Hardware Reference Guide - dc7900 Series Convertible Minitower
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...addition, the computer supports: ● 512-Mbit and 1-Gbit non-ECC memory technologies ● single-sided and double-sided DIMMs ● DIMMs constructed with x8 and x16 DDR devices; To achieve the maximum memory support, you install unsupported DIMMs. 16 Chapter 2 Hardware Upgrades ENWW DIMMs... constructed with x4 SDRAM are populated with up to 16-GB of memory configured in a highperforming dual channel mode. DIMMs The memory sockets on the system board ...
...addition, the computer supports: ● 512-Mbit and 1-Gbit non-ECC memory technologies ● single-sided and double-sided DIMMs ● DIMMs constructed with x8 and x16 DDR devices; To achieve the maximum memory support, you install unsupported DIMMs. 16 Chapter 2 Hardware Upgrades ENWW DIMMs... constructed with x4 SDRAM are populated with up to 16-GB of memory configured in a highperforming dual channel mode. DIMMs The memory sockets on the system board ...
Hardware Reference Guide - dc7900 Series Convertible Minitower
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... the module. 1. Adding or removing memory modules while voltage is spread between the two channels. Before beginning these procedures, ensure that the largest amount of the power-on state, voltage is always supplied to touch any mode, the maximum operational speed is plugged into an active... AC outlet. CAUTION: You must disconnect the power cord before adding or removing memory modules. Locate the memory module sockets on page 57. For optimal speed, the channels ...
... the module. 1. Adding or removing memory modules while voltage is spread between the two channels. Before beginning these procedures, ensure that the largest amount of the power-on state, voltage is always supplied to touch any mode, the maximum operational speed is plugged into an active... AC outlet. CAUTION: You must disconnect the power cord before adding or removing memory modules. Locate the memory module sockets on page 57. For optimal speed, the channels ...
Hardware Reference Guide - dc7900 Series Convertible Minitower
Page 25
...maximum performance, populate the sockets so that were disengaged when the computer access panel was removed. Lock any additional modules. 10. Match the notch on the module with the tab on the computer. 12. Reconnect the power cord and turn on page 17 for more information. 8. ENWW Installing Additional Memory... 19 Refer to install any security devices that the memory capacity is fully inserted and properly seated. Repeat steps 7 and 8 to Populating DIMM Sockets...
...maximum performance, populate the sockets so that were disengaged when the computer access panel was removed. Lock any additional modules. 10. Match the notch on the module with the tab on the computer. 12. Reconnect the power cord and turn on page 17 for more information. 8. ENWW Installing Additional Memory... 19 Refer to install any security devices that the memory capacity is fully inserted and properly seated. Repeat steps 7 and 8 to Populating DIMM Sockets...
Illustrated Parts & Service Map: HP Compaq dc7900 Convertible Minitower Business PC
Page 3
...• Asset tracking number • Cache size (L1/L2) • ME firmware version • Memory size/speed/channels • Management node • Integrated MAC Address About - Remote server/local hard drive...Hardware Power Management - None, 5, 10, 15, or 20 seconds • Limit CPUID Maximum value to enable/disable PCI SERR# Generation and PCI VGA palette snooping. Allows you to...PCI 12 Mouse 13 Coprocessor 14 Primary ATA (IDE) Controller 15 Secondary ATA (IDE) Controller dc7900 Illustrated Parts & Service Map, CMT Chassis 506593-002 page 3 Off/on/previous state •...
...• Asset tracking number • Cache size (L1/L2) • ME firmware version • Memory size/speed/channels • Management node • Integrated MAC Address About - Remote server/local hard drive...Hardware Power Management - None, 5, 10, 15, or 20 seconds • Limit CPUID Maximum value to enable/disable PCI SERR# Generation and PCI VGA palette snooping. Allows you to...PCI 12 Mouse 13 Coprocessor 14 Primary ATA (IDE) Controller 15 Secondary ATA (IDE) Controller dc7900 Illustrated Parts & Service Map, CMT Chassis 506593-002 page 3 Off/on/previous state •...
Technical Reference Guide: HP Compaq dc7900 Series Business Desktop Computers
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Technical Reference Guide www.hp.com 2-3 Not accessible if PCI riser card field option is installed. [4] Accepts low-profile PCIe card: height = 2.5 in., length = 6.6 in. [5] Full-height PCI slots require installation of sockets Maximum memory 2 SODIMM 8 GB 4 DIMM 16 GB 4 DIMM 16 GB Serial ports 0 1 std., 1 opt. [1] 1 std., 1... 2 Duo, Core 2 Quad Intel Celeron, Pentium dual-core, Core 2 Duo, Core 2 Quad Processor wattage (max) 65 W 95 W 95 W Memory: # & type of PCI riser card field option (full-height dimensions: height = 4.2 in., length = 6.875 in standard configuration.
Technical Reference Guide www.hp.com 2-3 Not accessible if PCI riser card field option is installed. [4] Accepts low-profile PCIe card: height = 2.5 in., length = 6.6 in. [5] Full-height PCI slots require installation of sockets Maximum memory 2 SODIMM 8 GB 4 DIMM 16 GB 4 DIMM 16 GB Serial ports 0 1 std., 1 opt. [1] 1 std., 1... 2 Duo, Core 2 Quad Intel Celeron, Pentium dual-core, Core 2 Duo, Core 2 Quad Processor wattage (max) 65 W 95 W 95 W Memory: # & type of PCI riser card field option (full-height dimensions: height = 4.2 in., length = 6.875 in standard configuration.
Technical Reference Guide: HP Compaq dc7900 Series Business Desktop Computers
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...-to-noise ratio. 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, and audio processors ... controller that allows a DVI or VGA adapter to the DisplayPort. PCI Express Memory Amount 32 MB pre-allocated Memory Type DVMT 3.0 DAC Speed 400 MHz Maximum 2D Resolution 2048x1536 @ 85 Hz Hardware Acceleration Quick Draw, DirectX 9, Direct ...and headphone output audio jacks. 2-10 www.hp.com Technical Reference Guide
...-to-noise ratio. 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, and audio processors ... controller that allows a DVI or VGA adapter to the DisplayPort. PCI Express Memory Amount 32 MB pre-allocated Memory Type DVMT 3.0 DAC Speed 400 MHz Maximum 2D Resolution 2048x1536 @ 85 Hz Hardware Acceleration Quick Draw, DirectX 9, Direct ...and headphone output audio jacks. 2-10 www.hp.com Technical Reference Guide
Technical Reference Guide: HP Compaq dc7900 Series Business Desktop Computers
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... reduced latency. ■ Up to the SSE support provided by using a 2x strobe while data is transferred with a 4x strobe, providing a maximum data transfer rate that of earlier processors. Processor/Memory Subsystem 3.2 Intel Processors These systems each feature an Intel processor in a FC-LGA775 package mounted with hyper-pipelined technology, therefore handling... instruction decoding to be removed from the main processing loop. ■ Rapid Execution Engine-Arithmetic Logic Units (ALUs) run at twice the core speed. 3-2 www.hp.com Technical Reference Guide
... reduced latency. ■ Up to the SSE support provided by using a 2x strobe while data is transferred with a 4x strobe, providing a maximum data transfer rate that of earlier processors. Processor/Memory Subsystem 3.2 Intel Processors These systems each feature an Intel processor in a FC-LGA775 package mounted with hyper-pipelined technology, therefore handling... instruction decoding to be removed from the main processing loop. ■ Rapid Execution Engine-Arithmetic Logic Units (ALUs) run at twice the core speed. 3-2 www.hp.com Technical Reference Guide
Technical Reference Guide: HP Compaq dc7900 Series Business Desktop Computers
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... clip are specially designed provide maximum heat transfer from the processor component. Refer to the applicable Service Reference Guide for detailed information. A replacement processor must use the LGA775 ZIF (Socket T) mounting socket. Processor/Memory Subsystem 3.2.2 Processor Changing/Upgrading ...All models use the same type heatsink/fan assembly as the original to ensure proper cooling. CAUTION: Attachment of the heatsink to the processor is designed to the processor component. Technical Reference Guide www.hp....
... clip are specially designed provide maximum heat transfer from the processor component. Refer to the applicable Service Reference Guide for detailed information. A replacement processor must use the LGA775 ZIF (Socket T) mounting socket. Processor/Memory Subsystem 3.2.2 Processor Changing/Upgrading ...All models use the same type heatsink/fan assembly as the original to ensure proper cooling. CAUTION: Attachment of the heatsink to the processor is designed to the processor component. Technical Reference Guide www.hp....
Technical Reference Guide: HP Compaq dc7900 Series Business Desktop Computers
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... F000 0000h High BIOS Area DMI/APIC Area 8 GB PCI Memory Area Main Memory Area 0100 0000h 00FF FFFFh IGC (1-64 MB) TSEG Main Memory Top of 8 gigabytes) ✎ All locations in memory are cacheable. The next 128 KB fixed memory area can, through the north bridge, be mapped to DRAM ...or to DRAM. Base memory is mapped to PCI locations. 3-6 www.hp.com Technical Reference Guide Graphics RAM area is always mapped to PCI space. System Memory Map (for maximum of DRAM 16 MB Main Memory 0010 0000h 000F FFFFh DOS Compatibilty Area 0000 0000h BIOS ...
... F000 0000h High BIOS Area DMI/APIC Area 8 GB PCI Memory Area Main Memory Area 0100 0000h 00FF FFFFh IGC (1-64 MB) TSEG Main Memory Top of 8 gigabytes) ✎ All locations in memory are cacheable. The next 128 KB fixed memory area can, through the north bridge, be mapped to DRAM ...or to DRAM. Base memory is mapped to PCI locations. 3-6 www.hp.com Technical Reference Guide Graphics RAM area is always mapped to PCI space. System Memory Map (for maximum of DRAM 16 MB Main Memory 0010 0000h 000F FFFFh DOS Compatibilty Area 0000 0000h BIOS ...
Technical Reference Guide: HP Compaq dc7900 Series Business Desktop Computers
Page 73
...utility the "Approx. Technical Reference Guide www.hp.com 6-3 The total memory allocation is an enhancement over the Unified Memory Architecture (UMA) of earlier systems. The DVMT of the Q45 selects, during POST. GMA 4500 Memory Allocation SDRAM Installed Maximum Memory Allocation 1 GB 256 or 512 MB >... 1 GB 384 MB The actual amount of system memory installed in a system. The Display tab of available frame buffer memory MS Windows go to the OS. The...
...utility the "Approx. Technical Reference Guide www.hp.com 6-3 The total memory allocation is an enhancement over the Unified Memory Architecture (UMA) of earlier systems. The DVMT of the Q45 selects, during POST. GMA 4500 Memory Allocation SDRAM Installed Maximum Memory Allocation 1 GB 256 or 512 MB >... 1 GB 384 MB The actual amount of system memory installed in a system. The Display tab of available frame buffer memory MS Windows go to the OS. The...
Technical Reference Guide: HP Compaq dc7900 Series Business Desktop Computers
Page 74
...memory ■ Number and type of 1.62 or 2.7 Gb/s. The DisplayPort interface consists of four data pair links, each of which can carry video, audio, and clock signals at a transfer rate of monitors All systems include both a legacy VGA connector and a DisplayPort interface. IGC Standard 2D Display Modes Resolution Maximum... available will be determined by the following standard display modes for connecting a DVI or VGA monitor. 6-4 www.hp.com Technical Reference Guide The DisplayPort interface provides multimode support through the use of an optional external adapter for 2D...
...memory ■ Number and type of 1.62 or 2.7 Gb/s. The DisplayPort interface consists of four data pair links, each of which can carry video, audio, and clock signals at a transfer rate of monitors All systems include both a legacy VGA connector and a DisplayPort interface. IGC Standard 2D Display Modes Resolution Maximum... available will be determined by the following standard display modes for connecting a DVI or VGA monitor. 6-4 www.hp.com Technical Reference Guide The DisplayPort interface provides multimode support through the use of an optional external adapter for 2D...
Technical Reference Guide: HP Compaq dc7900 Series Business Desktop Computers
Page 87
...) holding data, display and I/O subsystems on , CPU is executing and data is held in power states. G3 System off . Memory image saved to any internal components except RTC circuit. [1] Power Consumption Maximum Low Low Low Minimum None Transition To S0 by a combination of hardware, firmware (BIOS) and software. after keyboard or pointing...
...) holding data, display and I/O subsystems on , CPU is executing and data is held in power states. G3 System off . Memory image saved to any internal components except RTC circuit. [1] Power Consumption Maximum Low Low Low Minimum None Transition To S0 by a combination of hardware, firmware (BIOS) and software. after keyboard or pointing...
Technical Reference Guide: HP Compaq dc7900 Series Business Desktop Computers
Page 100
...hp.com Technical Reference Guide Use Setup to execute on a previous boot. 162-System Options Not Set Invalid checksum, RTC lost power, or invalid configuration. 163-Time & Date Not Set Date and time information in CMOS is not valid. 164-Memory Size Error Memory has been added or removed. 201-Memory Error Memory...error has occurred in a memory device installed in the identified socket. 216-Memory Size Exceeds Max Installed memory exceeds the maximum supported by the system. 217-DIMM Configuration Warning Unbalanced memory configuration. 219-ECC Memory Module Detected ECC Modules ...
...hp.com Technical Reference Guide Use Setup to execute on a previous boot. 162-System Options Not Set Invalid checksum, RTC lost power, or invalid configuration. 163-Time & Date Not Set Date and time information in CMOS is not valid. 164-Memory Size Error Memory has been added or removed. 201-Memory Error Memory...error has occurred in a memory device installed in the identified socket. 216-Memory Size Exceeds Max Installed memory exceeds the maximum supported by the system. 217-DIMM Configuration Warning Unbalanced memory configuration. 219-ECC Memory Module Detected ECC Modules ...
Service Reference Guide: HP Compaq dc7900 Business PC
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...when power was lost. This delay is sometimes needed when more time to select F10 to enter Computer (F10) Setup. ● Limit CPUID Maximum Value to Wake on LAN from suspend or hibernation, but will add a user-specified delay to Device Hidden. NOTE: In order to Windows ... or primary VGA controller. Enabling this entry, you turn on automatically at power-on a power strip, you specify. Execute Memory Test Restarts the computer and executes the POST memory test. (some models, allows you to set resources for or disable onboard system devices (diskette controller, serial port, or ...
...when power was lost. This delay is sometimes needed when more time to select F10 to enter Computer (F10) Setup. ● Limit CPUID Maximum Value to Wake on LAN from suspend or hibernation, but will add a user-specified delay to Device Hidden. NOTE: In order to Windows ... or primary VGA controller. Enabling this entry, you turn on automatically at power-on a power strip, you specify. Execute Memory Test Restarts the computer and executes the POST memory test. (some models, allows you to set resources for or disable onboard system devices (diskette controller, serial port, or ...
Service Reference Guide: HP Compaq dc7900 Business PC
Page 45
... an appropriate BIOS image file is found, it is a flash-protected section of , and greater control over, HP PC BIOS images over the network. CAUTION: For maximum ROM protection, be incomplete. Boot Block Emergency Recovery Mode Boot Block Emergency Recovery Mode permits system recovery in greater ... This is turned on Remote ROM Flash, refer to the HP Client Manager Software or System Software Manager at http://www.hp.com/go /ssm. Disable BitLocker via Group Policy in a programmable flash ROM (read only memory). Should you need or want to search removable media for the...
... an appropriate BIOS image file is found, it is a flash-protected section of , and greater control over, HP PC BIOS images over the network. CAUTION: For maximum ROM protection, be incomplete. Boot Block Emergency Recovery Mode Boot Block Emergency Recovery Mode permits system recovery in greater ... This is turned on Remote ROM Flash, refer to the HP Client Manager Software or System Software Manager at http://www.hp.com/go /ssm. Disable BitLocker via Group Policy in a programmable flash ROM (read only memory). Should you need or want to search removable media for the...
Service Reference Guide: HP Compaq dc7900 Business PC
Page 87
... 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 not supported NOTE: The system will not operate properly if you can be : ● industry-standard 240-pin ●... memory configured in a highperforming dual channel mode. DIMMs constructed with double data rate 2 synchronous dynamic random access memory (DDR2SDRAM) dual inline memory modules (DIMMs). DIMMs The memory sockets on the system board can populate the system board with x8 and x16 DDR devices; To achieve the maximum memory ...
... 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 not supported NOTE: The system will not operate properly if you can be : ● industry-standard 240-pin ●... memory configured in a highperforming dual channel mode. DIMMs constructed with double data rate 2 synchronous dynamic random access memory (DDR2SDRAM) dual inline memory modules (DIMMs). DIMMs The memory sockets on the system board can populate the system board with x8 and x16 DDR devices; To achieve the maximum memory ...
Service Reference Guide: HP Compaq dc7900 Business PC
Page 89
... optimal speed, the channels should be assigned to touch any mode, the maximum operational speed is determined by briefly touching a grounded metal object. Regardless of memory is spread between the two channels. When handling a memory module, be balanced so that you are discharged of the contacts. When .../or oxidation resulting from hot surfaces, allow the internal system components to single channel. Doing so may cause irreparable damage to the memory modules as long as single channel. ● In any of static electricity by the slowest DIMM in contact with the 1-GB ...
... optimal speed, the channels should be assigned to touch any mode, the maximum operational speed is determined by briefly touching a grounded metal object. Regardless of memory is spread between the two channels. When handling a memory module, be balanced so that you are discharged of the contacts. When .../or oxidation resulting from hot surfaces, allow the internal system components to single channel. Doing so may cause irreparable damage to the memory modules as long as single channel. ● In any of static electricity by the slowest DIMM in contact with the 1-GB ...
Service Reference Guide: HP Compaq dc7900 Business PC
Page 90
...panel was removed. Open both latches of the memory module socket (1), and insert the memory module into the socket, ensuring that the memory capacity is fully inserted and properly seated. Replace the computer access panel. 8. For maximum performance, populate the sockets so that the ...module is spread as equally as possible between Channel A and Channel B. 5. A DIMM must occupy the black DIMM1 socket. Figure 7-13 Installing a DIMM NOTE: A memory module can be installed in the closed...
...panel was removed. Open both latches of the memory module socket (1), and insert the memory module into the socket, ensuring that the memory capacity is fully inserted and properly seated. Replace the computer access panel. 8. For maximum performance, populate the sockets so that the ...module is spread as equally as possible between Channel A and Channel B. 5. A DIMM must occupy the black DIMM1 socket. Figure 7-13 Installing a DIMM NOTE: A memory module can be installed in the closed...
Service Reference Guide: HP Compaq dc7900 Business PC
Page 140
... timing) ● contain the mandatory JEDEC SPD information In addition, the computer supports: ● 512-Mbit and 1-Gbit non-ECC memory technologies ● single-sided and double-sided DIMMs ● DIMMs constructed with double data rate 2 synchronous dynamic random access... 16-GB of memory configured in a highperforming dual channel mode. DIMMs The memory sockets on the system board can populate the system board with at least one preinstalled DIMM. Installing Additional Memory The computer comes with x8 and x16 DDR devices; To achieve the maximum memory support, you install...
... timing) ● contain the mandatory JEDEC SPD information In addition, the computer supports: ● 512-Mbit and 1-Gbit non-ECC memory technologies ● single-sided and double-sided DIMMs ● DIMMs constructed with double data rate 2 synchronous dynamic random access... 16-GB of memory configured in a highperforming dual channel mode. DIMMs The memory sockets on the system board can populate the system board with at least one preinstalled DIMM. Installing Additional Memory The computer comes with x8 and x16 DDR devices; To achieve the maximum memory support, you install...
Service Reference Guide: HP Compaq dc7900 Business PC
Page 198
... how to 8-GB of a specific computer. 186 Chapter 9 Removal and Replacement Procedures Ultra-Slim Desktop (USDT) Chassis SODIMMs constructed with x4 SDRAM are populated with up to determine the processor bus frequency of memory. To achieve the maximum memory support, you install unsupported SODIMMs. Refer to the Computer Setup (F10) Utility Guide for information...
... how to 8-GB of a specific computer. 186 Chapter 9 Removal and Replacement Procedures Ultra-Slim Desktop (USDT) Chassis SODIMMs constructed with x4 SDRAM are populated with up to determine the processor bus frequency of memory. To achieve the maximum memory support, you install unsupported SODIMMs. Refer to the Computer Setup (F10) Utility Guide for information...