i486DX2-66 - Intel

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i486DX2-66 - Intel

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Template:mpu i486DX2-66 was a fourth-generation x86 microprocessor introduced by Intel in 1992. This chip, which is based on the 80486 microarchitecture, had a clock doubler operating at 66 MHz, twice the bus frequency. Like the original i486DX, 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)

This chip had no integrated graphics processing unit.

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	486DX2 +
core voltage	5 V (50 dV, 500 cV, 5,000 mV) +
core voltage tolerance	5% +
cpuid	433 +, 435 + and 436 +
designer	Intel +
family	80486 +
first launched	March 3, 1992 +
full page name	intel/80486/486dx2-66 +
instance of	microprocessor +
l1$ description	4-way set associative +
l1$ size	8 KiB (8,192 B, 0.00781 MiB) +
ldate	March 3, 1992 +
main image	+
main image caption	A80486DX2-66, S-Spec SX645 +
manufacturer	Intel +
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	i486DX2-66 +
name	Intel i486DX2-66 +
part number	A80486DX2-66 +, A80486DX2SA66 +, MA80486DX2-66 +, A80P24-66 +, MQ80486DX2-66 + and TQ80486DX266 +
power dissipation	4.88 W (4,880 mW, 0.00654 hp, 0.00488 kW) +
process	1,000 nm (1 μm, 0.001 mm) + and 800 nm (0.8 μm, 8.0e-4 mm) +
s-spec	SK058 +, SK080 +, SX645 +, SX725 +, SX731 +, SX739 +, SX744 +, SX750 +, SX759 +, SX762 +, SX807 +, SX911 +, SX955 + and SYE36 +
s-spec (qs)	Q0609 +, Q0618 + and Q0652 +
series	486DX2 +
smp max ways	1 +
technology	CMOS +
word size	32 bit (4 octets, 8 nibbles) +