Specifications
Table Of Contents
- PowerBook 190/5300 Series
- Basics
- Specifications
- Troubleshooting
- Take Apart
- Introduction
- Before You Begin
- Battery
- Floppy Drive
- I/O Door
- Front Feet
- Rear Feet
- Keyboard
- RAM Card
- Clutch Covers
- PC Switch Board (PCMCIA)
- Display Assembly
- Palm Rest
- Sleep Actuator
- Trackpad
- Hard Drive
- Power Supply Board (5300 Series Only)
- Backup Battery
- Heat Sink
- Video Board (Optional on 190 Series)
- Logic Board
- CPU Stiffener
- Infrared Board (Optional on 190 Series)
- Media Bay LED
- PC Card Door (PCMCIA)
- Video Expansion Cover (Optional on 190 Series)
- Reset Actuator
- Sound-In Cover (190 Series Only)
- Media Bay Release Mechanism
- Display Housing
- Inverter Board
- Display
- Microphone
- Speaker
- Clutches
- Floppy Drive Mechanism
- Upgrades
- Additional Procedures
- Exploded View

Troubleshooting Symptom Charts/Peripherals - 29
I/O devices are
unrecognized, or
garbage is
transmitted or
received
1 Reset PRAM.
2 Check cables.
3 Verify that SCSI device is correctly terminated.
4 Verify that SCSI select switch setting on external device is
unique.
5 Test device with known-good computer.
6 Replace logic board.
In disk mode,
computer does not
display SCSI icon
until host is booted,
or computer crashes
when host is shut
down
1 Verify that computer has a unique SCSI ID.
2 Check that SCSI disk mode cable is good and that connection is
tight.
3 Replace logic board.