Need help?Do you have a question about the Dell OptiPlex 990 and is the answer not in the manual?
General| Tcase | 72.6 °C |
|---|---|
| Bus type | DMI |
| Stepping | D2 |
| Processor cache | 8 MB |
| Processor cores | 4 |
| Processor model | i7-2600 |
| System bus rate | 5 GT/s |
| Processor family | Intel® Core™ i7 |
| Processor series | Intel Core i7-2600 Desktop Series |
| Processor socket | LGA 1155 (Socket H2) |
| Processor threads | 8 |
| Processor codename | Sandy Bridge |
| Processor frequency | 3.4 GHz |
| Processor cache type | Smart Cache |
| Processor lithography | 32 nm |
| Processor manufacturer | Intel |
| Processor front side bus | - MHz |
| PCI Express slots version | 2.0 |
| Processor boost frequency | 3.8 GHz |
| Processor operating modes | 64-bit |
| ECC supported by processor | No |
| Thermal Design Power (TDP) | 95 W |
| Number of processors installed | 1 |
| CPU multiplier (bus/core ratio) | 34 |
| Maximum number of PCI Express lanes | 16 |
| Memory types supported by processor | DDR3-SDRAM |
| Memory clock speeds supported by processor | 1066, 1333 MHz |
| Memory bandwidth supported by processor (max) | 21 GB/s |
| Maximum internal memory supported by processor | 32 GB |
| Product type | PC |
| Motherboard chipset | Intel® Q67 Express |
| Password protection type | BIOS |
| Memory slots | 4x DIMM |
| Internal memory | 4 GB |
| Memory channels | Dual-channel |
| Memory clock speed | 1333 MHz |
| Maximum internal memory | 16 GB |
| Memory layout (slots x size) | 2 x 2 GB |
| HDD speed | 7200 RPM |
| HDD interface | SATA, SATA II |
| Optical drive type | DVD-RW |
| Total storage capacity | 500 GB |
| Security features | TPM |
| Networking features | Gigabit Ethernet |
| On-board graphics card | Yes |
| On-board graphics card ID | 0x102 |
| Discrete graphics card model | Not available |
| On-board graphics card model | Intel® HD Graphics 2000 |
| On-board graphics card family | Intel® HD Graphics |
| On-board graphics card base frequency | 850 MHz |
| On-board graphics card dynamic frequency (max) | 1350 MHz |
| Number of displays supported (on-board graphics) | 2 |
| Operating system installed | Windows 7 Professional |
| USB 2.0 ports quantity | 11 |
| Firewire (IEEE 1394) ports | 0 |
| Wi-Fi | - |
| Cabling technology | 10/100/1000Base-T(X) |
| Ethernet LAN data rates | 10, 100, 1000 Mbit/s |
| Chassis type | SFF |
| Product color | Black |
| Certification | CECP, TCO 05, WEEE |
| Sustainability certificates | RoHS, EPEAT Gold, ENERGY STAR |
| Power supply | 240 W |
| Processor code | SR00B |
| Processor ARK ID | 52213 |
| Processor package size | 37.5 x 37.5 mm |
| Supported instruction sets | AVX |
| Intel Identity Protection Technology version | 1.00 |
Weight and Dimensions| Depth | 312 mm |
|---|---|
| Width | 93 mm |
| Height | 290 mm |
| Weight | 5700 g |
Guidance on important information, potential damage, and personal injury.
Safety guidelines and preparation steps before accessing internal components.
List of tools required for service procedures.
Procedure for safely shutting down the computer before servicing.
Step-by-step instructions to remove the computer cover.
Step-by-step instructions to reinstall the computer cover.
Procedure for detaching the front bezel from the chassis.
Procedure for reattaching the front bezel to the chassis.
Steps to remove the optical drive from its bay.
Steps to install the optical drive into its bay.
Procedure for removing the hard drive from its mounting.
Procedure for installing the hard drive into its mounting.
Steps to remove memory modules from the system board.
Steps to install memory modules onto the system board.
Procedure to remove the chassis intrusion switch.
Procedure to install the chassis intrusion switch.
Steps to remove the internal speaker from the chassis.
Steps to install the internal speaker into the chassis.
Procedure to remove the heat sink and fan assembly.
Procedure to install the heat sink and fan assembly.
Steps to remove the processor from its socket.
Steps to install the processor into its socket.
Procedure to remove the coin-cell battery.
Procedure to install the coin-cell battery.
Steps to remove the system fan from the chassis.
Steps to install the system fan into the chassis.
Procedure to remove the input/output board.
Procedure to install the input/output board.
Steps to remove the power supply unit from the chassis.
Steps to install the power supply unit into the chassis.
Procedure to remove the system board from the chassis.
Procedure to install the system board into the chassis.
Steps to remove the drive cage assembly.
Steps to install the drive cage assembly.
Procedure to remove the wireless network card.
Procedure to install the wireless network card.
Steps to remove the front panel control board.
Steps to install the front panel control board.
Procedure to remove the internal antenna.
Procedure to install the internal antenna.
Guidance on entering and navigating the BIOS setup utility.
Details on the one-time boot menu and its enhancements.
Information on correct keystroke timing for system setup access.
How to navigate through the system setup interface.
Overview of various system configuration settings available in BIOS.
Explanation of diagnostic LED patterns and their meanings for troubleshooting.
Interpreting beep codes to diagnose system problems.
Understanding and resolving common error messages.
Details on processor types, cache, and memory configurations.
Specifications for video, audio, network, chipset, and expansion buses.
Information on drive bays, system board connectors, controls, and lights.
Specifications for power, environmental conditions, physical dimensions, and vibration/shock.
Instructions for contacting Dell for sales, support, and service.
To Next Page
