What is the Primary DMA Channel in a Windows Driver?
In computer systems, DMA stands for Direct Memory Access. It is a method of transferring data between the system's memory and peripherals (like hard drives, sound cards, or network cards) without involving the CPU. This allows faster data transfers and reduces CPU load, as the DMA controller manages the data transfer independently.
The Primary DMA Channel typically refers to the first (or primary) DMA channel in a system's DMA controller. In early computing systems (like those from the 1980s and 1990s), the Primary DMA Channel was used for things like hard drive data transfer, floppy disk controllers, and sound cards.
In modern systems, DMA channels are handled by the chipset and drivers, and the use of DMA channels in this context is largely abstracted from the end user.
Primary DMA Channel drivers / Dell Latitude D620
PCI\VEN_1103&DEV_2310&SUBSYS_84C7C344
PCI\VEN_1103&DEV_2310&CC_010400
PCI\VEN_1103&DEV_2310&CC_0104
Compatible IDs:
GEN_SCSIADAPTER <---- Device ID matches with our database
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