Switch Monitors (E3H) - Intel NetStructure ZT 5515 Product Specification

Table 41. Switch Monitors (E3h)
C.1.6
®
Intel NetStructure
Downloaded from Elcodis.com electronic components distributor
Bit
Flash Write-Protect Status
7
This bit corresponds to the status of switch SW2-1 (see
is write-protected by SW2-1; a logical 1 means the flash is not write-protected by SW2-1.
System Enable
6
This bit corresponds to the status of SYSEN. A logical 1 indicates that the ZT 5515 is plugged into
a system slot. A logical 0 indicates that the ZT 5515 is plugged into a peripheral slot.
Boot source selection
This bit indicates the switch setting of boot block page selection.
5
0 = Protected page (Top page)
1 = Top page - 1
Manufacturing Mode
4
This bit is used during production testing to load a default CMOS image. A logical 1 indicates
manufacturing mode. A logical 0 indicates non-manufacturing mode.
3 Reserved
Console Redirection Enable
This bit reads the status of switch SW4-3 (see
2
console redirection is not enabled. A logical 1 means SW4-3 is closed and console redirection is
enabled. Refer to the "Console Redirection" chapter in the Intel NetStructure Embedded BIOS
Manual before attempting to use this feature.
Software Configuration
These bits are used to provide configuration information to the user's software by monitoring the
status of the Software Configuration SW4 (see page
1:0
switch reads back a 0; a closed switch reads back a 1. The bits correspond to switch segments as
follows:
Bit 0 = SW4-1; Bit 1 = SW4-2; Bit 2 = SW4-3
Geographic Addressing (E4h)
Address Offset:
Default Value:
Size:
Attribute:
TM
ZT 5515 Compute Processor Board Technical Product Specification
Description
page
page 33). A logical 0 means that SW4-3 is open and
page
E4h
0x00
8 bits
RO
System Registers
31). A logical 0 means that the flash
33) segments listed below. An open
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