Intel 486DX4-100 SK051

Minsan nagsampa ng kaso ang Intel na humiling na pigilan ang paggamit ng 486/586 mga pangalan ng mga nakikipagkumpitensyang kumpanya. Ang korte ng Amerika ay hinuhusgahan na ang pangalan na binubuo lamang ng mga numero ay hindi maaaring makilala ang karapatan ng trademark. Kaya ang tagagawa ng processor kasama ang Intel ay gumagamit ng mga trademark tulad ng Pentium at Athlon sa halip na mga pangalan tulad 486 at 586. Therefore the trademark recorded in this CPU is IntelDX4, is not i486DX4. But It is better known as 486DX4 or 80486DX4 than as IntelDX4.

Inside and outside clock speed of 486DX is same. 486DX2 contained double clocking technology increasing inside speed to two times of outside speed. DX3 was a standard that made use of 2.5× multiplier, but it was not released as common product. In IntelDX4, 3.0× multiplier operates.

IntelDX4 supports 3.3/3.45V regular voltage, 2×/3× multiples and 25/33/50Mhz FSB speeds.

‘SK051′ receives 33Mhz FSB speed and 3.45V voltage. It operates at 100Mhz clock speed(3× FSB speed). It cannot support 2x multiple. ‘&E’ means that it is write-through cache version. (If ‘&EW’ is written, the CPU contains write-back cache.)

intelDX4 exactly fits 169pins Socket 1. But It can put 238pins Socket 2 and 237pins Socket 3. Socket1/2 supports 5V. To safely use IntelDX4 on Socket1/2, the motherboard must be able to modulate CPU Voltage to 3.3V.

Previous CPUs generated low heat, so they could use without heatsink. But DX4 was too hot to use without heatsink because of DX4 speed attain to 75~120Mhz. Attaching heatsink and fan on CPU chip is general after DX4.

• Tagagawa : Intel
• Code Name : IntelDX4 (Intel 80486DX4)
• Intruduced Time : 1994. 3. 7.
• Bahagi ng Bahagi : A80486DX4-100 SK051
• Bansa ng pagawaan : Malaysia
• Core Speed : 100Mhz (33Mhz x 3.0)
• Bilis ng Bus : 33Mhz
• Process : 0.6㎛
• Mga Tampok : 169pin, Socket1/2/3
• Boltahe : 3.45V (3.3~3.6V)
• L1 cache : 16KB

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