Desktop Board Features
17
LAN Subsystem
The LAN subsyst em consist s of t he following:
•
I nt el NM10 Express Chipset
•
I nt el 82574L Gigabit Et hernet Cont r oller for 10/ 100/ 1000 Mb/ s Et hernet LAN
connect ivit y
•
RJ- 45 LAN connect or w it h int egrat ed st at us LEDs
Addit ional feat ures of t he LAN subsyst em include:
•
CSMA/ CD pr ot ocol engine
•
LAN connect int erface t hat support s t he Et hernet cont r oller
•
Convent ional PCI bus pow er m anagem ent
Support s ACPI t echnology
Support s LAN w ake capabilit ies
LAN drivers ar e available from I nt el’s World Wide Web sit e at
ht t p: / / dow nloadcent er.int el.com / .
Tw o LEDs ar e built int o t he RJ- 45 LAN connect or locat ed on t he back panel ( see
Figure 3) . These LEDs indicat e t he operat ing st at es of t he LAN.
Figure 3. LAN Status LEDs
Table 4 describes t he LED st at es w hen t he boar d is pow ered up and t he LAN
subsyst em is operat ing.
Table 4. LAN Status LEDs
LED
LED Color LED State
Indicates
Act ivit y ( A) Green
Blinking
LAN act ivit y is occurring.
Speed ( B)
N/ A
Off
10 Mb/ s dat a rat e is select ed.
Green
On
100 Mb/ s dat a rat e is select ed.
Yellow
On
1000 Mb/ s dat a rat e is select ed.
Содержание D2550DC2
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