System Overview 1-9
Pentium II Processor
Depending on system configuration, each system includes one or two Pentium II
processors. Each Pentium II processor is packaged in a Single Edge Contact (SEC or
SECC2) cartridge. The cartridge includes the processor core with an integrated 16 KB
primary (L1) cache; the secondary (L2) cache; a thermal plate; and a back cover. The
processor implements the MMX
™
technology and the processor’s numeric coprocessor
significantly increases the speed of floating-point operations.
The processor external interface operates at a maximum of 66 MHz. The second-level
cache is located on the substrate of the SEC cartridge. The cache includes burst
pipelined synchronous static RAM (BSRAM) that operates at half the core clock rate.
The L2 cache is offered in 512 KB configurations only, with error correcting code
(ECC).
The system board contains four 168-pin DIMM sockets (Figure 1-5, H). The minimum
system board configuration includes 32 MB of system memory. 4 DIMM sockets allow
for system memory expansion to 512 MB. ECC generation/checking is provided for
detection and correction of memory errors.
Note
: Only use DIMMs approved for use in this server system.
Call your customer service representative for information.
I/O Expansion Slots
The server's expansion capabilities meet the needs of file and application servers for
high performance I/O by providing a combination of PCI local bus and ISA connectors.
The system board offers two dedicated PCI slots, three dedicated ISA slots, and one
shared PCI/ISA slot.
The system board contains four ISA I/O (input/output) expansion slots (Figure 1-5, A).
The ISA architecture supports 16-bit memory addressing and 16-bit data transfers.
The system board also contains three PCI bus I/O expansion slots (Figure 1-5, C). The
PCI architecture supports 32-bit memory addressing and 32-bit data transfers. One of
these slots shares a common chassis I/O expansion slot with one of the ISA slots; if you
use this slot as a PCI slot, you cannot use it as an ISA slot.
Real-Time Clock/Calendar
The real-time clock provides system clock/calendar information stored in a non-volatile
memory (NVRAM). The real-time clock battery provides power backup for the real-
time clock.
BIOS
A BIOS and Setup Utility are located in the Flash EPROM on the system board and
include support for system setup and PCI/ISA Plug-and-Play auto-configuration. A
number of security, reliability, and management features also have been incorporated to
meet vital server needs.
Summary of Contents for MC2200
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