Secondary Cache - NEC PowerMate V486 Series Service Manual

3-14 Options

SECONDARY CACHE

Secondary cache increases system performance. The system supports the addition of 256
KB of secondary cache. The system requires the following cache module options:
n
one 32-KB by 8-bit tag cache module (28-pin)
n
four 64-KB by 8-bit cache modules (32-pin).
Use the following steps to install the secondary cache modules.
1. Remove the system unit cover and any expansion boards covering the cache
socket as previously described.
2. Locate the cache module sockets on the system board.
Figure Section 3-14 Locating the Cache Sockets in the Desktop
NOTE: In the desktop system, the 3 1/2-inch
drive bracket might have to be removed to ac-
cess the tag cache socket.
To remove the 3 1/2-inch drive bracket, see "In-
stalling a Storage Device in the Desktop" later in
this chapter.