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

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'''i486DX-25''' was a fourth-generation [[x86]] [[microprocessor]] introduced by [[Intel]] in 1989. This chip, which is based on the {{intel|microarchitectures/80486|80486 microarchitecture}}, operated at 25 MHz. This chip implemented the {{intel|80387}} [[FPU]] on-die and incorporated {{intel|System Management Mode}} (SMM).
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== Cache ==
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{{main|intel/microarchitectures/80486#Memory_Hierarchy|l1=80486 § Cache}}
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{{cache info
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|l1 cache=8 KB
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|l1 break=1x8 KB
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|l1 desc=4-way set associative
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|l1 extra=(unified, write-through policy )
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}}
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== Graphics ==
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This chip had no integrated graphics processing unit.
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== Features ==
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* {{intel|System Management Mode}} (SMM)
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== See also ==
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* {{intel|80486|80486 family}}

Revision as of 14:57, 11 May 2016

Template:mpu i486DX-25 was a fourth-generation x86 microprocessor introduced by Intel in 1989. This chip, which is based on the 80486 microarchitecture, operated at 25 MHz. This chip implemented the 80387 FPU on-die and incorporated System Management Mode (SMM).

Cache

Main article: 80486 § Cache
Cache Info [Edit Values]
L1$ 8 KB
"KB" is not declared as a valid unit of measurement for this property.
 		1x8 KB 4-way set associative (unified, write-through policy )

Graphics

This chip had no integrated graphics processing unit.

Features

See also

Retrieved from "https://en.wikichip.org/w/index.php?title=intel/80486/486dx-25&oldid=18468"
Facts about "i486DX-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 name486DX +
core voltage5 V (50 dV, 500 cV, 5,000 mV) +
core voltage tolerance5% +
cpuid401 +, 402 + and 404 +
designerIntel +
family80486 +
first launchedJune 1989 +
full page nameintel/80486/486dx-25 +
instance ofmicroprocessor +
l1$ description4-way set associative +
l1$ size8 KiB (8,192 B, 0.00781 MiB) +
ldateJune 1989 +
main imageFile:Intel i486 DX 25MHz SX328.jpg +
main image captionA80486DX-25, S-Spec SX328 +
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 numberi486DX-25 +
nameIntel i486DX-25 +
part numberA80486-25 +, A80486DX-25 +, MA80486DX-25 +, MG80486DX-25 + and MQ80486DX-25 +
power dissipation2.75 W (2,750 mW, 0.00369 hp, 0.00275 kW) +
process1,000 nm (1 μm, 0.001 mm) + and 800 nm (0.8 μm, 8.0e-4 mm) +
s-specSX250 +, SX300 +, SX308 +, SX328 +, SX418 +, SX493 + and SX728 +
s-spec (qs)Q0143 +
series486DX +
smp max ways1 +
technologyCMOS +
transistor count1,200,000 +
word size32 bit (4 octets, 8 nibbles) +