3 Hardware Reference Books for DOS computers (3books)

PC/XT/AT/386 Technical Pocket Reference
for IBM PC and compatibles Vol 1
This is the first pocket reference worldwide,
which contains all important information, tables, instruction sets
and data for your every day PC use in a handy pocket manual. 78 pages, (3,5 x 6,5 inches).
MS-DOS and BASIC Commands,  8086 Instruction Set, Interrupts, System
Information, Memory Structure  Important Memory and Port Addresses,
Interfaces, Connections, Keyboard Codes, Printer Control Codes, Character
Sets, Graphics Information and lots more.
DOS Commands, Edlin and Debug Commands, CONFIG.SYS, AUTOEXEC.BAT ANSI.SYS,
Control codes, Keyboard Assignment, Prompt Commands Important BASIC
Commands.
SYSTEM INFORMATION: The registers of the 8086, 80286, 8087 8086/8088
instruction set, memory structure of the XT and AT, components of
the XT and AT, important memory addresses in the PC, important port
addresses, keyboard codes, keyboards.
INTERRUPTS:
Interrupt 21 hex (DOS functions)
Interrupt 33 hex (Mouse functions)
Interrupt 10 hex (Video functions) COM and EXE header DOS error codes
INTERFACES: The parallel interface, the serial interface, monitor
connections.
MEMORY: Diskettes, diskette formats hard disk management.
PRINTERS: Printer control codes, NEC P6/P7 control codes, STAR printer
functions, Panasonic KXP-1081 control codes, IBM graphic printer character
set, IBM graphic printer character set II, HP-LaserJet commands, ROMAN-8
character set, PC-8 character set.
GRAPHICS: About graphics Various graphic cards, identifying graphic
files, Fonts and font sizes, DTP units, Decimal/Octal/Binary/ASCII
conversion table, ASCII graphic characters, ASCII table.
You will get the right answers to the questions
 below (just to mention a few below)
Is the DOS command called CKDISK or CHKDSK?
Is the country code for England 44 or 46?
Is the 3rd bit of the 8086 status register the carry flag?
At which memory location is the current video mode stored?
What is the port address of the parallel interface?
What is the code of the key combination Ctrl-F1?
What does DOS error code 4 mean?
How do I set my Epson printer to compressed print?
Where are the special characters in the ROMAN-8 character
set?
How can I tell the format of a graphics file?
What does Helvetica 24-point font look like?
The information is presented in a short and concise way in easy to
read tables. The tables contain information on the system, interrupts,
interfaces, memory, printers and graphics.
Table of Content
COMMANDS
DOS Commands 1
Edlin and Debug Commands 3
CONFIG.SYS, AUTOEXEC.BAT 4
ANSI.SYS Commands                      
Keyboard, Prompt Commands 6
Important BASIC Instructions 8
SYSTEM INFORMATION
Registers of 8086/8088, 80286, 8087 11
8086/8088 Instruction Set 14
Memory Map XT/AT 22
Components of PC and AT 24
Important Memory Adresses 25
Important Port Addresses 26
Keyboard Codes, Keyboard Layout 27
INTERRUPTS
BIOS Interrupts (Interrupt 21h) 32
Mouse Functions (Interrupt 33h) 35
Video Functions (Interrupt lOb) 36
New Interrupts in the AT 36
COM and EXE Headers 39
DOS Error Codes 41
INTERFACES
Parallel Interface 43
Serial Interface 44
Monitor Connections 45
STORAGE MEDIA
Diskettes, Disk Formats 47
Harddisk Management 49
PRINTER
Printer Control Codes 50
NEC P6/P7 Control Codes 50
STAR Printer Functions 53
Control Codes for the Panasonic KXP-1081 55
Matrix for User defined Characters 57
IBM Character Set 1 58
IBM Character Set 2 60
Commands for HP LaserJet 62
PC-8 Symbol Set 65
ROMAN-8 Symbol Set 66
GRAPHICS
General 67
Various Graphic Cards 69
Identifying Graphic Formats 70
Font-1)rpcs, Font-Sizes 72
Measures 75
Decimal/Octal/Binaiy/ASCII Conversion Table 76
ASCII Graphics 77
ASCII Table 78

table of content from  book #2
Hardware Pocket Reference
78 pages thick, size: (3,5 x 6,5 inches).
In this Pocket Reference you will find important hardware related data of general nature and explanations for such things as disk format, mother boards, cable, printer ribbons and very important hard disk technical data. Pin-outs, signal assignmens, detailed information about computer interfaces are provided in an easy to understand manner.
This Pocket Reference is really an inexpendable "gold mine" of information.
Table of Content
Foreword         1
Setup                 3
Types of Hard Disk 5
AWARD BIOS         7
PHOENIX BIOS         9
Memory                11
EMS                11
XMS                16
Keyboard Code        18
Custom ROM        19
DOS 4.0 Bootsector     20
Virus                21
Common Viruses        29
Interfaces        31
Parallel Interface     31
Serial Interface       33
Game Port        36
Keyboard Connection    37
Floppy Connection      37
FloppyDrivePowerSupply 38
PC/AT Power Supply     39
Connectors and Cables  40
Disk- Hard Disk Cables 47
Power Supply Cables    49
Network Cables         50
Other Connectors       51
Adapters               57
Printer Ribbons        60
Diskettes              66
PC Loudspeakers        71
Hayes Modem            73
Abbreviations          76

table of content from book #3
PC XT/AT/386 Technical Pocket Reference for IBM-PC and compatibles Vol 2
78 pages thick, size: (3,5 x 6,5 inches).
Description of the 80386 CPU, I/O channel pin outs, RAM chips, motherboeards, DMA controller, video boards, port addresses, computer architecture, everything about hard disks such as model numbers with technical specifications. AT BIOS functions, BIUOS starting addresse, Interrupts and much more.
Table of content
Foreword                 1    
8386/83865X          3
RAM Chips          8
286/386 Motherbosrds  9
System Timer         10
System Interrupts 11
DirectMemoryAccess(DMA) 12
Video Bosrds         15
6845 Video Controller 18
Math Coprocessors 19
8087                 19
80287                 20
80387                 22
803875X                 24
Motherboards         25
Computer Architecture 33
XT/AT Port Addresses 35
Hard Disks         36
AT Interface         40
Hard Disk Models 44
AT Bias Functions 49
BIOS                  57
BOS Data         58
Interrupts         61