> IBM Memory > IBM PC Server Computer Memory

Memory Upgrade for IBM PC Server 325 (8639-Pxx)

IBM PC Server 325 (8639-Pxx) memory upgrade specification, PC Server 325 (8639-Pxx) maximum memory, memory speed, and memory upgrade options.

Upgrade memory on IBM PC Server 325 (8639-Pxx) upto a maximum of 1.0 GB
Modules must be installed in descending order with higher capacity modules installed first. According to IBM, they ship these models with 4k refresh modules., with maximum 256MB per slot in 4 memory slots. The IBM PC Server 325 (8639-Pxx) takes the Modules must be installed in descending order with higher capacity modules installed first. According to IBM, they ship these models with 4k refresh modules. Memory Type.

IBM PC Server 325 (8639-Pxx) Memory Upgrade Specification
Standard Memory Maximum Memory Memory Expansion CPU Type Model/Chipset
32 MB (removable) 1.0 GB
Modules must be installed in descending order with higher capacity modules installed first. According to IBM, they ship these models with 4k refresh modules.
4 sockets 233 or 266MHz Intel Pentium II 100MHz FSB
 

IBM PC Server 325 (8639-Pxx) Memory Upgrade options.

What are memory sockets or slots and how are these divided into bank?

 

Memory Sockets or Slots are the place where memory RAM modules are inserted in the motherboard. The IBM PC Server 325 (8639-Pxx) has 4 memory expansion slots. A memory bank is a group of memory expansion sockets, a bank must be completely filled with memory modules of the same size and type in order for the system to recognize and address the memory. i.e. :

2 sockets (2 banks of 1) This indicates that there are 2 memory slots. These are divided into 2 banks, and each bank consists of one memory slot. So you can add memory one piece at a time for the system to use.

3 sockets (3 banks of 1) This indicates that there are 3 memory slots. These are divided into 3 banks, and each bank consists of one memory slot. So you can add memory one piece at a time for the system to use.

4 sockets (2 banks of 2) This indicates that there are 4 memory slots. These are divided into 2 banks, and each bank consists of two memory slots. So you must add memory two pieces at a time (they must be the same size and type of memory) in order for the system to benefit from the upgrade.

8 sockets (4 banks of 2) This indicates that there are 8 memory slots. These are divided into 4 banks, and each bank consists of two memory slots. So you must add memory two pieces at a time (they must be the same size and type of memory) in order for the system to benefit from the upgrade.

12 sockets (3 banks of 4) This indicates that there are 12 memory slots. These are divided into 3 banks, and each bank consists of four memory slots. So you must add memory four pieces at a time (and they must be the same size and type of memory) in order for the system to benefit from the upgrade.