NEC PowerMate SPB-Wash, User Manual

Page: 162 / 222

B-2 System Specifications
Standard Features
The NEC Direction SP B-Series computer uses a
high-performance ATX system board outfitted with a
Pentium II processor.
System specifications are listed by component.
Processor
„
350-MHz, 400-MHz, 450-MHz, or 500-MHz (when
available), depending on the system you purchased
„
Implements the MMX instruction set which optimizes
multimedia performance
„
Backward compatible with the 8086, 80286, Intel386™,
Intel486™, Pentium and Pentium Pro processors
„
Packaged in a Single Edge Contact (SEC) cartridge; the
processor cartridge’s 242-pin edge connector plugs into
the system board’s Slot 1. The SEC is secured by a
retention mechanism attached to the system board. The
SEC includes

processor core

second-level cache

thermal plate with fan-heatsink

back cover.
Second Level Cache
The second level cache (L2) consists of 512 KB of burst
pipelined synchronous static RAM (BSRAM). Also called
external cache memory, it is part of the SEC cartridge and
cannot be expanded.