ISA was designed to attach peripheral playing cards to the motherboard and allows for bus mastering. The 16-bit model was an upgrade for the motherboard buses of the Intel 80286 CPU (and Slots online expanded interrupt and Free slots DMA facilities) used in the IBM AT, Casino slots with improved support for free slots bus mastering. IBM designed the 8-bit model as a buffered interface to the motherboard buses of the Intel 8088 (16/eight bit) CPU in the IBM Pc and Slots Pc/XT, Free slots no download augmented with prioritized interrupts and DMA channels. The ISA bus was due to this fact synchronous with the CPU clock until subtle buffering strategies have been applied by chipsets to interface ISA to a lot sooner CPUs.
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