Specifications

DELL™ OPTIPLEX™ 990 TECHNICAL GUIDEBOOK —VERSION 1.5
3
MINI TOWER COMPUTER (MT) VIEW
FRONT VIEW
1
Power Button, Power
Light
6 Optical Drive (optional)
2 Optical Drive Bay
(optional)
7 Optical Drive Eject Button
3
Headphone Connector
8 USB 2.0 Connectors (4)
4
Microphone Connector
9
Drive Activity Light
5
Diagnostic Lights (4)
BACK VIEW
10 Power Supply Diagnostic
Light
14 Expansion Card Slots(4)
12 Power Connectors 16 Padlock Ring
13 Back Panel Connectors
11 Power Supply Diagnostic
Button
15 Security Cable Slot
1 Mouse Connector 7 Keyboard Connector
2 Link Integrity Light 8 USB Connectors (6)
3 Network Connector 9 DisplayPort Connector
4 Network Activity Light 10 VGA Connector
BACK PANEL CONNECTORS
5 Serial Connector 11 Line-in/Microphone
Connector
6 Line-out Connector