Running The Tests - Epson Equity 286 PLUS User Manual

Running the Tests

The table below lists all of the available System diagnostic tests
and refers you to other sections in this chapter for additional
information, if necessary.
System diagnostic tests
Component Tests
System
board
Memory
C-IO Performing System Diagnostics
Basic functionality
CPU protected mode
Processor speed
Coprocessor
DMA controller
Interrupt controller
Timer
Real time clock
CMOS validity
BIOS ROM
Parity
Pattern
Walking 1
Walking 0
Address
Refresh
function
Tests components such as
instructions, registers, and
flags of CPU
Tests protected mode
as
instructions such
VERR, and LAR
Identifies current clock speed
Tests the coprocessor
Tests memory address and
page registers of DMA
controllers 1 and 2
Tests interrupt mask registers
Compares timer count to RTC
Compares RTC to time 0
interrupt
Tests the CMOS RAM
See "Memory Diagnostics"
Tests data path of BIOS ROM
Checks for memory parity
errors .
Tests for memory read/write
faults
Checks data lines for shorts
and bits that are 1
Checks data lines for shorts
and bits that are 0
Checks for address line
shorts
Checks the refresh interval
LSL,