Sun Microsystems Desktop SunStation Sun-3/75 Manual page 48

34
Sun-3/75
Hardware
Installation
Manual
Table 3-3
Expansion
Memory
Configurations
Option
Number
Expansion
Memory
Option 102
2 Mbytes Expansion
Memoiy
Option 104
4 Mbytes
Expansion
Memory
VME(2)-to-VME(3) Adapter
In place
of
the
2061 Expansion
board, a blank
VME
adapter board
—
two-high
Board
to
three-high
—
can be
placed
in
the options
slot.
The
VME-to-VME
Adapter board
interfaces standard double-width
single-height
VME
cards with
the
Sun-
3/1
60 Eurocaid-format
(triple height) backplane.
Figure 3-2
VME(2)-to-VME(3) Adapter Board
SCSI
Controller
An
optional
SCSI
controller
board
is
available,
which
sits
piggyback on
the
Expansion
board.
When
used with
the
SCSI
controller, the
Expansion
board
comes
in three different configurations:
o
2
Mbyte
Expansion board
—
option
3/75M-
102
4
Mbyte
Expansion board
—
option
3/75M-
1
04
p>sun
merexys
terns
Revision
A
of
31
September 1986