Instruction/ maintenance manual of the product H81 Pro BTC Asrock
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User Manual.
V ersion 1.0 Pu bli she d Oc t ober 2 013 Cop y r ig ht©2 013 ASRock I NC . A l l r i g hts re ser ved . Co pyrig ht No ti ce : No pa r t of t h is d oc u ment at ion may be r epro duce d, t r a n sc.
Cont ents Chapt er 1 Introduction 1 1 . 1 Package Cont ents 1 1 . 2 Specications 2 1 . 3 Unique Fea tures 6 1 .4 Motherboard L ayout 9 1 . 5 I/O P an el 1 1 Chapt er 2 Installati on 1 2 2. 1 Installing the CP U 1 3 2. 2 Installing the CP U Fan and Heatsink 1 6 2.
4.2 Main Screen 40 4.3 OC T weaker Screen 4 1 4.4 Advanced Screen 49 4.4. 1 CPU C onguration 50 4.4.2 Chipset Congu ration 5 2 4.4.3 St orage Conguration 54 4.4.4 Intel ® Smart Connec t T echnolog y 5 5 4.4.5 Super IO Conguration 56 4.4.6 AC PI Conguration 58 4.
H81 Pro B TC 1 English C ha pt er 1 In tr od u ct i o n a n k you for pu rc ha si ng A SRoc k H81 Pro BTC mot her bo a rd, a r el ia ble mot her bo a rd produc ed u nde r ASRo ck ’s consis tent ly s t r i ngent qu a l it y c ontr ol.
2 English 1 .2 S pec ic at ion s Plat fo rm • ATX Form Fa ct or • A l l So lid C ap ac itor de sig n CPU • Suppor ts 4 th Gen erat i on Inte l® Core TM i7 / i5 / i 3 / Xe on® / Pentiu m® / Celeron® in L GA11 50 Pa ck a ge • Dig i Power de sig n • 4 Power Phas e de sig n • Suppor ts I ntel® T u rbo B o ost 2 .
H81 Pro B TC 3 English • Suppor ts Auto Lip Sy nc, De ep C olo r ( 12bp c) , x vY CC a nd HBR (H ig h Bit R at e Audi o ) w it h HDM I Port (Compl ia nt HDM I mon itor is r equ i red) • Suppor ts H DCP w ith H DM I Por t • Suppor ts Fu l l H D 108 0p B lu-ray (BD) playbac k w it h H DM I Port Audi o • 5.
4 English Conn ec to r • 1 x IR He ade r • 1 x COM Por t Hea der • 1 x Power LE D Head er • 1 x TPM Hea der • 2 x CPU Fa n C onne c tors (1 x 4-pi n, 1 x 3 -pin) • 2 x Ch.
H81 Pro B TC 5 English Ple a se r ea li ze t ha t th er e i s a ce r ta in r i sk i nvo lve d w ith o ve rcl o ck ing , i nc lu di ng a dju s t- ing t he s et t ing i n th e BIOS , a pp ly ing Un ti ed O ve rc lo ck in g T e ch no lo g y, or u si ng t hird - par t y o ve rcl oc ki ng to ol s.
6 English 1 .3 U ni que Fe at ur es ASRock A- T un ing A- T u n i ng i s ASRo ck ’ s mult i pu r p os e so wa re su ite w ith a ne w i nter f ace , more ne w feat u res a nd improve d ut i l it ies , i nclud i ng X Fast R A M, D ehu mi di er, Goo d Nig ht LE D, F A N- Tast ic T u ni n g, O C T wea k er a nd a w hole lot more .
H81 Pro B TC 7 English ASRock Cra shl ess B IO S ASRo ck Cr a sh le ss BIO S a l lows u se rs to up d ate t he ir BIOS w ithou t fea r of fa i li ng. I f power los s o cc u rs du r i ng t he BIOS up d at in g proc es s , ASRo ck C ra sh le s s BIOS w i l l automat ic a l l y ni sh t h e BIOS upd ate pro ce du re a e r rega i n i ng p ower.
8 English ASRock Restart t o UE FI Wi ndows® 8 br i ngs t he u lti mat e bo ot up ex p er ienc e. e li g ht ni ng b oo t up spe ed ma k es it h a rd to ac ce ss t h e UE FI s et up. A SRoc k Re st a r t to U E FI a l l ows u ser s to enter t he U E FI aut omat ic a l ly w hen t u r n in g on t he PC .
H81 Pro B TC 9 English 1 .4 Mo t he rbo ar d L a yo ut AT X P W R 1 I n t e l H 8 1 C M O S B a t t e r y 32 M b BI O S D D R 3 _ A 1 ( 6 4 bi t , 2 4 0 - p i n m o d u l e ) D D R 3 _ B 1 ( 6 4 bi t .
10 English No. De scr ip ti on 1 CPU Fa n C on nec tor (CPU_FAN2) 2 CPU Fa n C on nec tor (CPU_FAN1 ) 3 Power Fan C on ne c tor (PW R _FAN1 ) 4 ATX 12V Power Conn ec tor (A TX 12V1 ) 5 2 x 24 0 -pi n .
H81 Pro B TC 11 English 1 .5 I / O P ane l No. De scr ip ti on No. De scr ip ti on 1 PS/2 Mou se Por t 7 Front Spea ker (L im e ) 2 Pa ra lle l Port 8 Mic rophone (P i n k) 3 USB 3.
12 English is i s a n ATX form f ac tor mo t herb oa rd . B efore you i n st a l l t he m ot herb oa rd , s tu dy t he con g u rat ion of y our c ha s sis t o ens ure t hat t he mot he rb oa rd t s i nto it.
H81 Pro B TC 13 English 2. 1 I n st al li ng t he C PU 1. Be for e you i n se r t th e 1150-P in C PU int o the s oc k et , pl e a se c he ck i f th e Pn P ca p i s on the s oc k et , if t he C PU sur f ac e i s un cl e an , or i f th er e are a ny b en t pi n s in t he s oc ke t .
14 English 4 5 3.
H81 Pro B TC 15 English Ple a se s ave a nd r ep l ac e th e co ve r if th e p roc e ss or i s re mo ve d . e c ov er m u st b e pl a ce d if yo u w is h to re tu r n th e mot he rb oa rd fo r a e r se r v ic e.
16 English 2.2 In sta ll in g t he C P U F a n a nd H ea tsi nk 1 2 CPU_ FAN.
H81 Pro B TC 17 English 2.3 I nst al li ng M emo r y M od ul es (D IMM ) is mot h erb oa rd prov id es t wo 2 4 0 -pi n DDR3 (D ouble D at a Rat e 3) D I M M s lot s, a nd supp or t s Du a l C ha n nel Memor y T ech nol og y. e DI M M on ly t s in o ne c or re c t or ie nt at io n .
18 English 1 2 3.
H81 Pro B TC 19 English 2. 4 Ex pan si on S lo ts ( PC I Ex pr es s S lo ts ) ere a re 6 P CI E x pres s sl ots on t he mot herb oa rd . PCIe s lots : PCI E 2 (PC Ie 2. 0 x16 slot) is use d for PC I E x pres s x16 lane w idth g r aph ic s ca rd s .
20 English 2.5 Ju mpe rs S etu p e i l lus t r at ion shows how ju mp ers a re s et up. W hen t he jump er c ap is pl ac ed on t he pi ns , t he ju mp er is “ Shor t ”. If no jump er c ap is p lac ed on t h e pin s , t he ju mpe r is “O pen” .
H81 Pro B TC 21 English 2. 6 O nb oar d H e ad ers a nd C o nn ect or s Syst em Pa ne l Head er ( 9-pi n P A N EL1 ) ( s ee p.9, No. 15 ) Con ne c t t he power sw it ch, re se t sw itch a nd sy st em st at u s in di cat or on t he ch as si s to t h is he ad er acc ord i ng to t he pi n as sig n ment s be low.
22 English Ser i a l AT A 2 C on ne ct ors (SA TA2 _0 : se e p.9 , No. 1 1 ) (SA TA2 _1: se e p.9 , No. 13 ) es e t wo SAT A 2 con nec tor s supp or t SAT A dat a c able s for i nter na l stor ag e dev ices w ith up t o 3.0 Gb/s dat a t ra n sfer r ate.
H81 Pro B TC 23 English Cha s si s Spe a ke r Head er ( 4 -pi n SPE A K ER 1 ) ( s ee p.9, No. 1 0) Plea se c on nec t t he c ha ss is spe a k er to t h is h ead er. SPDIF Out C on ne ct or (2-pin SPDIF_OU T1 ) ( s ee p.9, No. 19 ) Plea se c on nec t t he SPDIF_OUT c on nec tor of a HDM I VGA ca rd to t h i s hea der w it h a c a ble.
24 English ATX 12V Po wer Con ne c tor (8-pin ATX12V1 ) ( s ee p.9, No. 4 ) is mot h erb oa rd pro - v ide s a n 8 -pin ATX 12V power c onne c tor. T o use a 4-pi n ATX p ower suppl y , plea se plu g it a lon g Pi n 1 a nd Pi n 5. SLI / X F IR E Power Con ne c tors ( 4 -pi n SL I/ X F I R E _ PW R1 ) ( s ee p.
H81 Pro B TC 25 English C ha pt er 3 Softw ar e an d Ut il it ie s O pe ra ti on 3 . 1 In sta ll in g Dr iv ers e Supp or t CD t h at come s w it h t he mot herb oa rd c onta i ns n ec es sa r y dr ive rs a nd us ef u l ut i lit ie s t hat e nh a nc e t he mot he rbo a rd ’s featu re s .
26 English 3 .2 A- T un ing A- T u n i ng i s ASRo ck ’ s mult i pu r p os e so wa re su ite w ith a ne w i nter f ace , more ne w feat u res a nd improve d ut i l it ies , i nclud i ng X Fast R A M, D ehu mi di er, Goo d Nig ht LE D, F A N- Tast ic T u ni n g, O C T wea k er a nd a w hole lot more .
H81 Pro B TC 27 English T ools V a r ious t ool s a nd ut i l it ie s. XFast RA M Bo ost t he sy ste m’ s pe r form a nc e a nd ex te nd t he H DD’ s or SDD’ s l i fes pa n! C reat e a hid den p a r t it ion, t he n as sig n w h ich le s shou ld be store d i n t he R AM d r i ve.
28 English Deh umidi er Pre vent mot he rbo a rd da mage s due to d a mpne ss . En able t h i s f u nc t ion a nd con g u re t he per iod of t i me u nt i l t h e compute r power s on, a nd t he du r at ion of t he dehu m id i f y i n g proc es s.
H81 Pro B TC 29 English T ech Se rvice Cont ac t T e ch S er v ice..
30 English 3 .3 I n t el ® S mart Co nne ct T ec hn olo gy Inte l® Sma r t C on nec t T e ch nolog y is a feat u re t h at per io d ic a l ly w a ke s you r compute r f rom Wi ndows® s lee p st ate to re f res h ema i l or soc ia l ne t work ing ap pli cat ion s.
H81 Pro B TC 31 English 3 .3.2 Se tu p Gu ide In stal ling ASRock Sma rt C onn ect Ut ility Ste p 1 In st a l l A SRoc k Sm ar t C on ne c t Uti l it y , whic h is l oc ate d i n t he folde r at t he fol low i ng pat h of t he S uppor t C D: A SRoc k Ut i lit y > Sma r t Co nne c t .
32 English Ste p 3 Cl ick t he Add but ton. Take Fox m a i l a s a n ex a mple , add Fox m a i l to t he Ap plic at ion li st . Ste p 4 Sel ec t Fox ma i l f rom th e Appl ic at ion L ist , t hen cl ick t he ar row p oint i ng r ig ht to a dd t hi s appl ic at ion to t h e Sma r t C on ne ct L i st .
H81 Pro B TC 33 English Ste p 6 Double -c l ick t he Intel® Sm a r t C onn ec t T ec h nolog y Ma na ger ic on in t he Wi ndows s ys tem t r ay. Ste p 7 Dr ag t h e sl ider t o con g ure how o en t he s ys tem w il l c on nec t to t h e net work t o dow n load up d ate s.
34 English 4. e sys tem w i l l w a k e up f rom sle ep s t ate pe ri od ic a l ly, and t he n st a r t to up da te Fox ma i l . e sc ree n w i l l not d i spl ay a ny t h i ng s o t he comput er c a n ma i nt a in mi n i mu m power u sa ge . A er wa rds , t he s y ste m w i l l autom at ica ll y ret u r n to sle ep s tat e aga i n .
H81 Pro B TC 35 English 3 .4 S ta r t8 For t hos e Wi ndows 8 u se rs w ho mi ss t he Sta r t Me nu, St a r t 8 is a n id ea l s olut ion t h at bri ng s bac k t he f a mi lia r S ta r t Me nu a long w it h a dde d cu s tom iz at ion s for g rea ter ec ienc y.
36 English Co ngur e Con g u re prov ide s con g u ra ti on opt ions , i nclud i ng ic on si z es , w hic h shor t cut s you wa nt St a r t Menu to d i splay, quic k acc e ss to re ce nt ly u se d apps , t he f u nc t ion a l it y of t he power but t on, a nd more .
H81 Pro B TC 37 English Cont rol le t s you con g u re wh at a cl ick on t he st a r t but ton or a pre ss on t he Wi ndows ke y do es . Des ktop Des k top a l l ows you to d i sa ble t he hot c orne rs wh en you a re work i n g on t he de sk top.
38 English C ha pt er 4 UEF I S ETU P U TIL ITY 4. 1 In tr od uct io n ASRo ck I nter ac t ive U E FI i s a blend of s ys tem c on g u r at ion too ls , co ol sou nd e ec t s a nd st u n ni n g v is ua l s . Not on ly w i l l it m a ke BIOS s et up le s s di cu lt but al so a l ot more a musi n g.
H81 Pro B TC 39 English 4. 1 .2 N av ig a tio n K ey s Use < > ke y or < > ke y to cho os e a mong t he s ele c t ions on t he m enu ba r, and us e < > ke y or < > ke y to move t he c u rs or up or dow n to s ele ct it em s, t h en pres s <E nter> t o get i nto t he s ub sc re en.
40 English 4.2 Ma in Scr een W hen you ent er t he U E FI SET U P U T I LI T Y , t he Ma i n sc reen w il l a ppe a r a nd di spl ay t he s ys tem ove r v ie w. Acti ve Pag e o n E ntry Sel ec t t he d efau l t pag e when e nter i ng t he U E FI s et up ut i l it y.
H81 Pro B TC 41 English Be ca u se t he U EF I so ware i s c on s ta ntly b e ing u pd at ed , the fo ll ow i ng U EF I se tu p sc re en s a nd d e sc r ipt io n s are f or re f ere n ce p ur p os e onl y, and t he y m ay no t ex a ct ly ma tch w ha t yo u se e on yo ur s cr ee n .
42 English CP U C ongu ra tio n Mul ti c ore e nha nceme nt Improve t h e sy st em' s per for ma n ce by forc in g t he CPU to p er for m t he h ig h es t f reque nc y on a l l CPU c ores si mu lt a ne ous ly. Disa ble to re duce p ower con su mpt ion .
H81 Pro B TC 43 English Lon g Dura tion Main tai ned Con g u re t he p er iod of t i me u nt i l t he C PU rat io i s lowered w hen t h e Lon g Du r at ion Power Li m it is e xce ed ed . Sho rt Dur at ion P owe r L imit Con g u re Pac k age Power L i mit 2 i n w at t s.
44 English DRAM C ong urat ion CAS# La tency ( tCL ) e t i me be t wee n send i ng a c olu m n add re ss t o t he memo r y a nd t he b eg i n n i ng of t he d at a in re sp ons e.
H81 Pro B TC 45 English Refr esh C yc le Time (t RFC) e nu mber of c lo ck s f rom a R ef re sh com m a nd u nt i l t he rs t Ac t ivat e com m a nd to t he sa me ra n k . RAS t o RAS Del a y ( tRRD ) e nu mber of c loc k s b et we en t wo row s ac t iv ated i n d i erent ba n k s of t he sa me ra n k .
46 English tWRRD DR Con g u re be t wee n modu le w rite t o read d el ay fr om d i erent r a n k s . tWRRD DD Use t h is to c ha n ge DR A M t R RSR Auto/ Ma nua l set t i ng s. e d ef au lt is [Auto ]. Con g u re be t wee n modu le w rite t o read d el ay fr om d i erent DI M Ms .
H81 Pro B TC 47 English OD T W R ( CH B ) Con g u re t he mem or y on d ie te rm i nat i on resi st ors' W R for ch a n nel B . OD T N OM (C HA ) Use t h is to c ha n ge ODT (CHA) Auto/Ma nu a l s et t i ngs . e d efau lt i s [Auto ]. OD T N OM (C HB ) Use t h is to c ha n ge ODT (CHB) Auto/Ma nua l s et t i n gs.
48 English CP U Ca che Overr ide V olta ge Add volt age t o t he CPU C ac he whe n t he sy s tem i s u nder he av y load . CP U Ca che V oltage Oset Con g u re t he volt a ge for t he CPU C ac he. S et t i n g t he volt ag e hi g her may i nc rea s e sy st em st abi l it y when overc loc k i ng.
H81 Pro B TC 49 English 4. 4 A dv an c ed S cr ee n In t h i s se c t ion, you may s et t he con g u r at ions for t h e fol low i ng ite ms: C PU Con- g u r at ion, C hip se t Con g u ra t .
50 English 4. 4. 1 C PU C on g u ra ti on Acti ve Proc esso r C ores Sel ec t t he nu mb er of co res to e nabl e in e ac h proc es so r pac k age . CP U C S tat es S upport Ena ble CPU C St at es Supp or t for p ower sav i n g. It is re com mend ed to k ee p C3, C 6 a nd C7 a l l enable d for be t ter p ower sav ing .
H81 Pro B TC 51 English CP U Ther mal Th rottli ng Ena ble CPU i nter n a l t her m a l cont rol me ch a n ism s to ke ep t he CPU f rom overhe at- in g. No-E xec ut e Me mor y P rotect ion Pro ce ss ors w it h No-E xec ut ion Memor y Prote c t ion T ec h nolog y may prevent c er t a i n cla s se s of ma l ic iou s bu er ove r ow at ta ck s .
52 English 4. 4.2 C hi ps et C on g ura ti on Pr im ary Gra phics Ad apt er Sel ec t a pr i ma r y VGA. V T - d Inte l® Vir tu a l i z at ion T ec hno log y for Dire c te d I/O help s you r v i r .
H81 Pro B TC 53 English Rend er Stan db y Power down t he render u n it whe n t he GPU i s id le for lower power c ons u mpt ion. Onboa rd HD A udio Ena ble/di sa ble onb oa rd H D aud io. Se t to Auto to e nabl e onbo a rd HD aud io a nd automat ic a l l y d is able it w hen a s ou nd ca rd i s i ns ta lle d .
54 English 4. 4.3 S t ora ge C o n gu ra t io n SA T A C on tr oll er( s ) Ena ble/di sa ble t he SAT A cont rol ler s . SA T A Mode Sel ec tion IDE: For b et ter compat i bi l it y. AHC I: Supp or t s new fe at u res t hat improve p er for ma n ce .
H81 Pro B TC 55 English 4. 4. 4 I nt el ® S ma r t C on nect T ech no logy In te l ® S mart C onnect T echnol ogy Inte l ® Sma r t C on nec t T e ch nolo g y autom at ic a l ly up dat es y our e ma i l a nd s oc ia l net work s, suc h as T w it t er, Faceb ook , etc .
56 English 4. 4.5 S upe r I O C o n gu ra t io n Seri al P or t 1 Ena ble or d i sa ble t he S er ia l p or t 1. Seri al P or t 1 A ddr ess Sel ec t t he a dd res s of t he S er i a l por t 1. C OM2 & IR Ena ble or d i sa ble t he S er ia l p or t 2 a nd I n f ra re d por t.
H81 Pro B TC 57 English Devi ce Mod e Sel ec t t he d ev ic e mo de ac cord i ng to y our c on nec te d de v ic e..
58 English 4. 4. 6 A CP I C on g ura t io n Su spe nd to RAM Sel ec t d is ab le for ACPI susp end t y pe S1 . It is rec om mende d to se lec t auto for ACPI S3 power s av i ng.
H81 Pro B TC 59 English RT C Ala rm P ower On A l low t he s ys tem t o be wa ked up by t h e rea l t i me c loc k a l a rm . S et it to B y OS to le t it be ha n d led by you r op er at i ng s ys tem . US B Ke yboard/ Remo te P owe r On A l low t he s ys tem t o be wa ked up by a n USB k ey b oa rd or remot e cont rol le r.
60 English 4. 4. 7 U SB Co ng ur at ion US B C on tro ll er Ena ble or d i sa ble a l l t he USB 2 . 0 por t s . In te l U SB 3 .0 Mod e Ena ble or d i sa ble a l l t he USB 3. 0 por t s . It is rec om mend ed to s ele c t [Smar t Auto ]. Leg acy U SB S upport Ena ble or d i sa ble L ega c y OS Supp or t for USB 2 .
H81 Pro B TC 61 English 4. 4.8 T ru st ed Co mp ut in g Secu rity Devi ce S upport Ena ble to a ct i vat e T ru s ted Pl at for m Modu le ( TPM) se c u rit y for your h a rd d isk dr i ves .
62 English 4.5 T ool s UE F I T ech Ser vic e Cont ac t A SRoc k T ec h Se r v ic e i f you a re hav i n g t rouble w it h your P C . Plea se s et up net work c on g u r at ion b efore u si ng U EF I T ec h Se r v ic e.
H81 Pro B TC 63 English In te rnet Setting Ena ble or d i sa ble sou nd e ec t s i n t he s et up ut i l it y. UE F I Do wnload Server Sel ec t a se r ver t o dow n loa d t he U EF I r mwa re.
64 English Sa ve U ser De fau lt T y pe a pr o le na me a nd press e nter to s ave you r se t t i ngs a s us er d efau lt . Loa d U ser De fau lt Lo ad pre v iou sly s aved u s er de fau lt s.
H81 Pro B TC 65 English 4. 6 H ar dwa re He al th Ev en t M on it or ing Sc ree n is s ec t ion a l low s you to mon itor t he s t at us of t h e ha rdw a re on you r sy st em, inc lud i ng t he p a ra me ter s of t he C PU tempe rat u re , mot he rbo a rd temp er at ur e, f a n spe ed a nd v olta ge .
66 English 4. 7 Boo t Sc ree n is s ec t ion d is play s t he av a i la ble de v ice s on you r s ys tem for y ou to con g ure t he bo ot se t t in gs a nd t he b oot pr ior it y. F ast Boot Fas t Bo ot m i ni m i z es you r c omputer's bo ot t i me.
H81 Pro B TC 67 English F ull Scr een Log o Ena ble to d i spl ay t he bo ot logo or d i sa ble to show nor m a l PO ST me ss a ges . Add On R OM Displ ay Ena ble AddO n ROM Dis play to s ee t he AddOn ROM mes sa ge s or con g u re t he AddOn ROM i f you've ena bled Fu ll S cre en L ogo.
68 English Laun ch P XE OpROM Pol icy Sel ec t U EF I on ly to r u n t h ose t hat supp or t U EF I opt ion ROM on ly . Se lec t L eg ac y on ly to r u n t hos e t h at supp or t leg ac y opt ion ROM on ly. Laun ch S tora ge OpROM Pol icy Sel ec t U EF I on ly to r u n t h ose t hat supp or t U EF I opt ion ROM on ly .
H81 Pro B TC 69 English 4. 8 Sec uri ty Sc ree n In t h i s se c t ion you may s et or c ha nge t h e supe r v i sor/us er pa s sword for t he s y st em. Y ou may a l so c lea r t h e us er pa s sword . Su pervisor Pas sword Se t or ch a nge t he pa s sword for t he ad mi n is t r ator ac cou nt .
70 English 4. 9 Ex it Sc ree n Sa ve C hange s a nd Exit W hen you s ele c t t hi s opt ion t h e fol low i ng me ss age , “ Save c on g u r at ion ch a nge s a nd ex it s et up? ” w i l l p op out. S el ec t [OK ] t o save c ha nge s a nd ex it th e UE F I SET U P U TI L IT Y.
H81 Pro B TC 71 English C on ta ct I nfo rma ti on If you ne ed to c ontac t A SRoc k or wa nt to k now more ab out ASR ock , you’ r e welcome to v is it ASRo ck ’s w ebs ite at ht t p://ww w .a sro ck .c om; or you m ay cont ac t you r de a ler for f u r t her i n for mat ion .
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If you already are a holder of Asrock H81 Pro BTC, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Asrock H81 Pro BTC.
However, one of the most important roles played by the user manual is to help in solving problems with Asrock H81 Pro BTC. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Asrock H81 Pro BTC along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
