> IBM Memory > IBM Other Models Computer Memory
Memory Upgrade for IBM PS/2 Model 77 9577
IBM PS/2 Model 77 9577 memory upgrade specification, PS/2 Model 77 9577 maximum memory, memory speed, and memory upgrade options.
Upgrade memory on IBM PS/2 Model 77 9577 upto a maximum of 64 MB
Parity and ECC modules cannot be mixed. Most systems other than the 9577-VTG come with parity memory standard. If you want to use ECC memory in these systems, you must remove the standard memory. Memory can be installed in pairs to increase system pe, with maximum per slot in 4 memory slots. The IBM PS/2 Model 77 9577 takes the Parity and ECC modules cannot be mixed. Most systems other than the 9577-VTG come with parity memory standard. If you want to use ECC memory in these systems, you must remove the standard memory. Memory can be installed in pairs to increase system pe Memory Type.
| IBM PS/2 Model 77 9577 Memory Upgrade Specification | ||||
|---|---|---|---|---|
| Standard Memory | Maximum Memory | Memory Expansion | CPU Type | Model/Chipset |
| 8 MB (removable) | 64 MB Parity and ECC modules cannot be mixed. Most systems other than the 9577-VTG come with parity memory standard. If you want to use ECC memory in these systems, you must remove the standard memory. Memory can be installed in pairs to increase system pe |
4 sockets | Intel i486 | 100MHz FSB |
IBM PS/2 Model 77 9577 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 PS/2 Model 77 9577 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.
