Epson Equity 320SX PLUS - Manual (Page 162)

Starting the Diagnostics Program
To start the diagnostics program, follow these steps:
1. Insert the Reference diskette in drive A and turn on or
reset the computer.
2. When you see the following prompt, press the Del key:
Press <Del> to start SETUP
3. At the next prompt, select Start operating system.
4. At the A : prompt, type D I AG and press Enter to run
System diagnostics. You see a title screen.
5. Press any key to continue. You see the main menu,
described below.
The Main Menu Screen
System board Memory Hard disk Floppy Keyboard Video Misc.
Basic functionality test
CPU protected mode test
Processor speed test
Coprocessor test
DMA controller test
Interrupt controller test
Timer test
Realtime clock test
CMOS validity test
Bun time parameters
Testing mode : (T)imebound / (C)ontinuous / (P)assbound ? P
Walt on error (Y/N) ? Y Error logging (Y/N) ? N No. of passes : 00001
Prev/Nextwindcu++Prev/NexttestTJ Run highlighted test<Enter> Exit<Esc>
Set parms<F2> Sel/desel test<F3> Se1 all<F4> Desel all<F5> Run sel tests<F6>
Tests basic operation of CPU in real mode
B-Z Performing System Diagnostics