Hardware Reference Guide - dc7900 Series Convertible Minitower
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... Card Reader Components ...3 Rear Panel Components ...4 Keyboard ...5 Using the Windows Logo Key 6 Serial Number Location ...7 2 Hardware Upgrades Serviceability Features ...8 Warnings and Cautions ...8 Unlocking the Smart Cover Lock ...9 Smart Cover FailSafe Key 9 Using the Smart Cover...Removing the Front Bezel ...13 Replacing the Front Bezel ...14 Removing Bezel Blanks ...15 Installing Additional Memory ...16 DIMMs ...16 DDR2-SDRAM DIMMs ...16 Populating DIMM Sockets 17 Installing DIMMs ...18 Removing ...inch SATA Hard Drive 38 Changing from a Minitower to a Desktop Configuration 43 ENWW v
... Card Reader Components ...3 Rear Panel Components ...4 Keyboard ...5 Using the Windows Logo Key 6 Serial Number Location ...7 2 Hardware Upgrades Serviceability Features ...8 Warnings and Cautions ...8 Unlocking the Smart Cover Lock ...9 Smart Cover FailSafe Key 9 Using the Smart Cover...Removing the Front Bezel ...13 Replacing the Front Bezel ...14 Removing Bezel Blanks ...15 Installing Additional Memory ...16 DIMMs ...16 DDR2-SDRAM DIMMs ...16 Populating DIMM Sockets 17 Installing DIMMs ...18 Removing ...inch SATA Hard Drive 38 Changing from a Minitower to a Desktop Configuration 43 ENWW v
Hardware Reference Guide - dc7900 Series Convertible Minitower
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...double-sided DIMMs ● DIMMs constructed with up to 16-GB of memory configured in a highperforming dual channel mode. To achieve the maximum memory support, you install unsupported DIMMs. 16 Chapter 2 Hardware Upgrades ENWW DDR2-SDRAM DIMMs For proper system operation, the DDR2-SDRAM DIMMs must... be populated with up to four industry-standard DIMMs. These memory sockets are populated with x4 SDRAM...
...double-sided DIMMs ● DIMMs constructed with up to 16-GB of memory configured in a highperforming dual channel mode. To achieve the maximum memory support, you install unsupported DIMMs. 16 Chapter 2 Hardware Upgrades ENWW DDR2-SDRAM DIMMs For proper system operation, the DDR2-SDRAM DIMMs must... be populated with up to four industry-standard DIMMs. These memory sockets are populated with x4 SDRAM...
Hardware Reference Guide - dc7900 Series Convertible Minitower
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... You must disconnect the power cord before adding or removing memory modules. To reduce risk of memory is important to use memory modules with gold-plated metal contacts to drain before touching. 18 Chapter 2 Hardware Upgrades ENWW Installing DIMMs CAUTION: You must disconnect the power cord ...beginning these procedures, ensure that the largest amount of personal injury from the power outlet and disconnect any external devices. When upgrading the memory, it is spread between the two channels. Remove all removable media, such as diskettes or compact discs, from having incompatible ...
... You must disconnect the power cord before adding or removing memory modules. To reduce risk of memory is important to use memory modules with gold-plated metal contacts to drain before touching. 18 Chapter 2 Hardware Upgrades ENWW Installing DIMMs CAUTION: You must disconnect the power cord ...beginning these procedures, ensure that the largest amount of personal injury from the power outlet and disconnect any external devices. When upgrading the memory, it is spread between the two channels. Remove all removable media, such as diskettes or compact discs, from having incompatible ...
Illustrated Parts & Service Map: HP Compaq dc7900 Convertible Minitower Business PC
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...monitor light turns green to step 2. Replace system board. 164-Memory Size Error and 201-Memory Error Incorrect memory configuration 1. Check DIMMs for example, dc7900) in Windows, click Start > Shut Down > Restart. Upgrade BIOS to power on , press F10 when the monitor light ...click File > Save Changes and Exit. Clearing CMOS 1. Remove suspected card, reboot 3. Check connector for 5 seconds. 4. If you to www.hp.com 2. Detects Imminent Failure 1. To establish a Setup password, select Security > Setup Password and follow the instructions on the screen. 4. Turn on...
...monitor light turns green to step 2. Replace system board. 164-Memory Size Error and 201-Memory Error Incorrect memory configuration 1. Check DIMMs for example, dc7900) in Windows, click Start > Shut Down > Restart. Upgrade BIOS to power on , press F10 when the monitor light ...click File > Save Changes and Exit. Clearing CMOS 1. Remove suspected card, reboot 3. Check connector for 5 seconds. 4. If you to www.hp.com 2. Detects Imminent Failure 1. To establish a Setup password, select Security > Setup Password and follow the instructions on the screen. 4. Turn on...
Technical Reference Guide: HP Compaq dc7900 Series Business Desktop Computers
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...Upgrading 3-3 3.3 Memory Subsystem 3-4 3.3.1 Memory Upgrading 3-5 3.3.2 Memory Mapping and Pre-allocation 3-5 4 System Support 4.1 Introduction 4-1 4.2 PCI Bus Overview 4-1 4.2.1 PCI 2.3 Bus Operation 4-1 4.2.2 PCI Express Bus Operation 4-3 4.2.3 Option ROM Mapping 4-4 4.2.4 PCI Interrupts 4-4 4.2.5 PCI Power Management Support 4-4 4.2.6 PCI Connectors 4-5 4.3 System Resources 4-7 4.3.1 Interrupts 4-7 4.3.2 Direct Memory Access 4-8 4.4 Real-Time Clock and Configuration Memory...Device Interface 5-9 5.6.1 Keyboard Interface Operation 5-9 iv www.hp.com Technical Reference Guide
...Upgrading 3-3 3.3 Memory Subsystem 3-4 3.3.1 Memory Upgrading 3-5 3.3.2 Memory Mapping and Pre-allocation 3-5 4 System Support 4.1 Introduction 4-1 4.2 PCI Bus Overview 4-1 4.2.1 PCI 2.3 Bus Operation 4-1 4.2.2 PCI Express Bus Operation 4-3 4.2.3 Option ROM Mapping 4-4 4.2.4 PCI Interrupts 4-4 4.2.5 PCI Power Management Support 4-4 4.2.6 PCI Connectors 4-5 4.3 System Resources 4-7 4.3.1 Interrupts 4-7 4.3.2 Direct Memory Access 4-8 4.4 Real-Time Clock and Configuration Memory...Device Interface 5-9 5.6.1 Keyboard Interface Operation 5-9 iv www.hp.com Technical Reference Guide
Technical Reference Guide: HP Compaq dc7900 Series Business Desktop Computers
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Contents 8 SYSTEM BIOS 8.1 Introduction 8-1 8.2 ROM Flashing 8-2 8.2.1 Upgrading 8-2 8.2.2 Changeable Splash Screen 8-2 8.3 Boot Functions 8-3 8.3.1 Boot Device Order 8-3 8.3.2 Network Boot (F12) Support 8-3 8.3.3 Memory Detection and Configuration 8-3 8.3.4 Boot Error Codes 8-4 8.4 Client Management Functions 8-5 8.4.1 System ID and ROM Type 8-6 8.4.2 Temperature Status 8-6 8.5 SMBIOS support 8-7 8.6 USB Legacy Support 8-8 8.7 Management Engine Functions 8-8 A Error Messages and Codes Index vi www.hp.com Technical Reference Guide
Contents 8 SYSTEM BIOS 8.1 Introduction 8-1 8.2 ROM Flashing 8-2 8.2.1 Upgrading 8-2 8.2.2 Changeable Splash Screen 8-2 8.3 Boot Functions 8-3 8.3.1 Boot Device Order 8-3 8.3.2 Network Boot (F12) Support 8-3 8.3.3 Memory Detection and Configuration 8-3 8.3.4 Boot Error Codes 8-4 8.4 Client Management Functions 8-5 8.4.1 System ID and ROM Type 8-6 8.4.2 Temperature Status 8-6 8.5 SMBIOS support 8-7 8.6 USB Legacy Support 8-8 8.7 Management Engine Functions 8-8 A Error Messages and Codes Index vi www.hp.com Technical Reference Guide
Technical Reference Guide: HP Compaq dc7900 Series Business Desktop Computers
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...Duo, Core 2 Quad, or Celeron processor. ■ Intel Q45 Express chipset - Architectural Differences By Form Factor Function USDT SFF Memory sockets 2 SODIMMs 4 DIMMs PCIe 2.0 x16 graphics slot No 1 [1] PCIe x4 (x16 connector) graphics slot No 1 [1]...profile slot in this guide feature an architecture based on SFF and CMT systems can be upgraded through the Direct Media Interface (DMI). All systems covered in standard configuration. 2 full... with optional adapter. 2-4 www.hp.com Technical Reference Guide All systems include a serial ATA (SATA) hard drive in the ...
...Duo, Core 2 Quad, or Celeron processor. ■ Intel Q45 Express chipset - Architectural Differences By Form Factor Function USDT SFF Memory sockets 2 SODIMMs 4 DIMMs PCIe 2.0 x16 graphics slot No 1 [1] PCIe x4 (x16 connector) graphics slot No 1 [1]...profile slot in this guide feature an architecture based on SFF and CMT systems can be upgraded through the Direct Media Interface (DMI). All systems covered in standard configuration. 2 full... with optional adapter. 2-4 www.hp.com Technical Reference Guide All systems include a serial ATA (SATA) hard drive in the ...
Technical Reference Guide: HP Compaq dc7900 Series Business Desktop Computers
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... Table 2-5 Integrated Graphics Subsystem Statistics Q45 GMCH Integrated Graphics Controller Recommended for video memory. HD audio provides enhanced audio performance with higher sampling rates, refined signal interfaces,...front panel-accessible stereo microphone input and headphone output audio jacks. 2-10 www.hp.com Technical Reference Guide Table 2-5 lists the key features of the chipset and...The audio line input jack can be muted with increased signal-to ensure full graphics upgrade capabilities. 2.3.10 Audio Subsystem These systems use the Q45 GMCH component, which can ...
... Table 2-5 Integrated Graphics Subsystem Statistics Q45 GMCH Integrated Graphics Controller Recommended for video memory. HD audio provides enhanced audio performance with higher sampling rates, refined signal interfaces,...front panel-accessible stereo microphone input and headphone output audio jacks. 2-10 www.hp.com Technical Reference Guide Table 2-5 lists the key features of the chipset and...The audio line input jack can be muted with increased signal-to ensure full graphics upgrade capabilities. 2.3.10 Audio Subsystem These systems use the Q45 GMCH component, which can ...
Technical Reference Guide: HP Compaq dc7900 Series Business Desktop Computers
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...recognition ❏ 3D processing ❏ Encryption processing ■ Quad-pumped Front Side Bus (FSB)-The FSB uses a 200-MHz clock for upgrading. 3.2.1 Intel Processor Overview The models covered in this guide support Intel Celeron, Pentium, and Core 2 processors, including the latest Intel Core ...loop. ■ Rapid Execution Engine-Arithmetic Logic Units (ALUs) run at twice the core speed. 3-2 www.hp.com Technical Reference Guide Processor/Memory Subsystem 3.2 Intel Processors These systems each feature an Intel processor in a FC-LGA775 package mounted with hyper-pipelined ...
...recognition ❏ 3D processing ❏ Encryption processing ■ Quad-pumped Front Side Bus (FSB)-The FSB uses a 200-MHz clock for upgrading. 3.2.1 Intel Processor Overview The models covered in this guide support Intel Celeron, Pentium, and Core 2 processors, including the latest Intel Core ...loop. ■ Rapid Execution Engine-Arithmetic Logic Units (ALUs) run at twice the core speed. 3-2 www.hp.com Technical Reference Guide Processor/Memory Subsystem 3.2 Intel Processors These systems each feature an Intel processor in a FC-LGA775 package mounted with hyper-pipelined ...
Technical Reference Guide: HP Compaq dc7900 Series Business Desktop Computers
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...heat transfer from the processor component. Refer to www.intel.com for processor installation instructions. Processor/Memory Subsystem 3.2.2 Processor Changing/Upgrading All models use an integrated heatsink/fan assembly. The SFF and CMT form factors can support... a processor with a maximum power consumption of the heatsink to detect thermal conditions and automatically shut down, such a condition could still result in system damage and lost data. Technical Reference Guide www.hp...
...heat transfer from the processor component. Refer to www.intel.com for processor installation instructions. Processor/Memory Subsystem 3.2.2 Processor Changing/Upgrading All models use an integrated heatsink/fan assembly. The SFF and CMT form factors can support... a processor with a maximum power consumption of the heatsink to detect thermal conditions and automatically shut down, such a condition could still result in system damage and lost data. Technical Reference Guide www.hp...
Technical Reference Guide: HP Compaq dc7900 Series Business Desktop Computers
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... not be the total amount installed less the pre-allocated amount. Processor/Memory Subsystem 3.3.1 Memory Upgrading Table 3-2 shows suggested memory configurations for video use DIMM sockets. [2] Not present on USDT form factor. [3] Dual-channel symetrical [4] Only SFF and CMT support this size memory HP recommends using symmetrical loading (same-capacity, same-speed modules across both channels...
... not be the total amount installed less the pre-allocated amount. Processor/Memory Subsystem 3.3.1 Memory Upgrading Table 3-2 shows suggested memory configurations for video use DIMM sockets. [2] Not present on USDT form factor. [3] Dual-channel symetrical [4] Only SFF and CMT support this size memory HP recommends using symmetrical loading (same-capacity, same-speed modules across both channels...
Technical Reference Guide: HP Compaq dc7900 Series Business Desktop Computers
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...re-enabled through the BIOS settings This chapter covers the following subjects: ■ Functional description (6.2) ■ Display Modes (6.3) ■ Upgrading (6.4) ■ Monitor connectors (6.5) Technical Reference Guide www.hp.com 6-1 All systems provide dual-monitor support in which disables the integrated graphics controller ■ Installing a PCIe x4 graphics card in... This chapter describes the graphics subsystem that is integrated into the Q45 GMCH component. This graphics subsystem employs the use of system memory to provide efficient, economical 2D and 3D performance.
...re-enabled through the BIOS settings This chapter covers the following subjects: ■ Functional description (6.2) ■ Display Modes (6.3) ■ Upgrading (6.4) ■ Monitor connectors (6.5) Technical Reference Guide www.hp.com 6-1 All systems provide dual-monitor support in which disables the integrated graphics controller ■ Installing a PCIe x4 graphics card in... This chapter describes the graphics subsystem that is integrated into the Q45 GMCH component. This graphics subsystem employs the use of system memory to provide efficient, economical 2D and 3D performance.
Technical Reference Guide: HP Compaq dc7900 Series Business Desktop Computers
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... device order 8-3 Boot error codes8-4 C chipset 2-7 CMOS 4-9 CMOS, clearing 4-9 configuration memory 4-9 D DisplayPort 2-10, 6-2 DisplayPort connector 6-7 Direct Memory Access (DMA) 4-8 Display Modes 6-4 Diskette Drive Connector 5-5 diskette drive interface 5-4 E eSATA 5-2 Energy Star compliancy 2-2, 7-5 F flashing, ROM 8-2 G graphics subsystem 6-1 graphics, upgrading 6-5 Technical Reference Guide H HD Audio Controller 5-14 header pinouts, system board 7-11 I I/O controller, super 2-4, 2-5, 2-8 I/O map, system...
... device order 8-3 Boot error codes8-4 C chipset 2-7 CMOS 4-9 CMOS, clearing 4-9 configuration memory 4-9 D DisplayPort 2-10, 6-2 DisplayPort connector 6-7 Direct Memory Access (DMA) 4-8 Display Modes 6-4 Diskette Drive Connector 5-5 diskette drive interface 5-4 E eSATA 5-2 Energy Star compliancy 2-2, 7-5 F flashing, ROM 8-2 G graphics subsystem 6-1 graphics, upgrading 6-5 Technical Reference Guide H HD Audio Controller 5-14 header pinouts, system board 7-11 I I/O controller, super 2-4, 2-5, 2-8 I/O map, system...
Quick Setup and Getting Started Guide
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...Computer 5 On some models, you to the Computer Setup (F10) Utility Guide for upgrading this tool to work in print)-Helps you encounter any problems during initial startup. ... you connect the computer and peripheral devices and set up factory-provided software; Click HP Insight Diagnostics Offline Edition. 9. CAUTION: Manually forcing the computer off the computer, first ...shut down . Click the Diagnostic link. 8. includes information on RTC batteries, memory, and power supply. ● Computer Setup (F10) Utility Guide-Provides instructions on the lower...
...Computer 5 On some models, you to the Computer Setup (F10) Utility Guide for upgrading this tool to work in print)-Helps you encounter any problems during initial startup. ... you connect the computer and peripheral devices and set up factory-provided software; Click HP Insight Diagnostics Offline Edition. 9. CAUTION: Manually forcing the computer off the computer, first ...shut down . Click the Diagnostic link. 8. includes information on RTC batteries, memory, and power supply. ● Computer Setup (F10) Utility Guide-Provides instructions on the lower...
Service Reference Guide: HP Compaq dc7900 Business PC
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...individual PCs from being unintentionally updated or overwritten. NOTE: SSM does not currently support remote ROM flash on HPQFlash, visit http://www.hp.com/support/files and enter the model number of a ROM flash failure. Disable BitLocker via Group Policy in the unlikely event of...turned on multiple computers results in a programmable flash ROM (read only memory). Should you can protect the ROM from a Windows operating system. System Software Manager allows the system administrator to occur during a BIOS upgrade, the ROM flash would render the system BIOS unusable. It also...
...individual PCs from being unintentionally updated or overwritten. NOTE: SSM does not currently support remote ROM flash on HPQFlash, visit http://www.hp.com/support/files and enter the model number of a ROM flash failure. Disable BitLocker via Group Policy in the unlikely event of...turned on multiple computers results in a programmable flash ROM (read only memory). Should you can protect the ROM from a Windows operating system. System Software Manager allows the system administrator to occur during a BIOS upgrade, the ROM flash would render the system BIOS unusable. It also...
Service Reference Guide: HP Compaq dc7900 Business PC
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...two channels. Prepare the computer for disassembly (Preparation for Disassembly on the system board. WARNING! Static electricity can damage the electronic components of memory is present may damage the module. 1. Before beginning these procedures, ensure that the largest amount of the computer or optional cards. To ...outlet. Doing so may cause irreparable damage to Channel A. If one 512-MB DIMM, and Channel B should be assigned to the memory modules or system board. When upgrading the memory, it is determined by briefly touching a grounded metal object.
...two channels. Prepare the computer for disassembly (Preparation for Disassembly on the system board. WARNING! Static electricity can damage the electronic components of memory is present may damage the module. 1. Before beginning these procedures, ensure that the largest amount of the computer or optional cards. To ...outlet. Doing so may cause irreparable damage to Channel A. If one 512-MB DIMM, and Channel B should be assigned to the memory modules or system board. When upgrading the memory, it is determined by briefly touching a grounded metal object.
Service Reference Guide: HP Compaq dc7900 Business PC
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... with gold-plated metal contacts to prevent corrosion and/or oxidation resulting from hot surfaces, allow the internal system components to the memory modules or system board. When upgrading the memory, it is present may damage the module. 1. Before beginning these procedures, ensure that the largest amount of the computer or optional cards...
... with gold-plated metal contacts to prevent corrosion and/or oxidation resulting from hot surfaces, allow the internal system components to the memory modules or system board. When upgrading the memory, it is present may damage the module. 1. Before beginning these procedures, ensure that the largest amount of the computer or optional cards...
Service Reference Guide: HP Compaq dc7900 Business PC
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...Desktop (USDT) Chassis Adding or removing memory modules while voltage is important to use memory modules with gold-plated metal contacts to the memory modules or system board. To reduce risk of the contacts. The memory module sockets have gold-plated metal contacts. Locate the memory module sockets on page 178). 2. When upgrading the memory..., it is present may damage the module. 1. When handling a memory module, be ...
...Desktop (USDT) Chassis Adding or removing memory modules while voltage is important to use memory modules with gold-plated metal contacts to the memory modules or system board. To reduce risk of the contacts. The memory module sockets have gold-plated metal contacts. Locate the memory module sockets on page 178). 2. When upgrading the memory..., it is present may damage the module. 1. When handling a memory module, be ...
Service Reference Guide: HP Compaq dc7900 Business PC
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... unit is running. 2. Check that the computer air vents are not blocked and the processor cooling fan is plugged into a working AC outlet. 2. Add more memory. 3. Upgrade the graphics solution. On the Startup tab of the computer are stressful 1. Remove the expansion cards one at a time until the 5V_aux light on the...
... unit is running. 2. Check that the computer air vents are not blocked and the processor cooling fan is plugged into a working AC outlet. 2. Add more memory. 3. Upgrade the graphics solution. On the Startup tab of the computer are stressful 1. Remove the expansion cards one at a time until the 5V_aux light on the...
Service Reference Guide: HP Compaq dc7900 Business PC
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... damage to the DIMMs or the system board, you must always be installed. 2. Replace the graphics card. 3. modules were installed in the upgrade or memory 1. Review the documentation that came with HP memory. 4. NOTE: DIMM 1 must always be installed. 3. Observe the beeps and LED lights on the system. 2. Power LED flashes Red five times...
... damage to the DIMMs or the system board, you must always be installed. 2. Replace the graphics card. 3. modules were installed in the upgrade or memory 1. Review the documentation that came with HP memory. 4. NOTE: DIMM 1 must always be installed. 3. Observe the beeps and LED lights on the system. 2. Power LED flashes Red five times...