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M55p Small-factor

A small-factor version of this model.

Architecture Edit

System board / Form factor Edit

Small Form Factor (2x3) with Intel® Q965 chipset

Supports Intel® Pentium® 4 processors with HT Technology 800MHz FSB and 1MB L2 cache

Supports Intel ®Core™ 2 Duo processor with 1066MHz FSB and 2MB L2 cache

Custom ATX form factor

Note: Hyperthreading is supported only with Microsoft Windows XP Service Pack 1. Hyperthreading must be disabled when using Windows 2000.

Processor Edit

Intel® Pentium® 4 Processor 531 with HT Technology

Intel® Core™ 2 Duo Processor E6300

Intel® Core™ 2 Duo Processor E6400

Intel® Core™ 2 Duo Processor E6600

Cache Edit

1MB cache - Pentium ® 4 processors

2MB or 4MB L2 cache - Core 2 Duo processors

Chipsets Edit

Intel Q965

Integrated Intel Graphics Media Accelerator 3000

Q965 "G" Northbridge

ICH8 Southbridge

SMSC 5407 Super IO

IDE controller Edit

need info

Memory Edit

PC2-4200 memory supported

PC2-5300 memory supported

PC2-6400 memory supported

Two 240 pin DDR2 SDRAM UDIMM sockets

Supports a maximum memory up to 4GB

Total useable memory can be less than 4GB depending on the operating system and system configuration.

ECC or parity memory is not supported

For models without a separate video card, memory supports both system and video. Accessible system memory may be up to 64 MB less than the amount stated, depending on video mode.

Audio Edit

Integrated High Definition (HD) PCI AC'97 2.3 compliant codec

ADI1983 HD CODEC

Front - Microphone-in, headphones out

Rear - Line-in, line-out

Jack sensing, jack retasking - software will automatically detect which jack the microphone is using.

Software-based audio (done by processor and ICH8)

Keyboard and mouse Edit

Preferred Pro full-size keyboard

USB Optical Wheel mouse


Communications Edit

Networking Edit

Integrated Intel Gigabit

TPM v1.2


Expansion Edit

Bays Edit

One 3.5-in slim (half-inch height) diskette drive bay (populated on selected models)

One 3.5-in standard size HDD bay (populated)

One 5.25-in standard size height optical (populated)

External ports Edit

Eight USB ( two in front, six in back) [Ver 2.0]

One Ethernet RJ-45

Two serial 9-pin 16550 compatible (select models may have a second serial port)

One parallel 25-pin parallel (EPP, ECP), IEEE 1284

VGA monitor port

Audio line in, headphone out, and microphone in jacks

No PS/2 mouse or keyboard connector

Slots Edit

One PCI Express x 1 or one ADD 2-R slot (half length)

One PCI adapter slot (half length)


Power Edit

Power management Edit

ACPI 2.3

Power supply Edit

225 watt supply with variable fan speed (tower models)

110 volt or 220 volt operation controlled by a switch on the back of the unit


Security Edit

Security chip Edit

One lock to secure both cover and entire system to fixed object:

Padlock loop (in rear for optional padlock), tower only

Security slot (in rear for optional cable)

No keylock

Power-on password

Configuration password (administrator password)

Hard drive password (user and master)

Boot sequence control

Boot without keyboard, mouse, or diskette

USB/Ethernet/serial/parallel/SATA/EIDE/diskette enable or disable

Disk, removable device, and network device password

Diskette write protect

Front USB port disablement

Cover intrusion switch (select models)

Security chip features:

Offers platform and user authentication (requires download of security software)

Executes all private key-related Public Key Infrastructure (PKI) operations right on the chip (requires third party digital certificate, not included)

Designed to enable secure storage of private keys (requires third party digital certificate)

Supports industry standard cryptographic interface (MSCAPI and PKCS#11)Provides more secure access authentication by coordinating with Windows logons and strengthening Lotus Notes logons

Encrypts and decrypts files, folders, and messages with 1024-bit digital signature and up to 256-bit key exchange

Digital signatures allow non-repudiation and data integrity

Integrates with optional biometrics and proximity badges

Adheres to the Trusted Computing Group specification recognized by over 180 companies

Software Edit

Operating system Edit

DOS License

Microsoft Windows XP Home

Microsoft Windows XP Professional

Note: Preloaded software utilizes the disk-to-disk recovery method. Select models ship without the Operating system.


Storage Edit

Optical drive Edit

48x CD-ROM

16x DVD-ROM

48x32x48x16x CD-RW/DVD combo drive

Multi-burner Plus 16x

Hard drive features Edit

7200RPM Serial ATA supported


Video Edit

Intel Graphics Media Accelerator 3000 Edit

15-pin VGA output on planar

Uses Intel Dynamic Video Memory Technology (DVMT)

For models without a separate video card, memory supports both system and video. System memory used by video may be up to 32MB if the system has 128MB installed, up to 160MB if the system has 256MB installed, and up to 256MB if the system has 512MB or more system memory installed, depending on video mode.

ATI Radeon X300SE Edit

Native 16 lane PCI Express

Four extreme parallel 3D rendering pixel pipelines

Full DirectX 9 support

Smartshader™ 2.0 defines the level of realism in latest 2D/3D games and applications

Smoothvision™ 2.1 improves image quality by smoothing jagged edges, improving blurriness and refining background details during on-screen motion and at lower resolutions.

Hyper Z™ III ensures optimal hardware performance by discarding irrelevant object data that is not visible to the end-user on their display

Videoshader™ Seamless integration of pixel shaders with video in real time

Dual integrated display controllers

Dual integrated 10 bit per channel 400MHz DACs

Integrated TV Output support for up to 1024x768 resolution

Resolution, maximum color depth, and refresh rates

ATI Radeon X1600 Edit

Avivo video and display engine

256MB DDR2 SDRAM memory

128-bit bus width

Native 16 lane PCI Express

15-pin VGA output

S-Video output

DVI-I output

Four extreme parallel 3D rendering pixel pipelines

Full DirectX 9 support

Shader model 3.0

4:1 compression for normal maps and luminance maps

Supports dual monitors

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