About Your Computer—Dell Precision 650 25
1 CD/DVD drive connector (IDE2) 15 standby power light (AUX_PWR_LED)
2 I/O panel connector (I/O PANEL) 16 PCI card connectors (PCI1, PCI2 [32-bit
connectors], PCI3 , PCI4, and PCI5 [64-bit PCI-
X connectors])
3 floppy-drive connector (DISKETTE) 17 telephony connector (MODEM)
4 memory module connectors (DIMM_1,
DIMM_2, DIMM_3, DIMM_4)
18 AGP card connector (AGP)
5 suspend-to-RAM light (STR_LED) 19 VRM connector (VRM)(for a second
microprocessor only)
6 power connector (POWER 2) 20 microprocessor and heat-sink connector
(CPU_1)
7 power connector (POWER 1) 21 front-panel audio connector (FP2AUDIO)
8 front-panel USB/IEEE 1394 connector (USB) 22 microprocessor and heat-sink connector
(CPU_0)
9 hard-drive connector (IDE1) 23 microprocessor fan connector (FAN_P1)
10 real-time clock reset jumper (RTCRST) 24 microprocessor fan connector (FAN_P0)
11 card fan connector (FAN) 25 battery socket (BATTERY)
12 SCSI drive connector (SCSI) 26 internal speaker (SPKR)
13 password jumper (PSWD) 27 CD drive audio cable connector (CD_IN)
14 auxiliary LED add-in storage adapter connector
(AUX_LED)