Tang toc phan cung tu BIOS may tinh

Tags: bo vi xu ly, thiet bi do hoa, hieu suat may tinh, he so nhan, co the duoc, duoc nang cao, khong can thiet, xung nhip, toc do, he thong, tang toc, cua ban, chuc nang, BIOS, CPU


Khong can thiet phai bo ra nhieu tien de trang bi cho may tinh cua ban nhung thiet bi do hoa tien tien nhat voi chuc nang xu ly hinh anh game sieu toc. Chi can mot chut nang cap co ban, hieu suat may tinh cua ban co the duoc nang cao dang ke.

Doi voi nhung nguoi moi lam ban voi may vi tinh, co the tu tang toc cho may tinh hoan toan khong mat dong nao bang cach nang cao xung nhip cua bo vi xu ly cung voi chip do hoa trong chuong trinh he thong nhap/xuat co ban (BIOS - Basic Input/Output System) duoc luu tru o bo nho CMOS ngay tren bo mach chu. Bien phap nay duoc goi bang thuat ngu overlock.

Duoc xem nhu la chuong trinh duoc chay dau tien khi may tinh khoi dong, chuc nang chinh cua BIOS la chuan bi truoc cho may tinh san sang de cac chuong trinh phan mem duoc luu tru tren cac thiet bi luu tru (chang han nhu o cung, dia mem va dia CD) co the duoc nap, thuc thi va dieu khien may tinh.

Hau het cac don vi xu ly trung tam (CPU) deu co the hoat dong on dinh o tan so xung nhip cao hon so voi cac thiet lap truoc cua nha dai ly cung cap may tinh. Vi nha san xuat bao gio cung de ra mot khoang toi thieu cho cac thiet bi, goi la gioi han cho phep. Doi khi, trong luc san xuat, mot so thiet bi phan cung duoc ha thap hieu suat xuong duoi muc tinh toan nham tang tinh on dinh cua thiet bi. Chinh vi vay ma chung ta moi co the day toc do len de khai thac thiet bi do.

Tang toc phan cung tu BIOS may tinh
May tinh CyberPower co tinh nang overclock tich hop san.

Hien nay mot so nha san xuat nhu CyberPower da dua ra dong san pham bo mach chu tich hop san he thong tang xung nhip, tuong thich voi mot so tien ich cua Windows, cho kha nang thiet lap cau hinh xung nhip ma khong can su dung trinh cai dat may tinh (Setup Bios).

Thong thuong nhung tien ich ho tro duoc ban kem theo thiet bi, neu chua co, ban co the dung phan mem sau:

Cpu-Z: http://www.cpuid.com

Sisoft Sandra: http://www.sisoftware.co.uk/sandra

Trong truong hop khac, mo trinh Setup Bios bang thao tac bam phim Del trong khi khoi dong may. Tim kiem cac thiet lap trong BIOS doi voi he thong dong ho xung nhip va kenh truyen du lieu tuyen truoc (FSB). Trinh don chuc nang nay co the duoc gan nhan la "Advanced Chipset Features". Chu y rang ten cua cac thiet lap va khu vuc chuc nang thay doi voi cac phien ban BIOS khong giong nhau. O day cach tot nhat de co duoc hieu suat CPU o toc doc cao nhat la thong qua qua trinh thiet lap va chay thu.

Toc do cua CPU duoc quyet dinh boi hai thanh phan: Bus Frequency (tan so bus) va Frequency Multiplier (he so nhan, hay con goi la ratio).

Thi du: Khi nguoi ta ghi la Intel Celeron 900MHz, co nghia toc do cua con CPU nay la 100MHz x 9, trong do 100 la tan so bus, con 9 la he so nhan. He so nhan tang theo tung 0,5 don vi, trong khi tan so bus lai tuy thuoc vao Clock Generator (tam dich la bo phan sinh ra xung nhip) cung nhu thiet dat cua nha san xuat.

Co 2 cach de ban nang xung nhip cho CPU. Gia tang he so nhan de nang tan so cua bo vi xu ly. Hoac dieu chi tang tan so cua he thong dong ho FSB. Thanh phan nay co chuc nang kiem soat RAM va bo mach chu.

Phuong phap don gian nhat la thay doi he so nhan. Neu FSB chay o toc do 200MHz va he so nhan cua no duoc dat len 14 thi CPU se hoat dong voi toc do 2.8GHz. Nang tiep he so nhan len 16, toc do CPU se dat 3.2GHz.

Tuy nhien, ngoai tru nhung bo vi xu ly cao cap thuoc dong Athlon FX cua AMD hay Extreme Edition cua Intel deu bi khoa he so nhan. Hau nhu cac CPU cua Intel san xuat va ban rong rai ngoai thi truong trong thoi gian gan day khong con cho phep chung ta hay doi he so nhan ma chi co the thay doi duoc tan so bus. Do vay, voi cac may tinh su dung bo vi xu ly nay chi co the tang toc cho FSB.

Gia tang toc do cua FSB co hieu luc khong chi voi CPU ma con ca voi toc do trao doi du lieu giua bo nho.

Thay doi tham so nay co the dan toi tinh trang may tinh bi treo, do vay can phai dieu chinh RAM cho phu hop cung voi nguon dien cung cap.

De tim ra toc do toi da cho phep ma may tinh co the dat duoc, ban hay thiet lap tung muc mot trong BIOS roi chay thu, neu may hoat dong tot thi nang tiep cho den khi he thong khong dap ung duoc thi hay dua ve cac thong so thiet lap lien ke truoc do.

Neu la nguoi can than, ban co the tang xung nhip cua may tinh hau nhu khong gap rui ro nao. Tuy nhien CPU cua ban se hoat dong toa nhiet luong cao hon, song viec theo doi va kiem soat nhiet do cua he thong cung kha de dang. Mac du vay, can chu y rang tang xung nhip thuong dong nghia voi quyen bao hanh he thong may tinh cua ban khong con hieu luc cung nhu co the lam cho toan bo he thong tuy nhanh hon nhung se kem on dinh hon va giam bot tuoi tho cua thiet bi. Do vay, ban nen dua he thong tro lai nguyen trang mac dinh trong truong hop khong thay hieu suat duoc tang cuong trong khi thiet bi toa nhiet mot cach vo ich.

Vu Anh Tu

Ky toi: Thuc hanh voi BIOS Setup

Viet Bao

Tìm hiểu: bo vi xu ly, thiet bi do hoa, hieu suat may tinh, he so nhan, co the duoc, duoc nang cao, khong can thiet, xung nhip, toc do, he thong, tang toc, cua ban, chuc nang, BIOS, CPU

Xem Bản Tiếng Việt Có Dấu: Tăng tốc phần cứng từ BIOS máy tính

Ban co the doc ban tieng Viet co dau cua bai viet Tăng tốc phần cứng từ BIOS máy tính bang cach nhan chuot vao duong dan tren.

Lien he ve tin Tang toc phan cung tu BIOS may tinh

Nhan xet, hay lien he ve tin Tang toc phan cung tu BIOS may tinh co the gui bang duong dan o duoi. Ban nen gui kem tieu de bai viet Tang toc phan cung tu BIOS may tinh de lam tham khao. Bai viet nay thuoc chuyen de Kinh nghiem trong chuyen muc Cong nghe.

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