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Technical Specifications
Dell™OptiPlex™SX260SystemsUser'sGuide
Microprocessor
Memory
Computer Information
Audio
Video
Expansion Bus
Drives
Ports
Key Combinations
Controls and Lights
Power
Physical
Environmental
Microprocessor
Microprocessor type
Intel®Pentium
®
4 and Celeron
®
microprocessors.
Design provides for future processor upgrades.
Supported processor upgrades are available from
Dell.
Level 1 (L1) cache
8 KB
Level 2 (L2) cache
1.5–2.0* GHz processors: 256-KB pipelined-burst,
eight-way set-associative, write-back SRAM
2.2–2.6 GHz processors: 512-KB SRAM
*Certain 2.0-GHz systems may be upgraded to 512-
KB cache.
Memory
Architecture
200- and 266-MHz DDR SDRAM
Dual in-line memory module (DIMM) sockets
two (non-ECC only)
DIMM capacities
128, 256, 512 MB, and 1 GB
Minimum RAM
128 MB
Maximum RAM
2 GB
BIOS address
F0000h
Computer Information
Computer chip set
Intel 845G
Data bus width
64 bits
Address bus width
32 bits
Direct memory access (DMA) channels
7
Interrupts
23
Computer BIOS
4-Mb flash chip
System bus speed
400- or 533-MHz quad-data rate; 100- or 133-MHz
clock (matches external bus speed)
Network interface controller
integrated PCI Network Interface with ASF (Alert
Standards Format) support as defined by DMTF.
Audio
Audio type
AC97, Sound Blaster emulation; optional internal
speaker
Audio controller
Integrated AC97 Codec
Stereo conversion
16-bit analog-to-digital; 20-bit digital-to-analog
Interfaces:
Internal
PCI bus/AC97
External
stereo line-in minijack and line-out minijack on the
rear I/O panel; headphone and microphone
connectors on the front panel
Video
GMCH embedded graphics
Expansion Bus
Bus type
USB 2.0
Memory module connector size
DDR — 184 pins
Drives
Externally accessible bay
one module bay for Dell portable devices
Internally accessible bay
one bay for a 2.5-inch IDE hard drive
Ports