S2420 Tomcat i810ef
21
INST
A
LL
To lock the DIMM into place, push the plastic clips on either end of the slot
onto the notches in the ends of the DIMM (see
Figure 2-4
on previous page).
In some cases, pushing the memory module into the DIMM slot will move the
plastic clips inward, automatically locking the module into place. To remove
your DIMM, simply pull the clips back, and pull up on the module. Place the
DIMMs in an anti-static bag as soon as you remove them to avoid static
damage.
The Tomcat i810ef uses a 64-bit data path from memory to CPU and can
accommodate up to 512MB of SDRAM. The 168-pin DIMMs (Dual In-line
Memory Modules) must be of the 3.3V, PC-100,
unbuffered
variety. The
position of the notch in the SDRAM key position will tell you whether or not a
DIMM is unbuffered (see the
Figure 2-5
on previous page). All installed
memory will be automatically detected, so there is no need to set any jumpers.
Some details of memory installation:
The mainboard supports 32MB, 64MB, 128MB SDRAM; and supports
256MB unregistered SDRAM DIMM modules.
PC-100 DIMM is required.
The table below shows some of the possible memory configurations. Not all
possible configurations are listed.
Warning! DO NOT use registered DIMMs. (Check with your memory
dealer for more information).
See www.tyan.com for the latest memory
compatibility information.
1
k
n
a
B
M
M
I
D
2
k
n
a
B
M
M
I
D
l
a
t
o
T
1
x
B
M
2
3
1
x
B
M
2
3
B
M
4
6
1
x
B
M
4
6
1
x
B
M
2
3
B
M
6
9
1
x
B
M
4
6
1
x
B
M
4
6
B
M
8
2
1
1
x
B
M
8
2
1
1
x
B
M
4
6
B
M
2
9
1
1
x
B
M
8
2
1
1
x
B
M
8
2
1
B
M
6
5
2
1
x
B
M
8
2
1
1
x
B
M
6
5
2
B
M
4
8
3
1
x
B
M
6
5
2
1
x
B
M
6
5
2
B
M
2
1
5
warning
