Chapter 5
Troubleshooting
I d e n t i f y i n g Y o u r S y s t e m
The Computer Will Not Start
The Computer Does Not Respond
K e y b o a r d P r o b l e m s
M o u s e P r o b l e m s
M o n i t o r P r o b l e m s
D i s k e t t e P r o b l e m s
D i s k e t t e D r i v e P r o b l e m s
H a r d D i s k D r i v e P r o b l e m s
S o f t w a r e P r o b l e m s
P r i n t e r P r o b l e m s
O p t i o n C a r d P r o b l e m s
M e m o r y M o d u l e P r o b l e m s
C o n t r o l l e r P r o b l e m s
Internal Battery Problems
Appendix A
Specifications
CPU and Memory
. . . . . . . . . . . . . . . . . .
Controllers . . . . . . . . . . . . . . . . . . . . . .
Interfaces . . . . . . . . . . . . . . . . . . . . . . .
Mass Storage
. . . . . . . . . . . . . . . . . . . . .
Keyboard . . . . . . . . . . . . . . . . . . . . . . .
SETUP Program . . . . . . . . . . . . . . . . . . .
Physical Characteristics . . . . . . . . . . . . . . .
Power Supply . . . . . . . . . . . . . . . . . . . . .
Environmental Requirements . . . . . . . . . . .
Tested Operating Environments . . . . . . . . . .
Video Memory and Supported Resolutions . . .
Options Available from EPSON
. . . . . . . . . .
Hard Disk Drive Types
. . . . . . . . . . . . . . .
Drive Option Information . . . . . . . . . . . . .
DMA Assignments . . . . . . . . . . . . . . . . .
Hardware Interrupts . . . . . . . . . . . . . . . .
System Memory Map . . . . . . . . . . . . . . . .
System I/O Address Map . . . . . . . . . . . . .
Connector Pin Assignments . . . . . . . . . . . .
A - 4
A - 4
A - 5
A - 5
A - 6
A - 7
A - 7
A - 8
A - 1 0
A - 1 1
A - 1 2
A - 1 3
A - 1 4
A - 1 6
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