Service Reference Guide: HP Compaq dc7900 Business PC
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...Capacities ...53 6 Identifying the Chassis, Routine Care, and Disassembly Preparation Chassis Designations ...54 Convertible Minitower (CMT 54 Small Form Factor (SFF 55 Ultra-Slim Desktop (USDT 55 Electrostatic Discharge Information ...56 Generating Static ...56 Preventing Electrostatic Damage to Equipment 56 Personal Grounding Methods and ...Cover Lock 64 External Security Devices ...66 Installing a Security Lock 66 Cable Lock ...66 Padlock ...67 HP Business PC Security Lock 68 Computer Access Panel ...70 Front Bezel ...71 Bezel Blanks ...72 Cable Management ...73 Cable Connections ...74...
...Capacities ...53 6 Identifying the Chassis, Routine Care, and Disassembly Preparation Chassis Designations ...54 Convertible Minitower (CMT 54 Small Form Factor (SFF 55 Ultra-Slim Desktop (USDT 55 Electrostatic Discharge Information ...56 Generating Static ...56 Preventing Electrostatic Damage to Equipment 56 Personal Grounding Methods and ...Cover Lock 64 External Security Devices ...66 Installing a Security Lock 66 Cable Lock ...66 Padlock ...67 HP Business PC Security Lock 68 Computer Access Panel ...70 Front Bezel ...71 Bezel Blanks ...72 Cable Management ...73 Cable Connections ...74...
Service Reference Guide: HP Compaq dc7900 Business PC
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...111 Type 3 Battery Holder ...112 Changing from a Minitower to a Desktop Configuration 113 Changing from a Desktop to a Minitower Configuration 115 8 Removal and Replacement Procedures Small Form Factor (SFF) Chassis Preparation for Disassembly ...118 Unlocking the Smart Cover Lock ......119 Smart Cover FailSafe Key 119 Using the Smart Cover FailSafe Key to Remove the Smart Cover Lock 119 External Security Devices ...121 Installing a Security Lock 121 Cable Lock ...121 Padlock ...122 HP Business...
...111 Type 3 Battery Holder ...112 Changing from a Minitower to a Desktop Configuration 113 Changing from a Desktop to a Minitower Configuration 115 8 Removal and Replacement Procedures Small Form Factor (SFF) Chassis Preparation for Disassembly ...118 Unlocking the Smart Cover Lock ......119 Smart Cover FailSafe Key 119 Using the Smart Cover FailSafe Key to Remove the Smart Cover Lock 119 External Security Devices ...121 Installing a Security Lock 121 Cable Lock ...121 Padlock ...122 HP Business...
Service Reference Guide: HP Compaq dc7900 Business PC
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... Type 2 Battery Holder ...174 Type 3 Battery Holder ...175 Using the Small Form Factor Computer in a Tower Orientation 176 9 Removal and Replacement Procedures Ultra-Slim Desktop (USDT) Chassis Preparation for Disassembly ...178 External Security Devices ...179 Installing a Security Lock 179 Cable Lock ...179 Padlock ...180 HP Business PC Security Lock 180 Computer Access Panel ...183 Front Bezel...
... Type 2 Battery Holder ...174 Type 3 Battery Holder ...175 Using the Small Form Factor Computer in a Tower Orientation 176 9 Removal and Replacement Procedures Ultra-Slim Desktop (USDT) Chassis Preparation for Disassembly ...178 External Security Devices ...179 Installing a Security Lock 179 Cable Lock ...179 Padlock ...180 HP Business PC Security Lock 180 Computer Access Panel ...183 Front Bezel...
Service Reference Guide: HP Compaq dc7900 Business PC
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...computer. 5. NOTE: During disassembly, label each cable as the system is in an application may damage the unit. 118 Chapter 8 Removal and Replacement Procedures Small Form Factor (SFF) Chassis After completing all components operate properly. Keep all peripheral device cables from the computer. using the wrong screw in the "Standby," or ... even when the computer is plugged into an active AC outlet. Disconnect all screws with the units removed. 8 Removal and Replacement Procedures Small Form Factor (SFF) Chassis Adherence to it , noting its position and routing.
...computer. 5. NOTE: During disassembly, label each cable as the system is in an application may damage the unit. 118 Chapter 8 Removal and Replacement Procedures Small Form Factor (SFF) Chassis After completing all components operate properly. Keep all peripheral device cables from the computer. using the wrong screw in the "Standby," or ... even when the computer is plugged into an active AC outlet. Disconnect all screws with the units removed. 8 Removal and Replacement Procedures Small Form Factor (SFF) Chassis Adherence to it , noting its position and routing.
Service Reference Guide: HP Compaq dc7900 Business PC
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To reattach the Smart Cover Lock, secure the lock in place with the tamper-proof screw. 120 Chapter 8 Removal and Replacement Procedures Small Form Factor (SFF) Chassis Use the Smart Cover FailSafe Key to remove the tamper-proof screw that secures the Smart Cover Lock to the chassis. See Computer Access Panel on page 125. Figure 8-1 Removing the Smart Cover Lock Screw You can now remove the access panel. 2.
To reattach the Smart Cover Lock, secure the lock in place with the tamper-proof screw. 120 Chapter 8 Removal and Replacement Procedures Small Form Factor (SFF) Chassis Use the Smart Cover FailSafe Key to remove the tamper-proof screw that secures the Smart Cover Lock to the chassis. See Computer Access Panel on page 125. Figure 8-1 Removing the Smart Cover Lock Screw You can now remove the access panel. 2.
Service Reference Guide: HP Compaq dc7900 Business PC
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Padlock Figure 8-3 Installing a Padlock 122 Chapter 8 Removal and Replacement Procedures Small Form Factor (SFF) Chassis
Padlock Figure 8-3 Installing a Padlock 122 Chapter 8 Removal and Replacement Procedures Small Form Factor (SFF) Chassis
Service Reference Guide: HP Compaq dc7900 Business PC
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Figure 8-6 Attaching the Lock to disengage the lock. Use the key provided to the Chassis 4. Insert the plug end of the security cable into the lock (1) and push the button in (2) to the chassis using the screw provided. Figure 8-7 Engaging the Lock 124 Chapter 8 Removal and Replacement Procedures Small Form Factor (SFF) Chassis 3. Screw the lock to engage the lock.
Figure 8-6 Attaching the Lock to disengage the lock. Use the key provided to the Chassis 4. Insert the plug end of the security cable into the lock (1) and push the button in (2) to the chassis using the screw provided. Figure 8-7 Engaging the Lock 124 Chapter 8 Removal and Replacement Procedures Small Form Factor (SFF) Chassis 3. Screw the lock to engage the lock.
Service Reference Guide: HP Compaq dc7900 Business PC
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Lift up the latch behind the upper right side of the bezel and push down on page 118). 2. Figure 8-10 Removing the Front Bezel To install the front bezel, reverse the removal procedure. 126 Chapter 8 Removal and Replacement Procedures Small Form Factor (SFF) Chassis Front Bezel 1. Prepare the computer for disassembly (Preparation for Disassembly on the latch behind the lower right side of the bezel (2), then pull the right side of the bezel off the chassis (1), followed by the left side. Remove the access panel (Computer Access Panel on page 125). 3.
Lift up the latch behind the upper right side of the bezel and push down on page 118). 2. Figure 8-10 Removing the Front Bezel To install the front bezel, reverse the removal procedure. 126 Chapter 8 Removal and Replacement Procedures Small Form Factor (SFF) Chassis Front Bezel 1. Prepare the computer for disassembly (Preparation for Disassembly on the latch behind the lower right side of the bezel (2), then pull the right side of the bezel off the chassis (1), followed by the left side. Remove the access panel (Computer Access Panel on page 125). 3.
Service Reference Guide: HP Compaq dc7900 Business PC
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...-GB of memory configured in a highperforming dual channel mode. To achieve the maximum memory support, you install unsupported DIMMs. 128 Chapter 8 Removal and Replacement Procedures Small Form Factor (SFF) Chassis DDR2-SDRAM DIMMs For proper system operation, the DDR2-SDRAM DIMMs must be populated with up to four industry-standard DIMMs. These memory...
...-GB of memory configured in a highperforming dual channel mode. To achieve the maximum memory support, you install unsupported DIMMs. 128 Chapter 8 Removal and Replacement Procedures Small Form Factor (SFF) Chassis DDR2-SDRAM DIMMs For proper system operation, the DDR2-SDRAM DIMMs must be populated with up to four industry-standard DIMMs. These memory...
Service Reference Guide: HP Compaq dc7900 Business PC
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... to single channel. To reduce risk of the contacts. When handling a memory module, be assigned to drain before touching. 130 Chapter 8 Removal and Replacement Procedures Small Form Factor (SFF) Chassis WARNING! For optimal speed, the channels should be careful not to the memory modules as long as single channel. ● In any of...
... to single channel. To reduce risk of the contacts. When handling a memory module, be assigned to drain before touching. 130 Chapter 8 Removal and Replacement Procedures Small Form Factor (SFF) Chassis WARNING! For optimal speed, the channels should be careful not to the memory modules as long as single channel. ● In any of...
Service Reference Guide: HP Compaq dc7900 Business PC
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Prepare the computer for disassembly (Preparation for Disassembly on the back of the computer chassis. 132 Chapter 8 Removal and Replacement Procedures Small Form Factor (SFF) Chassis NOTE: The PCI and PCI Express slots support only low profile cards. Figure 8-15 Expansion Slot Locations Table 8-2 Expansion ...slot, one PCI Express x1 expansion slot, one PCI Express x16 expansion slot, and one PCI Express x16 expansion slot that is available from HP. An optional PCI riser card with two full height standard PCI slots is downshifted to a x4 slot 3 PCI Express x16 expansion slot ...
Prepare the computer for disassembly (Preparation for Disassembly on the back of the computer chassis. 132 Chapter 8 Removal and Replacement Procedures Small Form Factor (SFF) Chassis NOTE: The PCI and PCI Express slots support only low profile cards. Figure 8-15 Expansion Slot Locations Table 8-2 Expansion ...slot, one PCI Express x1 expansion slot, one PCI Express x16 expansion slot, and one PCI Express x16 expansion slot that is available from HP. An optional PCI riser card with two full height standard PCI slots is downshifted to a x4 slot 3 PCI Express x16 expansion slot ...
Service Reference Guide: HP Compaq dc7900 Business PC
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... and forth until the connectors pull free from the chassis frame. Figure 8-19 Removing a PCI Express x16 Expansion Card 134 Chapter 8 Removal and Replacement Procedures Small Form Factor (SFF) Chassis If you are removing a standard PCI card, hold the card at each end, and carefully rock it from the socket. If you are...
... and forth until the connectors pull free from the chassis frame. Figure 8-19 Removing a PCI Express x16 Expansion Card 134 Chapter 8 Removal and Replacement Procedures Small Form Factor (SFF) Chassis If you are removing a standard PCI card, hold the card at each end, and carefully rock it from the socket. If you are...
Service Reference Guide: HP Compaq dc7900 Business PC
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Rotate the slot cover retention latch back in place to the Computer Setup (F10) Utility Guide for instructions on using Computer Setup. 136 Chapter 8 Removal and Replacement Procedures Small Form Factor (SFF) Chassis Connect external cables to the system board, if needed . Figure 8-21 Closing the Expansion Slot Retainer 10. Connect internal cables to the installed card, if needed . 11. Reconfigure the computer, if necessary. 9. Refer to secure the expansion card.
Rotate the slot cover retention latch back in place to the Computer Setup (F10) Utility Guide for instructions on using Computer Setup. 136 Chapter 8 Removal and Replacement Procedures Small Form Factor (SFF) Chassis Connect external cables to the system board, if needed . Figure 8-21 Closing the Expansion Slot Retainer 10. Connect internal cables to the installed card, if needed . 11. Reconfigure the computer, if necessary. 9. Refer to secure the expansion card.
Service Reference Guide: HP Compaq dc7900 Business PC
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... A sharp bend can break the internal wires. ● Never bend a SATA data cable tighter than a 30 mm (1.18 in a failed power supply. Cable Management The Small Form Factor chassis is a very compact computer and proper routing of the internal cables is lowered into the chassis. Never change the folds on the system board...
... A sharp bend can break the internal wires. ● Never bend a SATA data cable tighter than a 30 mm (1.18 in a failed power supply. Cable Management The Small Form Factor chassis is a very compact computer and proper routing of the internal cables is lowered into the chassis. Never change the folds on the system board...
Service Reference Guide: HP Compaq dc7900 Business PC
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... or extra ODD/ HDD connector Hood lock solenoid Hood sensor Media card reader Flying parallel port header ReadyBoost module 138 Chapter 8 Removal and Replacement Procedures Small Form Factor (SFF) Chassis
... or extra ODD/ HDD connector Hood lock solenoid Hood sensor Media card reader Flying parallel port header ReadyBoost module 138 Chapter 8 Removal and Replacement Procedures Small Form Factor (SFF) Chassis
Service Reference Guide: HP Compaq dc7900 Business PC
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...USB cable to ensure the drive will line up correctly in the drive cage and lock in place. The HP-supplied metric screws are black and the HP-supplied standard screws are required for the external drive bays (four 6-32 standard screws and four M3 metric ...on the system board labeled MEDIA. Figure 8-24 Secondary Hard Drive 6-32 Guide Screws Location 140 Chapter 8 Removal and Replacement Procedures Small Form Factor (SFF) Chassis HP has provided extra guide screws for a secondary hard drive. Installing and Removing Drives When installing additional drives, follow these guidelines: ●...
...USB cable to ensure the drive will line up correctly in the drive cage and lock in place. The HP-supplied metric screws are black and the HP-supplied standard screws are required for the external drive bays (four 6-32 standard screws and four M3 metric ...on the system board labeled MEDIA. Figure 8-24 Secondary Hard Drive 6-32 Guide Screws Location 140 Chapter 8 Removal and Replacement Procedures Small Form Factor (SFF) Chassis HP has provided extra guide screws for a secondary hard drive. Installing and Removing Drives When installing additional drives, follow these guidelines: ●...
Service Reference Guide: HP Compaq dc7900 Business PC
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Figure 8-26 System Board Drive Connections Table 8-4 System Board Drive Connections No. System Board Connector System Board Label 1 SATA0 SATA0 2 SATA1 SATA1 3 SATA2 SATA2 4 eSATA ESATA 5 Diskette Drive FLOPPY 6 Media Card Reader MEDIA Color dark blue white light blue black black black 142 Chapter 8 Removal and Replacement Procedures Small Form Factor (SFF) Chassis System Board Drive Connections Refer to the following illustration and table to identify the system board drive connectors.
Figure 8-26 System Board Drive Connections Table 8-4 System Board Drive Connections No. System Board Connector System Board Label 1 SATA0 SATA0 2 SATA1 SATA1 3 SATA2 SATA2 4 eSATA ESATA 5 Diskette Drive FLOPPY 6 Media Card Reader MEDIA Color dark blue white light blue black black black 142 Chapter 8 Removal and Replacement Procedures Small Form Factor (SFF) Chassis System Board Drive Connections Refer to the following illustration and table to identify the system board drive connectors.
Service Reference Guide: HP Compaq dc7900 Business PC
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... Bezel Blanks on page 127 for Disassembly on page 118). 2. Prepare the computer for disassembly (Preparation for more information. 144 Chapter 8 Removal and Replacement Procedures Small Form Factor (SFF) Chassis CAUTION: Be careful not to its normal position. Remove the access panel (Computer Access Panel on the left side of the drive cage...
... Bezel Blanks on page 127 for Disassembly on page 118). 2. Prepare the computer for disassembly (Preparation for more information. 144 Chapter 8 Removal and Replacement Procedures Small Form Factor (SFF) Chassis CAUTION: Be careful not to its normal position. Remove the access panel (Computer Access Panel on the left side of the drive cage...
Service Reference Guide: HP Compaq dc7900 Business PC
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... guides that the data cable is routed through the cable guides. Figure 8-34 Connecting the Power and Data Cables 146 Chapter 8 Removal and Replacement Procedures Small Form Factor (SFF) Chassis Rotate the drive cage to the white system board connector labeled SATA1. 8. One is located on the bottom side of the optical drive...
... guides that the data cable is routed through the cable guides. Figure 8-34 Connecting the Power and Data Cables 146 Chapter 8 Removal and Replacement Procedures Small Form Factor (SFF) Chassis Rotate the drive cage to the white system board connector labeled SATA1. 8. One is located on the bottom side of the optical drive...
Service Reference Guide: HP Compaq dc7900 Business PC
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If you are removing a diskette drive, disconnect the data cable (1) and power cable (2) from the back of the drive. Disconnect the drive cables, as indicated in the following illustrations: a. Figure 8-36 Disconnecting the Diskette Drive Cables 148 Chapter 8 Removal and Replacement Procedures Small Form Factor (SFF) Chassis 2.
If you are removing a diskette drive, disconnect the data cable (1) and power cable (2) from the back of the drive. Disconnect the drive cables, as indicated in the following illustrations: a. Figure 8-36 Disconnecting the Diskette Drive Cables 148 Chapter 8 Removal and Replacement Procedures Small Form Factor (SFF) Chassis 2.