EP80579 Datasheet, PDF (294/1916 Pages) Intel Corporation – Intel® EP80579 Integrated Processor Product Line

Intel^® EP80579 Integrated Processor
5. There are additional restrictions when 2 ranks are used. Both the ranks need to be:
— Either registered or unbuffered. No mixing of registered and unbuffered ranks.
— 64 bit mode only. 32-bit mode is not supported in dual rank.
6. For 32-bit mode, only discrete components of single rank are supported. Two ranks
in 32-bit mode is not supported. Table 11-3 shows the supported configurations in
the 32-bit mode.
11.3.2
DRAM Addressing
Table 11-8, Table 11-9, Table 11-10 and Table 11-11 show the DRAM device addressing
for the various DDR2 device densities supported by the memory controller.
Note that:
• x4 and x 16 devices are not supported.
• 4Gb and higher device density parts are not supported.
• See Table 11-7 for the supported device densities and widths.
Table 11-8. 256Mb Addressing
Configuration
# of Banks
Bank Address
Auto Precharge
Row Address
Column Address
Page Size
DDR2
32 Mb x 8
4
BA0, BA1
A10
A0-A12
A0-A9
1KB
Table 11-9. 512Mb Addressing
Configuration
# of Banks
Bank Address
Auto Precharge
Row Address
Column Address
Page Size
DDR2
64 Mb x 8
4
BA0, BA1
A10
A0-A13
A0-A9
1KB
Table 11-10. 1Gb Addressing
Configuration
# of Banks
Bank Address
Auto Precharge
DDR2
128 Mb x 8
8
BA0-BA2
A10
Intel^® EP80579 Integrated Processor Product Line Datasheet
294
August 2009
Order Number: 320066-003US