smartdrv
嚯嚯 发表于 2020-06-28 14:49浏览次数：
SMARTDrive（smartdrv）是一种实用程序，可以加载到autoexec.bat中，以在常规内存或扩展内存中创建磁盘缓存。该实用程序通常用于启动磁盘，因为它可以大大提高MS-DOS访问磁盘驱动器的速度。
SMARTDrive (smartdrv) is a utility that can be loaded in the autoexec.bat to create a disk cache in conventional memory or extended memory. This utility is often used boot disks as it can greatly increase the speed of how MS-DOS accesses disk drives.
使用Microsoft Windows而不是MS-DOS的用户不应在autoexec.bat中或Windows运行时加载此行。除非它们在MS-DOS shell中，否则运行Microsoft Windows 95或98的用户无法加载此命令。
Those who are using Microsoft Windows instead of MS-DOS should not load this line in the autoexec.bat or while Windows is running. Users running Microsoft Windows 95 or 98 cannot load this command unless they are in an MS-DOS shell.
目录：
1 smartdrv 运行系统环境
2 smartdrv 语法
3 smartdrv 示例
smartdrv 运行系统环境
Windows 95
Windows 98
MS-DOS 6.0及更高版本
Windows 3.x
smartdrv 语法
安装和配置SMARTDrives磁盘缓存实用程序。
SMARTDRV [/X] [[drive[+|-]]...] [/U] [/C | /R] [/F | /N] [/L] [/V | /Q | /S]
[InitCacheSize [WinCacheSize]] [/E:ElementSize] [/B:BufferSize]
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/X
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禁用所有驱动器的写后缓存。
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drive
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设置特定驱动器上的缓存选项。除非添加+，否则指定的驱动器已禁用写缓存。
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+
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启用指定驱动器的写后缓存。
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-
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禁用指定驱动器的所有缓存。
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/U
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不要加载CD-ROM缓存模块。
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/C
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将当前在写缓存中的所有信息写入硬盘。
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/R
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清除缓存并重新启动SMARTDrive。
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/F
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在命令提示符返回之前写入缓存的数据（默认）。
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/N
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在命令提示符返回之前不写入缓存的数据。
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/L
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防止SMARTDrive将自身加载到高端内存中。
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/V
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加载时显示SMARTDrive状态消息。
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/Q
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不显示状态信息。
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/S
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显示有关SMARTDrive状态的其他信息。
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InitCacheSize
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指定缓存的XMS内存（KB）。
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扩展内存
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InitCacheSize值
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1 MB or less
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All
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1 MB to 2 MB
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1 MB
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2 MB to 4 MB
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1 MB
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4 MB to 6 MB
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2 MB
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6 MB or more
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2 MB
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WinCacheSize
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S指定Windows缓存的XMS内存（KB）。如果未指定此选项，smartdrv将把wincachesize默认为可用的扩展内存量。以下是将要设置的基本图表。
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扩展内存
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WinCacheSize值
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1 MB or less
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0
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1 MB to 2 MB
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256 KB
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2 MB to 4 MB
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512 KB
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4 MB to 6 MB
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1 MB
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6 MB or more
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2 MB
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/E:ElementSize
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指定一次要移动多少字节的信息。
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/B:BufferSize
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指定预读缓冲区的大小。
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Installs and configures the SMARTDrives disk-caching utility.
SMARTDRV [/X] [[drive[+|-]]...] [/U] [/C | /R] [/F | /N] [/L] [/V | /Q | /S]
[InitCacheSize [WinCacheSize]] [/E:ElementSize] [/B:BufferSize]
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/X
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Disables write-behind caching for all drives.
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drive
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Sets the caching options on specific drive(s). The specified drive(s) have write-caching disabled unless you add +.
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+
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Enables write-behind caching for the specified drive.
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-
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Disables all caching for the specified drive.
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/U
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Do not load CD-ROM caching module.
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/C
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Writes all information currently in write-cache to hard disk.
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/R
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Clears the cache and restarts SMARTDrive.
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/F
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Writes cached data before command prompt returns (default).
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/N
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Doesn't write cached data before command prompt returns.
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/L
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Prevents SMARTDrive from loading itself into upper memory.
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/V
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Displays SMARTDrive status messages when loading.
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/Q
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Does not display status information.
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/S
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Displays additional information about SMARTDrive's status.
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InitCacheSize
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Specifies XMS memory (KB) for the cache.
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Extended memory
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InitCacheSize value
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1 MB or less
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All
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1 MB to 2 MB
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1 MB
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2 MB to 4 MB
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1 MB
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4 MB to 6 MB
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2 MB
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6 MB or more
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2 MB
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WinCacheSize
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Specifies XMS memory (KB) for the cache with Windows. If this option is not specified, smartdrv will default the wincachesize to the amount of extended memory available. Below is a basic chart of what will be set.
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Extended memory
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WinCacheSize value
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1 MB or less
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0
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1 MB to 2 MB
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256 KB
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2 MB to 4 MB
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512 KB
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4 MB to 6 MB
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1 MB
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6 MB or more
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2 MB
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/E:ElementSize
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Specifies how many bytes of information to move at one time.
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/B:BufferSize
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Specifies the size of the read-ahead buffer.
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smartdrv 示例
c:\dos\smartdrv.exe /x
此命令将放置在autoexec.bat中。它将smartdrv实用程序加载到内存中，允许访问SMARTDrive，并禁用所有驱动器的后写式缓存。
c:\dos\smartdrv.exe C 1024 512
指定要与smartdrv一起使用的大小。如果未指定缓存大小，则smartdrv将使用所有扩展或扩展内存。
c:\dos\smartdrv.exe /x
This command is to be placed in the autoexec.bat. It loads the smartdrv utility into memory, allows access to SMARTDrive, and disables the write-behind caching for all drives.
c:\dos\smartdrv.exe C 1024 512
Specifies a size to be used with smartdrv. When a cache size is not specified, smartdrv uses all extended or expanded memory.