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MS-4134
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MS-4134 (c) 1993 MSI [Micro-Star International, Co. Ltd.] The MS-4134 is a high-performance, mid-generation Socket 3 VESA Local Bus (VLB) Baby AT motherboard engineered and manufactured by Micro-Star International (MSI) around 1993. Built as a high-speed workstation and enthusiast gaming platform, the mainboard centers around the powerful Silicon Integrated Systems (SiS) 85C471 core logic chipset. The mainboard hosts a standard 237-pin Socket 3 footprint (with early jumper-selectable CPU support) for Intel i486DX, DX2, and compatible AMD/Cyrix processors running at synchronous Front-Side Bus (FSB) speeds of 25 MHz, 33 MHz, or 40 MHz. Its peripheral expansion infrastructure is heavily optimized for the VLB era, providing two high-bandwidth 32-bit VESA Local Bus slots—ideal for local-bus video cards and I/O controllers—alongside seven 16-bit ISA slots. Memory management is handled by four 72-pin SIMM sockets supporting up to 64 MB of Fast Page Mode (FPM) DRAM, complemented by a socketed L2 secondary static cache (SRAM) array configurable from 64 KB up to 256 KB. - TRIVIA - The VLB Throughput King: The SiS 85C471 chipset on the MS-4134 was widely considered the "gold standard" for VESA Local Bus stability. Unlike early implementations that struggled with electrical noise at high bus speeds, the MS-4134's trace design allowed for a "zero-wait-state" throughput on VLB video cards. This made it a favorite for 1993-era DOS gamers running early 32-bit titles like DOOM or Wolfenstein 3D on high-end S3-based VLB graphics cards, providing performance that rivaled significantly more expensive Pentium 60 MHz systems. The "Fake" Socket 3 Complication: Because this board was produced right at the time of the Socket 3 transition, some early revisions were actually "Socket 2" layouts that were physically marketed as "Socket 3" ready. Power users had to check the jumper settings specifically for 3.3V support; if a user dropped a 3.3V DX4-100 chip into a board set for 5V-only jumper delivery, the board's regulator logic wouldn't save the processor. The MS-4134 became a learning lesson for many on the importance of verifying VRM jumpers before CPU installation. - SOURCES - Machine's Bios.
Your Changes (editable)
MS-4134 (c) 1993 MSI [Micro-Star International, Co. Ltd.] The MS-4134 is a high-performance, mid-generation Socket 3 VESA Local Bus (VLB) Baby AT motherboard engineered and manufactured by Micro-Star International (MSI) around 1993. Built as a high-speed workstation and enthusiast gaming platform, the mainboard centers around the powerful Silicon Integrated Systems (SiS) 85C471 core logic chipset. The mainboard hosts a standard 237-pin Socket 3 footprint (with early jumper-selectable CPU support) for Intel i486DX, DX2, and compatible AMD/Cyrix processors running at synchronous Front-Side Bus (FSB) speeds of 25 MHz, 33 MHz, or 40 MHz. Its peripheral expansion infrastructure is heavily optimized for the VLB era, providing two high-bandwidth 32-bit VESA Local Bus slots—ideal for local-bus video cards and I/O controllers—alongside seven 16-bit ISA slots. Memory management is handled by four 72-pin SIMM sockets supporting up to 64 MB of Fast Page Mode (FPM) DRAM, complemented by a socketed L2 secondary static cache (SRAM) array configurable from 64 KB up to 256 KB. - TRIVIA - The VLB Throughput King: The SiS 85C471 chipset on the MS-4134 was widely considered the "gold standard" for VESA Local Bus stability. Unlike early implementations that struggled with electrical noise at high bus speeds, the MS-4134's trace design allowed for a "zero-wait-state" throughput on VLB video cards. This made it a favorite for 1993-era DOS gamers running early 32-bit titles like DOOM or Wolfenstein 3D on high-end S3-based VLB graphics cards, providing performance that rivaled significantly more expensive Pentium 60 MHz systems. The "Fake" Socket 3 Complication: Because this board was produced right at the time of the Socket 3 transition, some early revisions were actually "Socket 2" layouts that were physically marketed as "Socket 3" ready. Power users had to check the jumper settings specifically for 3.3V support; if a user dropped a 3.3V DX4-100 chip into a board set for 5V-only jumper delivery, the board's regulator logic wouldn't save the processor. The MS-4134 became a learning lesson for many on the importance of verifying VRM jumpers before CPU installation. - SOURCES - Machine's Bios.
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