AMD Geode SC1201 - Manual (Page 96)

96 AMD Geode™ SC1200/SC1201 Processor Data Book
SuperI/O Module 32579B
Index 75h DMA Channel Select 1 (R/W)
Indicates selected DMA channel for DMA 1 of the logical device (1 - the second DMA channel in case of using more than one DMA
channel).
7:3 Reserved.
2:0 DMA 1 Channel Select: This bit field selects the DMA channel for DMA 1.
The valid choices are 0-3, where a value of 0 selects DMA channel 0, 1 selects channel 1, etc.
A value of 4 indicates that no DMA channel is active.
Values 5-7 are reserved.
Index F0h-FEh Logical Device Configuration (R/W)
Special (vendor-defined) configuration options.
Table 5-3. Standard Configuration Registers
Bit Description