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

Dell Optiplex 750 Chipset

Mirror 1