Dell OptiPlex 980 — Desktop Service Manual page 5

Memory - Integrated
Audio
Integrated
Network
Integrated
System Information
Chipset
DMA channels
Interrupt levels
BIOS chips (NVRAM)
Expansion Bus
Bus type
Bus speed
PCI
PCI Express
SATA
eSATA
USB
Cards
PCI
Mini-tower
Desktop
Small form factor
PCI Express x16 (wired as x4)
Mini-tower
Desktop
Small form factor
PCI Express x16
Up to 1759 MB shared video memory
(total system memory greater than 512
MB)
Intel high definition audio
Integrated Intel 82578DM Gigabit
Ethernet capable of 10/100/1000 Mb/s
communication
Intel Q57 Express chipset
eight
24
64 Mb and 16 Mb
PCI 2.3
PCI Express 2.0
SATA 1.0A and 2.0
eSATA
USB 2.0
133 MB/s
x1-slot (wireless only) bidirectional speed
- 500 MB/s
x16-slot (wired as x4) bidirectional speed
- 2 GB/s
x16-slot bidirectional speed - 8 GB/s
1.5 GB/s and 3.0 GB/s
3.0 GB/s
480 MB/s
up to two full-height cards
without riser card — up to two low-profile
cards
with riser card — up to two full-height
cards
one low-profile card
one full-height card
one low-profile card
none