Specifications

Memory and I/O Capability
Sockets 3D1 and 5D1
Sockets 3D1 and 5D1 as well as the battery-backed RAM are
controlled primarily by jumpers W57-59. The eight possible memory
configurations are shown in Table 5-1.
Table 5-1
Memory Configurations, 3D1/5D1/BRAM.
Socket 3D1 Socket 5D1 BRAM
1 Disabled Disabled F0000-F7FFF (32K)
2 F0000-F7FFF (32K) F8000-FFFFF (32K) E8000-EFFFF (32K)
3 E0000-EFFFF (64K) F0000-FFFFF (64K) D8000-DFFFF (32K)
4 C0000-DFFFF (128K) E0000-FFFFF (128K) B8000-BFFFF (32K)
5 80000-BFFFF (256K) C0000-FFFFF (256K) 78000-7FFFF (32K)
6 80000-9FFFF (128K) E0000-FFFFF (128K) D8000-DFFFF (32K)
7 40000-5FFFF (128K) E0000-FFFFF (128K) D8000-DFFFF (32K)
8 Disabled Disabled Disabled
5-12