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i486DX2-66 - Intel
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Intel i486DX2-66
Intel 80486DX2 top.jpg
A80486DX2-66, S-Spec SX645
General Info
DesignerIntel
ManufacturerIntel
Model Numberi486DX2-66
Part NumberA80486DX2-66,
A80486DX2SA66,
MA80486DX2-66,
A80P24-66,
MQ80486DX2-66,
TQ80486DX266
S-SpecSK058, SK080, SX645, SX725, SX731, SX739, SX744, SX750, SX759, SX762, SX807, SX911, SX955, SYE36
Q0609 (QS), Q0618 (QS), Q0652 (QS)
IntroductionMarch 3, 1992 (launched)
ShopAmazon
General Specs
Family80486
Series486DX2
Frequency66 MHz
Bus typeFSB
Bus speed33 MHz
Bus rate33 MT/s
Clock multiplier2
CPUID433, 435, 436
Microarchitecture
Microarchitecture80486
Core Name486DX2
Process1 µm, 800 nm
TechnologyCMOS
Word Size32 bit
Cores1
Max Memory4 GiB
Multiprocessing
Max SMP1-Way (Uniprocessor)
Electrical
Power dissipation4.88 W
Vcore5 V ± 5%
OP Temperature0 °C – 85 °C

i486DX2-66 was a fourth-generation x86 microprocessor introduced by Intel in 1992. This chip, which is based on the 80486 microarchitecture, had a clock doubler operating at 66 MHz, twice the bus frequency. Like the original i486DX, this chip implemented the 80387 FPU on-die and incorporated System Management Mode (SMM).

Cache[edit]

Main article: 80486 § Cache
Cache Info [Edit Values]
L1$ 8 KiB
0.00781 MiB
8,192 B
7.629395e-6 GiB
1x8 KiB 4-way set associative (unified, write-through policy)

Graphics[edit]

This chip had no integrated graphics processing unit.

Features[edit]

Gallery[edit]

See also[edit]

Facts about "i486DX2-66 - Intel"
base frequency66 MHz (0.066 GHz, 66,000 kHz) +
bus rate33 MT/s (0.033 GT/s, 33,000 kT/s) +
bus speed33 MHz (0.033 GHz, 33,000 kHz) +
bus typeFSB +
clock multiplier2 +
core count1 +
core name486DX2 +
core voltage5 V (50 dV, 500 cV, 5,000 mV) +
core voltage tolerance5% +
cpuid433 +, 435 + and 436 +
designerIntel +
family80486 +
first launchedMarch 3, 1992 +
full page nameintel/80486/486dx2-66 +
instance ofmicroprocessor +
l1$ description4-way set associative +
l1$ size0.00781 MiB (8 KiB, 8,192 B, 7.629395e-6 GiB) +
ldateMarch 3, 1992 +
main imageFile:Intel 80486DX2 top.jpg +
main image captionA80486DX2-66, S-Spec SX645 +
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 numberi486DX2-66 +
nameIntel i486DX2-66 +
part numberA80486DX2-66 +, A80486DX2SA66 +, MA80486DX2-66 +, A80P24-66 +, MQ80486DX2-66 + and TQ80486DX266 +
power dissipation4.88 W (4,880 mW, 0.00654 hp, 0.00488 kW) +
process1,000 nm (1 μm, 0.001 mm) + and 800 nm (0.8 μm, 8.0e-4 mm) +
s-specSK058 +, SK080 +, SX645 +, SX725 +, SX731 +, SX739 +, SX744 +, SX750 +, SX759 +, SX762 +, SX807 +, SX911 +, SX955 + and SYE36 +
s-spec (qs)Q0609 +, Q0618 + and Q0652 +
series486DX2 +
smp max ways1 +
technologyCMOS +
word size32 bit (4 octets, 8 nibbles) +