Filter
Top Products
Preparing the Processors
2-536800-A2-GN22-30 January 1997
494-14512
Figure 2-28. Proteon p1392 Card
Switching off the Cache on 486DX
If the 486DX full-feature workstation has not been configured at the factory with its cache
switched off, you may notice the following symptoms:
• The movement of any windows appears to be jittery or choppy when dragged by the mouse.
• When running NMS R3.1, at initial start-up the screen comes up but the keyboard is locked
and unusable.
The 486DX cache may be switched off using the BIOS Setup Utility which is resident in the
workstation’s processor firmware. Starting with the 486DX powered off, perform the following
steps:
1. Power on the workstation’s processor and immediately press Ctrl-Alt-Esc.
2. The BIOS Setup Utility window/menu will appear. Using the ↓↑ keys, select System
Configuration Setup and
PRESS: Enter
3. Page 1 of the Utility will appear; to get to Page 2
PRESS: Page Down
4. Page 2 will appear. Using the ↓ key, move the cursor until it reaches the line labeled
System Cache. Using → will cause the field value to toggle between on and off. Set the
value to off.
PRESS: Esc
5. A confirmation box will appear. To save the CMOS data,
PRESS: Enter