HP Dc7900 Usdt - Compaq Business Desktop

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Technical Reference Guide: HP Compaq dc7900 Series Business Desktop Computers


Page 5
... Specifications 5-18 6 Integrated Graphics Subsystem 6.1 Introduction 6-1 6.2 Functional Description 6-2 6.3 Display Modes 6-4 6.4 Upgrading 6-5 6.5 Monitor Connectors 6-6 6.5.1 Analog Monitor Connector 6-6 6.5.2 DisplayPort Connector 6-7 7 Power and Signal Distribution 7.1 Introduction 7-1 7.2 Power Distribution 7-1 7.2.1 USDT Power Distribution 7-1 7.2.2 SFF/CMT Power Distribution 7-2 7.2.3 Energy Star Compliancy 7-6 7.3 Power Control 7-6 7.3.1 Power Button 7-6 7.3.2 Wake Up Events 7-8 7.3.3 Power Management 7-9 7.4 Signal Distribution 7-10 Technical Reference Guide www...
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Technical Reference Guide: HP Compaq dc7900 Series Business Desktop Computers


Page 17
HP Compaq dc7900 Business PCs This chapter includes the following topics: ■ Features (2.2) ■ System architecture (2.3) ■ Specifications (2.4) HP dc7900 CMT Technical Reference Guide www.hp.com 2-1 These models feature a similar architecture incorporating both PCI 2.3 and PCIe 1.1 buses. HP dc7900 USDT HP dc7900 SFF Figure 2-1. Based on the Intel processor with the Intel Q45 Express chipset, these systems emphasize performance along with the...
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Technical Reference Guide: HP Compaq dc7900 Series Business Desktop Computers


Page 18
... factors only) ❏ USB port disable ❏ Intel Standard Manageability support ❏ Intel vPro Technology ❏ HP Virtual Safe Browser ■ PS/2 enhanced keyboard ■ PS/2 optical scroll mouse ■ Energy Star compliancy met by all USDT form factors (Energy Star-qualified configurations of SFF and CMT form factors are available). 2-2 www...
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Technical Reference Guide: HP Compaq dc7900 Series Business Desktop Computers


Page 19
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 ... in ). System Overview Table 2-1 shows the differences in features between the different PC series based on form factor: Table 2-1 Feature Difference Matrix by Form Factor USDT SFF CMT Processor types supported Intel Celeron, Pentium dual-core, Core 2 Duo Intel Celeron, Pentium dual-core, Core 2 Duo, Core 2 Quad Intel Celeron, Pentium dual...
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Technical Reference Guide: HP Compaq dc7900 Series Business Desktop Computers


Page 20
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] # of PCIe 1.1 x1 slots 0 1 [1] # of system functionality. ...latest Intel processors, the Q45 GMCH integrates with the processor through a 800/1066/1333-MHz Front-Side Bus (FSB) and communicates with optional adapter. 2-4 www.hp.com Technical Reference Guide Table 2-2 lists the differences between models by form factor. All systems covered in this guide feature an architecture based on SFF...
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Technical Reference Guide: HP Compaq dc7900 Series Business Desktop Computers


Page 22
CAUTION: The USDT form factor can support a processor rated up to support the following processor types: ■ Intel Celeron: single- Refer to 65 watts. The SFF and CMT ... support a processor rated up to the applicable Service Reference Guide for detailed removal and replacement procedures of the heatsink/fan assembly and the processor. 2-6 www.hp.com Technical Reference Guide Intel processors with software written for earlier x86 microprocessors and include streaming SIMD extensions (SSE, SSE2, and SSE3) for enhancing 3D...
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Technical Reference Guide: HP Compaq dc7900 Series Business Desktop Computers


Page 24
... DDR2 800- System Overview 2.3.3 Support Components Input/output functions not provided by the chipset are NOT interchangeable. 2-8 www.hp.com Technical Reference Guide Table 2-4 shows the functions provided by other functions as well. COM2 requires external bracket/cable assembly...cable assembly. 2.3.4 System Memory These systems implement a dual-channel Double Data Rate (DDR2) memory architecture. and 667-MHz DIMMs. The USDT system provides two SODIMM sockets supporting up to -digital stereo converters Analog I /F Intel 82567LM Network Interface 10/100/1000 Fast Ethernet network...
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Technical Reference Guide: HP Compaq dc7900 Series Business Desktop Computers


Page 25
... a local area network and includes power-down, wake-up to the internal header. BIOS Setup allows for removable media. Technical Reference Guide www.hp.com 2-9 In order to secure the system against a physical attack, ports may be disabled even if there is nothing physically connected to them,... such as the two front ports for internal storage devices: USDT: two SATA interfaces SFF: three SATA interfaces and one eSATA port CMT: four SATA interfaces and one eSATA port These systems may be ...
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Technical Reference Guide: HP Compaq dc7900 Series Business Desktop Computers


Page 27
...Specifications (Factory Configuration) Parameter Operating Non-operating Ambient Air Temperature 50o to 95o F (10o to 60o C, max. Technical Reference Guide www.hp.com 2-11 Specifications are given in this guide. rate of change without notice. Table 2-7 Power Supply Electrical Specifications Parameter Value Input Line ... Range: Nominal Maximum 50-60 Hz 47-63 Hz Energy Star 4.0 with 80Plus Bronze-level compliancy USDT SFF & CMT Standard Optional Maximum Continuous Power: USDT SFF CMT 135 watts 240 watts 365 watts NOTE: Energy Star 4.0 with 80Plus Bronze-level compliancy ...
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Technical Reference Guide: HP Compaq dc7900 Series Business Desktop Computers


Page 28
...26.2 lb (11.89 kg) Load-bearing ability of load such as a monitor. 2-12 www.hp.com Technical Reference Guide Minitower configuration. For desktop configuration, swap Height and Width dimensions. System Overview Table 2-8 Physical Specifications Parameter USDT [2] SFF [2] CMT [3] Height 2.60 in (6.60 cm) 3.95 in (10.03 cm) 17....63 in (44.8 cm) Width 9.90 in (25.15 cm) 13.3 in (33.78 cm) 7.0 in (16.8 cm) Depth 10.0 in (25.40 cm) 14.9 in (37.85 cm) 17.8 in desktop orientation ...
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Technical Reference Guide: HP Compaq dc7900 Series Business Desktop Computers


Page 30
...,301,488 320,173,056 Rotation Speed 5400/7200/ 10K RPM [3] 5400/7200/ 10K RPM [3] Drive Fault Prediction SMART IV SMART IV NOTES: [1] USDT supports 2.5-in [1] Interface SATA SATA Transfer Rate 1.5 & 3.0 Gb/s [2] 1.5 & 3.0 Gb/s [2] Drive Protection System Yes Yes Support? System Overview...Table 2-10 Hard Drive Specifications Parameter 80 GB 160 GB Drive Size 2.5 & 3.5 in.[1] 2.5 & 3.5 in . drives only. [2] USDT supports 1.5 Gb/s drives only. [3] USDT supports up to 7200-RPM drives only. [4] Supported by SFF and CMT form factors only. 250 GB [4] 3.5 in SATA 3.0 Gb/s ...
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Technical Reference Guide: HP Compaq dc7900 Series Business Desktop Computers


Page 31
... Q45 GMCH SDRAM Cntrl Channel A Channel B Note: [1] Not present on USDT form factor. DIMM or SODIMM XMM3 DIMM XMM4 [1] Figure 3-1. Processor/Memory Subsystem Architecture This chapter includes the following topics: ■ Intel processor (3.2) ■ Memory subsystem (3.3) Technical Reference Guide www.hp.com 3-1 This chapter describes the processor/memory subsystem. 3 Processor/Memory Subsystem...
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Technical Reference Guide: HP Compaq dc7900 Series Business Desktop Computers


Page 33
... an integrated heatsink/fan assembly. Although the system is critical on these systems. Improper attachment of 95 watts. CAUTION: The USDT form factor can support a processor with a maximum power consumption of the heatsink will likely result in damage to the processor component...T) mounting socket. Refer to detect thermal conditions and automatically shut down, such a condition could still result in a thermal condition. Technical Reference Guide www.hp.com 3-3 The SFF and CMT form factors can result in MHz L2 Cache VT, [1] 2.66 1066 8 MB VT, [1] 2.40 1066 8 MB...
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Technical Reference Guide: HP Compaq dc7900 Series Business Desktop Computers


Page 34
... to work at a 667-MHz effective speed, provide a throughput of memory while the SFF and CMT form factors support up to include additional HP-added features such as follows: ■ Single-channel mode - These systems support memory modules with the following parameters: ■ Unbuffered, compatible ...and the SFF and CMT system boards provide four DIMM sockets ■ XMM1, channel A (black) ■ XMM2, channel A (white, not present in USDT form factor) ■ XMM3, channel B (white) ■ XMM4, channel B (white, not present in pairs although installation of time during POST and ...
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Technical Reference Guide: HP Compaq dc7900 Series Business Desktop Computers


Page 35
...system. SFF and CMT form factors use (refer to achieve the best performance. The Q45 Express chipset includes a Management Engine that the USDT form factor provides only two memory sockets. ✎ Table 3-2 does not list all possible configurations. CAUTION: Always power down the ... one module, 32 MB for two modules) 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) to chapter 6). Addressing ...
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Technical Reference Guide: HP Compaq dc7900 Series Business Desktop Computers


Page 54
... 6 RX positive 2 TX positive 7 Ground 3 TX negative A Holding clip 4 Ground B Holding clip 5 RX negative -- -- ✎ The USDT system includes a notebook-type SATA connector (J102) that support tranfer rates up to a 2.5-inch mass storage device. 5-2 www.hp.com Technical Reference Guide A software solution is shown in the figure below. Input/Output Interfaces 5.2 SATA...
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Technical Reference Guide: HP Compaq dc7900 Series Business Desktop Computers


Page 79
...Logic, Voltage Regulators 90 - 264 VAC +19.5 Rtn VDC Pwr rating & ID External Power Supply Unit Figure 7-1. USDT Power Generation, Block Diagram Technical Reference Guide www.hp.com 7-1 Topics covered in this chapter include: ■ Power distribution (7.2) ■ Power Control (7.3) ■ Signal...VDC produced by the processing circuits, peripherals, and storage devices are not interchangeable between the three form factors. 7.2.1 USDT Power Distribution The USDT form factor uses an external ("brick") supply that connects to an active AC outlet. 7 Power and Signal Distribution...
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Technical Reference Guide: HP Compaq dc7900 Series Business Desktop Computers


Page 80
Power and Signal Distribution Table 7-1 lists the specifications of the external supply. Total surge power ( USDT 135-Watt Power Supply Unit Specifications Parameter Input Line Voltage Range Line Frequency Input Current, Maximum load @ 90 VAC Output Voltage Output Current, nominal load Output Current, maximum load Output Current, peak load (300 ms max) [1] 90-265 VAC 47-63 Hz 2.4 A 19.5 VDC 3.5 A 6.9 A 9.0 A NOTES: Total continuous power should not exceed 135 watts. Table 7-1.
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Technical Reference Guide: HP Compaq dc7900 Series Business Desktop Computers


Page 83
... +12 Pin 8 POK PSDet Pin 9 5 aux +5 Pin 10 +12 +5 Pin 11 +12 +5 Pin 12 +3.3 RTN NOTES: Connectors not shown to scale. Technical Reference Guide www.hp.com 7-5 The standard power supply unit for SFF and CMT systems is 87 percent efficient and compliant with the Energy Star 4.0 specification. values are VDC... = Power ok (power good) [1] This row represents pins 13-24 of connector P1. All + and - Figure 7-4. CMT Power Cable Diagram 7.2.3 Energy Star Compliancy The standard USDT power supply unit is Energy Star 3.0-compliant.
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Technical Reference Guide: HP Compaq dc7900 Series Business Desktop Computers


Page 88
... NIC header Notes SFF & CMT only CMT only CMT only SFF & CMT only SFF & CMT only SFF & CMT only SFF & CMT only SFF & CMT only USDT only SFF & CMT only SFF & CMT only SFF & CMT only SFF & CMT only SFF only SFF & CMT only SFF & CMT only CMT only SFF & CMT... only SFF & CMT only SFF and CMT only 7-10 www.hp.com Technical Reference Guide System Board Component Designations Component function +5 VDC LED Descriptor table override header SPI ROM boot block header Password clear header / jumper...

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  • Service Reference Guide: HP Compaq dc7900 Business PC
  • Technical Reference Guide: HP Compaq dc7900 Series Business Desktop Computers
  • HP ProtectTools User Guide
  • Troubleshooting Guide
  • Hardware Reference Guide - dc7900 Series Convertible Minitower
  • Desktop Management Guide
  • vPro Setup and Configuration for the dc7900p Business PC with Intel vPro Processor Technology
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  • Safety and Regulatory Information Desktops, Thin Clients, and Personal Workstations
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