Dell Precision 450 Manual de usuario Pagina 51

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System Board Components
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I/O panel
Yellow pull tab
1
CD/DVD drive connector (IDE2)
14
PCI card connectors (PCI1, PCI2 [32-bit connectors], and PCI3 [64-bit PCI-X
connector])
2
I/O panel (I/O PANEL)
15
telephony connector (MODEM)
3
floppy drive connector (DISKETTE)
16
AGP card connector (AGP)
4
memory module connectors (DIMM_1, DIMM_2, DIMM_3,
DIMM_4)
17
VRM connector (VRM) (for a second microprocessor only)
5
suspend-to-RAM light (STR_LED)
18
microprocessor and heat-sink connector (CPU_1)
6
power connector (POWER 2)
19
front-panel audio connector (FP2AUDIO)
7
power connector (POWER 1)
20
microprocessor and heat-sink connector (CPU_0)
8
USB connector (USB)
21
microprocessor fan connector (FAN_P1)
9
hard-drive connector (IDE1)
22
microprocessor fan connector (FAN_P0))
10
real-time clock reset jumper (RTCRST)
23
battery socket (BATTERY)
11
password jumper (PSWD)
24
internal speaker (SPKR)
12
auxiliary LED add-in storage adapter connector (AUX_LED)
25
CDdriveaudiocableconnector(CD_IN)
13
standby power light (AUX_PWR_LED)
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