Owners Manual

Table 22. Memory configurations—two processors (continued)
System
capacity (in
GB)
DIMM size
(in GB)
Number of
DIMMs
DIMM rank, organization, and
frequency
DIMM slot population
256 16 16
2R, x8, 2400 MT/s
2R, x8, 2133 MT/s
A1, A2, A3, A4, A5, A6, A7, A8, B1, B2, B3,
B4, B5, B6, B7, B8
384 16 24
2R, x8, 1866 MT/s A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11,
A12, B1, B2, B3, B4, B5, B6, B7, B8, B9, B10,
B11, B12
32 12
2R, x4, 2400 MT/s
2R, x4, 2133 MT/s
A1, A2, A3, A4, A5, A6, B1, B2, B3, B4, B5,
B6
512 32 16
2R, x4, 2400 MT/s
2R, x4, 2133 MT/s
A1, A2, A3, A4, A5, A6, A7, A8, B1, B2, B3,
B4, B5, B6, B7, B8
64 8
4R, x4, 2400 MT/s
4R, x4, 2133 MT/s
A1, A2, A3, A4, A5, A6, A7, A8, B1, B2, B3,
B4, B5, B6, B7, B8
*
16 GB DIMMs must be installed in slots numbered A1, A2, A3, A4, B1, B2, B3, and B4 and 8 GB DIMMs must be installed in slots A5, A6,
B5, and B6.
Removing memory modules
Prerequisites
CAUTION:
Many repairs may only be done by a certified service technician. You should only perform troubleshooting and
simple repairs as authorized in your product documentation, or as directed by the online or telephone service and
support team. Damage due to servicing that is not authorized by Dell is not covered by your warranty. Read and follow
the safety instructions that are shipped with your product.
1. Follow the safety guidelines listed in the Safety instructions section.
2. Follow the procedure listed in the Before working inside your system section.
3. Remove the cooling shroud.
NOTE:
The memory modules are hot to touch for some time after the system has been powered down. Allow the
memory modules to cool before handling them. Handle the memory modules by the card edges and avoid touching the
components or metallic contacts on the memory module.
CAUTION: To ensure proper system cooling, memory module blanks must be installed in any memory socket that is not
occupied. Remove memory module blanks only if you intend to install memory modules in those sockets.
Steps
1. Locate the appropriate memory module socket.
CAUTION:
Handle each memory module only by the card edges, ensuring not to touch the middle of the memory
module or metallic contacts.
2. To release the memory module from the socket, simultaneously press the ejectors on both ends of the memory module socket.
3. Lift and remove the memory module from the system.
Installing and removing system components
55