Intel D2550DC2, Руководство по эксплуатации продукта

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Desktop Board Features
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Security Passwords
The BI OS includes secur it y feat ures t hat r est rict w het her t he BI OS Set up program can
be accessed and w ho can boot t he com put er. A supervisor passw ord and a user
passw ord can be set for t he BI OS Set up and for boot ing t he com put er , w it h t he
following rest rict ions:
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The super visor passw or d gives unrest rict ed access t o view and change all Set up
opt ions. I f only t he super visor passw ord is set , pressing < Ent er > at t he passw ord
prom pt of Set up gives t he user r est rict ed access t o Set up.
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I f bot h t he supervisor and user passw ords ar e set , y ou m ust ent er eit her t he
super visor passw ord or t he user passw ord t o access Set up. Set up opt ions are t hen
available for view ing and changing depending on w het her t he supervisor or user
passw ord w as ent ered.
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Set t ing a user passw ord r est rict s w ho can boot t he com put er . The passw ord
prom pt is displayed befor e t he com put er is boot ed. I f only t he supervisor
passw ord is set , t he com put er boot s w it hout asking for a passw ord. I f bot h
passw ords ar e set , y ou can ent er eit her passw ord t o boot t he com put er .
For inst ruct ions on r eset t ing t he passw ord, see Clearing Passw ords on page 40.
Hardware Management Features
The board’s hardw ar e m anagem ent feat ur es enable t he board t o be com pat ible w it h
t he Wired for Managem ent ( WfM) specificat ion. The board’s hardw ar e m anagem ent
feat ur es include t herm al and volt age m onit oring.
The hardw ar e m onit oring and fan cont rol subsy st em is based on t he Winbond
W83627DH- P legacy I / O cont r oller, w hich support s t he follow ing:
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Processor and syst em am bient t em perat ur e m onit oring
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Syst em fan speed m onit oring
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Pow er m onit oring of + 12 V, + 5 V, + 5 Vst dby, + 3.3 V, and + VCCP
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SMBus int erface
Power Management Features
Pow er m anagem ent is im plem ent ed at sev eral lev els, including:
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Soft w are support t hrough t he Advanced Configurat ion and Pow er I nt er face ( ACPI )
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Hardw ar e support :
Pow er connect or
Fan header
+ 5 V st andby pow er indicat or LED
LAN Wake capabilit ies
I nst ant ly Available PC t echnology
Wake from USB
PME# w ak eup support
WAKE# signal w akeup support