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{{intel title|i486DX4-75}}
 
{{intel title|i486DX4-75}}
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{{chip
+
{{mpu
 
| name                = Intel i486DX4-75
 
| name                = Intel i486DX4-75
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| image              = Ic-photo-Intel--FC80486DX4-75--(486-CPU).png
+
| no image            = Yes
 +
| image              =  
 
| image size          =  
 
| image size          =  
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| caption            = FC80486DX4, S-Spec SK052
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| caption            =  
 
| designer            = Intel
 
| designer            = Intel
 
| manufacturer        = Intel
 
| manufacturer        = Intel
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| bus rate            = 25 MT/s
 
| bus rate            = 25 MT/s
 
| clock multiplier    = 3
 
| clock multiplier    = 3
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| s-spec              = SK047
+
| s-spec              =  
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| s-spec 2            = SK087
 
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| s-spec 3            = SK102
 
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| s-spec 4            = SX871
 
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| s-spec 5            = SX884
 
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| s-spec 6            = SK052
 
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| s-spec 7            = SK100
 
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| s-spec 8            = SX870
 
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| s-spec 9            = SX883
 
 
| s-spec es          =  
 
| s-spec es          =  
 
| s-spec qs          =  
 
| s-spec qs          =  
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| cpuid              = 480
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| cpuid              =  
  
 
| microarch          = 80486
 
| microarch          = 80486
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| core stepping      =  
 
| core stepping      =  
 
| process            = 600 nm
 
| process            = 600 nm
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| transistors        = 1,600,000
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| transistors        =  
 
| technology          = CMOS
 
| technology          = CMOS
 
| die size            =  
 
| die size            =  
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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
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| power              = 2.72 W
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| 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
+
| v core tolerance    =  
 +
| v core 2            = 3.3 V
 +
| 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 size        =  
 
| package size        =  
 
| package 2          = SQFP-208
 
| package 2          = SQFP-208
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| package type 2     = SQFP
+
| package 2 type      = SQFP
 
| socket              = Socket 1  
 
| socket              = Socket 1  
 
| socket 2            = Socket 2
 
| socket 2            = Socket 2
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| socket 4            = Socket 6
 
| socket 4            = Socket 6
 
}}
 
}}
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'''i486DX4-75''' was a fourth-generation [[x86]] [[microprocessor]] introduced by [[Intel]] in 1994. This chip, which is based on the {{intel|microarchitectures/80486|80486 microarchitecture}}, had a clock multiplier of x2, x2.5, and x3 with a max operating frequency of 75 MHz, three times the bus frequency. Like the original i486DX, this chip implemented the {{intel|80387}} [[FPU]] on-die and incorporated {{intel|System Management Mode}} (SMM). The DX4 series had twice as much cache space as the older processors.
 
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== Cache ==
 
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{{main|intel/microarchitectures/80486#Memory_Hierarchy|l1=80486 § Cache}}
 
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The i486dx4-100 was offered with two cache policies. Models that came with a write-back cache were marked by an "'''&EW'''" identifier. Models that came with a write-through policy were marked by "'''&E'''".
 
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{{cache info
 
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|l1 cache=16 KiB
 
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|l1 break=1x16 KiB
 
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|l1 desc=4-way set associative
 
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|l1 extra=(unified, write-through/write-back 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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== Gallery ==
 
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<gallery>
 
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File:KL Intel i486DX4-75 PQFP.jpg|FC80486DX4-75, S-Spec SX883
 
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</gallery>
 
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== See also ==
 
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* {{intel|80486|80486 family}}
 

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Facts about "i486DX4-75 - Intel"
RDF feed
base frequency75 MHz (0.075 GHz, 75,000 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 multiplier3 +
core count1 +
core name486DX4 +
core voltage3.3 V (33 dV, 330 cV, 3,300 mV) +
core voltage tolerance0.3 V +
cpuid480 +
designerIntel +
family80486 +
first launchedMarch 7, 1994 +
full page nameintel/80486/486dx4-75 +
instance ofmicroprocessor +
l1$ description4-way set associative +
l1$ size16 KiB (16,384 B, 0.0156 MiB) +
ldateMarch 7, 1994 +
main imageFile:Ic-photo-Intel--FC80486DX4-75--(486-CPU).png +
main image captionFC80486DX4, S-Spec SK052 +
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 numberi486DX4-75 +
nameIntel i486DX4-75 +
part numberA80486DX4-75 +, MA80486DX4-75 +, MQ80486DX4-75 +, TQ80486DX475 +, FC80486DX4-75 + and FC80486DX4WB75 +
power dissipation2.72 W (2,720 mW, 0.00365 hp, 0.00272 kW) +
process600 nm (0.6 μm, 6.0e-4 mm) +
s-specSK047 +, SK087 +, SK102 +, SX871 +, SX884 +, SK052 +, SK100 +, SX870 + and SX883 +
series486DX4 +
smp max ways1 +
technologyCMOS +
transistor count1,600,000 +
word size32 bit (4 octets, 8 nibbles) +