NEC SP B-Series - Manual (Page 96)

A-2 System Specifications
This section describes system specifications.
Processor
Microprocessor

350-MHz, 400-MHz, or 450-MHz Pentium II processor or
500-MHz Pentium III processor
Clock Rate
T 350 MHz internally, 100 MHz FSB
T 400 MHz internally, 100 MHz FSB
T 450 MHz internally, 100 MHz FSB
T 500 MHz internally, 100 MHz FSB
Processor Support
T 32-bit addressing
T 64-bit data
Primary Cache

32 KB of internal write-back cache on processor
Secondary Cache

512 KB of pipeline burst cache
Processor Mounting
T Processor subsystem is inserted into slot 1 on the system board.
T A 242-pin edge connector is implemented on the processor board for
system board installation.
T Retention Mechanism (RM) is inserted over slot 1 to act as an insertion
guide and prevent movement of processor after subsystem mounting.
T For thermal protection, a heatsink is supported by a Heat Sink Support
(HSS) which is attached to the system board.
Random Access Memory
Standard Random Access Memory (RAM)

32 MB to 384 MB of 100-MHz
SDRAM installed in industry-standard DIMM sockets on system board
Total Memory

support for up to 384 MB of high-speed PC100 SDRAM
DIMM type

gold-plated, dual in-line modules (DIMMs)
Expansion

expandable using the following modules:
T 4-Mbit by 64 (32-MB DIMM)
T 8-Mbit by 64 (64-MB DIMM)
T 16-Mbit by 64 (128-MB DIMM)