. . . . . . "12843818"^^ . . . . . "746865625"^^ . . . . "In computing, a device control register is a hardware register that controls some computer hardware device, for example a peripheral or an expansion card. Specific technologies use this terminology with a narrower meaning: \n* The ISA PNP specification divides the registers of a device in two categories: control registers and configuration registers. One of the device control registers defined by ISA PNP is (for example) the Activate register, which turns the card on or off. \n* The Device Control Register is also the name of a specific register in the PCI Express architecture. It has fields that (among other things) control what is the maximum read request size (in bytes) that the device can make. \n* Device Control Register (DCR) is also the name of an IBM proprietary bus. Its stated design goal is to \"transfer data between a DCR master, typically a CPU\u2019s general purpose registers, and the DCR slave logic\u2019s device control registers\". For example, the IBM MultiProcessor Interrupt Controller (MPIC) is connected up to four processors via a shared DCR bus, and in turn the MPIC handles up to 128 interrupt sources."@en . "Device control register"@en . "2054"^^ . . . . "In computing, a device control register is a hardware register that controls some computer hardware device, for example a peripheral or an expansion card. Specific technologies use this terminology with a narrower meaning:"@en . . . . . . .