DC Power Connector P22, P23, DC Power Connector P24 | Dell YT583

Pin Number	Signal name	18-AWG Wire
6	COM	Black
7	COM	Black
8	3.3 V	Orange

DC Power Connector P22, P23

1 2

Pin Number Signal name

112 VA

2COM

DC Power Connector P24

5 6 7 8

1

2

3

4

20-AWG Wire

Yellow

Black

Pin Number	Signal name	18-AWG Wire
1	12 VE	Blue/Yellow
2	12 VE	Blue/Yellow
3	12 VE	Blue/Yellow
4	COM	Black
5	COM	Black
6	COM	Black
7	COM	Black
8	COM	Black

166

Adding and Replacing Parts

Image 166

Dell YT583 manual DC Power Connector P22, P23, DC Power Connector P24, 166

Contents

Dell Precision T7400 User’s Guide August Contents RAID Configuration and Management Performing Configuration Tasks Trusted Platform Module TPM Security Management Software Clearing Forgotten Passwords 115 105113 116 Replacing the Front Panel and Computer Cover 144 139Removing the Computer Cover and Front Panel 141 146 194 Technical Support and Customer Service Automated Order-Status Service Contents Contents Finding Information What Are You Looking For? Find It Here Drivers and Utilities Disc Quick Reference Guide At support.dell.com Service Tag and Microsoft Windows License What Are You Looking For? Dell Support Website support.dell.com Windows Help and Support Dell Supported Linux Sites Finding Information About Your Computer Front View of the Computer 5.25-inch drive bays Back View of the Computer Back Panel Connectors Information, see System Setup Options on Link integrity light Inside View System Board Components USB Intusb B l e C o l o r s Memory SpecificationsProcessor System Information Expansion PCI Ports and Connectors Video Key Combinations AudioDrives Controls and Lights Power Physical Environmental Manageability LegacySelect Technology ControlAlert Standard Format Alert Description Chassis intrusion alert has been cleared Dell OpenManage IT Assistant Power ManagementDell OpenManage Client Instrumentation Sleep Mode Wake-Up Methods Windows XP About RAID Configurations Hyperthreading and Multi-Core Technology RAID Level RAID Level Hard drive RAID Level Configuring Your Computer for RAID RAID Configuration UtilityRAID Configuration and Management Entering the RAID Configuration Utility Creating a RAID Level 0 Configuration Performing Configuration TasksExit Screen Creating a RAID Level 1 Configuration Creating a Second RAID Volume Viewing RAID Volume Properties Activating a RAID Volume Synchronizing a RAID Volume Virtual DiskDeleting a RAID Volume Replacing and Rebuilding a Degraded RAID Volume From the Adapter Properties screen, select RAID Properties Advanced Features Setting Up Your Computer Installing Your Computer in an Enclosure Setting Up Your Computer Connecting to the Internet Setting Up Your Internet Connection Windows XP Transferring Information to a New Computer Windows Vista Microsoft Windows XP To prepare a new computer for the file transfer Setting Up Your Computer Setting Up Your Computer Power Protection Devices Microsoft Windows Vista Surge Protectors Uninterruptible Power SuppliesLine Conditioners Removing the Chassis Intrusion Switch Chassis Intrusion Detection Replacing the Chassis Intrusion Switch Resetting the Chassis Intrusion Detector Security Cable Lock Passwords About Passwords Using a Primary or System Password Type of Password Features Option Settings Assigning a System Password Typing Your System Password Deleting or Changing an Existing System Password Using an Administrator Password Assigning an Administrator Password Disabling a Forgotten Password and Setting a New Password Deleting or Changing an Existing Administrator Password Enabling the TPM Feature Trusted Platform Module TPM Computer Tracking Software Using the Security Management SoftwareSecurity Management Software Activating the Security Management Software If Your Computer Is Lost or Stolen Securing Your Computer System Setup Options Entering System SetupOverview Date, Service Tag, Express Service Code, and Asset Tag Ahci COM3 Video Security Unlocked Maintenance Read and U for Unread. Mark All Entries Read puts an R to Option Settings Boot MenuSelecting the Boot Device for the Current Boot Booting to a USB Device Changing Boot Sequence for Future BootsMemory Key Floppy Drive Clearing Forgotten Passwords Jumper Setting Clearing Forgotten Passwords Clearing Cmos Settings Flashing the Bios Clearing Forgotten Passwords Floppy Drive Computer, Keyboard, and MonitorCDs and DVDs Cleaning Your Computer Battery Problems Solving ProblemsDrive Problems Optical drive problems Problems writing to an optical drive Mail and Internet Problems Hard drive problems Computer does not start up Keyboard ProblemsLockups and Software Problems Computer stops responding Program is designed for an earlier Windows operating system Program stops respondingProgram crashes repeatedly Solid blue screen appears Memory Problems Other software problems Mouse Problems Network Problems Power Problems 100 Printer Problems 101 Scanner Problems 102 Sound Problems 103 104 Diagnostic Lights Power Diagnostic LightsDiagnostic Light Codes Before Post 105 Suggested Resolution 106 107 Light Pattern Problem Description Suggested Resolution Diagnostic Light Codes During Post108 Light Pattern Problem Description 109 110 111 112 Power Lights 113 114 115 Beep CodesCode Cause Error Messages 116 117 Do not use these characters in filenames VO L T a G E I S L O W Replace the battery. See 118 T a Error See Drive Problems on 119 120 121 122 When to Use the Dell Diagnostics Dell Diagnostics123 Starting the Dell Diagnostics From Your Hard Drive 124 125 Dell Diagnostics Main MenuOption Function 126 Tab Function Diagnostics Checklist 127 128 Identifying Drivers What Is a Driver?Drivers Microsoft Windows XP Microsoft Windows Vista Reinstalling Drivers and UtilitiesUsing Windows Device Driver Rollback 130 Fix a Problem section, click Hardware Troubleshooter 131 Restoring Your Operating System Using Microsoft Windows System RestoreStarting System Restore 132 Enabling System Restore Undoing the Last System Restore133 Windows XP Dell PC Restore Using Dell PC Restore and Dell Factory Image Restore134 135 Windows Vista Dell Factory Image Restore 136 Before you Begin Using the Operating System DiscReinstalling Windows XP or Windows Vista 137 138 Turning Off Your Computer Before You BeginRecommended Tools 139 Before Working Inside Your Computer 140 Removing the Computer Cover Removing the Computer Cover and Front Panel141 142 Removing the Front Panel 143 Replacing the Front Panel Replacing the Front Panel and Computer Cover144 Replacing the Computer Cover 145 Panel 146 Panel Components 147 Removing the I/O Panel 148 Replacing the I/O Panel 149 Removing the Processor Processor150 151 Heat-sink assembly 152 153 Installing the Processor 154 155 156 157 158 159 DC Connector Pin Assignments Power Supply160 Pin Number Signal name Wire Color DC Power Connector P1161 Pin Number Signal Name DC Power Connectors P2162 DC Power Connector P7 DC Power Connector P5163 DC Power Connectors P12, P13, P14, P15, P16, P17 DC Power Connectors P10, P11164 AWG Wire DC Power Connector P18DC Power Connector P19 165 DC Power Connector P24 DC Power Connector P22, P23166 DC Power Connector FDD Removing the Power Supply167 168 About the Battery BatteryReplacing the Power Supply 169 Removing the Battery 170 Replacing the Battery 171 Memory 172 Fully Buffered Dimm FBD Memory Overview Memory Installation173 174 Removing Memory Without Memory Riser Cards 175 176 177 178 Memory Installation With Optional Memory Riser Cards 179 Installing Memory With Optional Memory Riser Cards 180 181 182 183 184 185 186 Removing Memory With Optional Memory Riser Cards 187 188 189 190 191 192 193 Expansion Card Support Cards194 Installing an Expansion Card 195 196 197 198 199 200 201 Removing an Expansion Card 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 Removing the Optional Graphics Riser Card 223 224 Replacing the Optional Graphics Riser Card Drives225 226 General Drive Installation Guidelines General Drive Installation Guidelines227 228 229 Removing a Hard Drive Hard Drive Bays Controller Card Data Cable ConnectorsHard Drive 230 231 232 233 234 Installing a Hard Drive Hard Drive Bays 235 236 237 238 Removing a Fifth Sata Hard Drive Optional 239 240 241 Installing a Fifth Sata Hard Drive Optional 242 243 244 245 Removing the Drive Panel Drive Panels246 Removing a Drive-Panel Insert 247 248 Replacing the Drive Panel Replacing a Drive-Panel Insert249 250 Removing a Floppy Drive 251 252 253 Installing a Floppy Drive 254 255 256 257 Removing a Media Card Reader Media Card Reader258 259 260 Installing a Media Card Reader 261 262 263 264 Removing an Optical Drive Optical Drive265 266 267 Installing an Optical Drive 268 269 270 Removing the System Board System Board271 272 273 274 275 276 Replacing the System Board 277 278 279 280 Obtaining Assistance 281 Online Services Technical Support and Customer Service282 Automated Order-Status Service Problems With Your OrderAutoTech Service Product Information Before You Call Returning Items for Warranty Repair or Credit284 285 286 Contacting Dell 287 288 FCC Class B FCC Notice U.S. Only289 290 Glossary 291 292 293 Product ID 294 295 296 297 298 299 Module bay See media bay 300 NIC See network adapter 301 302 303 304 Video resolution See resolution 305 306 307