IBM 6644 manual Product Overview, Processors Machine Type 6645/6646, Memory, Pentium

Product Overview

Machine Types 6644, 6645, and 6646 have two low profile PCI slots. The 6644 system comes with the Intel Celeron processor family while the 6645 and 6646 comes with the Pentium III processor.

Listed below are 6644, 6645 and 6646 system features:

Processors (Machine Type 6644)

•Processor in Flip Chip-Pin Grid Array (FC-PGA) package with integrated PBSRAM L2 cache (128KB)

•One of the following processors can be installed: - Celeron - 566 MHz internal, 66 MHz external.

Processors (Machine Type 6645/6646)

Pentium III

•Processor in Flip Chip-Pin Grid Array (FC-PGA) package with integrated PBSRAM L2 cache (256K)

•One of the following processors can be installed:

-Pentium III - 667/733/866 MHz internal, 133 MHz external

Memory

•128-KB Pipeline Burst Static RAM (PBSRAM) built-in Celeron processor for machine type 6644 and a 256-KB PBSRAM L2 cache built-in Pentium III processor for machine types 6645/6646.

•168-pin Synchronous Dynamic Random Access Memory (SDRAM), Dual- in-line Memory Module (DIMM) sockets.

- 2 memory sockets.

- Supports 64-MB, 128-MB or 256-MB DIMM.

- PC-100 (64-bit, non-ECC, 100MHz, 3.3volt) DIMMs with gold contacts (PC-133 memory running at 100 MHz)

- Maximum memory is 512 MB.

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