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Dell PowerEdge 1950 Hardware Owner's Manual (PDF) - Page 119

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Table 6-2. System Board Connectors Connector Description 1 RAC_CONN2 Connector for the remote access control connector (RAC) 2 RAC_CONN1 Connector for the remote access control connector 3 NVRAM_CLR Configuration jumper 4 PWRD_EN Password jumper 5 DIMM 1 Memory module connector, slot 1 6 DIMM 5 Memory module connector, slot 5 7 DIMM 2 Memory module connector, slot 2 8 DIMM 6 Memory module connector, slot 6 9 DIMM 3 Memory module connector, slot 3 10 DIMM 7 Memory module connector, slot 7 11 DIMM 4 Memory module connector, slot 4 12 DIMM 8 Memory module connector, slot 8 13 FAN_MOD4 System cooling fan module 4 connector 14 CPU1 Microprocessor connector 1 15 FAN_MOD3 System cooling fan module 3 connector 16 FAN_MOD2 System cooling fan module 2 connector 17 CPU2 Microprocessor connector 2 18 FAN_MOD1 System cooling fan module 1 connector 19 SIDEPLANE Sideplane connector 20 BACKPLANE Backplane power connector 21 TOE_KEY TCP/IP offload engine key 22 LEFT PCIe RISER Left riser board connector 23 SATA_A SATA A connector 24 BATTERY Connector for the 3.0-V coin battery 25 LEFT PCI-X RISER Left riser board connector (PCIe or PCI-X) 26 CENTER RISER Center riser board connector (PCIe or PCI-X) NOTE: For the full name of an abbreviation or acronym used in this table, see the "Glossary" on page 147. Jumpers and Connectors 119

Section	Page
Hardware Owner’s Manual	1
Contents	3
About Your System	9
Other Information You May Need	9
Accessing System Features During Startup	10
Front-Panel Features and Indicators	11
Hard-Drive Indicator Codes	12
Back-Panel Features and Indicators	14
Connecting External Devices	15
Power Indicator Codes	15
NIC Indicator Codes	16
LCD Status Messages	17
Solving Problems Described by LCD Status Messages	24
Removing LCD Status Messages	24
System Messages	25
Warning Messages	30
Diagnostics Messages	30
Alert Messages	30
Using the System Setup Program	31
Entering the System Setup Program	31
Responding to Error Messages	31
Using the System Setup Program	31
System Setup Options	32
Main Screen	32
CPU Information Screen	35
Integrated Devices Screen	36
System Security Screen	37
Exit Screen	38
System and Setup Password Features	38
Using the System Password	38
Using the Setup Password	40
Disabling a Forgotten Password	41
Baseboard Management Controller Configuration	41
Entering the BMC Setup Module	42
BMC Setup Module Options	42
Installing System Components	43
Recommended Tools	44
Inside the System	44
Removing and Replacing the Front Bezel	45
Opening and Closing the System	46
Opening the System	46
Closing the System	47
Cooling Fan Modules	48
Removing a Cooling Fan Module	48
Replacing a Cooling Fan Module	49
Removing the Plastic Fan Guide	50
Replacing the Plastic Fan Guide	50
Cooling Shrouds	50
System Board Cooling Shroud	50
Memory Cooling Shroud	52
Power Supplies	53
Removing a Power Supply	54
Replacing a Power Supply	55
Removing the Power Supply Blank	56
Installing the Power Supply Blank	56
SAS Controller Daughter Card	56
Removing a SAS Controller Daughter Card	56
Installing a SAS Controller Daughter Card or SAS RAID Controller Daughter Card	56
RAID Battery	60
Expansion Cards	61
Installing an Expansion Card	61
Removing an Expansion Card	62
Configuring the Boot Device	63
Configuring the Boot Drive	63
System Memory	63
General Memory Module Installation Guidelines	64
Non-Optimal Memory Configurations	64
Memory Sparing Support	64
Memory Mirroring Support	65
Installing Memory Modules	65
Removing Memory Modules	67
Activating the Integrated NIC TOE	67
Processors	67
Removing the Processor	67
Installing a Processor	70
RAC Card	71
Installing a RAC Card	71
Removing the RAC Card and Cables	72
Optical Drive	73
Removing the Optical Drive Tray	73
Installing the Optical Drive Tray	74
Hard Drives	75
Before You Begin	75
Removing a Drive Blank	75
Installing a Drive Blank	76
Installing a Hot-Plug Hard Drive	76
Replacing a Hard-Drive Carrier	78
Removing a Hard Drive From a Hard-Drive Carrier	78
Installing a SAS Hard Drive Into a SATAu Drive Carrier	78
Installing a SATA Hard Drive Into a SATA Drive Carrier	79
Installing a SATA Hard Drive and Interposer Card Into a SATAu Hard-Drive Carrier	80
Expansion-Card Riser	82
Removing an Expansion-Card Riser	82
Installing an Expansion-Card Riser	83
Backplane Board	83
Removing the Backplane Board	83
Installing the Backplane Board	85
Sideplane Board	85
Removing the Sideplane Board	85
Installing the Sideplane Board	86
System Battery	86
Replacing the System Battery	86
Control Panel Assembly	88
Removing the Control Panel	88
Installing the Control Panel	89
System Board	90
Removing the System Board	90
Installing the System Board	91
Troubleshooting Your System	93
Safety First-For You and Your System	93
Start-Up Routine	93
Checking the Equipment	94
Troubleshooting IRQ Assignment Conflicts	94
Troubleshooting External Connections	94
Troubleshooting the Video Subsystem	95
Troubleshooting the Keyboard	95
Troubleshooting the Mouse	96
Troubleshooting Basic I/O Functions	96
Troubleshooting a Serial I/O Device	97
Troubleshooting a USB Device	97
Troubleshooting a NIC	98
Troubleshooting a Wet System	98
Troubleshooting a Damaged System	99
Troubleshooting the System Battery	100
Troubleshooting Power Supplies	100
Troubleshooting System Cooling Problems	101
Troubleshooting a Fan	101
Troubleshooting System Memory	102
Troubleshooting an Optical Drive	103
Troubleshooting a Hard Drive	104
Troubleshooting a SAS or SAS RAID Controller Daughter Card	105
Troubleshooting Expansion Cards	107
Troubleshooting the Microprocessors	108
Running the System Diagnostics	111
Using Server Administrator Diagnostics	111
System Diagnostics Features	111
When to Use the System Diagnostics	111
Running the System Diagnostics	112
System Diagnostics Testing Options	112
Using the Custom Test Options	112
Selecting Devices for Testing	112
Selecting Diagnostics Options	113
Viewing Information and Results	113
Jumpers and Connectors	115
System Board Jumpers	115
Disabling a Forgotten Password	117
System Board Connectors	118
SAS/SATA Backplane Board Connectors	120
Expansion-Card Riser-Board Components and PCI Buses	122
SAS Sideplane Board Connectors	123
Getting Help	125
Technical Assistance	125
Online Services	125
AutoTech Service	126
Automated Order-Status Service	126
Technical Support Service	126
Dell Enterprise Training and Certification	127
Problems With Your Order	127
Product Information	127
Returning Items for Warranty Repair or Credit	127
Before You Call	128
Contacting Dell	130
Glossary	147