View Full Version : What is "PBSRAM"

20-10-2005, 08:27 PM
I have ancient Pentium motherboard, the "Intel 82430VX", which seems to be a "Full Yes" product (as it says on the board). On observing the board, I discovered a slot next to the Socket 7 Socket, which I presumed was a Slot 1 processor slot. This was before I found the manual, in between some other junk, and saw that the same slot was labelled "PBSRAM Module". Its an empty slot and I'm just wondering what it's function is. Is it a slot to add an L1 or L2 cache?

20-10-2005, 08:33 PM
whats the size of the slot?

some came out with expanable L2 cache and some also had a slot for expanding the onboard graphics memory.

can you find a make/model number?

edit: google shows it as "Pipeline Burst SRAM" which is L2 cache.

20-10-2005, 08:43 PM
It probably is Cache, as under the "Cache" section on the motherboard Specifications page, it says:
"On Board PBSRAM 256KB(32Kx32) or 512KB(64Kx32) Option
PBSRAM Module 256KB(32Kx32) or 512KB(64KBx32) Option"

Can you have On Board and a Module at the same time, effectively being able to get 1M of Cache?

20-10-2005, 08:49 PM
depends on the make/model. if its got 512 onboard and you can add another 512 then you got 1M. later boards got up 2M L2 cache.

try it an see, if you have the SBSRAM module that is. i doubt they are an easy thing to find. also speed wise it would be better to throw the board and get something better.