Appendix F: System Overview - DFI 486-OCV Plus User Manual

Pentium OverDrive Ready System Board
TM
v Appendix F: System Overview
82C206 Integrated Peripherals Controller
The 486-OCV Plus uses an 82C206 integrated peripher-
als controller that supports the following:
DMA Channels
DMA Controller 1
Ch0-Reserved for User
Ch1-SDLC
Ch2-Diskette (IBM Personal Computer)
Ch3-Reserved for User
Note:
DMA controller 1 supports 8-bit data transfer
DMA controller 2 supports 16-bit data transfer
Address generation for DMA Channels 3 to 0
Source
Address
Address generation for DMA Channels 7 to 5
Source
Address
F-1 u Appendix F
DMA Controller 2
Ch4-Cascade for CTRL 1
Ch5-Reserved for User
Ch6-Reserved for User
Ch7-Reserved for User
DMA Page Memory DMA Controller 1
A23 A16 A15
DMA Page Memory DMA Controller 2
A23 A17 A16
A0
A1