馬克常常遇到許多不知道如何選擇carpc的網友,多少有一些心得,由於每位網友的實際情況都不一定相同,馬克也非常願意給予大家意見,但是有時候也還是希望網友依照自己的情況判斷最適合自己的方案,畢竟使用者不是馬克我。
相信所有已經裝好carpc的夥伴都歷經了幾番波折才找到自己要的商品,這一系列的CarPC入門指南希望能縮減各位這些無謂的過程,也希望對各位有幫助,如果有什麼地方寫不對的也請夥伴們能不吝指教。
一,主機的位置
一旦決定要裝carpc,主機擺放位置很重要,大部份安裝的位置以座椅下.行李箱.手套箱居多,主要的考量點在於:
1.散熱
是否通風?如何散熱?
2.拉線
有些安裝位置需要拆車件才能將線材隱藏,這部份還牽涉到日後的維護的問題,將線材做上記號以及整理整齊,對於日後的維護幫助很大,並且可以節省下次找線的時間。
3.橾作
如光碟機或USB…等,是否方便使用?
4.空間
不要認為車大,空間多,主機大一點也沒關係,真有一天有其他情況需要用到這一丁點的空間時,再後悔也來不及了,din size是迷思,馬克認為,以目前市場上現有的產品要做到din size是沒什麼問題,但是要付出的代價會比較高,真的執意要din size,除非是預算夠,否則馬克還是建議放置在其它位置。
5.預算
最後,也是最重要的一點,就如同PC市場一樣,二萬元一台的電腦也有,十萬元一台的電腦也有,同樣的東西也有可能價差數十倍,總共要花多少錢必須先定下來!所有的組件與同一商家購買,往往都會有些優惠或贈品!!
二,主機的選擇
當以上幾點都確定後,就可以開始找主機,手邊如有現成的零件也可以拿來利用,但是有一點請注意,相信大家都是把carpc拿來使用的,如果這個零件連你也不確定還可以撐多久,還是另外換一個吧!拆上拆下的浪費太多時間,將會錯過生活中其它精采的事物。
效能,也是主機選擇的考量之一,但不是唯一的考量點,馬克這裡指的效能是指carpc的多功使用,如果只是一般的導航及多媒體,以VIA或是P3的等級就己足夠。
1.準系統
泛指使用AC110V電源以及DC12V電源的所有準系統,使用AC110V電源的準系統,在一般三C量販店,網路或電腦門市都可以買到,我們不如稱它為市售準系統,而這一類的準系統大多是配置5.25″的光碟機以及3.5″硬碟,這樣的配置,其耐震度以及耐溫度,都比特殊準系統(DC12V電源)遜色,也由於電源是AC110V,比較建議將電源供應器更換為DC12V的,(由於這部份關係到電源瓦數的換算以及改裝的技巧,馬克在本篇入門指南中只簡單說明,有興趣了解的網友歡迎在版上提問,或是看有沒有夥伴願意幫馬克補充這部份內容)直接使用DC-AC Converter(交直流轉換器)並不是一個很好的方式,馬克並不建議各位使用。而特殊準系統以特殊的規規居多,不是標準1din,也不屬於任何電腦主機版的規格,內容架構與市售準系統一樣,原廠出貨就包含機殼+主機板+PSU,不同的是,大部份是以筆設型電腦的Slime type光碟機以及2.5吋硬碟為主,販賣的地方大多以公司或網拍居多。
2.Mini-ITX組裝電腦
Mini-ITX的大小是17×17公分,與一般PC的Micro-ATX,Flex-ATX同樣是屬於一種制式化的規格,所以可以任意搭配主機版以及機殼,而Mini-ITX由於有一些特性,例如:低功耗,低溫度…等,所以一般拿來應用的環境都是比較艱辛的地方,
目前市場上比較常見的Mini-ITX主機版還是以威盛的為主,其它如P3或P4的比較少一點,至於像Pantium-M,AMD Geode,不但少,價格亦不斐,市場售價大多在$7000以上,而市場上的Mini-ITX PC大多是組裝的,意即A版+B殼,或C版+B殼,所以馬克並不將此分類規列在以上準系統中,而規類於Mini-ITX組裝電腦,以穩定度的角度來說,這個方案比DIY改裝或是市售準系統來的好,販賣的地方大多以公司或網拍居多,其中有一點比較特別,部份廠商只認經銷商不認產品,確定日後有問題還找的到賣方是保障自己的不二原則。
3.DIY改裝
為什麼是改裝?車上以及室內有若干條件是不同的,如電,溫度,震動,灰塵,濕度…等等,任何組件的使用都將影響其系統的運作及穩定度,而原本是設計給一般室內環境使用的組件,將其轉移至車中使用,雖不至於下場淒慘,但相較於經過測試的(或是說設計者本身就己考量過用途的設計),決對是比較不智的選擇,所以,馬克並不會建議網友用這樣的方式安裝,其中要解決的問題還不少。
總結以上,馬克建議想要快速有一組carpc的網友可以使用現成的特殊準系統或Mini-ITX組裝電腦來達到目的,如果是喜歡享受改裝過程的,可以試看看用手邊現有的東西下手相信二者都有很大的樂趣!
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