IBM 5150 - Page 11

Progranuning Summary ............................ 2-103
5
1/4" Diskette Drive Adapter Internal Interface
5
1/4" Diskette Drive Adapter External Interface
DPC Registers ................................. 2-103
Drive Constants
................................ 2-104
Comments
..................................... 2-104
System
I/O Channel Interface ...................... 2-104
Drive A and B Interface
........................... 2-106
Adapter Outputs
............................... 2-106
Adapter Inputs
................................. 2-107
Specifications
................................... 2-108
Specifications
................................... 2-109
5
1/4" Diskette Drive ............................. 2-110
Diskettes
........................................ 2-111
Mechanical and Electrical Specifications
............ 2-112
Memory
Expansion Options ...................... 2-113
Operating Characteristics
.......................... 2-113
Memory Module Description
....................... 2-114
Memory Module Pin Configuration
................. 2-114
Switch Configurable Start Address
.................. 2-115
Game Control Adapter ........................... 2-117
Game Control Adapter Block Diagram
.............. 2-117
Functional Description
............................ 2-118
Address Decode
................................ 2-118
Data Buss Buffer/Driver ........................ 2-118
Trigger Buttons
................................. 2-118
Joystick
Po~tions .............................. 2-118
I/O Channel Description .......................... 2-119
Interface Description
.............................. 2-119
Joystick Schematic
................................ 2-121
Game Control Adapter (Analog Input) Connector
Specifications
................................... 2-122
Asynchronous
Communications Adapter .......... 2-123
Asynchronous Communications Adapter Block
Diagram
....................................... 2-124
Modes of Operation
............................... 2-125
I/O Decode for Communications Adapter ......... 2-125
Interrupts
...................................... 2-126
Interface Description
.............................. 2-126
Current Loop Interface
.......................... 2-127
Voltage Interchange Information
.................. 2-128
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