Semiconductor & Computer Engineering
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i486SX-33 - Intel
Template:mpu i486SX-33 was a fourth-generation x86 microprocessor introduced by Intel in 1991. This chip, which is based on the 80486 microarchitecture, operated at 33 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-33 - Intel"
| base frequency | 33 MHz (0.033 GHz, 33,000 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 | 1 + |
| core count | 1 + |
| core name | 486SX + |
| core voltage | 5 V (50 dV, 500 cV, 5,000 mV) + |
| core voltage tolerance | 5% + |
| designer | Intel + |
| family | 80486 + |
| first launched | September 21, 1992 + |
| full page name | intel/80486/486sx-33 + |
| instance of | microprocessor + |
| l1$ description | 4-way set associative + |
| l1$ size | 8 KiB (8,192 B, 0.00781 MiB) + |
| ldate | September 21, 1992 + |
| main image |  + |
| main image caption | A80486SX-33, S-Spec SX680, 1993, 28th week + |
| 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-33 + |
| name | Intel i486SX-33 + |
| part number | A80486SX-33 +, A80486SX33 +, SB80486SX-33 +, FA80486SX-33 +, KU80486SX-33 + and FA80486SX33 + |
| power dissipation | 2.5 W (2,500 mW, 0.00335 hp, 0.0025 kW) + |
| process | 1,000 nm (1 μm, 0.001 mm) + and 800 nm (0.8 μm, 8.0e-4 mm) + |
| s-spec | SK798 +, SK903 +, SX680 +, SX789 +, SX797 +, SX847 +, SX902 +, SX931 +, SX684 +, SX724 +, SX780 +, SX781 +, SX791 +, SX799 +, SX834 +, SX849 +, SX853 +, SX855 + and SX935 + |
| s-spec (qs) | Q0384 + and Q0575 + |
| series | 486SX + |
| smp max ways | 1 + |
| technology | CMOS + |
| transistor count | 1,185,000 + |
| word size | 32 bit (4 octets, 8 nibbles) + |
