NEC 2000 - Manual (Page 23)

Reviewing System Features 1-13
Bottom Features
A panel on the bottom of the system unit covers the two memory
expansion sockets and the password clear jumper. (See Chapter 4,
“Adding Expansion Devices,” for information on removing the panel.)
PowerMate 2000 bottom features
A – SO-DIMM Socket 1 C – SO-DIMM Socket 0
B – Password Clear Jumper
Memory Sockets
The system unit comes with either one 128-MB small outline dual-inline
memory module (SO-DIMM) or two 128-MB SO-DIMMs mounted in the
system’s memory sockets.
You can increase system memory up to a maximum of 512 MB by using
64-MB, 128-MB, and 256-MB modules (see “Adding Memory Modules”
in Chapter 4).