Specifications

Memory and I/O Capability
Sockets 7D1 and 9D1
Sockets 7D1 and 9D1 are controlled primarily by jumpers W55 and
W56. Table 5-2 shows the three possible memory configurations.
Table 5-2
Memory Configurations, 7D1/9D1.
Socket 7D1 Socket 9D1
1 00000-1FFFF (128K) 20000-3FFFF (128K)
2 00000-7FFFF (512K) Disabled
3 Disabled Disabled
Note: Jumpers W67 and W68 affect the addressing of all of the
sockets when W55 is installed and, concurrently, W56 is removed.
Refer to the jumper descriptions for W55-W59 on pages A-41 to A-44
for complete information.
5-13