The meaning of the relevant options in the kernel compilation menu

xiaoxiao2021-03-06  102

PROMPT for development and / or incomplete code / drivers, many reference books say this is the function of developers think it is not very stable, but according to my experience, this is an option that should be selected, because modern Linux is built in these Based on, it should be able to answer Y unless you just want to use something that has been fully constitutive in Linux, but performance is definitely not good, and support for system characteristics is not good. Processor Family (386, 486 / CX486, 586 / K5 / 5X86 / 6X86, Pentinum / K6 / TSC, PPRO / 6X86) This should not be too saying, choose your CPU type, BIOS can be self-test Pay attention to the system's startup information. It should be noted that the CPU that cannot be selected than your CPU type, otherwise it may not work properly. Math Emulation Analog Mathematical Coorders, if your machine has no mathematical coprocessor, then select to improve performance, but 486 after the math coordinator is integrated into the CPU, it should be not used, so The choice is N. Of course, there will be no problems, except that the core is slightly larger. MTTR (Memory Type Range Register) The option is used to start the special features of the Pentinum Pro and Pentinum II. If you are not using this CPU, it is just a larger core. Symmetric Multi-Processing Support Synchronous Processor Support, if you have multiple CPUs, choose. Enable loadable module support This will start the functionality of the extra module, so it is sure to select. Set version INFORMATION ON All Symbols for modules This option can be used for a version of the kernel and is used under another version of the kernel, but it is generally not used. Kernel Module Loader If you enable this option, you can automatically load or uninstall those loaded modules at needed at need. The suggestion is recommended. Networking support If you use any network, you should choose PCI BIOS Support. This is usually selected, unless you use a machine without any PCI device. PCIBIOS is used to detect and enable PCI devices. PCI Bridge Optimization (V1.3) When this option is started, the operating system is optimized for data from the PCI bus from the CPU and the system. This feature has completed the experimental stage, which should be safe, but also Enhanced system efficiency. The System V IPC uses this option to enable the kernel to support the functionality (IPC) of the SYSTEM V process (IPC), and some programs that are transferred from System V will require this feature, which is recommended to enable this feature. SysctL Support Unless you have less memory, you should start this feature, enable this option, the kernel will be 8K, but you can change the parameters of the kernel without having to turn it back. KERNEL Support for Elf Binaries This option allows your system to perform executables stored in ELF format, and ELF is a standard format of modern Linux executable files, target files, and system libraries. These criteria are required when the operating system should work with the compiler and the connector, so I should answer Y. Compile Kernel AS ELF This option allows your kernel itself compiles in ELF format, if the process GCC on your system generates executable files in ELF format, then you should start this option. Let's take a look at the version of your compiler and decide.

Parallel Port Support If you have any parallel ports and want Linux to use, you can enable this option. Linux can not only use the parallel printer, but also support PLIP (a network communication protocol designed for parallel port), ZIP disk drive, scanner, etc. In most cases, you need additional drivers to use external parallel devices. Plug and play support supports PNP devices not Microsoft's patents. If you want Linux support PNP devices, you can conflict with other devices as long as you enable this option, but in some cases collision (I / O, DMA, IRQ, etc.). This option has no effect on the PCI device, because they are born to PNP devices. Normal Floppy Disk Support should answer Y, unless you don't want to use a floppy disk under Linux. But for some systems that do not need to support floppy drives, this option saves some memory. Enhanced IDE / MFM / DLL Disk Support Unless you don't need support for the MFM / DLL / IDE hard disk, you should answer Y, but if you only have SCSI's hard drive, turn off this option will be safe. ENHANCED IDE / MFM / DLL CDROM Support and the above similar, just support for CDROM. Enhanced IDE / MFM / DLL TAPE Support generally does not have many people in tape, so answering N is a better answer. Enhanced IDE / MFM / DLL FLOPPY Support This device is usually no human with, so you can answer N. Xt HardDisk Support If you have this stone's XT hard drive, congratulations, you can use him. Parallel Port IDE Device Supportlinux is an IDE device that supports this very new parallel port. If you have any words, you can use it. Networking Options If you choose a support network in front, you will answer a lot of questions here. Unless you have a special requirement, you should use the default options should be enough. SCSI Support If you have any SCSI control card, this option should answer Y. Find your hardware types in advance, because these issues are for specific SCSI control chips and control cards, if you are not sure which type you use, check your hardware's instructions or Linux's HOWTO document. Also let you answer a lot of SCSI devices (hard drives, cdrom, tape, floppy, etc.), based on your situation. If you don't have a SCSI device, it is recommended not to support because it saves a lot of kernel space. NetWork Device Support has a lot of questions about the network control card, if you can't determine how to choose correctly, check hardware documents or Linux howto documents. Amateur Radio Support This option can be used to start basic support for the wireless network. The current wireless network can transmit data through the public frequency. If you have such a device, you can be enabled, please refer to the AX25 and HAM HOWTO documentation. ISDN Subsystem If you have ISDN hardware, you should enable this option and install the appropriate hardware driver, you should also need to enable the Support Synchronous PPP option (refer to PPP overisdn). Old CD-ROM Drivers This is a problem for some special disc drive programs. If you have IDE or SCSI's CDROM control card, you don't have to enable this option.

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