From WikiChip
Difference between revisions of "intel/80486/486dx-25"
Line 28: | Line 28: | ||
| bus rate = 25 MT/s | | bus rate = 25 MT/s | ||
| clock multiplier = 1 | | clock multiplier = 1 | ||
− | | s-spec = | + | | s-spec = SX250 |
+ | | s-spec 2 = SX300 | ||
+ | | s-spec 3 = SX308 | ||
+ | | s-spec 4 = SX328 | ||
+ | | s-spec 5 = SX418 | ||
+ | | s-spec 6 = SX493 | ||
+ | | s-spec 7 = SX728 | ||
| s-spec es = | | s-spec es = | ||
− | | s-spec qs = | + | | s-spec qs = Q0143 |
− | | cpuid = | + | | cpuid = 401 |
+ | | cpuid = 402 | ||
+ | | cpuid = 404 | ||
| microarch = 80486 | | microarch = 80486 | ||
Line 51: | Line 59: | ||
| electrical = Yes | | electrical = Yes | ||
− | | power = | + | | power = 2.75 W |
| v core = 5 V | | v core = 5 V | ||
− | | v core tolerance = | + | | v core tolerance = 5% |
| temp max = 85 °C | | temp max = 85 °C | ||
| temp min = 0 °C | | temp min = 0 °C |
Revision as of 16:20, 11 May 2016
Template:mpu i486DX-25 was a fourth-generation x86 microprocessor introduced by Intel in 1989. This chip, which is based on the 80486 microarchitecture, operated at 25 MHz. This chip implemented the 80387 FPU on-die and incorporated System Management Mode (SMM).
Contents
Cache
- Main article: 80486 § Cache
Cache Info [Edit Values] | ||
L1$ | 8 KB "KB" is not declared as a valid unit of measurement for this property. |
1x8 KB 4-way set associative (unified, write-through policy ) |
Graphics
This chip had no integrated graphics processing unit.
Features
- System Management Mode (SMM)
See also
Facts about "i486DX-25 - Intel"
base frequency | 25 MHz (0.025 GHz, 25,000 kHz) + |
bus rate | 25 MT/s (0.025 GT/s, 25,000 kT/s) + |
bus speed | 25 MHz (0.025 GHz, 25,000 kHz) + |
bus type | FSB + |
clock multiplier | 1 + |
core count | 1 + |
core name | 486DX + |
core voltage | 5 V (50 dV, 500 cV, 5,000 mV) + |
core voltage tolerance | 5% + |
cpuid | 401 +, 402 + and 404 + |
designer | Intel + |
family | 80486 + |
first launched | June 1989 + |
full page name | intel/80486/486dx-25 + |
instance of | microprocessor + |
l1$ description | 4-way set associative + |
l1$ size | 8 KiB (8,192 B, 0.00781 MiB) + |
ldate | June 1989 + |
main image | + |
main image caption | A80486DX-25, S-Spec SX328 + |
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 | i486DX-25 + |
name | Intel i486DX-25 + |
part number | A80486-25 +, A80486DX-25 +, MA80486DX-25 +, MG80486DX-25 + and MQ80486DX-25 + |
power dissipation | 2.75 W (2,750 mW, 0.00369 hp, 0.00275 kW) + |
process | 1,000 nm (1 μm, 0.001 mm) + and 800 nm (0.8 μm, 8.0e-4 mm) + |
s-spec | SX250 +, SX300 +, SX308 +, SX328 +, SX418 +, SX493 + and SX728 + |
s-spec (qs) | Q0143 + |
series | 486DX + |
smp max ways | 1 + |
technology | CMOS + |
transistor count | 1,200,000 + |
word size | 32 bit (4 octets, 8 nibbles) + |