Dell Optiplex 750 Chipset Driver

Microprocessor

Microprocessor type


Intel� Pentium� 4, Pentium� D, Celeron�, or Core� processor

Internal cache


At least 512-KB pipelined-burst, eight-way set associative, write-back SRAM

Memory

Type


533, 667, or 800 MHz DDR2 SDRAM

NOTE: 2-GB 800-MHz memory modules are not supported.

Memory connectors


4

Memory modules supported


256-MB, 512-MB, 1-GB, or 2-GB non-ECC

Minimum memory


dual-channel: 512 MB
single-channel: 256 MB

Maximum memory


At 533 or 667 MHz: 8 GB

At 800 MHz: 4 GB

BIOS address


F0000h

Computer Information

Chipset


Intel� Q965 Express

Data bus width


64 bits

Address bus width


32 bits

DMA channels


eight

Interrupt levels


24

BIOS chip (NVRAM)


8 Mb

NIC


integrated network interface with ASF 1.03 and 2.0 support as defined by DMTF

Capable of 10/100/1000 communication

Video

Type


Intel� Graphics Media Accelerator 3000 or PCI Express x16 graphics card

Audio

Type


ADI 1983 High Definition Audio

Stereo conversion


20-bit analog-to-digital; 20-bit digital-to-analog

Controllers

Drives


four SATA controllers supporting one device each

Expansion Bus

Bus type


PCI 2.3
PCI Express 1.0A
SATA 1.0A and 2.0
USB 2.0

Bus speed


PCI: 133 MB/s
PCI Express x16: 8 GB/s bidirectional speed
PCI Express x1: 5 Gbps
SATA: 1.5 Gbps and 3.0 Gbps
USB: 480 Mbps

Cards:


full-height cards supported

PCI:




connectors


two

connector size


120 pins

connector data width

(maximum)


32 bits

PCI Express:




connectors


one x1 and one x16

power


10 W (x1) and 75 W (x16) maximum

connector size


36 pins (x1) and 120 pins (x16)

connector data width (maximum)


one PCI Express lane (x1) and 16 PCI Express lanes (x16)

Drives

Externally accessible


one 3.5-inch drive
two 5.25-inch drive bays

Internally accessible


two bays for 1-inch-high hard drives

Connectors

External connectors:

Serial


9-pin connector; 16550C-compatible

Parallel


25-hole connector (bidirectional)

Video


15-hole VGA connector

Network adapter


RJ45 connector

Optional PS/2 with secondary serial port adapter


two 6-pin mini-DINs

USB


two front-panel and six back-panel USB 2.0�compliant connectors

Audio


two connectors for line-in/ microphone and line-out; two front-panel connectors for headphones and microphone

System board connectors:

SATA


four 7-pin connectors

internal USB


10-pin header for optional Media Card Reader (3.5-inch bay device)

Floppy drive


34-pin connector

Serial


12-pin connector for optional second serial port card

Fan


5-pin connector

PCI 2.2


two 120-pin connectors

Front panel


40-pin connector