User Guide

Hardware Installation
2-18
Total Memory Size = Size of DIMM1 + Size of DIMM2 + Size of DIMM3
The following table list the recommended SDRAM combinations of DIMM:
DIMM
Data chip
Bit size
per side
Single/
Double side
Chip
count
DIMM size Recommended
1M by 16 1Mx64 x1 4 8MB Yes
1M by 16 1Mx64 x2 8 16MB Yes
2M by 8 2Mx64 x1 8 16MB Yes
2M by 8 2Mx64 x2 16 32MB Yes
4M by 16 4Mx64 x1 4 32MB Yes
4M by 16 4Mx64 x2 8 64MB Yes
8M by 8 8Mx64 x1 8 64MB Yes.
8M by 8 8Mx64 x2 16 128MB Yes.
DIMM
Data chip
Bit size
per side
Single/
Double side
Chip
count
DIMM size Recommended
2M by 32 2Mx64 x1 2 16MB Yes, but not tested.
2M by 32 2Mx64 x2 4 32MB Yes, but not tested.
The following table are possible SDRAM combinations that is NOT
recommended:
DIMM
Data chip
Bit size
per side
Single/
Double side
Chip
count
DIMM size Recommended
4M by 4 4Mx64 x1 16 32MB No
4M by 4 4Mx64 x2 32 64MB No
16M by 4 16Mx64 x1 16 128MB No
To use parity checking, it is necessary to choose 72 bit DIMMs (64+8 bit parity),
which are automatically detected by the BIOS.