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i486DX-33 - Intel
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Intel i486DX-33
Ic-photo-intel-A80486DX-33-(486DX).png
A80486DX-33, S-Spec SX419
General Info
DesignerIntel
ManufacturerIntel
Model Numberi486DX-33
Part NumberA80486DX-33,
MA80486DX-33,
MG80486DX-33,
MQ80486DX-33,
KU80486DX-33,
SB80486DX-33
S-SpecSX329, SX412, SX419, SX666, SX668, SX729, SX767, SX810, SX829
Q0128 (QS), Q0364 (QS), Q0588 (QS)
IntroductionMay 7, 1990 (launched)
ShopAmazon
General Specs
Family80486
Series486DX
Frequency33 MHz
Bus typeFSB
Bus speed33 MHz
Bus rate33 MT/s
Clock multiplier1
CPUID402, 404, 414, 415
Microarchitecture
Microarchitecture80486
Core Name486DX
Process1 µm, 800 nm
Transistors1,200,000
TechnologyCMOS
Word Size32 bit
Cores1
Max Memory4 GiB
Multiprocessing
Max SMP1-Way (Uniprocessor)
Electrical
Power dissipation2.5 W
Vcore5 V ± 5%
OP Temperature0 °C – 85 °C

i486DX-33 was a fourth-generation x86 microprocessor introduced by Intel in 1990. This chip, which is based on the 80486 microarchitecture, operated at 33 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 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

See also

Facts about "i486DX-33 - Intel"
base frequency33 MHz (0.033 GHz, 33,000 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 multiplier1 +
core count1 +
core name486DX +
core voltage5 V (50 dV, 500 cV, 5,000 mV) +
core voltage tolerance5% +
cpuid402 +, 404 +, 414 + and 415 +
designerIntel +
family80486 +
first launchedMay 7, 1990 +
full page nameintel/80486/486dx-33 +
instance ofmicroprocessor +
l1$ description4-way set associative +
l1$ size8 KiB (8,192 B, 0.00781 MiB) +
ldateMay 7, 1990 +
main imageFile:Ic-photo-intel-A80486DX-33-(486DX).png +
main image captionA80486DX-33, S-Spec SX419 +
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-33 +
nameIntel i486DX-33 +
part numberA80486DX-33 +, MA80486DX-33 +, MG80486DX-33 +, MQ80486DX-33 +, KU80486DX-33 + and SB80486DX-33 +
power dissipation2.5 W (2,500 mW, 0.00335 hp, 0.0025 kW) +
process1,000 nm (1 μm, 0.001 mm) + and 800 nm (0.8 μm, 8.0e-4 mm) +
s-specSX329 +, SX412 +, SX419 +, SX666 +, SX668 +, SX729 +, SX767 +, SX810 + and SX829 +
s-spec (qs)Q0128 +, Q0364 + and Q0588 +
series486DX +
smp max ways1 +
technologyCMOS +
transistor count1,200,000 +
word size32 bit (4 octets, 8 nibbles) +