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Installing Dimms - HP 100B SFF Maintenance & Service Manual

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DIMM Socket Locations – 100B SFF PC
Figure 5-3
DIMM Socket Locations –100B SFF PC
Table 6-1
DIMM1 socket, Channel A
(populate first)
DIMM2 socket, Channel A
A DIMM must occupy the XMM1 socket.
The system only support single channel mode.
● In any mode, the maximum operational speed is determined by the slowest DIMM in the system.

Installing DIMMs

You must disconnect the power cord and wait approximately 30 seconds for the power
to drain before adding or removing memory modules. Regardless of the power-on state, voltage is
always supplied to the memory modules as long as the computer is plugged into an active AC outlet.
Adding or removing memory modules while voltage is present may cause irreparable damage to the
memory modules or system board. If you see an LED light on the system board, voltage is still present.
The memory module sockets have gold-plated metal contacts. When upgrading the memory, it is
important to use memory modules with gold-plated metal contacts to prevent corrosion and/or
oxidation resulting from having incompatible metals in contact with each other.
Static electricity can damage the electronic components of the computer or optional cards. Before
beginning these procedures, ensure that you are discharged of static electricity by briefly touching a
grounded metal object.
When handling a memory module, be careful not to touch any of the contacts. Doing so may damage
the module.
Socket Color
Insertion Order


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