IBM 6644 User Manual
General Information 3
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.
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:
features:
Processors (Machine Type 6644)
•
Processor in Flip Chip-Pin Grid Array (FC-PGA)
package with integrated PBSRAM L2 cache
(128KB)
package with integrated PBSRAM L2 cache
(128KB)
•
One of the following processors can be installed:
- Celeron - 566 MHz internal, 66 MHz external.
- 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)
package with integrated PBSRAM L2 cache
(256K)
•
One of the following processors can be installed:
- Pentium III - 667/733/866 MHz internal, 133 MHz
- 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.
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)
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)
running at 100 MHz)
- Maximum memory is 512 MB.