revisions of "intel/80486/486sx-25"
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{{intel title|i486SX-25}}
 
{{intel title|i486SX-25}}
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{{chip
 
| name                = Intel i486SX-25
 
| name                = Intel i486SX-25
 
| image              = Intel 486 sx 25 MHz Prozessor.jpg
 
| image              = Intel 486 sx 25 MHz Prozessor.jpg
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| max memory          = 4 GiB
 
| max memory          = 4 GiB
  
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| electrical          = Yes
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| power              = 2.2 W
 
| power              = 2.2 W
 
| v core              = 5 V
 
| v core              = 5 V

Latest revision as of 15:14, 13 December 2017

Edit Values
Intel i486SX-25
Intel 486 sx 25 MHz Prozessor.jpg
A80486SX-25, S-Spec SX679
General Info
DesignerIntel
ManufacturerIntel
Model Numberi486SX-25
Part NumberA80486SX-25,
KU80486SX-25,
SB80486SX-25,
FA80486SX-25
S-SpecSX411, SX468, SX514, SX586, SX673, SX676, SX683, SX763, SX779, SX788, SX792, SX800, SX852, SX934, SX679, SX693, SX719, SX790, SX798, SX826, SX838, SX846, SX903, SX930
Q0152 (QS), Q0186 (QS)
IntroductionSeptember 16, 1991 (launched)
ShopAmazon
General Specs
Family80486
Series486SX
Frequency25 MHz
Bus typeFSB
Bus speed25 MHz
Bus rate25 MT/s
Clock multiplier1
CPUID420, 422, 423, 427, 428, 42A
Microarchitecture
Microarchitecture80486
Core Name486SX
Process1 µm, 800 nm
Transistors1,185,000
TechnologyCMOS
Word Size32 bit
Cores1
Max Memory4 GiB
Multiprocessing
Max SMP1-Way (Uniprocessor)
Electrical
Power dissipation2.2 W
Vcore5 V ± 5%
OP Temperature0 °C – 85 °C

i486SX-25 was a fourth-generation x86 microprocessor introduced by Intel in 1991. This chip, which is based on the 80486 microarchitecture, operated at 25 MHz. In contrast to the i486DX chips, the i486SX line had no functional FPU on-die.

Cache[edit]

Main article: 80486 § Cache
Cache Info [Edit Values]
L1$ 8 KiB
8,192 B
0.00781 MiB
1x8 KiB 4-way set associative (unified, write-through policy)

Graphics[edit]

This chip had no integrated graphics processing unit.

Features[edit]

Gallery[edit]

  • A80486SX-25, S-Spec SX798

  • A80486SX-25, S-Spec SX679

  • A80486SX-25, S-Spec SX673

See also[edit]

Retrieved from "https://en.wikichip.org/w/index.php?title=intel/80486/486sx-25&oldid=70373"
Facts about "i486SX-25 - Intel"
RDF feed
base frequency25 MHz (0.025 GHz, 25,000 kHz) +
bus rate25 MT/s (0.025 GT/s, 25,000 kT/s) +
bus speed25 MHz (0.025 GHz, 25,000 kHz) +
bus typeFSB +
clock multiplier1 +
core count1 +
core name486SX +
core voltage5 V (50 dV, 500 cV, 5,000 mV) +
core voltage tolerance5% +
cpuid420 +, 422 +, 423 +, 427 +, 428 + and 42A +
designerIntel +
family80486 +
first launchedSeptember 16, 1991 +
full page nameintel/80486/486sx-25 +
instance ofmicroprocessor +
l1$ description4-way set associative +
l1$ size8 KiB (8,192 B, 0.00781 MiB) +
ldateSeptember 16, 1991 +
main imageFile:Intel 486 sx 25 MHz Prozessor.jpg +
main image captionA80486SX-25, S-Spec SX679 +
manufacturerIntel +
max cpu count1 +
max memory4,096 MiB (4,194,304 KiB, 4,294,967,296 B, 4 GiB, 0.00391 TiB) +
max operating temperature85 °C +
microarchitecture80486 +
min operating temperature0 °C +
model numberi486SX-25 +
nameIntel i486SX-25 +
part numberA80486SX-25 +, KU80486SX-25 +, SB80486SX-25 + and FA80486SX-25 +
power dissipation2.2 W (2,200 mW, 0.00295 hp, 0.0022 kW) +
process1,000 nm (1 μm, 0.001 mm) + and 800 nm (0.8 μm, 8.0e-4 mm) +
s-specSX411 +, SX468 +, SX514 +, SX586 +, SX673 +, SX676 +, SX683 +, SX763 +, SX779 +, SX788 +, SX792 +, SX800 +, SX852 +, SX934 +, SX679 +, SX693 +, SX719 +, SX790 +, SX798 +, SX826 +, SX838 +, SX846 +, SX903 + and SX930 +
s-spec (qs)Q0152 + and Q0186 +
series486SX +
smp max ways1 +
technologyCMOS +
transistor count1,185,000 +
word size32 bit (4 octets, 8 nibbles) +