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RX600 S4 Options Guide 21
6 Processors
V CAUTION!
Make sure you observe the safety notes in the chapter “Safety instruc-
tions” on page 11ff.
Processors are components which are extremely sensitive to electro-
static discharge and must therefore be handled with caution.
After removing a processor from its protective wrapper or from a socket,
always place it on an insulated, antistatic surface and always with the
smooth side down.
Never slide a processor over a surface.
6.1 Installing additional processors
The system board can be upgraded to include up to four processors.
V CAUTION!
If you fit CPU sockets 2-4, you must observe the following:
1. If you install a total of two CPUs, you must use the CPU sockets of
CPU 1 and CPU 2.
2. If you install a total of three CPUs, you must use the CPU sockets of
CPU 1, CPU 2 and CPU 4 (not CPU 3!).
3. If you install a total of four CPUs, you must use the CPU sockets of
CPU 1 through CPU 4.
Always use processors of the same type. All processors must have the
same frequency and cache size. For multi-processor operation, you must
use a suitable multi-processor operating system.
Ê Open the server as described in the chapter “Preparation” on page 17f.