User`s manual

Pentium
TM
OverDrive Ready System Board
F-1 u Appendix F
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 DMA Controller 2
Ch0-Reserved for User Ch4-Cascade for CTRL 1
Ch1-SDLC Ch5-Reserved for User
Ch2-Diskette (IBM Personal Computer) Ch6-Reserved for User
Ch3-Reserved for User Ch7-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 DMA Page Memory DMA Controller 1
Address A23 A16 A15 A0
Address generation for DMA Channels 7 to 5
Source DMA Page Memory DMA Controller 2
Address A23 A17 A16 A1