![background image](http://html.mh-extra.com/html/dtk-computer/apex-386-40/apex-386-40_user-manual_2535909106.webp)
6-4 Entering 33/40MHz Cache Mode
Software Switch
When pins 2 and 3 of jumper J3 are shorted, the system speed may
be toggled between Turbo (cache support in ultra-high speed) and
Normal (emulate without cache support in lower speed) by holding
down the control <Ctrl> and alternate <Alt> keys on the keyboard
while pressing the minus <-> key.
The Turbo LED on the control panel will light in Turbo mode.
Hardware Switch
When pins 1 and 2 of jumper J3 are connected by the switch on the
control panel, push the hardware switch off to enter Turbo mode and
push it on to enter Normal mode. The Turbo LED will light in Turbo
mode.
Chapter 6: Appendix
13
Summary of Contents for Apex 386/40
Page 1: ......
Page 13: ...Chapter 1 System Overview ...
Page 36: ...Chapter 2 Setting Up Your System ...
Page 54: ...Chapter 3 Operating Your System ...
Page 74: ...Capter 4 Keyboard ...
Page 84: ...Chapter 5 Troubleshooting ...
Page 93: ...Chapter 6 Appendix ...
Page 109: ...Chapter 7 Glossary ...