Fujitsu Siemens Computers D1501, Technical Manual, Page: 29 / 32

Add-on modules
A26361-D1501-Z120-2-7419
English - 21
Upgrading main memory
The slots for the main memory are suitable for 256, 512, 1024 Mbyte unbuffered DDR-DIMM
memory modules.
Memory modules with different memory capacities can be combined.
!
You may only use unbuffered 3.3V memory modules. Buffered memory modules are not
allowed and lead to a device failure.
DIMM memory modules must meet the PC2100 specification.
Installing a memory module
2
2
Ê
Push the holders on each side of the memory slot outwards.
Ê
Push the memory module into the location (1).
Ê
At the same time flip the both lateral holders upwards until the memory module snaps in
place (2).
Removing a memory module
1
1
Ê
Push the clips on the right and left of the memory slot outward (1).
Pull the memory module out of the memory slot (2).