User Guide

Hardware Installation
2-28
parity chips(4=4/1), total is 12 chips.
4. For 64 bit DIMM using 1M by 16 bit SDRAM, the chip count
is 64/16=4 chips.
Following table list the recommended DRAM combinations of SIMM and DIMM:
SIMM
Data chip
SIMM
Parity chip
Bit size
per side
Single/
Double
side
Chip
count
SIMM
size
Recommended
1M by 4 None 1Mx32 x1 8 4MB Yes
1M by 4 None 1Mx32 x2 16 8MB Yes
1M by 4 1M by 1 1Mx36 x1 12 4MB Yes
1M by 4 1M by 4 1Mx36 x1 9 4MB Yes
1M by 4 1M by 4 1Mx36 x2 18 8MB Yes
1M by 16 None 1Mx32 x1 2 4MB Yes
1M by 16 None 1Mx32 x2 4 8MB Yes
1M by 16 1M by 4 1Mx36 x1 3 4MB Yes
1M by 16 1M by 4 1Mx36 x2 6 8MB Yes
4M by 4 None 4Mx32 x1 8 16MB Yes
4M by 4 None 4Mx32 x2 16 32MB Yes
4M by 4 4M by 1 4Mx36 x1 12 16MB Yes
4M by 4 4M by 1 4Mx36 x2 24 32MB Yes
SIMM
Data chip
SIMM
Parity chip
Bit size
per side
Single/
Double
side
Chip
count
SIMM
size
Recommended
16M by 4 None 16Mx32 x1 8 64MB Yes, but not
tested.
16M by 4 None 16Mx32 x2 16 128MB Yes, but not
tested.
16M by 4 16M by 4 16Mx36 x1 9 64MB Yes, but not
tested.
16M by 4 16M by 4 16Mx36 x2 18 128MB Yes, but not
tested.
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