Response Requirements, Interrupt and
DMA
2-39
Reverse Video
RF
Modulator
ROM
ROM
BIOS
ROM
BIOS Listing Appendix A
ROS (Read Only Storage) (See ROM)
R/W
(Read/Write)
Modes
of
Operation 2-40
Color Graphics Monitor Adapter 2-45
Auxiliary Video Connector
PI-4
Pin Berg Strip 2-63
Color Graphics Monitor Adapter 2-45
Interface 2-63
Ring Indicator 2-127
Character Generator 2-48
Color Graphics Mode 2-52
Color Graphics Monitor Adapter 2-46
Diagram 2-13
Hardware Overview
1-1
Keyboard 2-14
Memory Expansion Options 2-113
System Board 2-3, 2-4
System Board Component Diagram 2-13
System Memory Map 2-27
ROM
and System Usage
3-1
BIOS Cassette Logic 3-8
BIOS Memory Map 3-8
Cassette Read 3-9
Cassette Write 3-9
Data
Record Architecture 3-10
Description 3-2
Error Recovery 3-10
Interrupt
15
3-8
Interrupt
ICH
Timer Tick 3-5
Interrupt
IDH
Video Parameters
3-5
Interrupt
IEH
Diskette Parameters 3-5
Interrupt
IFH
Graphics Character Extensions 3-6
Interrupt Vector Listing 3-3
Other Read/Write Memory Usage 3-7
ROM, Request for Master 2-92
RS232-C (See Asynchronous Communications Adapter)
2-123
RTS (Ready to Send) 2-123
Symbol Description 2-95
1-17
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