|Caution||Only authorized service personnel should upgrade the system. Anyone who wants to upgrade the system themselves should know about the dangers of ESD (Electro-Static Discharge) and the necessary precautions. Unknowingly zapping the components of the computer will void the warranty.|
The Cache and TAG RAM are either 28-pin for 128KB of cache, or 32-pin for 512KB of cache.
End users should contact end user Service for cache modules. The part numbers are as follows
(The 512K set is available through C/S, however, end user may purchase part W241024AK-20 9402
Manufacturer Winbond from any mail order catalog co.).
|CACHE CHIP TYPE||128K||512K|
|Tag SRAM (U55)||One 32Kx8, 15ns||One 32Kx8, 15ns|
|DB SRAM (U57/58)||One 64Kx1, 15ns||One 64Kx1, 15ns|
|Four 32Kx8, 20ns||Four 128Kx8, 20ns|