Technical information

Chapter 2. System Board Features
Switches
On the system board, a row of switches allows custom configuration of the microprocessor speed and
diskette write-protection. Refer to Installing Options in Your Personal Computer for information on
accessing the switches.
After installing a microprocessor with a different speed, switches 1 through 6 are used for updating the
microprocessor speed. The following table shows the different configurations available.
Note: Switch 7 has no function.
The following table shows the configuration of switch 8 used for diskette write-protection.
Table 13. Switches 1 to 6 for Microprocessor Speeds
Switch 166 MHz 180 MHz 200 MHz 233 MHz
1 Off On On Off
2 On Off Off Off
3 On On On On
4 On On On On
5 Off On Off Off
6 On Off On On
Table 14. Switch 8 for Diskette Write-Protection
Switch Diskette Write-Enabled Diskette Write-Protected
8 Off On
16 Technical Information Manual