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Server Board Features 13
Processor
The S875WP1-E server board supports a single Intel Pentium 4 processor with an mPGA478
socket. The processor connects to the server board through the mPGA478 socket. The Intel
Pentium 4 processor can be removed and replaced to accommodate a supported higher speed
processor.
The server board S875WP1-E supports the following processors.
Table 2. Supported Processors
Type Designation System Bus L2 Cache Size
2.40, 2.60, 2.80, and 3.0 GHz 800 MHz 512 KB Pentium 4 processor with Hyper-
threading (HT) Technology
3.06 GHz 533 MHz 512 KB
2.0, 2.26, 2.4B, 2.53, 2.66, and
2.80 GHz
533 MHz 512 KB Pentium 4 processor
2.0, 2.4 GHz 400 MHz 512 KB
✏
NOTE
The processor is not included with the server board and must be purchased separately.
Memory
The S875WP1-E server board contains four 184-pin DIMM sockets and supports up to four DDR
SDRAM DIMMs. The minimum supported memory configuration is 128 MB and the maximum
configurable memory size is 4 GB with stacked unbuffered DDR266/333/400 ECC DIMMs.
Supported memory configurations are as follows:
• Up to four dual-channel 184-pin Double Data Rate (DDR) SDRAM DIMMs connectors with
gold-plated contacts. Supported memory configuration are:
DDR400: to run DDR400 memory at full speed requires an Intel Pentium 4 processor
with 800 MHz front side bus (FSB) frequency.
DDR333: to run DDR333 memory at full speed requires an Intel Pentium 4 processor
with 533 MHz FSB frequency. DDR333 memory will run at 320 MHz frequency when
using an Intel Pentium 4 processor with 800 MHz FSB frequency.
DDR266: DDR266 memory may only be used with an Intel Pentium 4 processor with
400 MHz or 533 MHz FSB frequency only.
• Support for:
Single-channel memory
Unbuffered, single or double-sided DIMMs
Serial Presence Detect (SPD) memory only
Support for Suspend to RAM (STR), S3 ACPI state
ECC and non-ECC RAM
2.5 V memory