Publication No. 597-0000000013-000 Rev. F
Statement of Volatility 25
C •
Statement of Volatility
C.1 Volatile Memory
This product contains volatile memory, i.e., memory in which the contents are lost
when power is removed.
Volatile memory devices listed below are physically located on the DA921 daughter
card.
Table C-1 Volatile Memory
Type of Memory Size
User Modifiable Function
Process to Clear
2x SDRAM
(U14, U15)
512 MBytes No
Processors SDRAM Power Off
C.2 Non-Volatile Memory
This product contains non‐volatile
memory, i.e., memory in which the contents are
retained when power is removed.
Non-volatile memory devices listed below are physically located on the DA921
daughter card.
Table C-2 Non-Volatile Memory
Type of
Memory
Size
User-
Modifiable
Function
Process to Clear
EEPROM
(U4)
2 Kbits
No
ETH0 Mac/Setup Parameters
None/factory re-program
NAND Flash
(U16)
*RM921N
ONLY
512 MBytes
Yes
Holds Operating System
Holds Switch Configuration
(user-modifiable)
Login to switch as: admin
-config reset
-reboot
-delete any modified daemon
configuration files
-change switch IP address back to
default
NOR Flash
(U17)
64 MBytes
Yes
Boot Loader
None/factory re-program
(User modification not recommended or
advised)
CPLD
(U11)
128-
macrocell
No
Fiber LED control
None/JTAG header, CPLD programming
cable and SW required