Semiconductor & Computer Engineering
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Difference between revisions of "intel/80486/486sx-25"
| Line 30: | Line 30: | ||
| s-spec 2 = SX468 | | s-spec 2 = SX468 | ||
| s-spec 3 = SX514 | | s-spec 3 = SX514 | ||
| − | | s-spec 4 = | + | | s-spec 4 = SX586 |
| − | | s-spec 5 = | + | | s-spec 5 = SX673 |
| − | | s-spec 6 = | + | | s-spec 6 = SX676 |
| − | | s-spec 7 = | + | | s-spec 7 = SX683 |
| − | | s-spec 8 = | + | | s-spec 8 = SX763 |
| − | | s-spec 9 = SX826 | + | | s-spec 9 = SX779 |
| − | | s-spec | + | | s-spec 10 = SX788 |
| − | | s-spec | + | | s-spec 11 = SX792 |
| − | | s-spec | + | | s-spec 12 = SX800 |
| − | | s-spec | + | | s-spec 13 = SX852 |
| + | | s-spec 14 = SX934 | ||
| + | | s-spec 15 = SX679 | ||
| + | | s-spec 16 = SX693 | ||
| + | | s-spec 17 = SX719 | ||
| + | | s-spec 18 = SX790 | ||
| + | | s-spec 19 = SX798 | ||
| + | | s-spec 20 = SX826 | ||
| + | | s-spec 21 = SX838 | ||
| + | | s-spec 22 = SX846 | ||
| + | | s-spec 23 = SX903 | ||
| + | | s-spec 24 = SX930 | ||
| s-spec es = | | s-spec es = | ||
| s-spec qs = Q0152 | | s-spec qs = Q0152 | ||
| Line 46: | Line 57: | ||
| cpuid 2 = 422 | | cpuid 2 = 422 | ||
| cpuid 3 = 423 | | cpuid 3 = 423 | ||
| − | | cpuid 4 = 42A | + | | cpuid 4 = 427 |
| + | | cpuid 5 = 428 | ||
| + | | cpuid 6 = 42A | ||
| microarch = 80486 | | microarch = 80486 | ||
| Line 67: | Line 80: | ||
| electrical = Yes | | electrical = Yes | ||
| − | | power = | + | | power = 2.2 W |
| v core = 5 V | | v core = 5 V | ||
| v core tolerance = 5% | | v core tolerance = 5% | ||
Revision as of 16:51, 11 May 2016
Template:mpu i486SX-25 was a fourth-generation x86 microprocessor introduced by Intel in 1991. This chip, which is based on the 80486 microarchitecture, operated at 25 MHz. In contrast to the i486DX chips, the i486SX line had no functional FPU on-die.
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 "i486SX-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 | 486SX + |
| core voltage | 5 V (50 dV, 500 cV, 5,000 mV) + |
| core voltage tolerance | 5% + |
| cpuid | 420 +, 422 +, 423 +, 427 +, 428 + and 42A + |
| designer | Intel + |
| family | 80486 + |
| first launched | September 16, 1991 + |
| full page name | intel/80486/486sx-25 + |
| instance of | microprocessor + |
| l1$ description | 4-way set associative + |
| l1$ size | 8 KiB (8,192 B, 0.00781 MiB) + |
| ldate | September 16, 1991 + |
| main image |  + |
| main image caption | A80486SX-25, S-Spec SX679 + |
| 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 | i486SX-25 + |
| name | Intel i486SX-25 + |
| part number | A80486SX-25 +, KU80486SX-25 +, SB80486SX-25 + and FA80486SX-25 + |
| power dissipation | 2.2 W (2,200 mW, 0.00295 hp, 0.0022 kW) + |
| process | 1,000 nm (1 μm, 0.001 mm) + and 800 nm (0.8 μm, 8.0e-4 mm) + |
| s-spec | SX411 +, SX468 +, SX514 +, SX586 +, SX673 +, SX676 +, SX683 +, SX763 +, SX779 +, SX788 +, SX792 +, SX800 +, SX852 +, SX934 +, SX679 +, SX693 +, SX719 +, SX790 +, SX798 +, SX826 +, SX838 +, SX846 +, SX903 + and SX930 + |
| s-spec (qs) | Q0152 + and Q0186 + |
| series | 486SX + |
| smp max ways | 1 + |
| technology | CMOS + |
| transistor count | 1,185,000 + |
| word size | 32 bit (4 octets, 8 nibbles) + |
