Co' le~ ca'i CPU fan cu?a ba'c cu? ro^`i hay ca'i power supply cu?a ma'y
ba'c thie^'u na(ng lu+.c. Ba'c pha?i thay hay chu+?a ngay kho^ng tho^i ca'i
CPU ddi ddong. Ba'c thu+? (hay nho+` anh na`o khe'o tay) chu+?a nhu+ sau:
1. Boot ma'y va`o CMOS (DEL -key) ddo.c to^'c ddo^. fan (pha^`n DMI) tu+`ng
3 gia^y ra sao? va` la('ng nghe to^'c ddo^. fan khi ddo.c. Vi` CPU ddang o+?
CMOS/BIOS state ne^n kho^ng co' "cha.y theo CPU load na`o, nhu+ o+?
"compiling mode" :( cha(?n ha.n. Ca'c ma.ch chu? (motherboard) nga`y nay
ddu+o+.c thie^'t ke^' vo+'i power supply vu+`a ddu? va` pha^`n hie^.u chi?nh
ddie^.n the^' (voltage regulator) kha' vu+~ng ne^n ti`nh tra.ng "fan hoa.t
ddo^.ng theo load cu?a CPU" ra^'t hie^'m. Ngoa`i ra, pha^`n tie^'p te^'
ddie^.n lu+.c cho CPU ra^'t nha^.y (sensitive) ne^n ta^'t ca? ca'c ma.ch
chu? dde^`u ddu+o+.c thie^'t ke^' pha^`n tie^'p te^' ddie^.n lu+.c na^`y
rie^ng cho CPU (3.3V/3.5V/3.8V) vo+'i voltage regulator rie^ng. Tra'i la.i
CPU fan va` system fan co' pha^`n tie^'p te^' 12V rie^ng va` to^`i ho+n
(11V...14V dde^`u ddu+o+.c xem la` to^'t cho fans). Va^.y ne^'u trong
CMOS/BIOS state ma` fan va^~ "ga^`m ru'" tu+`ng ho^`i thi` co' le~ la` fan
thie^'u da^`u mo+~. Ba'c tie^'p bu+o+'c sau.
2. Ta('t ma'y va` nho^? ca'p ddie^.n ra kho?i ma'y.
3. Nho^? fan power/tacho cable kho?i ma.ch chu?.
4. Tha'o 4 o^'c o+? 4 go'c ho^.p fan. va` la^'y fan ra kho?i CPU heat sink.
5. Tho^?i bu.i tu+' phi'a, trong ngoa`i fan va` heat sink. Ne^'u ca^`n,
du`ng "co^`n", ta(m va` bo^ng go`n dde^? chu`i pha^`n bu.i kho' ra.
6. Go+~ mie^'ng gia^'y nhu+.a che ho^.p "ba.c dda.n" tre^n tru.c qua.t (fan)
va` chui` sa.ch pha^`n da^`u mo+~ cu? va` nho? va`o ddo' ti' da^`u cu?a
tho+. ddo^`ng ho^` (Tuye^.t ddo^'i kho^ng ne^n du`ng "da^`u a(n", olive
oil.. cho co^ng vie^.c na`y!).
7. Da'n mie^'ng gia^'y nhu+.a che ho^.p "ba.c dda.n" la.i.
8. Ga('n 4 o^'c o+? 4 go'c ho^.p fan va`o CPU heat sink.
9. Ga('n fan power/tacho cable tro+? la.i ma.ch chu? - Chu' tro.ng dde^'n
connector key cho ddu'ng polarity.
10. Ga('n ca'p ddie^.n va`o ma'y va` ba^.t ddie^.n cha.y ma'y.
11. Boot ma'y va`o CMOS (DEL -key) ddo.c to^'c ddo^. fan (pha^`n DMI) tu+`ng
3 gia^y ra sao? va` la('ng nghe to^'c ddo^. fan khi ddo.c. So sa'nh vo'i
nhu+~ng hie^.n tu+o+.ng ghi nho+' o+? pha^`n 1.
12. Ne^'u fan dda~ he^'t "ga^`m ru'" tu+`ng ho^`i trong vo`ng 1/2.. 1
tie^'ng ddo^`ng ho^` thi` xin chu'c mu+`ng ba'c. Co`n kho^ng co' gi` kha?
quan thi` ba'c pha?i thu? thay ca'i power supply hie^.n ta.i vo+i mo^.t ca'i
lo+'n ho+n (vi' du. thay cho 350W ba(`ng 400W hay thay cho 400W ba(`ng
450W). Ba'c co' the^? xai` tie^'p ca'i power supply cu~ nhu+ng ta('t
(shutdown) tu+`ng pha^`n trong ma'y (hard disks/modem card/LAN card) dde^?
gia~m na(ng lu+.c ca^`n thie^'t khi ma'y cha.y. Ne^'u fan dda~ he^'t "ga^`m
ru'" tu+`ng ho^`i thi` qua? la` ca'i power supply cu?a ma'y ba'c ca^`n
"ta(ng ca^'p"\.
La^`n nu+~a, kho^ng ai mang tra'ch nhie^.m ne^'u co' nhu+~ng su+. co^' xa^?y
ra, ngoa.i tru+` ba'c, khi ba'c theo nhu+~ng lo+`i khuye^n tre^n.
Chu'c ba'c tha`nh co^ng! :)
From: Nguyen Duy Tho <[EMAIL PROTECTED]>
Reply-To: vietlug-users@lists.sourceforge.net
To: vietlug-users@lists.sourceforge.net
Subject: Re: [Vietlug] Cau hoi ve phan cung : Fan speed
Date: Sun, 26 Feb 2006 22:16:03 +0700
maikhai wrote:
>Hi List!
>
>Khi may dang compile mot apps, CPU lam viec the^' na`o ma` to^c ddo^. Fan
thay
>ddo^?i lie^n tu.c, co' tie^'ng ru`ng ru'ng tu+`ng cha(.p va` fan ta(ng
to^'c
>ru' ri't ra^'t nhanh sau ddo' la.i gi?am, ro^`i la.i ta(ng, lie^n tu.c
nhu+
>va^.y trong suo^'t qua' tri`nh la`m vie^.c.
>(main Gigabyte 915, CPU Intel P4)
>
Ca'i na`y la` hoa`n toa`n bi`nh thu+o+`ng. Bie^n di.ch chu+o+ng tri`nh
kho^ng pha?i la` mo^.t qua' tri`nh la`m cho CPU hoa.t ddo^.ng 100% ma`
nhu+ go+.n so'ng.
Lu'c di.ch xong 1 file thi` CPU la.i la`m vie^.c i't ddi ne^n to^'c
ddo^. qua.t cu~ng thi'ch nghi theo mu+'c ddo^. la`m vie^.c cu?a CPU.
Qua.t ddi ke`m CPU thi` ho+i o^`n, ba'c ne^n mua loa.i co' ta?n nhie^.t
to^'t ho+n thi` thu+o+'ng co' to^'c ddo^. cha^.m ho+n thi` se~ i't o^`n
ho+n.
TND
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