IBM ThinkCentre 8187

General Information - M50 - 8187 Desktop

System board/
Form factor

Supports Intel Northwood processors with 533MHz or 800MHz Front Side Bus (FSB), 512KB L2 cache, and built on a 0.13 micron core

Supports Intel Prescott Pentium 4 processors with 800MHz FSB, 1MB L2 cache, and built on a 0.13 micron core

Supports Intel Northwood Celeron processors with 400MHz FSB and 128KB L2 cache


478 pin mPGA socket


Intel Pentium 4 2.4GHz to 3.2GHz

Intel Celeron 2.0GHz to 2.6GHz


128KB to 1MB cache, processor dependent


Intel 865G chipset graphics memory controller hub (MCH)

ICH5 Input/Output Controller Hub

AC '97 Digital Controller


333MHz DDR (Double Data Rate) dual channel memory support
NOTE: BIOS will reflect 266Mhz with Celeron processor

PC2700 (333MHz) and PC2100 (266MHz) memory support

4 184 pin DIMM sockets

Supports maximum memory up to 4.0GB

ECC or parity memory not supported

Option part numbers for memory

Hard disk drive features

ATA-100 7200RPM IDE supported

Serial ATA-150 supported

Option part numbers for hard disk drives

IDE controller

2 Ultra ATA-100 connectors

2 separate channels, 4 drive support

Serial ATA controller

2 serial ATA connectors

2 drive support

Optical drives

48x CD-ROM


48x24x48x CD-RW

Option part numbers for CD-ROM drives


Integrated ADI1981B codec, Audio Codec '97 2.3 compliant

SoundMAX Cadenza software

Software-based audio (done by processor and ICH5)

Internal mono speaker

Power management

APM 1.2 and ACPI 1.0b compliant

Power supply

230 watt supply with variable speed fan

PS3 form factor

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


Integrated Intel Pro/100 Ethernet with Wake on Lan or

Integrated Intel Pro/1000 Ethernet (gigabit) with Wake on Lan

Option part numbers for networking

Keyboard and mouse

Full size PS/2 keyboard standard

Standard PS/2 2 button mouse

USB Optical wheel mouse

Option part numbers for keyboard and mouse

Operating systems

Microsoft Windows 2000

Microsoft Windows XP Professional

Microsoft Windows XP Home

Preloaded software recovery uses industry standard Protected Area Run Time Interface Extension Services (PARTIES) recovery method


U-Bolt anchoring feature

Security slot for attachment of optional Kensington style cable lock

Power-on password

Configuration password (administrator password)

Boot sequence control

Promise of Value (POV3) - Available on selected models

Offers both platform and user authentication

Executes all private key-related Public Key Infrastructure (PKI) operations right on the chip (requires third party digital certificate)

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 biometrics and proximity badges

Adheres to the Trusted Computing Platform Alliance (TCPA) specification

C2 tamper detect switch

Cover keylock

External ports

8 USB ports, 2 front, 6 rear [Ver 2.0 supported]

1 ethernet RJ-45 port

1 parallel port IEEE-1284 compatible

1 serial port 16550 compatible

PS2 keyboard and mouse ports

Audio line in, headphone out, and microphone in jacks


140mm high x 425mm wide x 414mm deep (5.5 inches x 16.7 inches x 16.3 inches)

Weight fully loaded - approximately 25lbs

Supports 100lb monitor

Horizontal only orientation


Slot 1: full length, AGP 32-bit AGP 8X (1.5v)

Slot 2: full length, PCI up to 13.415 inches long x 4.2 inches high 32-bit PCI 2.2 (5v)

Slot 3: full length, PCI up to 13.415 inches long x 4.2 inches high 32-bit PCI 2.2 (5v)

Slot 4: full length, PCI up to 13.415 inches long x 4.2 inches high 32-bit PCI 2.2 (5v)


Bay 1: 5.25 inches half-high CD-ROM accessible (43mm x 148mm x 215mm)

Bay 2: 5.25 inches half-high accessible (43mm x 148mm x 215mm)

Bay 3: 3.5 inches slim hard disk drive, hidden (25.8mm x 101.6mm x 150mm)

Bay 4: 3.5 inches slim accessible floppy disk drive (25.8mm x 101.6mm x 150mm)


For warranty information, refer to the Statement of Limited Warranty

For warranty service upgrades and maintenance service; refer to the warranty service upgrades and maintenance service web page