IBM PC 300GL manual Cable connectors, Connector panel, Small rocker switch settings Function

Table 6. Large rocker switch settings

Microprocessor	1	2	3	4	5	6	7	8
speed
466	Off	On	Off	On	Off	Off	Off	Off
700
933
500	Off	On	Off	Off	Off	Off	Off	Off
750
1000
533	Off	Off	On	On	Off	Off	Off	Off
800
1066
Reserved	Off	Off	Off	On	Off	Off	Off	Off

The small rocker switch has three functions. By moving switch 1 to the On position, you activate the diskette write-protect feature. By moving switch 2 to the On position, you clear the CMOS. This rocker switch is also used for flash recovery. See the PC 300GL and PC 300PL User Guide for instruction.

Table 7. Small rocker switch settings

Function	On
Diskette write-protect	Switch 1
Clear CMOS	Switch 2

Cable connectors

Connections for attaching devices are provided on the back of the computer. Each connection has a corresponding device symbol. The connectors are:

•USB (2)

•Mouse

•Keyboard

•Serial (2)

•Parallel

•Monitor

•Ethernet adapter with RJ-45 connector (some models only)

•Integrated audio controller with line in, line out, and microphone connectors

Connector panel

On the following connector panel illustrations, note the device connection symbols. A connector provided by an adapter might not have an identifying symbol.

For pin-out details on connectors, see “Appendix A. Connector pin assignments,” on page 33.

Chapter 2. System board features 17