Dell Precision T7400 (Late 2007) User Manual
Page 180
180
Adding and Replacing Parts
Install memory modules in order of their labels on the system board; matched
sets of four should be installed first into DIMM_1 on each board and then
DIMM_2 on each board, and so on.
NOTICE:
Do not install non-ECC, unbuffered, or non-fully-buffered memory
modules. Doing so may cause the system not to boot.
Installing Memory (With Optional Memory Riser Cards)
CAUTION:
Before you begin any of the procedures in this section, follow the
safety instructions in the
Product Information Guide.
CAUTION:
To guard against electrical shock, always unplug your computer from
the electrical outlet before opening the cover.
NOTICE:
To prevent static damage to components inside your computer, discharge
static electricity from your body before you touch any of your computer’s electronic
components. You can do so by touching an unpainted metal surface on the
computer.
1 Follow the procedures in "Before You Begin" on page 139.
CAUTION:
Your computer is heavy (it has an approximate minimum weight of 55
lbs) and can be difficult to maneuver. Seek assistance before attempting to lift,
move, or tilt it; this computer requires a two-man lift. Always lift correctly to avoid
injury; avoid bending over while lifting. See your
Product Information Guide for
other important safety information.
CAUTION:
The computer stand should be installed at all times to ensure
maximum system stability. Failure to install the stand could result in the computer
tipping over, potentially resulting in bodily injury or damage to the computer.
2 Remove the computer cover (see "Removing the Computer Cover" on