The IBM 3880 Storage Control Models 1, 2 and 3 have two directors per cabinet. Each director can attach to one, two, four or eight block multiplexor channels. The Model 4 has one director …

The IBM 3880 Storage Control Model 13 helps to reduce the effects of bottlenecks that often constrain DASO subsystem performance. The Model 13 provides faster access to nonpaging …

SMS can select the 3880 Model 23 to provide caching for read operations. Caching for a system-managed volume on a 3880 Model 23 is enabled at the volume level, using access method …

Count key data (CKD) is a direct-access storage device (DASD) [a] data recording format introduced in 1964, by IBM with its IBM System/360 and still being emulated on IBM …

It is shown that a cache as a high-speed intermediary between the processor and DASD is a major and effective step toward matching processor speed and DASD speed. Need Help? …

IBM 3880 Storage Control Model 21 The IBM 3880 Storage Control Model 21 is a high-performance storage subsystem that supports paging and swapping functions for MVS/XA, …

The 3880 Model 13 combines with 3380 Direct Access Storage units to provide a two-level, dynamically managed storage subsystem. Based on the IBM 3880 Model 3, the Model 13 …

this publication in connection with the operation of IBM systems, consult the latest IBM System/370 and 4300 Processors Bibliography GC20-0001, for editions that are applicable …

2014年12月31日 · From the bitsavers.org collection, a scanned-in computer-related document.ibm :: 38xx :: 3880 :: GA26-1661-3 IBM 3880 Storage Control Description May80. …

From the bitsavers.org collection, a scanned-in computer-related document.ibm :: 3880 :: 3880 R60 Storage Control Model 23 MSM 198504