Isa Dma

Some articles on isa, isa dma:

Third Generation Sound Blasters, 16-bit ISA Cards - Sound Blaster 16
... Moving the card off the ISA bus, which was already approaching obsolescence, meant that no line for host-controlled ISA DMA was available, as the ... Since existing DOS programs expected to be able to initiate host-controlled ISA DMA for producing sound, backward compatibility with the older Sound Blaster cards for DOS ... there was no problem, as Creative's Windows driver software could handle both ISA and PCI cards correctly ...
IEEE 1284 Modes
... PC implementations use direct memory access (usually ISA DMA on channel 3) to provide even faster data transfer than EPP by having the ISA DMA ... which is the natural limit of 8-bit ISA DMA ...