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The MRH-D is a bridge for data transfers between the SNC and the two DDR
memory channels. Each MRH-D has a maximum throughput of 1.6 GB/s and
supports up to eight single or double density registered DIMMs. (The SPS is not
used in the i2DML-8G2/i2DML-iG2.
Processors
The i2DML-8G2/i2DML-iG2 supports single or dual Intel Itanium2 processors of
up to 1.50 GHz with a 6 MB L3 cache at a 400 MHz FSB. Please refer to the
support section of our web site for a complete listing of supported processors
(http://www.supermicro.com/support/).
Memory
The i2DML-8G2/i2DML-iG2 has eight 184-pin, DIMM slots that can support up to
16 GB of low-profile, registered ECC DDR200 (PC1600) SDRAM (DDR266 is
supported but at 200 MHz only). Module sizes of 128 MB, 256 MB, 512 MB, 1
GB and 2 GB may be used to populate the DIMM slots. (This serverboard has
has been designed to support 2GB DIMM modules for each memory slot, but it has
only been validated with 1GB memory modules.)
PCI Expansion Slots
The i2DML-8G2/i2DML-iG2 has three 64-bit, 133/100 MHz (3.3V) PCI-X slots
available for use in a 2U server configuration. The SC823HS-R500RC/SC823Hi-
R500RC chassis supports the use of standard (full-length) PCI-X cards.
ATI Graphics Controller
The i2DML-8G2/i2DML-iG2 features an integrated ATI video controller based on
the Rage XL 8 MB graphics chip. Rage XL fully supports sideband addressing
and AGP texturing. This onboard graphics package can provide a bandwidth of
up to 512 MB/sec over a 32-bit graphics memory bus.
Onboard Controllers/Ports
The i2DML-8G2 includes an onboard LSI Ultra320 SCSI controller for dual-chan-
nel operation. The backpanels on both the i2DML-8G2 and the i2DML-iG2 in-
clude two COM ports, two USB ports and a VGA (monitor) port. An Intel 82546EB
Ethernet controller provides support for two Gb LAN ports, which are also located
on the backpanel. The i2DML-8G2 also features an external SCSI port.
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Chapter 1: Introduction
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