IBM ThinkPad 390 Hardware Maintenance Manual

Feature Description
Memory 2 DIMM slots, no memory on the
planar board
32 MB, 64 MB or 128 MB DIMM
card (max. 256 MB)
CMOS RAM 114 bytes + 4 Kbytes
Video  12.1–inch, 64K colors,
800x600 pixel TFT color LCD
 13.3–inch, 64K colors,
1024x768 pixel TFT color
LCD
 14.1–inch, 64K colors,
1024x768 pixel TFT color
LCD
Audio  16–bit audio
 Internal stereo speakers
 Internal microphone
 Wavetable MIDI
Diskette drive 1.44MB (3–mode), 3.5–inch
Hard disk drive  3.2 GB, 2.5–inch, IDE inter-
face
 4.0 GB, 2.5–inch, IDE inter-
face
CD-ROM drive 5.25–inch, 20X speed, E-IDE inter-
face
I/O ports  External monitor
 Headphone/line-out
 Line-in
 Microphone-in
 Mouse/keyboard
 Parallel
 Serial
 USB
 RJ11
Infrared transfer IrDA 1.1
Internal modem 56Kbps (depends on the model)
PC Card (PCMCIA) One Type III or two Type II
CardBus, ZV port support
AC Adapter 56–Watt type
Fn Key Combinations
The following table shows the Fn key and function key
combinations and their corresponding functions.
The Fn key works independently of the operating system.
The operating system obtains the status through the
system management interface to control the system.
22 ThinkPad 390/i Series 1700

IBM ThinkPad 390 Specifications

General

Brand	IBM
Model	ThinkPad 390
Category	Laptop
Language	English