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Chapter 3: Upgrading
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Chapter 3 Upgrading
Upgrading the System Memory
The Raptor AT allows an upgrade of the system memory with up to
384MB unbuffered SDRAM and up to 768MB registered SDRAM
DIMM modules. ECC and non-ECC modules are supported. PC100
memory modules are recommended, but required for PIII or 100MHz
FSB operation. The Raptor AT offers 3 DIMM memory sockets. It is
very important that the quality of the DIMM is good. Undesirable
operation of the system may result if poor quality DIMMs are used.
Always purchase your memory from a reliable source.
Upgrading the Microprocessor
The latest revision of the Raptor AT currently supports socket PGA370
architecture Intel Celeron Processors and PIII PGA processors. Please,
check the manufacturer’s web site for details and revisions regarding
CPU speed.
Since the Raptor AT features CPU auto-sensing device there is only
one jumper to be set when changing the CPU, JP11, if it's no set to
auto. This jumper is the Clock Speed selector.