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Difference between revisions of "intel/80486/486sx-25"
< intel‎ | 80486

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{{cache info
 
{{cache info
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|l1 cache=8 KB
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|l1 cache=8 KiB
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|l1 break=1x8 KB
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|l1 break=1x8 KiB
 
|l1 desc=4-way set associative
 
|l1 desc=4-way set associative
 
|l1 extra=(unified, write-through policy)
 
|l1 extra=(unified, write-through policy)

Revision as of 21:57, 20 September 2016

Template:mpu 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

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

This chip had no integrated graphics processing unit.

Features

Gallery

  • A80486SX-25, S-Spec SX798

  • A80486SX-25, S-Spec SX679

  • A80486SX-25, S-Spec SX673

See also

Retrieved from "https://en.wikichip.org/w/index.php?title=intel/80486/486sx-25&oldid=25467"
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) +