
Video
Integrated
•
Intel HD Graphics (with Intel Celeron/
Pentium-class CPU-GPU combo)
•
Intel HD Graphics 2000 (with Intel Core
i3 DC 65 W and Intel Core i5/i7 QC
vPRO 95 W-class CPU-GPU combo)
Discrete
PCI Express x16 graphics adapter
Audio
Integrated
four Channel High Definition Audio
Network
Integrated
Intel 82579LM Ethernet capable of
10/100/1000 Mb/s communication
System Information
System Chipset
Intel 6 Series Express Chipset
DMA Channels
two 82C37 DMA controllers with seven
independently programmable channels
Interrupt Levels
Integrated I/O APIC capability with 24
interrupts
BIOS Chip (NVRAM)
80 MB (10 MB)
Expansion Bus
Bus Type
PCI 2.3, PCI Express 2.0, SATA 3.0 and 2.0,
USB 2.0
Bus Speed:
PCI Express:
•
x1-slot bidirectional speed – 500 MB/s
•
x16-slot bidirectional speed – 16 GB/s
SATA: 1.5 Gbps, 3.0 Gbps, and 6 Gbps
Cards
PCI
84
Summary of Contents for OptiPlex 990 Desktop
Page 6: ...23 Contacting Dell 93 Contacting Dell 93 ...
Page 10: ...10 ...
Page 28: ...28 ...
Page 41: ...16 Remove the system board from the chassis 41 ...
Page 64: ...64 ...
Page 82: ...82 ...
Page 94: ......