Epson 4000 - Manual (Page 72)

4.
U23
U22
U21
U20
5.
6.
7.
8.
9.
10.
Position one of the cache chips over the first socket as shown
below, aligning the pins on the chip with the holes in the
socket. Make sure the small notch on the end of the
aligned with the corresponding notch on the socket.
chip is
U36 (tag)
U32
U31
U30
U29
BANK 0 BANK 1
Gently press the chip halfway into the socket (to make sure
it is correctly aligned). If the chip goes in at an angle,
remove it with a chip puller or a small flat-head
screwdriver and try again.
When the chip is properly positioned, push down firmly on
both ends of the chip to make sure it is well-seated.
Repeat steps 4 through 6 for each of the remaining chips.
Change jumpers J25, J26, J27, and J28, as described on
page 4-8, to correspond to the amount of cache you
installed.
Replace any option cards you removed. See page 4-14 for
instructions.
Run SETUP to enable the External Cache option and
check that the System shadow and Video shadow
options are enabled. You select these options from the
Advanced System Setup menu. Make sure you save your
settings as you leave SETUP (see Chapter 2).
Installing and Removing Options 4-25