Alienware MJ-12 X2, User Manual

Page: 16 / 72

2.2 Hardware information
2.2.1 Supported processors
The X2 motherboard has two Intel ® 604 sockets. Each of these sockets can support an
Intel ® Xeon CPU that runs on an 800 MHz Front Side Bus.
The following list shows the supported processors both on dual and single CPU
configurations:
Single CPU
Intel® Xeon™ Processor 3.6GHz w/ EM64T 800 MHz FSB w/1MB Cache
Intel® Xeon™ Processor 3.4GHz w/ EM64T 800 MHz FSB w/1MB Cache
Intel® Xeon™ Processor 3.2GHz w/ EM64T 800 MHz FSB w/1MB Cache
Intel® Xeon™ Processor 3.0GHz w/ EM64T 800 MHz FSB w/1MB Cache
Intel® Xeon™ Processor 2.8GHz w/ EM64T 800 MHz FSB w/1MB Cache
Dual CPU
Dual Intel® Xeon™ Processor 3.6GHz w/ EM64T 800 MHz FSB w/1MB Cache
Dual Intel® Xeon™ Processor 3.4GHz w/ EM64T 800 MHz FSB w/1MB Cache
Dual Intel® Xeon™ Processor 3.2GHz w/ EM64T 800 MHz FSB w/1MB Cache
Dual Intel® Xeon™ Processor 3.0GHz w/ EM64T 800 MHz FSB w/1MB Cache
Dual Intel® Xeon™ Processor 2.8GHz w/ EM64T 800 MHz FSB w/1MB Cache
2.2.2 System memory
The X2 motherboard supports up to four Dual Channel 400MHz DDR2 Registered
SDRAM. Each slot will support 256, 512 MB or 1GB memory DIMMS. For optimum
performance, memory must be installed in pairs.
Slots DIMM_3 and DIMM_2 should be populated first, followed by DIMM_1 and
DIMM_0. When using two pairs of different sizes, the larger memory modules must be
installed in slots DIMM_3 and DIMM_2. See table below for more details.
Memory configurations
DIMM0 DIMM1 DIMM2 DIMM3 TOTAL
256MB 256MB
512MB
512MB 512MB
1 GB
1 GB 1 GB
2 GB
512MB 512 MB 1 GB 1 GB
3 GB
1 GB 1 GB 1 GB 1 GB
4 GB
16