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{{intel title|i486SL-20}}
 
{{intel title|i486SL-20}}
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{{chip
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{{mpu
 
| name                = Intel i486SL-20
 
| name                = Intel i486SL-20
 
| no image            = Yes
 
| no image            = Yes
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| core count          = 1
 
| core count          = 1
 
| max cpus            = 1
 
| max cpus            = 1
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| max memory          = 4 GiB
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| max memory          = 4 GB
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| electrical          = Yes
 
| power              =  
 
| power              =  
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| v core              = 3.3 V
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| v core              = 5 V
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| v core tolerance    = 0.3 V
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| v core tolerance    =  
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| v core 2            = 3.3 V
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| v core 2 tolerance  =
 
| temp max            = 85 °C
 
| temp max            = 85 °C
 
| temp min            = 0 °C
 
| temp min            = 0 °C
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| package type        = CPGA
 
| package type        = CPGA
 
| package size        =  
 
| package size        =  
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| package 2          =
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| package 2 type      =
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| package 3          =
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| package 3 type      =
 
| socket              =  
 
| socket              =  
 
| socket 2            =  
 
| socket 2            =  
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| socket 5            =  
 
| socket 5            =  
 
}}
 
}}
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'''i486SL-20''' was a fourth-generation [[x86]] [[microprocessor]] introduced by [[Intel]] in 1992. This chip, which is based on the {{intel|microarchitectures/80486|80486 microarchitecture}}, operated at 20 MHz. Like the original i486DX, this chip implemented the {{intel|80387}} [[FPU]] on-die and incorporated {{intel|System Management Mode}} (SMM). This series was designed to be a low power version of the i486DX, offering lower voltage and power saving features for portable mobile computers.
 
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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 KiB
 
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|l1 break=1x8 KiB
 
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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}}
 

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Facts about "i486SL-20 - Intel"
RDF feed
base frequency20 MHz (0.02 GHz, 20,000 kHz) +
bus rate20 MT/s (0.02 GT/s, 20,000 kT/s) +
bus speed20 MHz (0.02 GHz, 20,000 kHz) +
bus typeFSB +
clock multiplier1 +
core count1 +
core name486SL +
core voltage3.3 V (33 dV, 330 cV, 3,300 mV) +
core voltage tolerance0.3 V +
designerIntel +
family80486 +
first launchedNovember 9, 1992 +
full page nameintel/80486/486sl-20 +
instance ofmicroprocessor +
l1$ description4-way set associative +
l1$ size8 KiB (8,192 B, 0.00781 MiB) +
ldateNovember 9, 1992 +
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 numberi486SL-20 +
nameIntel i486SL-20 +
part numberKU80486SL-20 +
process800 nm (0.8 μm, 8.0e-4 mm) +
series486SL +
smp max ways1 +
technologyCMOS +
transistor count1,400,000 +
word size32 bit (4 octets, 8 nibbles) +