486 128k to 256k cache

[dba24080]

I've got lots of boards with 128k cache. I need to know how to put the cache together to make 256k cache. The jumper setings are on the board. I need to know how to identify the chips. There are 9 slots which ones go where? If you don't have the answer do you know a site that I might be able to find it?<br>
thanks, David E= dadams1@gulftel.com

 

[offy]

I Will try my best here from my memory as i haven't done this in a few years.<br>
<br>
1 x 8k x 8k Tag(sometimes have number 64 on them)(Tag Chip)<br>
4 x 32k x 8k chips =128k Cache<br>
<br>
1 x 32k x 8k Tag Chip (sometimes have number 256)<br>
8 x 32k x 8k chips =256k Cache<br>
<br>
You may see chips for example 32 x 8 -15 or -20 this means the speed in ns<br>
IMPORTANT!!!!!!!!!<br>
Make sure the speeds of the chips are all the same<br>
<br>
¦-----¦-----¦-----¦-----¦-----¦<br>
¦ T ¦ ¦ ¦ ¦ ¦<br>
¦ A ¦ c ¦ c ¦ c ¦ c ¦ For 256k cache place 9 x 32k x 8k cache chips <br>
¦ G ¦ ¦ ¦ ¦ ¦ in all the slots.<br>
¦ ¦ ¦ ¦ ¦ ¦<br>
¦-----¦-----¦-----¦-----¦-----¦<br>
¦ ¦ ¦ ¦ ¦<br>
¦ c ¦ c ¦ c ¦ c ¦<br>
¦ ¦ ¦ ¦ ¦<br>
¦ ¦ ¦ ¦ ¦<br>
¦-----¦-----¦-----¦-----¦ <br>
Make sure the cache chips are placed the correct way as i have seen many motherboards melt when these are placed the wrong way round.<br>
<br>
I hope this is of some help as i cannot see what you have on your cache chips but these are the combinations you should be using for 256k cache .<br>
<br>
Need any more info just reply and i will do the best i can<br>
<br>
Regards<br>
<br>
Offy<br>
<br>
<br>

 

[offy]

Sorry that last picture of the slots did not look like that when i tried to create it