Compaq AP550 Compaq Professional Workstation AP550 Hardware Reference Guide - Page 23

Installing RIMMs

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Installing RIMMs When installing RIMMs, you must use the configurations in the following table. RIMM Installation Configurations Memory Channel A Memory Channel B Possible Configuration RIMM Slot XMM1 RIMM Slot XMM2 RIMM Slot XMM3 1 RIMM CRIMM RIMM 2 RIMM RIMM RIMM RIMM Slot XMM4 CRIMM RIMM ! WARNING: To reduce the risk of personal injury when replacing or removing RIMMs, make sure that the module being removed from the RIMM slot has had sufficient time to cool. RIMM temperatures can reach 100°C (212°.). CAUTION: When handling a RIMM, do not touch any of the contacts. Doing so may damage the module. 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. Before installing additional RIMMs, read “ Guidelines for RIMM Installation” in this chapter. ✎ CRIMMs must be installed in all unpopulated RIMM slots. To install a RIMM: 1. Turn off the workstation and any external devices. 2. Disconnect the power cord from the grounded AC outlet and the back of the workstation. 3. Remove the workstation access panel. 2-8 Hardware Upgrades

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2-8
Hardware Upgrades
Compaq Confidential - Need to Know Required
Installing RIMMs
When installing RIMMs, you must use the configurations in the
following table.
RIMM Installation Configurations
Memory
Channel A
Memory
Channel B
Possible
Configuration
RIMM
Slot
XMM1
RIMM
Slot
XMM2
RIMM
Slot
XMM3
RIMM
Slot
XMM4
1
RIMM
CRIMM
RIMM
CRIMM
2
RIMM
RIMM
RIMM
RIMM
!
WARNING:
To reduce the risk of personal injury when replacing or
removing RIMMs, make sure that the module being removed from
the RIMM slot has had sufficient time to cool. RIMM temperatures
can reach 100°C (212°±).
CAUTION:
When handling a RIMM, do not touch any of the contacts.
Doing so may damage the module.
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.
Before installing additional RIMMs, read ² Guidelines for RIMM
Installation³ in this chapter.
CRIMMs must be installed in all unpopulated RIMM slots.
To install a RIMM:
1.
Turn off the workstation and any external devices.
2.
Disconnect the power cord from the grounded AC outlet and the
back of the workstation.
3.
Remove the workstation access panel.