Compaq ProLiant 6400R Compaq ProLiant 6400R Setup and Installation Guide - Page 66

Installing Additional DIMMs, Expandable to 4 GB 16

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Installing Hardware Options 3-13 Installing Additional DIMMs You can expand the existing memory in your server by installing industry-standard DIMMs into the memory expansion board. The following requirements must be met when installing additional memory. See also "Address Bit Permuting" later in this chapter. Install EDO buffered, 60-ns or faster (50-ns recommended), 16-, 32-, 64-, 128- or 256-MB, 4-K or 8-K refreshed DIMMs installed in sets of four (a bank) To maintain 50-ns timing support, all four banks must contain only 50-ns DIMMs; When DIMMs of different speeds are mixed, the memory speed is reduced to the slowest DIMM speed. Expandable to 4 GB (16 × 256-MB DIMMs) The memory architecture of the Compaq ProLiant 6400R server uses four-way interleaving, which requires groups of four DIMMs of the same size, type, and speed to be installed or removed at a time. (The four groups on each memory expansion board are Banks 1 through 4.) Although DIMMs within a bank must be the same size, type, and speed, DIMMs of a different size can be used in the other banks. CAUTION: Use only Compaq-approved DIMMs. Using DIMM modules from other sources may adversely affect data integrity. For an illustrated overview of the installation procedure, see the Hardware Installation and Configuration poster included in the shipping box and on the hood label under the top access panel. 1. Place the memory expansion board, with the components facing up, on a flat surface. CAUTION: Always support the memory expansion board or apply counter pressure while inserting a DIMM. The ejectors prevent the memory expansion board from lying completely flat. Inserting a DIMM without applying counter pressure to the back of the expansion board behind the socket can flex the memory expansion board cause damage. 2. Open the DIMM socket latches. 3. Align the key slots on the bottom edge of each DIMM with the tabs in the DIMM socket. 4. Insert each DIMM directly into the socket until the module is properly seated , and close the latches .

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Installing Hardware Options
3-13
Installing Additional DIMMs
You can expand the existing memory in your server by installing
industry-standard DIMMs into the memory expansion board. The following
requirements must be met when installing additional memory. See also
“
Address Bit Permuting
”
later in this chapter.
■
Install EDO buffered, 60-ns or faster (50-ns recommended), 16-, 32-,
64-, 128- or 256-MB, 4-K or 8-K refreshed DIMMs installed in sets of
four (a bank)
■
To maintain 50-ns timing support, all four banks must contain only
50-ns DIMMs; When DIMMs of different speeds are mixed, the
memory speed is reduced to the slowest DIMM speed.
■
Expandable to 4 GB (16
×
256-MB DIMMs)
■
The memory architecture of the Compaq ProLiant 6400R server uses
four-way interleaving, which requires groups of four DIMMs of the
same size, type, and speed to be installed or removed at a time. (The
four groups on each memory expansion board are Banks 1 through 4.)
Although DIMMs within a bank must be the same size, type, and speed,
DIMMs of a different size can be used in the other banks.
CAUTION:
Use only Compaq-approved DIMMs. Using DIMM modules from other
sources may adversely affect data integrity.
For an illustrated overview of the installation procedure, see the
Hardware
Installation and Configuration
poster included in the shipping box and on the
hood label under the top access panel.
1.
Place the memory expansion board, with the components facing up, on a
flat surface.
CAUTION:
Always support the memory expansion board or apply counter
pressure while inserting a DIMM. The ejectors prevent the memory expansion
board from lying completely flat. Inserting a DIMM without applying counter
pressure to the back of the expansion board behind the socket can flex the
memory expansion board cause damage.
2.
Open the DIMM socket latches.
3.
Align the key slots on the bottom edge of each DIMM with the tabs in
the DIMM socket.
4.
Insert each DIMM directly into the socket until the module is properly
seated
, and close the latches
.