Dell XPS ONE MTG Owner's Manual page 84

Memory
Type
Memory connectors
Memory capacities
Minimum memory
Maximum memory
BIOS address
Drives and Devices
Drives
Available devices
Ports and Connectors
External connectors:
IEEE 1394a
Network adapter
USB 2.0
Audio
84
Specifications
667-MHz and 800-MHz non-ECC DDR2
SDRAM
NOTE:
Your computer does not support
registered, ECC, or buffered memory.
two
1 GB, or 2 GB
1 GB
4 GB
F0000h
one 3.5-inch hard-drive,
one slim-line slot-load 5.25-inch disc drive
serial ATA hard drive, Media Card Reader,
USB memory devices, DVD and CD-RW
combo drive, DVD+/- RW, Blu-Ray™
side-panel: one 4-pin mini-connector
back-panel: one 6-pin connector
RJ45 connector
two side-panel, and four back-panel
connectors
two side-panel connectors for
microphone/line-in and headphones/line-
out;
two back-panel connectors for S/PDIF
digital audio out, and 2.0 audio out