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  3. 學習啦>學習電腦>電腦入門>《主板的相關知識》正文

    主板的相關知識

    時間:2015-10-12 18:29:09本文內容及圖片來源于讀者投稿,如有侵權請聯系xuexila888@qq.com 廣達 我要投稿

      針對不同用戶的不同需求、不同應用范圍,主板被設計成各不相同的類型,即分為“臺式機主板”和“服務器/工作站主板”。接下來由學習啦小編為大家推薦的主板的相關知識,希望對你有所幫助!
     

      1) 臺式機主板

      臺式機主板,就是平常大部分場合所提到的應用于 PC 的主板,板型是 ATX 或 Micro ATX 結構,使用普通的機箱電源,采用的是臺式機芯片組,只支持單 CPU,內存最大只能支持到 4GB,而且一般都不支持 ECC 內存。

      存儲設備接口,也是采用 IDE 或 SATA 接口,某些高檔產品會支持 RAID。

      顯卡接口,多半都是采用 AGP 4X 或 AGP 8X,某些高檔產品也會采用 AGP Pro 接口,以支持某些高能耗的高檔顯卡。

      擴展接口也比較豐富,有多個 USB 2.0/1.1,IEEE1394,COM,LPT,IrDA 等接口,以滿足用戶的不同需求。擴展插槽的類型和數量也比較多,有多個 PCI,CNR,AMR 等插槽,適應用戶的需求。

      部分帶有整合的網卡芯片,有低檔的 10/100Mbps 自適應網卡,也有高檔的千兆網卡。

      在價格方面,既有幾百元的入門級或主流產品,也有一二千元的高檔產品,以滿足不同用戶的需求。

      臺式機主板的生產廠商和品牌也非常多,市場上常見的就有幾十種之多。

    主板的相關知識

      2) 服務器/工作站主板

      服務器/工作站主板,則是專用于服務器/工作站的主板產品,板型為較大的 ATX,EATX 或 WATX,使用專用的服務器機箱電源。其中,某些低端的入門級產品,會采用高端的臺式機芯片組,例如,英特爾的 I875P 芯片組,就被廣泛用在低端入門級產品上;而中高端產品,則都會采用專用的服務器/工作站芯片組,例如,英特爾 E7501,Sever Works GC-SL 等芯片組。對服務器/工作站主板而言,最重要的是高可靠性和穩定性,其次才是高性能。因為大多數的服務器,都要滿足每天 24 小時、每周 7 天的滿負荷工作要求。由于服務器/工作站數據處理量很大,需要采用多 CPU 并行處理結構,即一臺服務器/工作站中安裝 2、4、8 等多個 CPU;對于服務器而言,多處理器可用于數據庫處理等高負荷高速度應用;而對于工作站,多處理器系統則可以用于三維圖形制作和動畫文件編碼等單處理器無法實現的高處理速度應用。為適應長時間,大流量的高速數據處理任務,在內存方面,服務器/工作站主板能支持高達十幾 GB 甚至幾十 GB 的內存容量,而且大多支持 ECC 內存以提高可靠性。

      服務器主板在存儲設備接口方面,中高端產品也多采用 SCSI 接口而非 IDE 接口,并且支持 RAID 方式,以提高數據處理能力和數據安全性。

      在顯示設備方面,服務器與工作站有很大不同,服務器對顯示設備要求不高,一般多采用整合顯卡的芯片組,例如,在許多服務器芯片組中,都整合有 ATI 的 RAGE XL 顯示芯片,要求稍高點的,采用普通的 AGP 顯卡,甚至是 PCI 顯卡;而圖形工作站對顯卡的要求非常高,主板上的顯卡接口也多采用 AGP Pro 150,而且多采用高端的 3DLabs、ATI 等顯卡公司的專業顯卡,如 3DLabs 的“野貓”系列顯卡,中低端則采用 NVIDIA 的Quandro 系列,以及 ATI 的 Fire GL 系列顯卡等。

      在擴展插槽方面,服務器/工作站主板與臺式機主板也有所不同,例如 PCI 插槽,臺式機主板采用的是標準的 33MHz 的 32 位 PCI 插槽,而服務器/工作站主板則多采用 64 位的 PCI X-66 甚至 PCI X-133,其工作頻率分別為 66MHz 和 133MHz,數據傳輸帶寬得到了極大的提高,并且支持熱插拔,其電氣規范以及外型尺寸都與普通的 PCI 插槽不同。

      在網絡接口方面,服務器/工作站主板也與臺式機主板不同,服務器主板大多配備雙網卡,甚至是雙千兆網卡,以滿足局域網與 Internet 的不同需求。服務器主板技術要求非常高,所以與臺式機主板相比,生產廠商也就少得多了,比較出名的也就是英特爾、超微、華碩、技嘉、泰安、艾崴等品牌。在價格方面,從一千多元的入門級產品,到幾萬元甚至十幾萬元的高檔產品都有。

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