System Board Components - Dell Precision Workstation 450 User Manual

I/O panel Yellow pull tab

System Board Components

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