Service Reference Guide - HP Compaq dc7800 Business PC
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...Identifying the Chassis, Routine Care, and Disassembly Preparation Chassis Designations ...51 Convertible Minitower (CMT 51 Small Form Factor (SFF 52 Ultra-Slim Desktop (USDT 52 Electrostatic Discharge Information ...53 Generating Static ...53 Preventing Electrostatic Damage to Equipment 53 Personal Grounding Methods and... the Computer Case 56 Cleaning the Keyboard ...56 Cleaning the Monitor ...57 Cleaning the Mouse ...57 Service Considerations ...57 Power Supply Fan ...57 Tools and Software Requirements 57 Screws ...58 Cables and Connectors ...58 Hard Drives ...58 Lithium Coin Cell ...
...Identifying the Chassis, Routine Care, and Disassembly Preparation Chassis Designations ...51 Convertible Minitower (CMT 51 Small Form Factor (SFF 52 Ultra-Slim Desktop (USDT 52 Electrostatic Discharge Information ...53 Generating Static ...53 Preventing Electrostatic Damage to Equipment 53 Personal Grounding Methods and... the Computer Case 56 Cleaning the Keyboard ...56 Cleaning the Monitor ...57 Cleaning the Mouse ...57 Service Considerations ...57 Power Supply Fan ...57 Tools and Software Requirements 57 Screws ...58 Cables and Connectors ...58 Hard Drives ...58 Lithium Coin Cell ...
Service Reference Guide - HP Compaq dc7800 Business PC
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... Inner Chassis Fan ...96 Serial Port ...97 Power Supply ...98 System Board ...99 Battery ...100 Type 1 Battery Holder ...101 Type 2 Battery Holder ...101 Type 3 Battery Holder ...102 Changing from a Desktop to a Minitower Configuration 103 Changing from a Minitower to a Desktop Configuration 105 8 Removal and Replacement Procedures Small Form Factor (SFF) Chassis Preparation for Disassembly ...107 Unlocking...
... Inner Chassis Fan ...96 Serial Port ...97 Power Supply ...98 System Board ...99 Battery ...100 Type 1 Battery Holder ...101 Type 2 Battery Holder ...101 Type 3 Battery Holder ...102 Changing from a Desktop to a Minitower Configuration 103 Changing from a Minitower to a Desktop Configuration 105 8 Removal and Replacement Procedures Small Form Factor (SFF) Chassis Preparation for Disassembly ...107 Unlocking...
Service Reference Guide - HP Compaq dc7800 Business PC
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...processor or power supply) failure ● Forgotten password NOTE: The Smart Cover FailSafe Key is a specialized tool available from HP. For ... unauthorized access to the Desktop Management Guide. To obtain a FailSafe Key: ● Contact an authorized HP reseller or service provider.... The Smart Cover Lock is an optional feature included on some models only. order this key before you will need the key to access the internal computer components in the Support Telephone Numbers guide. 108 Chapter 8 Removal and Replacement Procedures Small Form Factor (SFF...
...processor or power supply) failure ● Forgotten password NOTE: The Smart Cover FailSafe Key is a specialized tool available from HP. For ... unauthorized access to the Desktop Management Guide. To obtain a FailSafe Key: ● Contact an authorized HP reseller or service provider.... The Smart Cover Lock is an optional feature included on some models only. order this key before you will need the key to access the internal computer components in the Support Telephone Numbers guide. 108 Chapter 8 Removal and Replacement Procedures Small Form Factor (SFF...
Service Reference Guide - HP Compaq dc7800 Business PC
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...on the cable. Sharp creases may damage the wires. ● Some flat ribbon cables come prefolded. Squeeze on components like the drive cage, power supply, or computer cover to push cables down into its normal position. ● When folding a flat ribbon cable, never fold to the operation ...● Never bend a SATA data cable tighter than a 30 mm (1.18 in a failed power supply. 124 Chapter 8 Removal and Replacement Procedures Small Form Factor (SFF) Chassis Printed circuit cards like the power supply and drive cage to the cable end of the connector and pull it straight up (2). Always ...
...on the cable. Sharp creases may damage the wires. ● Some flat ribbon cables come prefolded. Squeeze on components like the drive cage, power supply, or computer cover to push cables down into its normal position. ● When folding a flat ribbon cable, never fold to the operation ...● Never bend a SATA data cable tighter than a 30 mm (1.18 in a failed power supply. 124 Chapter 8 Removal and Replacement Procedures Small Form Factor (SFF) Chassis Printed circuit cards like the power supply and drive cage to the cable end of the connector and pull it straight up (2). Always ...
Service Reference Guide - HP Compaq dc7800 Business PC
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... drive cage to its upright position. The preinstalled 3.5-inch hard drive is located beneath the power supply. To remove and replace the hard drive: 1. The hard drive is located under the power supply. Remove the access panel (Computer Access Panel on page 107). 2. CAUTION: If the computer...around the Smart Cover Lock assembly as you raise the power supply to avoid damage to its upright position. 4. Rotate the power supply to the cables or lock. 138 Chapter 8 Removal and Replacement Procedures Small Form Factor (SFF) Chassis Primary 3.5-inch Internal SATA Hard Drive NOTE: The...
... drive cage to its upright position. The preinstalled 3.5-inch hard drive is located beneath the power supply. To remove and replace the hard drive: 1. The hard drive is located under the power supply. Remove the access panel (Computer Access Panel on page 107). 2. CAUTION: If the computer...around the Smart Cover Lock assembly as you raise the power supply to avoid damage to its upright position. 4. Rotate the power supply to the cables or lock. 138 Chapter 8 Removal and Replacement Procedures Small Form Factor (SFF) Chassis Primary 3.5-inch Internal SATA Hard Drive NOTE: The...
Service Reference Guide - HP Compaq dc7800 Business PC
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... on the system board when the computer is plugged into an active AC outlet. Release the power supply cables from the system board. 5. Rotate the power supply to the equipment the power cord should be disconnected from all of the chassis and under the drive cage. 6. CAUTION:... When installing the power supply cables, make sure they are properly positioned so they are not cut by the drive cage and are not pinched by the rotating power supply. 152 Chapter 8 Removal and Replacement Procedures Small Form Factor (SFF) Chassis To install the power supply, reverse the removal procedure....
... on the system board when the computer is plugged into an active AC outlet. Release the power supply cables from the system board. 5. Rotate the power supply to the equipment the power cord should be disconnected from all of the chassis and under the drive cage. 6. CAUTION:... When installing the power supply cables, make sure they are properly positioned so they are not cut by the drive cage and are not pinched by the rotating power supply. 152 Chapter 8 Removal and Replacement Procedures Small Form Factor (SFF) Chassis To install the power supply, reverse the removal procedure....
Service Reference Guide - HP Compaq dc7800 Business PC
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... inner chassis fan removal and replacement 96 installing optical drive 87 memory removal and replacement 69 padlock removal and replacement 62 power supply removal and replacement 98 preparation for disassembly 60 processor removal and replacement 93 ReadyBoost card removal and replacement 89 rear chassis...deployment tools, software 21 desktop conversion 105 diagnostic tool for hard drives 47 diagnostics utility 15 DIMMs. See memory disassembly preparation CMT 60 SFF 107 USDT 159 disk, cloning 21 diskette drive installing 87 diskette problems 223 DiskOnKey bootable 35, 36 HP Drive Key 35 drive...
... inner chassis fan removal and replacement 96 installing optical drive 87 memory removal and replacement 69 padlock removal and replacement 62 power supply removal and replacement 98 preparation for disassembly 60 processor removal and replacement 93 ReadyBoost card removal and replacement 89 rear chassis...deployment tools, software 21 desktop conversion 105 diagnostic tool for hard drives 47 diagnostics utility 15 DIMMs. See memory disassembly preparation CMT 60 SFF 107 USDT 159 disk, cloning 21 diskette drive installing 87 diskette problems 223 DiskOnKey bootable 35, 36 HP Drive Key 35 drive...
Service Reference Guide - HP Compaq dc7800 Business PC
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... F FailSafe Key caution 46 CMT 61 ordering 46 SFF 108 fan USDT removal and replacement 181 fan shroud CMT removal and replacement 91 SFF removal and replacement 145 fan, power supply 57 Fault Notification and Recovery HP Client Manager 47 fingerprint identification technology 47 flashing LEDs ...212 front bezel CMT removal and replacement 65 SFF removal and replacement 114 USDT removal and ...
... F FailSafe Key caution 46 CMT 61 ordering 46 SFF 108 fan USDT removal and replacement 181 fan shroud CMT removal and replacement 91 SFF removal and replacement 145 fan, power supply 57 Fault Notification and Recovery HP Client Manager 47 fingerprint identification technology 47 flashing LEDs ...212 front bezel CMT removal and replacement 65 SFF removal and replacement 114 USDT removal and ...
Service Reference Guide - HP Compaq dc7800 Business PC
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... Smart Cover Lock 46 locks cable lock 160 HP Business PC Security Lock 161 M media card reader installing 87 Media Card Reader problems 228 memory CMT removal and replacement 69 populating sockets 117 SFF removal and replacement 116 specifications 116 USDT specifications ... error messages 205 power button configuring 37 dual-state 37 power cord set requirements country specific 204 power problems 222 power supply CMT removal and replacement 98 fan 57 SFF removal and replacement 152 power supply, surge-tolerant 47 power switch assembly SFF removal and replacement 147 power-on password changing...
... Smart Cover Lock 46 locks cable lock 160 HP Business PC Security Lock 161 M media card reader installing 87 Media Card Reader problems 228 memory CMT removal and replacement 69 populating sockets 117 SFF removal and replacement 116 specifications 116 USDT specifications ... error messages 205 power button configuring 37 dual-state 37 power cord set requirements country specific 204 power problems 222 power supply CMT removal and replacement 98 fan 57 SFF removal and replacement 152 power supply, surge-tolerant 47 power switch assembly SFF removal and replacement 147 power-on password changing...
Service Reference Guide - HP Compaq dc7800 Business PC
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... assignments 199 power cable pinouts 49 screws transferring to hard drive 176 screws, correct size 58 security cable lock 47, 160 CMT 62 DriveLock 44 features, table 39 fingerprint identification technology 47 HP Business PC Security Lock 111, 161 HP ProtectTools Security Manager 26 password 41 settings 38 SFF 110 SFF cable lock 110 SFF padlock 110...
... assignments 199 power cable pinouts 49 screws transferring to hard drive 176 screws, correct size 58 security cable lock 47, 160 CMT 62 DriveLock 44 features, table 39 fingerprint identification technology 47 HP Business PC Security Lock 111, 161 HP ProtectTools Security Manager 26 password 41 settings 38 SFF 110 SFF cable lock 110 SFF padlock 110...
Service Reference Guide - HP Compaq dc7800 Business PC
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... Drive Protection System 47 HP Client Catalog for SMS 28 HP Client Foundation Suite 27 HP Client Management Interface 24 HP Client Manager 25 HP Client Premium Suite 27 HP OpenView Agent 22 HP OpenView Client Configuration Manager 27 HP ProtectTools Security Manager 26 HP System Software Manager 25 ...screwdriver 57 speaker CMT removal and replacement 94 SFF removal and replacement 151 USDT removal and replacement 182 specifications CMT memory 69 SFF memory 116 USDT SODIMMs 166 static electricity 53 Subscriber's Choice 31 surge-tolerant power supply 47 system board CMT removal and replacement 99...
... Drive Protection System 47 HP Client Catalog for SMS 28 HP Client Foundation Suite 27 HP Client Management Interface 24 HP Client Manager 25 HP Client Premium Suite 27 HP OpenView Agent 22 HP OpenView Client Configuration Manager 27 HP ProtectTools Security Manager 26 HP System Software Manager 25 ...screwdriver 57 speaker CMT removal and replacement 94 SFF removal and replacement 151 USDT removal and replacement 182 specifications CMT memory 69 SFF memory 116 USDT SODIMMs 166 static electricity 53 Subscriber's Choice 31 surge-tolerant power supply 47 system board CMT removal and replacement 99...
Technical Reference Guide: HP Compaq dc7800 Series Business Desktop Computers
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Technical Reference Guide www.hp.com 2-3 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 Memory: # & type of PCI riser... graphics x1 0 1 [2] 1 [3] [4] 2 [3] 1 [5] 2 PCI 2.3 32-bit 5-V slots 0 1 half-height 3 or full-height 2 full-height [6] Power Supply Unit: Module type Power rating external 135-watt internal 240-watt internal 365-watt NOTES: [1] 2nd serial port requires optional cable/bracket assembly. [2] PCIe Mini Card slot. [3] Supports...
Technical Reference Guide www.hp.com 2-3 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 Memory: # & type of PCI riser... graphics x1 0 1 [2] 1 [3] [4] 2 [3] 1 [5] 2 PCI 2.3 32-bit 5-V slots 0 1 half-height 3 or full-height 2 full-height [6] Power Supply Unit: Module type Power rating external 135-watt internal 240-watt internal 365-watt NOTES: [1] 2nd serial port requires optional cable/bracket assembly. [2] PCIe Mini Card slot. [3] Supports...
Technical Reference Guide: HP Compaq dc7800 Series Business Desktop Computers
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... I/F Diskette I/F [2] PCI 2.3 slots [3] NIC I/F PCIe x1 slots [4] Notes: [1] USDT only [2] SFF and CMT only [3] 0 slots in USDT, 1 or 2 slots in SFF, 3 slots in CMT [4] 1 MiniCard slot in USDT, 2 slots in SFF, 2 slots in CMT [5] 8 ports accessible externally, 2 ports accessible internally Keyboard Diskette [2] Mouse Power Supply Figure 2-2. HP Comapq dc7800 Business PC Architecture, Block diagram Technical Reference Guide www...
... I/F Diskette I/F [2] PCI 2.3 slots [3] NIC I/F PCIe x1 slots [4] Notes: [1] USDT only [2] SFF and CMT only [3] 0 slots in USDT, 1 or 2 slots in SFF, 3 slots in CMT [4] 1 MiniCard slot in USDT, 2 slots in SFF, 2 slots in CMT [5] 8 ports accessible externally, 2 ports accessible internally Keyboard Diskette [2] Mouse Power Supply Figure 2-2. HP Comapq dc7800 Business PC Architecture, Block diagram Technical Reference Guide www...
Technical Reference Guide: HP Compaq dc7800 Series Business Desktop Computers
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...Power supply voltage monitoring SMBus and Low Pin Count (LPC) bus I /O Supports two 2-channel (stereo) audio streams NOTE: [1] Not used in USDT form factor. 2.3.4 System Memory These systems implement a dual-channel Double Data Rate (DDR2) memory architecture. and 667-MHz DIMMs. ✎ DDR and DDR2 DIMMs are NOT interchangeable. 2-8 www.hp...AD1884 HD Audio Codec Audio mixer Two digital-to-analog 2-channel converters Two analog-to four gigabytes of memory while the SFF and CMT form factors provide four DIMM sockets and support a total of eight gigabytes of these components also provide "...
...Power supply voltage monitoring SMBus and Low Pin Count (LPC) bus I /O Supports two 2-channel (stereo) audio streams NOTE: [1] Not used in USDT form factor. 2.3.4 System Memory These systems implement a dual-channel Double Data Rate (DDR2) memory architecture. and 667-MHz DIMMs. ✎ DDR and DDR2 DIMMs are NOT interchangeable. 2-8 www.hp...AD1884 HD Audio Codec Audio mixer Two digital-to-analog 2-channel converters Two analog-to four gigabytes of memory while the SFF and CMT form factors provide four DIMM sockets and support a total of eight gigabytes of these components also provide "...
Technical Reference Guide: HP Compaq dc7800 Series Business Desktop Computers
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... Non-operating Ambient Air Temperature 50o to 95o F (10o to 60o C, max. wet bulb temperature 5-95% Rh @ 38.7o C max. Table 2-7 Power Supply Electrical Specifications Parameter Value Input Line Voltage: Nominal: Maximum 100-240 VAC 90-264 VAC Input Line Frequency Range: Nominal Maximum 50-60 Hz 47...for SFF and CMT form factors. Maximum rate of change < 20°C/Hr) Shock (w/o damage) 5 Gs [1] 20 Gs [1] Vibration 0.000215 G2/Hz, 10-300 Hz 0.0005 G2/Hz, 10-500 Hz Humidity 10-90% Rh @ 28o C max. rate of change without notice. Technical Reference Guide www.hp.com...
... Non-operating Ambient Air Temperature 50o to 95o F (10o to 60o C, max. wet bulb temperature 5-95% Rh @ 38.7o C max. Table 2-7 Power Supply Electrical Specifications Parameter Value Input Line Voltage: Nominal: Maximum 100-240 VAC 90-264 VAC Input Line Frequency Range: Nominal Maximum 50-60 Hz 47...for SFF and CMT form factors. Maximum rate of change < 20°C/Hr) Shock (w/o damage) 5 Gs [1] 20 Gs [1] Vibration 0.000215 G2/Hz, 10-300 Hz 0.0005 G2/Hz, 10-500 Hz Humidity 10-90% Rh @ 28o C max. rate of change without notice. Technical Reference Guide www.hp.com...
Technical Reference Guide: HP Compaq dc7800 Series Business Desktop Computers
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... factor uses an external ("brick") supply that connects to an active AC outlet. USDT Power Generation, Block Diagram Technical Reference Guide www.hp.com 7-1 The USDT form factor uses an external ("brick") supply while the SFF and CMT form factors use a power supply unit contained within the system chassis. The external power supply always produces 19.0 VDC as long...
... factor uses an external ("brick") supply that connects to an active AC outlet. USDT Power Generation, Block Diagram Technical Reference Guide www.hp.com 7-1 The USDT form factor uses an external ("brick") supply while the SFF and CMT form factors use a power supply unit contained within the system chassis. The external power supply always produces 19.0 VDC as long...
Technical Reference Guide: HP Compaq dc7800 Series Business Desktop Computers
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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 2.2 A 19.0 VDC 3.0 A 7.1 A 9.0 A NOTES: Total continuous power should not exceed 135 watts. Power and Signal Distribution Table 7-1 lists the specifications of the external supply. Table 7-1.
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 2.2 A 19.0 VDC 3.0 A 7.1 A 9.0 A NOTES: Total continuous power should not exceed 135 watts. Power and Signal Distribution Table 7-1 lists the specifications of the external supply. Table 7-1.
Technical Reference Guide: HP Compaq dc7800 Series Business Desktop Computers
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Ripple ---50 mV 50 mV 50 mV 120 mV 120 mv 200 mV NOTES: Total continuous power should not exceed 240 watts. Total surge power ( Current --5.0 A 15.0 A 17.0 A 3.0 A 7.5 A 11.0 A 0.15 A Surge Current [2] ---15.0 A 17.0 A 3.5 A 9.0 A 14.5 A 0.15 A Max. SFF 240-Watt Power Supply Unit Specifications Input Line Voltage Line Frequency Input (AC) Current +3.3 VDC Output +5.08 VDC...
Ripple ---50 mV 50 mV 50 mV 120 mV 120 mv 200 mV NOTES: Total continuous power should not exceed 240 watts. Total surge power ( Current --5.0 A 15.0 A 17.0 A 3.0 A 7.5 A 11.0 A 0.15 A Surge Current [2] ---15.0 A 17.0 A 3.5 A 9.0 A 14.5 A 0.15 A Max. SFF 240-Watt Power Supply Unit Specifications Input Line Voltage Line Frequency Input (AC) Current +3.3 VDC Output +5.08 VDC...
Technical Reference Guide: HP Compaq dc7800 Series Business Desktop Computers
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An Energy Star 4.0 (80 Plus-compliant) power supply unit is Energy Star 3.0-compliant. Power and Signal Distribution Figure 7-5 shows the power supply cabling for the SFF and CMT form factors in select configurations. All + and - Technical Reference Guide www.hp.com 7-5 Figure 7-5. RTN = Return (signal ground) GND = Power ground RS = Remote sense POK = Power ok (power good) FC = Fan Command [1] This...
An Energy Star 4.0 (80 Plus-compliant) power supply unit is Energy Star 3.0-compliant. Power and Signal Distribution Figure 7-5 shows the power supply cabling for the SFF and CMT form factors in select configurations. All + and - Technical Reference Guide www.hp.com 7-5 Figure 7-5. RTN = Return (signal ground) GND = Power ground RS = Remote sense POK = Power ok (power good) FC = Fan Command [1] This...
Technical Reference Guide: HP Compaq dc7800 Series Business Desktop Computers
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...7.4 Signal Distribution Table 7-7 lists the reference designators for systems covered in , headphone/line-out 1/8" jacks DC input Power supply connector Vccp (PWRCPU) header Control panel (power button, power LED) header Internal speaker header CPU fan header Chassis fan, primary, header Diskette drive connector PATA (IDE), primary, ... port header Media reader header Notes SFF & CMT only CMT only CMT only SFF & CMT only SFF & CMT only SFF & CMT only SFF & CMT only USDT only SFF & CMT only SFF & CMT only n/a USDT only SFF & CMT only CMT only SFF only SFF & CMT only SFF & CMT only CMT only CMT ...
...7.4 Signal Distribution Table 7-7 lists the reference designators for systems covered in , headphone/line-out 1/8" jacks DC input Power supply connector Vccp (PWRCPU) header Control panel (power button, power LED) header Internal speaker header CPU fan header Chassis fan, primary, header Diskette drive connector PATA (IDE), primary, ... port header Media reader header Notes SFF & CMT only CMT only CMT only SFF & CMT only SFF & CMT only SFF & CMT only SFF & CMT only USDT only SFF & CMT only SFF & CMT only n/a USDT only SFF & CMT only CMT only SFF only SFF & CMT only SFF & CMT only CMT only CMT ...