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Chapter 1 Server Description
Pentium
II Processor
The system board has two connectors for Pentium II processors. The
secondary processor requires a plug-in DC to DC converter on the system
board to provide power to the processor.
In a symmetric multiprocessor (SMP) environment, all processors are equal
and have no preassigned tasks. Distributing the processing loads between
both processors increases system performance. This is particularly useful
when application demand is low and the I/O request load is high. In an
SMP environment, both processors share a common bus, the same interrupt
structure, and access to common memory and I/O channels. The SMP
implementation conforms to the Multiprocessor Specification Version 1.4.
Memory Module
The memory module has eight DIMM sockets. The module supports from
16 MB to 1 GB of extended data out (EDO) ECC memory 3.3 V 60 ns
DRAMs, mounted on JEDEC DIMMs. You may install mixed sizes and
types of DRAM DIMMS in the eight memory banks; however, their speeds
must be the same. The BIOS automatically detects and initializes the
memory array.
ECC memory detects and corrects single-bit errors from DRAM in real time,
allowing your system to function normally. It detects all double-bit errors
but does not correct them; it also detects all three-bit and four-bit adjacent
errors in a DRAM nibble but does not correct them. When one of these
multiple-bit errors occurs, the PAC generates an SERR (system error) that
usually halts the system. ECC is calculated on a 64 bit wide memory basis.