Work-in-Progress re-design. Sorry for eventual bugs.
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Hippo DCA2
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Hippo DCA2 (c) 1994 Octek The Hippo DCA2 is an advanced 80486 Baby AT motherboard manufactured by Octek around 1994, built on the OPTi 82C802/82C495 chipset architecture. It supports a wide array of Socket 3 x86 processors, ranging from standard Intel 486DX-33 up to high-speed DX2/66 MHz configurations, alongside three VESA Local Bus (VLB) expansion slots and four 16-bit ISA slots. What uniquely distinguishes the DCA2 from the standard Hippo lineup is its true, native implementation of Octek's proprietary Dynamic Cache Architecture. Instead of relying on traditional, socketed discrete L2 SRAM cache chips on the PCB, the motherboard is engineered around a specialized 32-bit wide memory subsystem specifically designed to leverage high-speed EDRAM (Enhanced DRAM) SIMM modules. - TRIVIA - The EDRAM Advantage: The Hippo DCA2 was engineered to use custom 15ns "DynamiCache" EDRAM modules (manufactured with an integrated slice of fast SRAM cache directly on each memory stick). This architecture allowed the board to map cache capabilities across the entire system RAM pool, frequently outperforming traditional 256 KB L2 cache configurations in heavy engineering, 3D Studio, and CAD benchmarks. The Rarity Factor: Because fully utilizing the DCA2's hardware capabilities required buying proprietary, expensive EDRAM modules (which suffered from supply constraints and tight spatial tolerances that prevented the use of larger 16 MB sticks), most end-users settled for standard FPM RAM, which stripped the board of its performance edge and turned it into a standard cacheless 486 system. - SOURCES - Machine's Bios.
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Hippo DCA2 (c) 1994 Octek The Hippo DCA2 is an advanced 80486 Baby AT motherboard manufactured by Octek around 1994, built on the OPTi 82C802/82C495 chipset architecture. It supports a wide array of Socket 3 x86 processors, ranging from standard Intel 486DX-33 up to high-speed DX2/66 MHz configurations, alongside three VESA Local Bus (VLB) expansion slots and four 16-bit ISA slots. What uniquely distinguishes the DCA2 from the standard Hippo lineup is its true, native implementation of Octek's proprietary Dynamic Cache Architecture. Instead of relying on traditional, socketed discrete L2 SRAM cache chips on the PCB, the motherboard is engineered around a specialized 32-bit wide memory subsystem specifically designed to leverage high-speed EDRAM (Enhanced DRAM) SIMM modules. - TRIVIA - The EDRAM Advantage: The Hippo DCA2 was engineered to use custom 15ns "DynamiCache" EDRAM modules (manufactured with an integrated slice of fast SRAM cache directly on each memory stick). This architecture allowed the board to map cache capabilities across the entire system RAM pool, frequently outperforming traditional 256 KB L2 cache configurations in heavy engineering, 3D Studio, and CAD benchmarks. The Rarity Factor: Because fully utilizing the DCA2's hardware capabilities required buying proprietary, expensive EDRAM modules (which suffered from supply constraints and tight spatial tolerances that prevented the use of larger 16 MB sticks), most end-users settled for standard FPM RAM, which stripped the board of its performance edge and turned it into a standard cacheless 486 system. - SOURCES - Machine's Bios.
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