IBM 2140 Personal Computer User Manual


 
The Type A-2 system board supports Pentium II processors and has the
following features:
512 KB internal cache memory. Cache is not upgradeable.
ATI- Rage Pro video and 3-D Accelerator with 2 MB SGRAM video
memory, upgradeable to 4 MB with a 2 MB SODIMM SGRAM upgrade
module.
Three, 168-pin Gold DIMM memory module sockets support these
memory modules:
8 MB, 16 MB, 32 MB, 64 MB, or 128 MB DIMM modules.
60 ns Gold SDRAM
Maximum system board memory is 384 MB.
Ports: parallel, serial, mouse, keyboard, USB(two), video, MIDI/Joystick,
audio out/in/mic. mouse, and video.
Connectors for:
PCI/ISA riser card (212-pin)
VESA Video Feature (2x20 un-shrouded)
Input power (12-pin)
AT diskette drives (34-pin)
Two 40-pin IDE drive controllers: a primary local bus IDE that
supports two hard disk drives and a secondary IDE that supports a
CD/DVD-ROM drive and one hard disk drive, or two hard disk
drives.
Power light-emitting diode (LED)/hard disk LED (4-pin)
Power-on switch 2-wire connector and a power supply auxiliary control
3-wire connector for Power Management features.
Lithium battery.
Processors
One of the following processors can be installed on the Type A-1
system board:
Pentium Pentium MMX-166 MHz
2
Pentium Pentium MMX-200 MHz
Pentium Pentium MMX-233 MHz
2
MHz measures only processor internal clock speed, not application performance.
Many factors affect application performance.
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