Editing amd/am486/am486dx2-66sv8b

{{amd title|Am486DX2-66SV8B}}
{{chip
| name                = Am486DX2-66SV8B
| no image            = 
| image               = AMD Am486.jpg
| image size          = 
| caption             = A80486DX2-66SV8B
| designer            = AMD
| manufacturer        = AMD
| model number        = Am486DX2-66SV8B
| part number         = A80486DX2-66SV8B
| part number 2       = 
| part number 3       = 
| part number 4       = 
| market              = 
| first announced     = 1995
| first launched      = March, 1996
| last order          = 
| last shipment       = 

| family              = Am486
| series              = Am486DX2S
| locked              = 
| frequency           = 66 MHz
| bus type            = FSB
| bus speed           = 33 MHz
| bus rate            = 33 MT/s
| clock multiplier    = 2
| cpuid               = 
| cpuid 2             = 

| microarch           = 80486
| platform            = 
| chipset             = 
| core name           = Am486DX2S
| core family         = 
| core model          = 
| core stepping       = 
| process             = 500 nm
| transistors         = 
| technology          = CMOS
| die size            = 
| word size           = 32 bit
| core count          = 1
| thread count        = 
| max cpus            = 1
| max memory          = 4 GiB
| max memory addr     = 


| power               = 
| v core              = 3.3 V
| v core tolerance    = 0.3 V
| sdp                 = 
| tdp                 = 
| ctdp down           = 
| ctdp down frequency = 
| ctdp up             = 
| ctdp up frequency   = 
| temp max            = 85 °C
| temp min            = 0 °C

| packaging           = Yes
| package 0           = CPGA-168
| package 0 type      = CPGA
| package 0 pins      = 168
| package 0 pitch     = 2.286 mm
| package 0 width     = 44.069 mm
| package 0 length    = 44.069 mm
| package 0 height    = 3.556 mm
| socket 0            = Socket 1
| socket 0 type       = 
| socket 0 2          = Socket 2
| socket 0 2 type     = 
| socket 0 3          = Socket 3
| socket 0 3 type     = 
}}
'''Am486DX2-66SV8B''' was an Enhanced {{amd|Am486}} microprocessor introduced by [[AMD]] in 1996. This processor had a clock multiplier of 2 having base frequency of 66 MHz with a bus frequency of 33 MHz. This "Enhanced" Am486 includes some other features such as SMM, stop-clock control, and write-back cache.

== Cache ==
{{main|intel/microarchitectures/80486#Memory_Hierarchy|l1=80486 § Cache}}
{{cache info
|l1 cache=8 KiB
|l1 break=1x8 KiB
|l1 desc=4-way set associative
|l1 extra=(unified, write-back policy)
}}

== Graphics ==
This chip had no integrated graphics processing unit.

== Features ==
* Stop-clock control
* [[has feature::System Management Mode]] (SMM)

== Documents ==
* [[:File:AMD Enhanced Am486 (March, 1996).pdf|AMD Enhanced Am486 (March, 1996)]]

== See also ==
* {{amd|Am486|Am486 family}}
base frequency	66 MHz (0.066 GHz, 66,000 kHz) +
bus rate	33 MT/s (0.033 GT/s, 33,000 kT/s) +
bus speed	33 MHz (0.033 GHz, 33,000 kHz) +
bus type	FSB +
clock multiplier	2 +
core count	1 +
core name	Am486DX2S +
core voltage	3.3 V (33 dV, 330 cV, 3,300 mV) +
core voltage tolerance	0.3 V +
designer	AMD +
family	Am486 +
first announced	1995 +
first launched	March 1996 +
full page name	amd/am486/am486dx2-66sv8b +
has feature	System Management Mode +
instance of	microprocessor +
l1$ description	4-way set associative +
l1$ size	8 KiB (8,192 B, 0.00781 MiB) +
ldate	March 1996 +
main image	+
main image caption	A80486DX2-66SV8B +
manufacturer	AMD +
max cpu count	1 +
max memory	4,096 MiB (4,194,304 KiB, 4,294,967,296 B, 4 GiB, 0.00391 TiB) +
max operating temperature	85 °C +
microarchitecture	80486 +
min operating temperature	0 °C +
model number	Am486DX2-66SV8B +
name	Am486DX2-66SV8B +
part number	A80486DX2-66SV8B +
process	500 nm (0.5 μm, 5.0e-4 mm) +
series	Am486DX2S +
smp max ways	1 +
technology	CMOS +
word size	32 bit (4 octets, 8 nibbles) +