HP Professional ap550 Compaq Professional Workstation AP550 Hardware Reference - Page 22

Guidelines for RIMM Installation, Do not exceed 32-count Direct RDRAM devices on each Direct

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Guidelines for RIMM Installation When installing RIMMs, you must follow these guidelines: s RIMMs must be installed correctly. Be sure to match the two key slots on the RIMM with the tabs on the RIMM socket. Push the RIMM down into the RIMM socket, ensuring that it is fully inserted and properly seated, and that the retaining arms are locked in place. s CRIMMs must be installed in all empty RIMM sockets. The CRIMMs are removed when you populate the sockets with RIMMs. .or examples of the correct configuration sequence, refer to the section, “ Installing RIMMs.” s Install RIMMs in pairs across both memory channels. Each RIMM socket populated with a RIMM or CRIMM on channel A must be populated with an identical RIMM or CRIMM on Channel B. .or examples of the correct configuration sequence, refer to the section, "Installing RIMMs.” s Do not exceed 32-count Direct RDRAM devices on each Direct Rambus memory channel. A label on the RIMM will indicate the number of Direct RDRAM devices on the RIMM and their speed. ✎ You cannot remove or add Direct RDRAMS to a RIMM because the Direct RDRAMS are soldered on and encased by another material. s Do not mix RIMMs with different memory speeds. Performance will reflect the lowest speed RIMMs. CAUTION: Static electricity can damage the electronic components of the workstation or option boards. Before beginning these procedures, ensure that you are discharged of static electricity by briefly touching a grounded metal object. CAUTION: The above guidelines must be followed when installing RIMMs or your workstation will not function. CAUTION: When handling a memory module, do not touch any of the contacts. Doing so can damage the module. Compaq Professional Workstation AP550 Hardware Reference Guide 2-7

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Compaq Professional Workstation AP550 Hardware Reference Guide
2-7
Compaq Confidential - Need to Know Required
Guidelines for RIMM Installation
When installing RIMMs, you must follow these guidelines:
■
RIMMs must be installed correctly. Be sure to match the two
key
slots
on the RIMM with the tabs on the RIMM socket. Push the
RIMM down into the RIMM socket, ensuring that it is fully
inserted and properly seated, and that the retaining arms are locked
in place.
■
CRIMMs must be installed in all empty RIMM sockets. The
CRIMMs are removed when you populate the sockets with
RIMMs. ±or examples of the correct configuration sequence,
refer
to the section, ² Installing RIMMs.³
■
Install RIMMs in pairs across both memory channels. Each RIMM
socket populated with a RIMM or CRIMM on channel A must be
populated with an identical RIMM or CRIMM on Channel B. ±or
examples of the correct configuration sequence, refer to the
section, "Installing RIMMs.³
■
Do not exceed 32-count Direct RDRAM devices on each Direct
Rambus memory channel. A label on the RIMM will indicate the
number of Direct RDRAM devices on the RIMM and their speed.
You cannot remove or add Direct RDRAMS to a RIMM
because the Direct RDRAMS are soldered on and encased by
another material.
■
Do not mix RIMMs with different memory speeds. Performance
will reflect the lowest speed RIMMs.
CAUTION:
Static electricity can damage the electronic components
of the workstation or option boards. Before beginning these
procedures, ensure that you are discharged of static electricity by
briefly touching a grounded metal object.
CAUTION:
The above guidelines must be followed when installing
RIMMs or your workstation will not function.
CAUTION:
When handling a memory module, do not touch any of the
contacts. Doing so can damage the module.