Initialization PX-8

Resetting sub-CPU (2.1.3)
- power switch off
- push the red "INITIAL RESET" button near the ROMs (resets sub-CPU)
-> "initializing" appears on the screen
when:
- after battery change
- system corruption
- installing (and removing) expansion unit, like RAM disk unit

Initialization Reset 
- press SHIFT-NUM GRAPH keys while pressing the Reset key at the left side of the PX-8
this procedure is (almost?) identical to the sub-CPU reset

Simple reset 
- pressing the Reset key at the left side of the PX-8

An overview of the reset actions is printed on page 2-47 of the user manual

On a system lock-up occurs try 
1. press STOP
2. press CTRL-STOP
3. press Reset (left of PX-8)
4. press Reset while holding down SHIFT-NUM GRAPH (or press sub-CPU reset)



The CONFIG.COM program on the utility ROM allows setting of:
- auto power off
- CP/M function keys
- cursor and function key display
- date & time
- disk drives
- printer
- RAM disk resize
- RS232C port settings
- screen mode
- serial port setting
- user BIOS
- country settings (character set)

The Key combination CTRL-HELP enters the System Display module. It shows:
- RAM Disk size
- user BIOS size
- menu disks
- auto start mode
- clock mode (alarm/wake/off)
- micro cassette tape drive control mode
- password setting/resetting