IBM 4381. The IBM 4300 series [1] [2] [3] [4] [5] are mid-range systems compatible with System/370 [2] that were sold from 1979 through 1992. They featured modest electrical and cooling requirements, and thus did not require a data center environment.

For the 4381 processor type, IFAURP supports the following model values: 90E; 91E; 92E

The 4381 Processors operate with a broad spectrum of IBM products that support engineering/ scientific applications, including the 3251 Display Station and 5080 Graphics System, 3838 Array Processor, 7350 Image Processing System, Series/1 processors, and IBM personal computers. The 4381 Processors can also be used

The IBM 4381 Processor is one of the most powerful and versatile intermediate system processors ever produced by IBM. Its system capabilities enable the 4381 to address an expanded range of user requirements in addition to providing growth for users of smaller, intermediate system processors.

Since its introduction in January 1979, the 4300 Series has grown to include 13 model groups. The four newest mem­ bers of the 4300 processor family are the 4361 Model Groups 4 and 5 and the 4381 Model Groups 1 and 2. The two 4361 processors provide a growth path for entry-level systems using System/370 architecture.

Nov 15, 2019 · From the bitsavers.org collection, a scanned-in computer-related document.

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The IBM 4381 Processors offer improvements in function, performance and price/performance for the intermediate system user. They are logical growth steps for users who require more computing power than the larger 4341 models, but whose needs do not yet reach the capability Of the 3083 model E. The IBM 4381 Processors offer ta:hnology and function

All 4300 processors used a 3278-2A, 3279-C or 3205 display console rather than a 3210 or 3215 keyboard/printer console. Each model - 4331, 4341, 4361, and 4381 - had various sub-models, such as the 4341 model 1 (or 4341-1) and 4341 model 2 (4341-2).

International Business Machines Corporation (IBM) U.S. overall: 71 x 64.5 x 32. Digital Computer: mainframe. Gift of Valeo Corporation.