Owners Manual

Statement of Volatility — Dell Precision 3630
Tower
CAUTION: A CAUTION indicates either potential damage to hardware or loss of data and tells you how to avoid the problem.
The Dell Precision 3630 Tower contains both volatile and non-volatile (NV) components. Volatile components lose their data immediately
after power is removed from the component. Non-volatile (NV) components continue to retain their data even after power is removed
from the component. The following NV components are present on the Precision 3630 Tower system board.
Table 1. List of Non-Volatile Components on System Board
Description Reference Designator Volatility Description User Accessible for
external dat
a
Remedial Action (Action
necessary to prevent
loss of data)
N/A U3 N/A No N/A
Panel EEDID EEPROM Part of panel assembly Non Volatile memory, 512
bytes.
No Part of panel assembly
System BIOS U18 Non Volatile memory, 32
Mbit (4 MB), System
BIOS and Video BIOS for
basic boot operation, PSA
(on board diags), PXE
diags.
No N/A
Video BIOS On GFx cards (G92 or
G94):
Non Volatile memory, 512
kbit (64 KB), Graphics
system BIOS.
No N/A
System Memory - DDR3
memory
Four SODIMM
connectors:
JDIM1,2,3,4
N/A Yes Power o system
System memory SPD
EEPROM
On System memory
SODIMM(s) - 2-4 present
Non Volatile memory 512
Bytes.
Stores memory
manufacturer data and
timing information for
correct operation of
system memory.
No N/A
RTC CMOS - BBRAM
(battery backed up)
U3 Non Volatile memory, 64
Bytes.
Stores CMOS
information.
No N/A
Statement of Volatility — Dell Precision 3630 Tower 1