Acer Altos G900 manual System features, Processors, Memory, Scsi controller

22 1 System tour

System features

The Altos G900 is a powerful server system loaded with a host of new and innovative features. The system offers a new standard for flexible productivity ideal for general business applications, email, web service, file clustering and print services.

Processors

The Altos G900 server accommodates one to four processors from the Intel® Xeon™ processor family.

Memory

The memory board contains twelve 168-pin DIMM slots each supporting 72-bit ECC (64-bit main memory plus ECC) registered PC-266 Double Data Rate (DDR) DIMMs. Memory is partitioned in three banks. You may install a minimum of 512 MB (128 MB x 4) or as much as

12 GB.

•Minimum configuration: Four 128-MB DIMMs, for a total of 512 MB

•Maximum configuration: Twelve 1-GB stacked DIMMs for a total of 12 GB

The controller automatically detects, sizes, and initializes the memory array, depending on the type, size, and speed of the installed DIMMs, and reports memory size and allocation to the server via configuration registers.

SCSI controller

The mainboard includes an embedded Adaptec® 7899 SCSI controller, which contains two independent SCSI channels. You can disable the SCSI controller in BIOS setup. Both channels support 16-bit SE or LVD SCSI operations at the following speeds:

•Ultra160 (160 MB/sec)

•Ultra2 (80 MB/sec)

•Ultra Wide SE (40 MB/sec)