(Solemn statement: less than 10,000 points, do not do, low-handed hard disk damage)
DM Hard Disk Management Tool
The full name of the DM is Hard Disk Management Program, which can improve the hard disk to improve the use efficiency of the hard disk for low-level formatting, calibration. Currently, users often use DM 4.5 and DM 5.01, which increases some 40MB of new hard drive selection parameters when performing automatic start DM. Each step of DM has English tips, which is simpler.
First, the main function of DM 1. The low-level formatting of the hard disk provides three low-level formatting methods: format tracks, one partition, and the entire disk. 2. Support for the hard disk partition DM is 16, supporting a bootable partition maximum 33MB, and the remaining DOS partition maximum capacity 512MB. There are 3 states for each DOS partition, which are DOS BOOT partitions. Reed Only DOS, WRITE-READ partition. The user can change the status of the partition to protect valid data. For each DOS partition, DM provides variable root directory (64, 128, 256, 512, 1024, 2048), and variable cluster (0.5) K, 1K, 2K, 3K, 4K, 8K, 16K, 32K, 64K), so that users use different distribution clusters to different partitions, greatly improve the utilization of the hard disk. The order of the partition determines the prompt after the starting system, from the first partition start prompt of C:. D:. E :. f: ....., worth noting that if the fdisk system command can only See the top 4 partition information. This makes different partitions respectively, providing different protected methods, which requires the maximum capacity of different users available hard drives. For public system software, tools (such as various editing software) build only public partitions and only use only protection, which improves system security, and also improves the efficiency of the hard disk, so that different users are independent of each other. Using a hard drive, it seems that everyone uses a hard drive. 3. Advanced Formatting DM of the hard disk can advance in each partition of the hard disk. Format the DOS boot area and then load the DOS operating system. 4, optional hard disk parameter configuration DM can manage dozens of types of hard drives (more than DM 5.01 more), users can choose one of the same models as the actual machine's hard drive. If there is no identical model, you can select the same parameters as Number of Head and NumBer of Cyinders. DM provides the possibility of modifying a variety of hard disk parameters. 5, other DM supports multi-operating system sharing hard drive capabilities, which allow 4 operating systems to exist at the same time as the fdisk command. When installing a multi-operating system, the hard disk is quickly formatted due to the operating system installation, so you should pay attention to the installation order. Generally after installing DOS. DM software also supports installation and management of multiple hard drives. The process is the same as the hard disk installation and management.
Second, DM startup and use
Command format: A:> DM [parameter] where the parameter takes the following value: / m DM software into manual entry, if there is no parameter, the DM runs automatically, and executes initialize. Partitiong. Preparafion. / C DM software is executed in color, that is, running on a color display. / P DM software manages the hard drive in a PC / XT method. / A DM software manages the hard drive in a PC / AT. / 2 DOS 2.xx version mode. / 3 DOS 3.xx version mode. / 4 DOS 4.xx version mode (only this parameter only in DM 5.01). / V DM runs in a changeable cluster length, root-based mode.
Start in the actual use: 1, A:> DM (automatic mode. Many parameters when the hard disk is initialized, almost do not manually intervene in the default value). 2, A:> DM (manually. Some parameters should be manually specified when formatted). Third, use DM precautions
1, automatic mode and manual selection
When using DM, if an automatic mode is used, the program is to prompt the user to enter the correct disk model. If the input disk model is not pair, the DM will give an error message and require the user to input from the new input. This requires users to have enough understanding of the disk model used, which is not available in many cases. Therefore, although it is simple, it is as simple as it is, but the hard disk model is required. Under the model you don't know the disk, create a manual mode: DM / m to start the DM program.
2, manual use
After the DM / M, the screen appears as the main menu: main menu: (i) nTIIZATION (p) Artitionging menu (s) Elect Drive (c) onfiguration menu (r) eturn to dos select an Option (r) _
Enter I. P.s. C or R at the cursor to enter the initialization submenu, the partition submenu, select the drive configuration submenu or return DOS.
(1 )i - initialization menu
After entering i in the main menu, enter the initialization menu:
Screen Shows Initalization Menu: Help Avalable By Pressing F1 (i) NTURN OR (V) Erify SURFACE (D) Efect-List Management (R) ETURN To Main Menu Select An Option (R) _ There are 4 selection in this menu : I, v, d, r: a, select I Enter the initialization, screen questions: is the Above defect-list aceurate for this disk (y / n): If Y, then ask questions, is a partition, partition Also the entire disk is initialized, initialize the entire disk, then display: Hard Disk Management Program V4.5 Drive 1,305 Cyls by 4 heabs. .................. ........................................ CY1 - HD CY1 - HD CY1 - HD CY1 - HD CY1 - HD CY1 - HD CY1 - HD ................................................... ................ initialization menu: (i) NTIALIZE OR (V) Erify SURFACE (D) EFET-LIT Management (R) ETUEN to Main Menu
SELECT AN OPTION (R): I is The Above Defect-List Accurate for this disk? (Y / N): Y Do a (t) Rack, (P) ARTION (D) ISK, (R) ETURN TOITIZATION MENU
SELECT An Option (R): D Enter Interleave Value: (1-16 optional)
THIS WILL DESTROY ANY EXITINUE? (Y / N): When getting affirmative answer, the input interval factor (take 1-16), answer after answering: this will deStrpy any Existwg Data on this Disk! Continue? (Y / n): Enter Y starting low-level formatting, and lose n Returns the initialization submenu. B, check the hard disk after selecting V. When V. DO A (T) RACK, (P) Artition, EWTIRE, (D) ISK, (R) ETUM TO INIT MENU Sclectopton (R) is to check the entire hard disk; T - check for a certain track; P - check a partition. C. Enter d in the initialization submenu will enter the defect table management submenu. (2 )P - partition submenu
Under the main menu, enter P, the screen will appear on the hard disk and the standby column number, type, etc. of the partition, and simultaneously ask: Does the Above Partition Table RequidIfiction (Y / N)? Partition Menu, in this menu, you can delete, install, change the type of partition, select the boot partition, create a new partition information table. Answer n, that is, enter the Preparation Menu (Prepare menu), you can prepare a partition (P) under this menu or change any partition (C).
(3) S - Select the drive
Users can use the S key to select the hard drive number (1 ~ n) you are ready to initialize.
⑷C - Configure the submenu
Enter C under the main menu, will enter the Configuration Menu. Here is an example: Hard Disk Managemnt Progrram V4.5 Drive 1,305 Cyls by 4 heads. ............................. ............................. disk parameters (cylinders by sectors) Are Now Standard Drive 1 is actually 305 by 4 by 17 ............................................. ............ configura tion menu: Help available by Pressing F1 (s) Tandard Parameters, (N) ON-Standard Parameters (W) Rite Configuration, (R) ETURN TO Main Menu Seeelect An Option (R): At this time, the screen tells the user that the current disk parameter (number of cylinders, number of cylinders, number of sectors per sector) is standard; the No. 1 driver is: 305 cylinders, 4 heads, each 17 A sector. At this time, you can type S to select the standard parameters, or you can also be entered into N, select a non-standard parameter, then use the W command to write the configuration information selected by the user to the configuration recording area for later use.
⑸R - exit DM
In the main menu, select R or Enter (default R) to exit DM, return to DOS; in each submenu, select R or Enter (default R) can return to the previous menu.
