Hypertherm D845GEBV2 - Manual (Page 25)

Product Description
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Table 6 lists the supported DDR DIMM configurations.
Table 6. Supported DDR DIMM Configurations
DIMM
Capacity Configuration
(Note 1)
DDR SDRAM
Density DDR SDRAM Organization
Front-side/Back-side Number of DDR
SDRAM Devices
64 MB SS 64 Mbit 8 M x 8/empty 8
64 MB SS 128 Mbit 8 M x 16/empty 4
128 MB DS 64 Mbit 8 M x 8/8 M x 8 16
128 MB SS 128 Mbit 16 M x 8/empty 8
128 MB SS 256 Mbit 16 M x 16/empty 4
256 MB DS 128 Mbit 16 M x 8/16 M x 8 16
256 MB SS 256 Mbit 32 M x 8/empty 8
256 MB SS 512 Mbit 32 M x 16/empty 4
512 MB DS 256 Mbit 32 M x 8/32 M x 8 16
512 MB SS 512 Mbit 64 M x 8 8
1024 MB
(Note 2)
DS 512 Mbit 64 M x 8/64 M x 8 16
Notes: 1. In this column, “DS” refers to double-sided memory modules (containing DDR SDRAM devices on both sides)
and “SS” refers to single-sided memory modules (containing DDR SDRAM devices on only one side).
2. DDR333 1 GB (1024 MB) DIMMs have not been validated with these desktop boards.
Table 7 lists the supported system bus frequency / memory speed configurations.
Table 7. Supported System Bus Frequency / Memory Speed Combinations
To use this type of DIMM… The processor’s system bus frequency must be…
DDR333 533 MHz
DDR266 533 MHz or 400 MHz