ZT5515A-1BW Intel, ZT5515A-1BW Datasheet - Page 31

• Manufacturer Part Number: ZT5515A-1BW
• Manufacturer: Intel

Specifications of ZT5515A-1BW

• Lead Free Status / Rohs Status: Supplier Unconfirmed

4.2.2
4.2.3
4.2.4
4.2.5
Intel
Table 4.
Table 5.
Table 6.
Table 7.
®
NetStructure
SW2-1 (Flash Write-Protect)
Closing this switch write-protects flash memory. Open SW2-1 when installing an operating system
image (such as VxWorks) into flash or when using the FLASH.EXE utility to recover from a
corrupted BIOS or update the BIOS. The status of this switch can be read back at the Switch
Monitor register (Port E3h, bit 7). Factory default is open (not write protected). See
“Switch Monitors (E3h)” on page 80
SW2-1 Status
SW2-2 (IPMI Flash Write Protect)
Closing this switch write-protects the IPMI firmware flash memory. Opening the switch allows
IPMI firmware updates. This switch must be open when using an update utility.
SW2-2 Status
SW2-3 (Real-Time Clock Reset)
Closing this switch will clear the CMOS real-time clock.
SW2-3 Status
SW2-4 (CMOS Clear)
Closing this switch will clear the system CMOS. This switch is connected to GPIO35 of ICH4.
SW2-4 Status
Open
(Default)
Closed
Open
Closed (Default)
Open (Default)
Closed
Open (Default)
Closed
SW2-1
TM
SW2-3
SW2-2
SW2-4
ZT 5515 Compute Processor Board Technical Product Specification
BIOS (on-board flash) read/write.
BIOS (on-board flash) is write protected (read only).
Normal Operation
Real Time Clock Reset
Flash firmware read/write.
Flash firmware write protected (read only).
Normal Operation
Clear CMOS
CMOS Real Time Clock
CMOS Real Time Clock
Function
Function
for the Switch Monitor Register (E3h) definition.
Configuration
Section C.1.5,
31