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Dell PowerEdge R905 Hardware Owner's Manual (PDF) - Page 174

Table 6-2., System Board Connectors, Connector Label, Description, PWR_3.3Stby_Cntrl

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Table 6-2. System Board Connectors Connector Label Description 1 PCIE_Xn_n PCIe expansion slots (7) 2 INT_STORAGE SAS controller card connector 3 RAC_CONN remote access card connector 4 RAC_CONN2 connector for the 40-pin RAC cable 5 INT_SD SD card connector 6 RAC_CONN1 remote access card (RAC) connector 7 INT_USB internal USB connector 8 SATA SATA controller connector 9 CONTROL_PANEL control panel cable connector 10 An memory module connectors (8) 11 CPU1 processor 1 socket 12 PWR_3.3Stby_Cntrl Power distribution board signal connector 13 GROUND Power distribution board signal connector 14 12V 12-V power connector 15 CONN_Jn riser card connector (5) 16 CPU2 processor 2 socket 17 Bn memory module connectors (8) 18 PWRD_EN password jumper 19 NVRAM_CLR configuration jumper 20 Intrusion Detection intrusion switch connector 21 LOM Mezzanine Card NIC daughter card connector 22 BATTERY connector for the 3.0-V coin battery 23 TOE KEY TOE/iSCSI key connector NOTE: For the full name of an abbreviation or acronym used in this table, see the "Glossary" on page 181. 174 Jumpers and Connectors

Section	Page
Contents	3
About Your System	11
Other Information You May Need	11
Accessing System Features During Startup	12
Front-Panel Features and Indicators	13
Hard-Drive Indicator Codes	16
Back-Panel Features and Indicators	17
Connecting External Devices	18
Power Indicator Codes	19
NIC Indicator Codes	20
LCD Status Messages	21
Solving Problems Described by LCD Status Messages	32
Removing LCD Status Messages	32
System Messages	33
Warning Messages	42
Diagnostics Messages	42
Alert Messages	42
Using the System Setup Program	43
Entering the System Setup Program	43
Responding to Error Messages	43
Using the System Setup Program	44
System Setup Options	44
Main Screen	44
Memory Information Screen	47
CPU Information Screen	48
Integrated Devices Screen	49
Serial Communication Screen	51
System Security Screen	51
Exit Screen	54
System and Setup Password Features	54
Using the System Password	55
Using the Setup Password	57
Disabling a Forgotten Password	59
Baseboard Management Controller Configuration	59
Entering the BMC Setup Module	59
BMC Setup Module Options	59
Installing System Components	61
Recommended Tools	62
Inside the System	62
Removing and Replacing the Optional Front Bezel	64
Opening and Closing the System	65
Opening the System	65
Closing the System	66
Cooling Fans	67
Removing a Cooling Fan	67
Replacing a Cooling Fan	68
Cooling Shroud Assembly	69
Removing the Cooling Shroud Assembly	69
Replacing the Cooling Shroud Assembly	70
Power Supplies	71
Removing a Power Supply	71
Replacing a Power Supply	72
Processor Expansion Module	73
Removing the PEM or PEM Shell	73
Replacing the PEM or PEM Shell	76
Expansion Cards	77
Expansion Card Installation Guidelines	77
Installing an Expansion Card	78
Removing an Expansion Card	80
Riser Board	80
Removing the Riser Board	81
Replacing the Riser Board	82
RAC Card	83
Installing an Optional RAC Card	83
Internal USB Memory Key (Optional)	85
Installing the Optional Internal USB Memory Key	85
TOE/iSCSI Key (Optional)	86
SD Memory Card	88
NIC Daughter Card	89
Installing the NIC Daughter Card	89
Removing the NIC Daughter Card	91
System Memory	91
General Memory Module Installation Guidelines	92
Installing Memory Modules	95
Removing Memory Modules	97
Processors	98
Removing a Processor	99
Installing a Processor	101
Installing an Optical Drive	103
Hard Drives	105
Before You Begin	106
Configuring the Boot Device	107
Removing a Drive Blank	107
Installing a Drive Blank	107
Removing a Hot-Plug Hard Drive	108
Installing a Hot-Plug Hard Drive	109
Replacing a Hard Drive in a Hard-Drive Carrier	110
SAS Controller Cards	111
Removing a SAS Controller Card	111
Installing a SAS Controller Card	112
Installing the SAS RAID Controller Card Battery	113
Connecting an External SAS Tape Drive	114
Connecting an External Fibre Channel Storage Device	114
System Battery	115
Replacing the System Battery	115
Control Panel Assembly (Service-Only Procedure)	118
Removing the Control Panel	118
Installing the Control Panel	119
Chassis Intrusion Switch (Service-Only Procedure)	120
Removing the Chassis Intrusion Switch	120
Installing the Chassis Intrusion Switch	121
SAS Backplane (Service-Only Procedure)	122
Removing the SAS Backplane	122
Installing a SAS Backplane	125
Peripheral Interposer Board	126
Removing a Peripheral Interposer Board	126
Replacing a Peripheral Interposer Board	129
Fan Interposer Board (Service-Only Procedure)	130
Removing a Fan Interposer Board	130
Installing a Fan Interposer Board	131
System Board (Service-Only Procedure)	132
Removing the System Board	132
Installing the System Board	135
Power Distribution Board (Service-Only Procedure)	137
Removing the Power Distribution Board	137
Installing the Power Distribution Board	138
Processor Expansion Module Board (Service- Only Procedure)	139
Removing the PEM Board	139
Replacing the PEM Board	140
Troubleshooting Your System	143
Safety First-For You and Your System	143
Start-Up Routine	143
Checking Basic Power Problems	144
Checking the Equipment	144
Troubleshooting External Connections	144
Troubleshooting the Video Subsystem	145
Troubleshooting the Keyboard or Mouse	146
Troubleshooting Serial I/O Problems	148
Troubleshooting a Serial I/O Device	148
Troubleshooting a USB Device	149
Troubleshooting a NIC	151
Troubleshooting a Wet System	152
Troubleshooting a Damaged System	152
Troubleshooting the System Battery	153
Troubleshooting Power Supplies	154
Troubleshooting System Cooling Problems	155
Troubleshooting a Fan	155
Troubleshooting System Memory	156
Troubleshooting an Optical Drive	158
Troubleshooting a Hard Drive	159
Troubleshooting a SAS Controller or SAS RAID Controller	161
Troubleshooting an External SAS Tape Drive	163
Troubleshooting Expansion Cards	164
Troubleshooting the Microprocessors	165
Running the System Diagnostics	167
Using Dell PowerEdge Diagnostics	167
System Diagnostics Features	167
When to Use the System Diagnostics	168
Running the System Diagnostics	168
System Diagnostics Testing Options	168
Using the Custom Test Options	169
Selecting Devices for Testing	169
Selecting Diagnostics Options	169
Viewing Information and Results	170
Jumpers and Connectors	171
System Board Jumpers	171
Disabling a Forgotten Password	171
System Board Connectors	172
Processor Expansion Module Board Connectors	175
SAS Backplane Board Connectors	176
SAS 2.5-Inch Peripheral Interposer Board	177
Getting Help	179
Contacting Dell	179
Glossary	181