Configuration Switches

One header provides eight switches that control various configuration options. Figure 57 shows the switches.

Reserved

Recovery Boot

Spare

BIOS Write Enable

Clear CMOS

Password Clear

PHP Override

Reserved

SW4G1

1

2

3

4

5

6

7

8

Figure 57. I/O Carrier Configuration Switches

Table 29. I/O Carrier Switch Summary

Items in bold show default placement for each configurable option.

 

Switch

Function

Number

Reserved

1

Recovery Boot

2

 

 

 

 

Spare (Reserved)

3

BIOS Update

4

 

 

CMOS Clear

5

 

 

 

 

Password Clear

6

 

 

PHP Override

7

Reserved

8

Default Setting

Disabled

Enabled

Disabled

Disabled

Disabled

Enabled

Enabled

Disabled

Enabled

Disabled

Disabled

Disabled

What it does at system reset

N/A

BIOS attempts a recovery boot, loading BIOS code from a diskette into the flash device. This is typically used when BIOS code has been corrupted.

System attempts to boot using BIOS stored in flash memory.

N/A

No BIOS flash update allowed.

Allow BIOS flash update.

Replaces the contents of NVRAM with the manufacturing default settings.

Preserves the contents of NVRAM.

Clears the current system password.

Maintains the password.

N/A

N/A

182

Technical Reference

Page 182
Image 182
Intel SRPL8 manual Configuration Switches, Function Number, Default Setting Disabled, Disabled What it does at system reset