Dell OptiPlex 755 - Manual (Page 175)

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User's Guide
Small Form Factor Computer Specifications
Small Form Factor Computer Specifications
Microprocessor
Microprocessor type The following are supported:
l Intel® Core™2
l Intel vPro™
l Intel Celeron®
Internal cache L1: up to 128 KB;
L2: up to 8 MB (depending on your processor)
Memory
Type 667-MHz or 800-MHz DDR2 SDRAM
Memory connectors 4
Memory modules supported 512 MB, 1 GB, or 2 GB non -ECC
Minimum memory dual-channel: 1 GB;
single-channel: 512 MB
Maximum memory 64-bit operating system: 8 GB
32-bit operating system: 4 GB
BIOS address F0000h
Computer Information
Chipset Intel Q35 Express Chipset w/ICH9DO
Data bus width 64 bits
Address bus width 32 bits
DMA channels eight
Interrupt levels 24
BIOS chip (NVRAM) 32 Mb
NIC integrated network interface with ASF 1.03 and 2.0
support as defined by DMTF
Capable of 10/100/1000 communication
iAMT 3.0
Video
Type l Intel Graphics Media Accelerator 3100
(integrated on system board)
l PCI Express x16 slot can support either a PCI
Express graphics card or a DVI graphics card
(for dual-monitor support)
Audio
Type ADI 1984 High Definition Audio
Stereo conversion 24-bit analog-to-digital; 24-bit digital-to-analog
Controllers
Drives two SATA controllers and one eSATA controller