中国科学院21H条(0x43或0x21)功能18:2(67)还是得订档案属性(0x44或68)输入/输出管制(我/澳七月)分函数小时17分钟11(0x00)(0x01)3小时10小时7分钟(0x02)(0x03)经过4小时39(0x04)控制数据块设备驱动27.806h(0x05)(0x06)7小时(0x07)漏报09h(0x08)(0x090x0a)0ah(或10或0x0b)0bh(11)

Data Recovery PRO DATA DOCTOR

Home | Order Online | Downloads | Contact Us | Software Knowledgebase

it | es | pt | fr | de | jp | kr | cn | ru | nl | gr


中国科学院21H条(0x21)

功能18:2(0x43或67)-->得到属性或档案集

Call with: AH = 43H
AL = 00H to get attributes
01H to set attributes
CX = file attribute, if AL=01H. Bits can be combined
DS: DX = segment: offset of ASCIIZ pathname

Returns: If function successful
Carry flag = clear
CX = file attribute

If function unsuccessful
Carry flag = set
AX = error code

评论:

这项功能获取或更改档案属性(只读、隐藏、系统、或档案)或指南.对于不同属性的意义是指比特比特意义表前.

中国科学院21H条(0x21)

Function 44H (0x44 or 68) --> Input/Output Control (I/O Ctrl)

这项功能提供了一个直接沟通的路径和应用程序驱动.它使节目获得硬件相关资料,并请那些不支持的其他业务MS-DOS操作系统功能的电话.

分输入和输出功能得到了控制如下表:

分功能

手术名称

00H

Get Device Information                                                

01H

Set Device Information                                                

02H

Receive Control Data from Character Device Driver  

03H

Send Control Data to Character Device Driver        

04H

Receive Control Data from Block Device Driver    

05H

Send Control Data to Block Device Driver

06H

Check Input Status                                                    

07H

Check Output Status                                                 

08H

Check If Block Device Is Removable                      

09H

Check If Block Device Is Remote                           

0AH (10)

Check If Handle Is Remote                                     

0BH (11)

Change Sharing Retry Count                                    

0CH (12)

 

 

 

 

Generic I/O Control for Character Devices

Value

Description

CL = 45H

Set Iteration Count                

CL = 4AH

Select Code Page                  

CL = 4CH

Start Code Page Preparation 

CL = 4DH

End Code Page Preparation  

CL = 5FH

Set Display Information       

CL = 65H

Get Iteration Count

CL = 6AH

Query Selected Code Page   

CL = 6BH

Query Prepare List                

CL = 7FH

Get Display Information 

 

0DH (13)

 

 

 

 

 

Generic I/O Control for Block Devices

Value

Description

CL = 40H

Set Device Parameters  

CL = 41H

Write Track                  

CL = 42H

Format and Verify Track

CL = 47H

Set Access Flag

CL = 60H

Get Device Parameters 

CL = 61H

Read Track                   

CL = 62H

Verify Track                  

CL = 67H

Get Access Flag                                    

0EH (14)

Get Logical Drive Map                           

0FH (15)

Set Logical Drive Map 

 

中国科学院21H条(0x21)

功能丘(0x44或68),17分钟11分函数(0x00)我/澳七月-->得到装置信息

Call with: AH = 44H
AL = 00H
BX = handle

Returns: If function successful
Carry flag = clear
DX = device information word

If function unsuccessful
Carry flag = set
AX = error code

评论:

这一分装器功能的文字资料与档案或装置指定办理.

中国科学院21H条(0x21)

功能丘(0x44或68)分函数小时(0x01)我/澳七月-->载装置资料

Call with: AH = 44H
AL = 01H
BX = handle
DX = device information word

Returns: If function successful
Carry flag = clear

If function unsuccessful
Carry flag = set
AX = error code

评论:

这一分置于功能的功能21H条中国科学院、 旗套为处理某些性格与器件. 本次功能不可用于处理即有相关档案.

 

中国科学院21H条(0x21)

功能丘(0x44或68),2小时35分钟小组功能(0x02)我/澳七月-->字符驱动读数据控制

Call with: AH = 44H
AL = 02H
BX = handle
CX = number of bytes to read
DS: DX = segment: offset of buffer

Returns: If function is successful
Carry flag = clear
AX = bytes read
And buffer contains control data from driver

If function is unsuccessful
Carry flag = set
AX = error code

评论:

谁知从数据控制字驱动.长度和数据内容指定给每个驱动和不遵循任何标准格式. 这项功能并不产生任何投入实物装置.

中国科学院21H条(0x21)

功能丘(0x44或68),3小时10分的功能(0x03)我/澳七月-->控制数据写字驱动

Call with: AH = 44H
AL = 03H
BX = handle
CX = number of bytes to write
DS: DX = segment: offset of data

Returns: If function successful
Carry flag = clear
AX = bytes transferred

If function unsuccessful
Carry flag = set
AX = error code

评论:

本次申请数据控制功能转移到一个字驱动.长度和内容具体到每一个数据驱动和不遵循任何标准格式. 这项功能不一定对身体造成的任何输出装置.

 

中国科学院21H条(0x21)

功能丘(0x44或68),4小时39分的功能(0x04)我/澳七月-->经过控制数据块设备驱动

Call with: AH = 44H
AL = 04H
BL = device code (0= default, 1=A,
2=B, etc.)
CX = number of bytes to read
DS: DX = segment: offset of buffer

Returns: If function successful
Carry flag = clear
AX = bytes transferred
And buffer contains control data from device driver

If function unsuccessful
Carry flag = set
AX = error code

评论:

本次转让控制功能由数据块直接驱动变成应用程序的缓冲区.长度和内容具体到每一个数据驱动和不遵循任何标准格式.这个功能并不一定导致投入实物装置.

 

中国科学院21H条(0x21)

功能丘(0x44或68),27.8分功能(0x05)我/澳七月-->写控制数据块设备驱动

Call with: AH = 44H
AL = 05H
BL = device code (0= default, 1=A,
2=B, etc.)
CX = number of bytes to write
DS: DX = segment: offset of data

Returns: If function successful
Carry flag = clear
AX = bytes transferred

If function unsuccessful
Carry flag = set
AX = error code

评论:

本次转让控制功能数据从一个应用程序直接向块设备驱动.长度和内容具体到每一个数据对照驱动不遵循任何标准格式.这项功能不一定对身体造成任何输出装置.

 

中国科学院21H条(0x21)

功能丘(0x44或68)分函数06h(0x06)我/澳七月-->核对身份投入

Call with: AH = 44H
AL = 06H
BX = handle

Returns: If function successful
Carry flag = clear
And for a device:
AL = 00H, if device not ready
FFH, if device ready
For a file:
AL = 00H, if file pointer at EOF
FFH, if file pointer not at EOF

If function unsuccessful
Carry flag = set
AX = error code

评论:

它返回一个代码,显示装置或档案,是否有处理相关准备投入.

 

中国科学院21H条(0x21)

功能丘(0x44或68),7小时10分的功能(0x07)我/澳七月-->输出检查状态

Call with: AH = 44H
AL = 07H
BX = handle

Returns: If function successful
Carry flag = clear
And for a device:
AL = 00H, if device not ready
FFH, if device ready
For a file:
AL = FFH

If function unsuccessful
Carry flag = set
AX = error code

评论:

返回代码,显示它是否准备好相关设备输出.

中国科学院21H条(0x21)

功能丘(0x44或68)分功能漏报(0x08)我/澳七月-->查证座移动装置

Call with: AH = 44H
AL = 08H
BL = drive number (0 = default, 1=A,
2=B, etc.)

Returns: If function successful
Carry flag = clear
AL = 00H, if medium is removable
01H, if medium is not removable

If function unsuccessful
Carry flag = set
AX = error code

评论:

这一分块设备功能检查是否含有特定移动存储介质,例如软磁盘.若发现果然不立案对某一径 节目可以用这个小组的功能,以确定是否应该促使用户插入另一盘.

 

中国科学院21H条(0x21)

功能丘(0x44或68)分函数09h(0x09)我/澳七月-->检查器座偏僻

Call with: AH = 44H
AL = 09H
BL = drive number (0 = default, 1=A,
2=B, etc.)

Returns: If function successful
Carry flag = clear
DX = device attribute word
bit 12 = 0, if drive is local
= 1, if drive is remote

If function unsuccessful
Carry flag = set
AX = error code

评论:

这个分块的功能检查是否指定当地器(附有电脑自办节目)或偏远(转调网络服务器).

 

中国科学院21H条(0x21)

功能丘(0x44或68)分功能0ah(0x0a或10)我/澳七月-->查证处理迢迢

Call with: AH = 44H
AL = 0AH
BX = handle

Returns: If function successful
Carry flag = clear

DX = attribute word for file or device
bit 15 = 0 if local
1 if remote

If function unsuccessful
Carry flag = set
AX = error code

评论:

三是检查是否指定办理指当地有一个档案或装置(即位于筹委会竞选纲领)或偏远(位于网络服务器).

中国科学院21H条(0x21)

功能丘(0x44或68)分功能0bh(0x0b或11)我/澳七月-->改变共享再审计数

Call with: AH = 44H
AL = 0BH
CX = delays per retry (default = 1)
DX = number of retries (default = 3)

Returns: If function successful
Carry flag = clear

If function unsuccessful
Carry flag = set
AX = error code

评论:

本分次数余套功能-民政retries磁盘操作失败后产生的档案分享才报税错误侵犯的请求过程.本次功能模块不详除非是装载文件共享.

Sample Chapters from book DATA RECOVERY WITH AND WITHOUT PROGRAMMING by Author Tarun Tyagi
Data Recovery with & without Programming


Publishers of the Book
Number of Pages
ISBN
Price of the Book


BPB Publications, New Delhi, India
540
81-7656-922-4
$69.00 (Including Shipping Charges, Cost of Book and Other expenses, Free Source Code CD included with the Book)





Buy Data recovery Book

Previous page

page 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20

 
 

page 21 | 22 | 23 | 24 | 25 | 26

Next page

© Copyright 2002-2005 DataDoctor.Biz

Home | Contact us | Downloads | Services | Terms and conditions | Site map

Website Data Recovery | recuperación de Datos | Récupération de données | Datenrettung | Recupero dati | データ復旧 | 데이터 복구 | 数据恢复 | Восстановление данных | De terugwinning van gegevens | Ανάκτηση δεδομένων
Sitemap Site map1 2 3 4 | Spanish1 2 3 | French1 2 3 | German1 2 3 | Italian1 2 3 | Portuguese1 2 3 | Japanese1 2 3 | Korean1 2 3 | Chinese1 2 3 | Russian1 2 3 | Dutch1 2 3 | Greek1 2 3
Data Recovery Book English | Spanish | French | German | Italian | Portuguese | Japanese | Korean | Chinese | Russian | Dutch | Greek