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Movements, leaders, victories and the continuing fight for equality.
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Meet the people whose lives, choices and achievements shaped the journey.
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In August 1908, a white mob attacked Springfield, Illinois’s Black community, destroying homes and businesses and lynching two Black men. National outrage over the violence helped spur the movement that created the NAACP the following year.
MORE →Reflects the personal views, recollections, and perspective of the author, Mike Davis.
This is a personal recollection on the Move fire on May 13, 1985
The Intel i386EX (80386EX) is a variant of the Intel 386 microprocessor designed for embedded systems. Introduced in August 1994 and was successful in the market, being used aboard several orbiting satellites and microsatellites.
Intel's previous x86 CPU for the embedded market was the Intel 80186. Like the 80186, the 80386EX integrates several peripherals including a timer, DMA controller, and interrupt controller. This vastly reduces the number of system components required for implementing a 80386EX-based system. Unlike the 80186, the peripherals of the 80386EX are compatible with standard PC/AT components.
Intel did not manufacture another integrated x86 processor until 2007, when it confirmed the Enhanced Pentium M-based Tolapai (EP80579).[1]
The Intel386 EX processor was planned in sample for April 1994 with production in third quarter for US$39 in 5,000-piece quantities.[2]
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The Intel i386EX (80386EX) is a variant of the Intel 386 microprocessor designed for embedded systems. Introduced in August 1994 and was successful in the market, being used aboard several orbiting satellites and microsatellites. Intel's previous x86 CPU for the embedded market was the Intel 80186. Like the 80186, the 80386EX integrates several peripherals including a timer, DMA controller, and interrupt controller. This vastly reduces the number of system components required for implementing a 80386EX-based system. Unlike the 80186, the peripherals of the 80386EX are compatible with standard PC/AT components. Intel did not manufacture another integrated x86 processor until 2007, when it confirmed the Enhanced Pentium M-based Tolapai (EP80579). The Intel386 EX processor was planned in sample for April 1994 with production in third quarter for US$39 in 5,000-piece quantities.
In integrated circuit design, static core generally refers to a microprocessor (MPU) entirely implemented in static logic. A static core MPU may be halted by stopping the system clock oscillator that is driving it, maintaining its state and resume processing at the point where it was stopped when the clock signal is restarted, as long as power continues to be applied. Static core MPUs are fabricated in the CMOS process and hence consume very little power when the clock is stopped, making them useful in designs in which the MPU remains in standby mode until needed and minimal loading of the power source (often a battery) is desirable during standby. In comparison, dynamic core microprocessor designs, those without a static core, only refresh and present valid outputs on their pins during specific periods of the clock cycle. If the clock is slowed, or stopped, the charge on the pin leaks out of the capacitors over time, quickly moving to the default state and no longer being valid. Dynamic designs have to run within a set range of clock frequencies to avoid this problem. Static core microprocessors include the RCA 1802, Intel 80386EX, WDC W65C02S, WDC W65C816S and Freescale 683XX family. Many low-power electronics systems are designed as fully static systems—such as, for example, the Psion Organiser, the TRS-80 Model 100, and the Galileo spacecraft. In such a fully static system, the processor has a static core and data is stored in static RAM, rather than dynamic RAM. Such design features allow the entire system to be "paused" indefinitely in a low power state, and then instantly resumed when needed.
This list of Intel processors by generation attempts to present all of Intel's processors from the 4-bit 4004 (1971) to the present high-end offerings. Concise technical data is given for each product.
Timna was the codename of a proposed central processing unit (CPU) family by Intel. The project was announced in 1999 and was designed in Haifa, Israel; it is named after the Timna Valley in Israel. The chip was supposed to be Intel's first CPU with an integrated graphics processing unit (GPU) and random access memory (RAM) controller which was designed to work with the RDRAM type of RAM. The price of RDRAM did not drop as expected by Intel. It was decided to use the Memory Translator Hub (MTH) that is also used by the Intel 820 chipset to link Timna with the SDRAM type of RAM. Later, a serious defect was discovered in the design of the MTH and so the Intel 820 based motherboards using it had to be recalled. The MTH was rebuilt but problems remained. The GPU (codenamed Capitola) that was to be used in conjunction with Timna was based on i752/i754 that were used with 810/815E chipsets. Timna was canceled on September 29, 2000. The processor was expected to be clocked from 600 MHz to 700 MHz, use a 133 MHz front-side bus (FSB), have a L2 cache size of 128 KB, and was to be manufactured at a 180 nm process. Intel Haifa was later tasked to be the backup team for Intel's mobile CPU design. Their knowledge of Timna's P6 derived architecture heavily influenced their project Banias.
Before the 1921 destruction of Tulsa’s Greenwood District, Black residents had created a remarkable center of business and community life. The district included stores, professional offices, entertainment venues and homes owned by Black citizens. Understanding Greenwood means learning what was built—not only what was burned.
MORE →Brown v. Board of Education in 1954.
