[ The PC Guide | Systems and Components Reference Guide | Motherboard and System Devices | System Resources | Direct Memory Access (DMA) Channels | DMA Channel Details By Number ]
DMA4
Channel Number: 4
Bus Line: No
Typical Default Use: Cascade for DMA channels 5 to 7.
Other Common Uses: None; for system use only.
Description: This DMA channel is reserved for cascading the two DMA controllers on systems with a 16-bit ISA bus. It is not available for use by peripherals.
Conflicts: There should not be any conflicts on this channel; any problems with it indicate a possible system hardware failure.
Next: DMA5
| The PC Guide
(http://www.PCGuide.com) Site Version: 2.2.0 - Version Date: April 17, 2001 © Copyright 1997-2004 Charles M. Kozierok. All Rights Reserved. |
Not responsible for any loss resulting from the use of this site. Please read the Site Guide before using this material. |