客户PC和服务器的配置不合适
客户PC的配置取决于准备使用的操作系统。如DOS和Windows 3.1只要8MB内存就可运转，而Windows 9x至少要16～32MB，Windows NT少要32MB，好是64MB，特别是Windows 2000，更需要64MB内存。除内存外对Windows 2000来说，应采用更快的处理机和更大空间的硬盘。
在选用客户PC时，虽然可以比服务器的机器差一些，但内存一定要比上面的要求还高一些。因为机器除运转操作系统以外，还要与服务器读写数据。
服务器的CPU和硬盘驱动器承受网络上所有客户机的服务请求。服务器需要大量存储器，比客户机存储器容量要高得多才行。
好知道主板上存储器插槽数目和支持的大内存数量。检查随DCS服务器来的存储器是如何配置的。单条64MB DIMM机器比用16MB模块插满4个插槽的机器更容易升级。
服务器好采用支持ECC内存的存储器。当ECC存储器与一个支持ECC的主板芯片组一起使用时，可纠正单个位存储器错误和检测多位存储器错误。
硬盘驱动器对于服务器也很重要，连在网上的计算机都共享服务器文件，硬盘驱动器应耐用、可靠和适用于同时为多个用户服务的。因此，采用SCSI硬盘驱动器较合适。SCSI驱动器有智能和较快的转速，采用UtraWideSCSI时从驱动器到系统间有极高数据传输率。无论是IDE硬盘驱动器还是SCSI硬盘驱动器，都可采用RAID技术，能更安全地保存数据，提高服务器质量。SCSI总线可连接多台硬盘驱动器，采用一台9GB的硬盘驱动器没有9台1GB的SCSI硬盘驱动器的效率高。
The information is sent to the server, and the client reads and writes data from the server. Due to the large number of clients, if the same connection is used between them, they may crash. The data read by each client from the server can be the same or different. It can also be that all clients display the same content, and multiple operating stations operate redundantly. Each operating station can exchange more data with the server, and 100base port can be used. There is less data exchange between the server and the controller. 10base port is used. There is basically no data exchange between clients, and 10base port can also be used. If this is not the case, a client panic is likely to occur.Improper configuration of client PC and server
The configuration of the customer PC depends on the operating system to be used. For example, dos and windows 3.1 only need 8MB of memory to run, while Windows 9x needs at least 16 ~ 32MB, Windows NT needs at least 32MB, preferably 64MB, especially windows 2000 needs 64MB of memory. In addition to memory, for Windows 2000, a faster processor and a larger hard disk should be used.
When selecting the client PC, although it can be worse than the server machine, the memory must be higher than the above requirements. In addition to the operating system, the machine also has to read and write data with the server.
The CPU and hard disk drive of the server bear the service requests of all clients on the network. The server requires a large amount of storage, which is much higher than the storage capacity of the client.
It is best to know the number of memory slots on the motherboard and the maximum amount of memory supported. Check how the storage that comes with the DCS server is configured. A single 64MB DIMM machine is easier to upgrade than a machine with a 16MB module plugged into four slots.
The server should preferably use memory that supports ECC memory. When ECC memory is used with a motherboard chipset that supports ECC, it can correct single bit memory errors and detect multi bit memory errors.
Hard disk drives are also important for servers. Computers connected to the network share server files. Hard disk drives should be durable, reliable and suitable for serving multiple users at the same time. Therefore, SCSI hard disk drive is more appropriate. SCSI drives have intelligence and fast speed. When using utrawidescsi, there is a very high data transfer rate from the drive to the system. No matter IDE hard disk drive or SCSI hard disk drive, RAID technology can be used to save data more safely and improve server quality. SCSI bus can connect multiple hard drives. One 9GB hard drive is not as efficient as nine 1GB SCSI hard drives.
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