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Two, 16 bit MCA slots (top and middle). At the bottom is an MCA slot for an IBM 8514 card. Micro Channel architecture, or the Micro Channel bus, is a proprietary 16-or 32-bit parallel computer bus publicly introduced by IBM in 1987 which was used on PS/2 and other computers until the mid-1990s. Its name is commonly abbreviated as "MCA ...
Small form factor desktop March 1990 [78] Reply: Model 16 386SLC IBM 386SLC: 20 0 120 MB 4 8 Small form factor desktop August 1992 [79] Reply: Model 16 486SLC2 IBM 486SLC2: 40 0 120 MB 4 16 Small form factor desktop December 1992 [80] Reply: Model 32 Intel 80386 or Intel 80486SX or Intel 80486: 25–33 (386) or 20 (486SX) or 25–50 (486DX)
It has several 32-bit MCA expansion slots—the only PS/2 model to include such slots at the time of its release—and between five to six drive bays. The PS/2 Model 80 was the highest-end PS/2 in the original 1987 line-up and was IBM's first PC based on the 386 processor.
MCA Inc. (originally an initialism for Music Corporation of America) was an American media conglomerate founded in 1924. Originally a talent agency with artists in the music business as clients, the company became a major force in the film industry, and later expanded into television production.
The Personal System/2 Model 70 386 and Personal System/2 Model 70 486 are midrange desktop computers in IBM's Personal System/2 (PS/2) family of personal computers. The PS/2 Model 70 386, released in June 1988, features an Intel 386 microprocessor clocked between 16 MHz and 25 MHz (depending on the submodel) and features the 32-bit Micro Channel architecture (MCA) bus; the Model 70 486 ...
These switches had a peak bandwidth of 300 MB/second in each direction and were connected to form a three-dimensional torus network topology. The T3D was designed to be hosted by a Cray Y-MP Model E, M90 or C90 -series "front-end" system and rely on it and its UNICOS operating system for all I/O and most system services.
The VESA Local Bus (usually abbreviated to VL-Bus or VLB) is a short-lived expansion bus introduced during the i486 generation of x86 IBM-compatible personal computers.Created by VESA (Video Electronics Standards Association), the VESA Local Bus worked alongside the then-dominant ISA bus to provide a standardized high-speed conduit intended primarily to accelerate video (graphics) operations.
Explanatory notes. Built-in or optional monitors are CRTs unless mentioned otherwise.; The Space Saving Keyboard is a 87-key numpad-less version of the Model M. [1]The 25 Collegiate, intended for college students, had two 720 KB floppy drives, maxed out the RAM to 640 KB, and came packaged with the official PS/2 Mouse, Windows 2.0, and four blank floppy disks.