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i486SX-16 - Intel
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Intel i486SX-16
General Info
DesignerIntel
ManufacturerIntel
Model Numberi486SX-16
Part NumberA80486SX-16,
KU80486SX-16
S-SpecSX431, SX540, SX545, SX548, SX677, SX671
IntroductionApril 22, 1991 (launched)
ShopAmazon
General Specs
Family80486
Series486SX
Frequency16 MHz
Bus typeFSB
Bus speed16 MHz
Bus rate16 MT/s
Clock multiplier1
CPUID420
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 dissipation1.7 W
Vcore5 V ± 5%
OP Temperature0 °C – 85 °C

i486SX-16 was a fourth-generation x86 microprocessor introduced by Intel in 1991. This chip, which is based on the 80486 microarchitecture, operated at 16 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
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]

See also[edit]

Facts about "i486SX-16 - Intel"
base frequency16 MHz (0.016 GHz, 16,000 kHz) +
bus rate16 MT/s (0.016 GT/s, 16,000 kT/s) +
bus speed16 MHz (0.016 GHz, 16,000 kHz) +
bus typeFSB +
clock multiplier1 +
core count1 +
core name486SX +
core voltage5 V (50 dV, 500 cV, 5,000 mV) +
core voltage tolerance5% +
cpuid420 +
designerIntel +
family80486 +
first launchedApril 22, 1991 +
full page nameintel/80486/486sx-16 +
instance ofmicroprocessor +
l1$ description4-way set associative +
l1$ size0.00781 MiB (8 KiB, 8,192 B, 7.629395e-6 GiB) +
ldateApril 22, 1991 +
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-16 +
nameIntel i486SX-16 +
part numberA80486SX-16 + and KU80486SX-16 +
power dissipation1.7 W (1,700 mW, 0.00228 hp, 0.0017 kW) +
process1,000 nm (1 μm, 0.001 mm) + and 800 nm (0.8 μm, 8.0e-4 mm) +
s-specSX431 +, SX540 +, SX545 +, SX548 +, SX677 + and SX671 +
series486SX +
smp max ways1 +
technologyCMOS +
transistor count1,185,000 +
word size32 bit (4 octets, 8 nibbles) +