Physical Drive Number and Description

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  • If three Hard Disks are connected to the system: if three Hard Disks are connected to the system the physical drive numbers will be as according to their attachment preferences. The following examples represent some of the arrangements:

Primary/Secondary (Master/Slave)

Status

Physical Drive Number and Description

Primary Master

Disk is Present

Physical Drive Number will be 80H. In this case the Hard Disk is called the First Hard Disk.

Primary Slave

Disk is Present

Physical Drive Number will be 81H. In this case the Hard Disk is called the Second Hard Disk.

Secondary Master

Disk is Present

Physical Drive Number will be 82H. In this case the Hard Disk is called the Third Hard Disk.

Secondary Slave

Disk Not Present

-------------------


Primary/Secondary (Master/Slave)

Status

Physical Drive Number and Description

Primary Master

Disk Not Present

-------------------

Primary Slave

Disk is Present

Physical Drive Number will be 80H. In this case the Hard Disk is called the First Hard Disk.

Secondary Master

Disk is Present

Physical Drive Number will be 81H. In this case the Hard Disk is called the Second Hard Disk.

Secondary Slave

Disk is Present

Physical Drive Number will be 82H. In this case the Hard Disk is called the Third Hard Disk.


Primary/Secondary (Master/Slave)

Status

Physical Drive Number and Description

Primary Master

Disk is Present

Physical Drive Number will be 80H. In this case the Hard Disk is called the First Hard Disk.

Primary Slave

Disk Not Present

-------------------

Secondary Master

Disk is Present

Physical Drive Number will be 81H. In this case the Hard Disk is called the Second Hard Disk.

Secondary Slave

Disk is Present

Physical Drive Number will be 82H. In this case the Hard Disk is called the Third Hard Disk.


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Data Recovery Book
 
Chapter 1 An Overview of Data Recovery
Chapter 2 Introduction of Hard Disks
Chapter 3 Logical Approach to Disks and OS
Chapter 4 Number Systems
Chapter 5 Introduction of C Programming
Chapter 6 Introduction to Computer Basics
Chapter 7 Necessary DOS Commands
Chapter 8 Disk-BIOS Functions and Interrupts Handling With C
Chapter 9 Handling Large Hard Disks
Chapter 10 Data Recovery From Corrupted Floppy
Chapter 11 Making Backups
Chapter 12 Reading and Modifying MBR with Programming
Chapter 13 Reading and Modifying DBR with Programming
Chapter 14 Programming for “Raw File” Recovery
Chapter 15 Programming for Data Wipers
Chapter 16 Developing more Utilities for Disks
Appendix Glossary of Data Recovery Terms
 
 

 

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