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12 Intel ISP1100 Internet Server Product Guide
• Unbuffered DIMMs of the following sizes: 16 MB, 32 MB, 64 MB, 128 MB and 256 MB for a
total memory size of 1 GB.
• Registered DIMMs of the following sizes: 64MB, 128Mb and 256MB for a maximum memory
size of 1 GB. Only non-stacked DIMMs are supported because of a server board space
constraint.
Table 3. Supported Memory Characteristics
DIMM
Size Configuration
DRAM
Technology
DRAM
Depth
DRAM
Width
Single-sided DIMM
(Size x 64 Bit)
Double-sided DIMM
(Size x 64 Bit)
16 MB 2 Mbit x 72 16 Mbit 2 Mbit 8 bit 2 MB x 8 B = 16 MB
32 MB 4 Mbit x 72 16 Mbit 2 Mbit 8 bit 4 MB x 8 B = 32 MB
32 MB 4 Mbit x 72 16 Mbit 4 Mbit 4 bit 4 MB x 8 B = 32 MB
64 MB 8 Mbit x 72 16 Mbit 4 Mbit 4 bit 8 MB x 8 B = 64 MB
32 MB 4 Mbit x 72 64 Mbit 4 Mbit 16 bit 4 MB x 8 B = 32 MB
64 MB 8 Mbit x 72 64 Mbit 4 Mbit 16 bit 8 MB x 8 B = 64 MB
64 MB 8 Mbit x 72 64 Mbit 8 Mbit 8 bit 8 MB x 8 B = 64 MB
128 MB 16 Mbit x 72 64 Mbit 8 Mbit 8 bit 16 MB x 8 B = 128 MB
128 MB 16 Mbit x 72 64 Mbit 16 Mbit 4 bit 16 MB x 8 B = 128 MB
64 MB 8 Mbit x 72 128 Mbit 8 Mbit 16 bit 8 MB x 8 B = 64MB
128 MB 16 Mbit x 72 128 Mbit 8 Mbit 16 bit 16 MB x 8 B = 128 MB
128 MB 16 Mbit x 72 128 Mbit 16 Mbit 8 bit 16 MB x 8 B = 128 MB
256 MB 32 Mbit x 72 128 Mbit 16 Mbit 8 bit 32 MB x 8 B = 256 MB
When ECC memory is installed, the BIOS supports both ECC and non-ECC mode. ECC mode is
enabled in the BIOS Setup program. The BIOS automatically detects if ECC memory is installed
and provides the Setup option for selecting the ECC mode. If any non-ECC memory is installed,
the Setup option for ECC mode does not appear and ECC operation is not available.
Table 4 describes the effect of using Setup to put each memory type in each supported mode.
Table 4. Memory Error Detection Mode
DIMM Type ECC Disabled ECC Enabled
ECC No error detection Single-bit error correction, multiple-bit error detection
Non-ECC No error detection N/A