User Guide

Hardware Installation
2-34
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
Tip: 8 bit = 1 byte, 32 bit = 4 byte. The SIMM size is
represented by number of data byte (whether with or
without parity), for example, the size of single side SIMM
using 1M by 4 bit chip is 1Mx32 bit, that is, 1M x 4 byte =
4MB. For double side SIMM, simply multiply it by 2, that
is, 8MB.
Following table are possible DRAM combinations that is NOT recommended:
SIMM
Data chip
SIMM
Parity chip
Bit size
per side
Single/
Double
side
Chip
count
SIMM
size
Recommended
1M by 1 None 1Mx32 x1 32 4MB No
1M by 1 1M by 1 1Mx36 x1 36 4MB No
1M by 4 1M by 1 1Mx36 x2 24 8MB No
4M by 1 None 4Mx32 x1 32 16MB No
4M by 1 4M by 1 4Mx36 x1 36 16MB No
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