Dell OptiPlex 990 Support Question
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Question posted by khousst on December 2nd, 2013
How Many Ram Slot In Optiplex 990
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Related Dell OptiPlex 990 Manual Pages
User Manual - Page 1
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Dell OptiPlex 990
Setup And Features Information
About Warnings
WARNING: A WARNING indicates a potential for property damage, personal injury, or death. Front And Back View Of Mini Tower
1. power button, power light 2. power supply diagnostic light 11. power connector 13. security-cable slot 16. headphone connector 4. optical drive (optional) 7. USB 2.0 connectors (4)
9. drive activity ...
Technical Guide - Page 3
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...OPTIPLEX™ 990 TECHNICAL GUIDEBOOK -V 1.0 MINI TOWER COMPUTER (MT) VIEW
FRONT VIEW
BACK VIEW
1 Power Button, Power Light
6 Optical Drive (optional)
10 Power Supply Diagnostic 14 Expansion Card Slots...USB 2.0 Connectors (4) 9 Drive Activity Light
11 Power Supply Diagnostic 15 Security Cable Slot Button
12 Power Connectors
16 Padlock Ring
5 Diagnostic Lights (4)
13 Back Panel Connectors...
Technical Guide - Page 4
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DELL™ OPTIPLEX™ 990 TECHNICAL GUIDEBOOK -V 1.0
MT System Board Components
Number
Name
Number
Name
1
Internal Speaker Connector (INT_SPKR)
13
PCI Connector(SLOT3)
2
Front IO Connector (FRONTPANEL)
3
Thermal Sensor Connector(...
Technical Guide - Page 5
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DELL™ OPTIPLEX™ 990 TECHNICAL GUIDEBOOK -V 1.0 DESKTOP COMPUTER (DT) VIEW
FRONT VIEW 1 Optical Drive
BACK VIEW 5 Microphone Connector 9 Padlock Ring
13 Expansion Card Slots(4)
2 Optical Drive Eject Button 6 Headphone Connector 10 Security Cable Slot
3 Power Button, Power Light
4 USB Connectors (4)
7 Drive Activity Light 8 Diagnostic Lights (4)
11 Power Connectors 12 Back Panel ...
Technical Guide - Page 6
![](/manualimages/h/m/dell-optiplex-990-technical-guide-ca14254_6_d104.png)
![](/manualimages/h/m/dell-optiplex-990-technical-guide-ca14254_6_d104.png)
DELL™ OPTIPLEX™ 990 TECHNICAL GUIDEBOOK -V 1.0
DT System Board Components
Number
Name
1
Internal Speaker Connector
(INT_SPKR)
2
Front IO Connector (FRONTPANEL)
3
Thermal Sensor Connector(THRM_2)
4
SATA 0 Connector(SATA0)
5
SATA 1 Connector(...
Technical Guide - Page 7
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![](/manualimages/h/m/dell-optiplex-990-technical-guide-ca14254_7_ae5f.png)
DELL™ OPTIPLEX™ 990 TECHNICAL GUIDEBOOK -V 1.0 SMALL FORM FACTOR COMPUTER (SFF) VIEW
FRONT VIEW
1 Optical Drive
5 Microphone Connector
2 Optical Drive Eject Button 6 Headphone Connector
3 Power Button, Power Light
4 USB 2.0 Connectors (2)
7 Diagnostic Lights (4) 8 Drive Activity Light
BACK VIEW 9 Padlock Ring
10 Security Cable Slot 11 Power Connectors
13 Power Supply Diagnostic...
Technical Guide - Page 8
![](/manualimages/h/m/dell-optiplex-990-technical-guide-ca14254_8_dadf.png)
![](/manualimages/h/m/dell-optiplex-990-technical-guide-ca14254_8_dadf.png)
DELL™ OPTIPLEX™ 990 TECHNICAL GUIDEBOOK -V 1.0
SFF System Board Components
Number
Name
1
P1 power Connector (POWER)
2
System fan Connector (FAN_HDD)
3
Internal Speaker Connector (INT_SPKR)
4
Buzzer (BEEP)
5
PCI-e 4x Connector(...
Technical Guide - Page 9
![](/manualimages/h/m/dell-optiplex-990-technical-guide-ca14254_9_f410.png)
![](/manualimages/h/m/dell-optiplex-990-technical-guide-ca14254_9_f410.png)
DELL™ OPTIPLEX™ 990 TECHNICAL GUIDEBOOK -V 1.0 ULTRA SMALL FORM FACTOR COMPUTER (USFF) VIEW
FRONT VIEW 1 Optical Drive
2 Optical Drive Eject Button
3 Power ... Connector
12 Captive Thumbscrew
19 VGA Connector
13 Padlock Ring
20 Serial Connector
14 Security Cable Slot
21 USB Connectors (5)
15 Power Connector
22 Network Connector
16 Line-Out Connector
23 Link Integrity Light
9
Technical Guide - Page 10
![](/manualimages/h/m/dell-optiplex-990-technical-guide-ca14254_10_5000.png)
![](/manualimages/h/m/dell-optiplex-990-technical-guide-ca14254_10_5000.png)
DELL™ OPTIPLEX™ 990 TECHNICAL GUIDEBOOK -V 1.0
USFF System Board Components
Number
Name
Number
Name
1
Front Panel Connector (FRONTPANEL)
10
SATA 1 Connector(SATA_1)
2
Memory Connector(DIMM_2)
11
SATA 0 Connector(SATA_0)
3
...
Technical Guide - Page 11
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DELL™ OPTIPLEX™ 990 TECHNICAL GUIDEBOOK -V 1.0
MARKETING SYSTEM CONFIGURATIONS
NOTE: Offerings may vary by country.
no dedicated
LOM EEPROM
11 For more information regarding the configuration of your computer, ...
Technical Guide - Page 12
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![](/manualimages/h/m/dell-optiplex-990-technical-guide-ca14254_12_894c.png)
... transitions on a worldwide basis, thereby reducing their costs. This allows customers to change and may vary by locking in specific product configurations worldwide. DELL™ OPTIPLEX™ 990 TECHNICAL GUIDEBOOK -V 1.0 PROCESSOR
NOTE: Global Standard Products (GSP) are a subset of Dell's relationship products that are not a measure of configurations managed on a worldwide basis...
Technical Guide - Page 13
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DELL™ OPTIPLEX™ 990 TECHNICAL GUIDEBOOK -V 1.0 MEMORY
NOTE: Memory modules should be installed in pairs of available memory will continue to.... The entire 16GB memory range is available to 64-bit operating systems.
Type: DDR3 Synch DRAM Non-ECC Memory DIMM Slots DIMM Capacities Minimum Memory Maximum System Memory
MT
4 Up to 4GB
1GB 16GB1
DT
SFF
1333MHz
4
4
Up to 4GB...
Technical Guide - Page 14
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![](/manualimages/h/m/dell-optiplex-990-technical-guide-ca14254_14_cdcc.png)
DELL™ OPTIPLEX™ 990 TECHNICAL GUIDEBOOK -V 1.0
DRIVES AND REMOVABLE STORAGE
Bays: 5.25-inch Optical Bay Supported (External) Optical Drives Supported (maximum) Hard Drive Bay Supported (Internal)
MT
DT
2
1
2
1
2
1
Hard ...
Technical Guide - Page 15
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PCI Slot PCIe x16 Slot PCIe x16 (wired x4) Slot PCIe x1 Slot Half mini-PCIe connector Serial ATA (SATA) connectors
MT
DT
1
1
1
1
1
1
1
...players;
SYSTEM BOARD CONNECTORS NOTE: See Detailed Engineering Specifications for maximum card dimensions.
DELL™ OPTIPLEX™ 990 TECHNICAL GUIDEBOOK -V 1.0
DRIVES AND REMOVABLE STORAGE
MT
DT
RAID 0 Performance: (includes two ...
Technical Guide - Page 16
![](/manualimages/h/m/dell-optiplex-990-technical-guide-ca14254_16_73af.png)
![](/manualimages/h/m/dell-optiplex-990-technical-guide-ca14254_16_73af.png)
... card
Optional card
USFF
EXTERNAL PORTS/CONNECTORS
NOTE: MT supports full height (FH) cards and DT and SFF supports low profile (LP) cards. DELL™ OPTIPLEX™ 990 TECHNICAL GUIDEBOOK -V 1.0
GRAPHICS/VIDEO CONTROLLER
NOTE: MT supports full height (FH) cards and DT and SFF supports low profile (LP) cards.
Technical Guide - Page 17
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![](/manualimages/h/m/dell-optiplex-990-technical-guide-ca14254_17_9280.png)
...Realtek ALC269Q High Definition Audio Codec Internal Dell Business Audio Speaker Dell AX210 2.0 Desktop Speakers Dell AX510/AX510PA Flat Panel Soundbar Speakers
KEYBOARD AND MOUSE
Dell USB ... does not connote an actual operating speed of 1 Gb/sec.
COMMUNICATIONS - DELL™ OPTIPLEX™ 990 TECHNICAL GUIDEBOOK -V 1.0
COMMUNICATIONS - MT
Intel® 82579LM Gigabit1 Ethernet LAN 10/100/1000...
Technical Guide - Page 18
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![](/manualimages/h/m/dell-optiplex-990-technical-guide-ca14254_18_dd97.png)
....
2 Service may be dispatched if necessary following phone-based troubleshooting. U.S. Technician will be available.
DELL™ OPTIPLEX™ 990 TECHNICAL GUIDEBOOK -V 1.0
SECURITY
Trusted Platform Module (TPM) 1.21 Chassis Intrusion Switch Dell Smartcard Keyboard Chassis lock slot and loop support
MT
DT
SFF
USFF
Integrated on Dell Service Plans please to go to: www...
Technical Guide - Page 19
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...89 6.6 /16.765
1 2.731 /6.89 6.6 /16.765
1 2.731 / 6.89
Length (inches/centimeters) Mini PCIe x1 Slots
7.4 / 24.13*
6.6 /16.765
SFF
1 2.731 /6.89 6.6/16.765
1 2.731 /6.89 6.6/16.765
USFF ... Half-Length Card but cannot be a Full-Length Card.
19
DELL™ OPTIPLEX™ 990 TECHNICAL GUIDEBOOK -V 1.0
DETAILED ENGINEERING SPECIFICATIONS
SYSTEM DIMENSIONS (PHYSICAL)
NOTE: System Weight...
Technical Guide - Page 43
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DELL™ OPTIPLEX™ 990 TECHNICAL GUIDEBOOK -V 1.0 BIOS DEFAULTS
System Configuration
Video Performance Virtualization Support Security
Power Management ...Enable COM1 RAID On Enable USB Controller Disable Enable Enable (Front USB, Rear Dual USB, Rear Quad USB, PCI Slot) Enable (SATA-0, SATA-1, SATA-2, SATA3)
Auto
All
Enable Disable Enable Enable
Enable Disable
Not set Not set Enable ...