EP80579 Datasheet, PDF (292/1916 Pages) Intel Corporation – Intel® EP80579 Integrated Processor Product Line

Intel^® EP80579 Integrated Processor
Table 11-3 shows the various configurations supported in the 32b mode.In the 32-bit
mode only single rank DDR2 devices are supported. In this mode, the minimum
capacity supported is 128 MB and the maximum capacity supported is 1 GB.
Table 11-3. Supported DRAM Capacity for 32b Mode
Total DRAM
Capacity
128 MB
256M B
512 MB
1 GB
DRAM Density
256 Mb
512 Mb
1 Gb
2 Gb
DRAM Part
Width
Total # of parts on
side A
(w/o ECC)
Total # of parts on side
B
(w/o ECC)
x8
4
0
x8
4
0
x8
4
0
x8
4
0
Note:
The EP80579 supports only single ranks in 32-bit mode.
Table 11-4 shows the supported DIMM raw cards in the registered and unbuffered
formats.
Table 11-4. Raw Cards Supported by the EP80579
Raw Card
A
F
B
G
D
F
E
G
Number of DDR2
SDRAMs
9
9
18
18
8
9
16
18
SDRAM Organization
x8, planar, single row
Number of
Ranks
1
1
2
2
1
1
2
2
RDIMM
UDIMM
Table 11-5 shows the supported DDR2device speed grades for single and Dual DIMMs.
Dual DIMM support uses 2N or 2T command/address timing.
Table 11-5. Supported DDR2 Data Speeds
DDR Speed
DDR2-400
DDR2-533
DDR2-667
DDR2-800
1 DIMM
1 rank
1 DIMM
2 ranks
R = 1T
UB = 1T
R = 1T
UB = 1T
R = 1T
UB = 1T
R = 1T
UB = 1T
R = 1T
UB = 1T
R = 1T
UB = 1T
R = 1T
UB = 2T
R = 1T
UB = 2T
R = Registered
UB = Unbuffered
1T = 1T Address/Command Timing
2T = 2T Address/Command Timing
2 DIMMs
1 rank each
R = 1T
UB = 2T
R = 1T
UB = 2T
R = 1T
UB = 2T
Not supported
Intel^® EP80579 Integrated Processor Product Line Datasheet
292
August 2009
Order Number: 320066-003US