AT&T 6300 Service Manual page 95

INSTALLATIONS
15. On DIPSW-0, set switches 1, 2, 3, and 4 for 640-KB total
menlory adding 64-K bit chips (Figure 3-9).
• Switch 1 OFF
• Switch 2 ON
• Switch 3 ON
• Switch 4 OFF
• Switches 5 to 7 (Do not require setting for memory)
• Switch 8 OFF.
1 2 3 4 5 6
7 8
o
N
x
x
x
o
f
Figure
3-9.
DIPSW
-0
Setting for
640-KB
Total
Memory on Motherboard Using 64-K
Bit Chips in Bank 1
Note: Some switches are rocker type; others are
slide type. Some DIP switches have the ON
designation at the top of the switch; others have it
on the bottom.
ON=CLOSED=l
OFF=OPEN=O
3-19