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The HandBook 486 also has a pointing device similar to the IBM trackpoint located on the right hand side of the keyboard just above the enter key. The Gateway HandBook remains one of the smallest laptops ever produced and was a precursor to Netbooks such as the Asus Eee PC , the Dell Inspiron Mini Series , and the Acer Aspire One .
Industry standard ISA/PCI architecture, [1] first IBM machines with USB.Processors ranged from the 486DX2-50, 486SX-25, 486DX4-100 to the Pentium 200 and in case of the Models 360 and 365 the Pentium Pro. 486 models had a selectable bus architecture (SelectaBus) through a replaceable riser-card, offering the choice of either VESA Local Bus/ISA or PCI/ISA.
Like the later and more famous Cyrix Cx5x86, it is a hybrid CPU, incorporating features of a new CPU (the Intel 80486) while plugging into its predecessor's (386DX) PGA132 socket. It runs at speeds of 25, 33, and 40 MHz. [4] The 486DLC can be described as a 386DX with the 486 instruction set and 1 KB of on-board L1 cache added.
Case buttons including turbo button The LED display showing the CPU clock frequency, in MHz, of an Intel 80486 based computer. The turbo button is the small button below the segment display; the amber light above is a secondary indicator of the turbo button state.
Pentium OverDrive for 486 systems Die shot of Pentium OverDrive for 486 systems The Pentium OverDrive is a heavily modified, 3.3 volt Pentium P54 core manufactured on 0.6 micrometer technology. It is fitted with a 486-compatible bus unit (though with an increased pin-count), an integrated heatsink and fan, and 32 kB of level 1 cache , double ...
The Am5x86 (also known as the 5x86-133, Am5x86, X5-133, and sold under various 3rd-party labels such as the Kingston Technology "Turbochip" [4]) is an Enhanced Am486 processor with an internally set multiplier of 4, allowing it to run at 133 MHz on systems without official support for clock-multiplied DX2 or DX4 486 processors.
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The official Cyrix 5x86 website boasted about several features of the chip that were disabled by default in the final versions. The most controversial of these features was the branch prediction feature, which was enabled in the benchmarks results on the company website when comparing the chip to Intel's Pentium processor.