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Preface
1.2
Extensions and conversions
Main memory
In the basic configuration (base/extension unit), two memory cards are supplied
with either 2 GB or 4 GB of memory installed in memory card A.
The system board offers four hot-plug memory cards (A to D) slots, each of
which can accommodate up to four DIMMs (in two memory banks each). The
slots are suitable for DDR RAM PC2-3200 ECC DIMMs with 2 GB or 4 GB
capacity, depending on the type of memory. Thus, each node supports up to 32
GB (64 GB) of system memory.
No mixing of DIMM types is allowed within one memory bank. Memory mirroring
is only possible if DIMM types are identical between mirrored memory banks.
Memory upgrade/exchange with the server switched off is described in
"Main memory" on page
I
The hot-plug memory card exchange and upgrade procedure is
described in the Operating Manual.
Processors
In the basic configuration (base/extension unit), the system comes with two
microprocessors. You can install up to four microprocessors to further enhance
performance and symmetric multiprocessing (SMP) capability.
You may only use processors of the same type on the system board. All
processors must have the same frequency and cache size.
Processor upgrade/exchange is described in
Accessible drives
The basic configuration (base/extension unit) includes a CD/DVD drive.
However, this drive is disabled in the extension unit of an 8-way configuration.
I
In 16-way configuration, only one CD/DVD drive is operable.
No built-in accessible drives are available. Therefore, additional drives must be
plugged in via the USB port. This can be done while the system is up and
running.
25.
Extensions and conversions
chapter "Processors" on page
chapter
31.
3
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