American Megatrends Super Voyager VLB-III, Руководство пользователя, Страница: 127 / 138

Super Voyager VLB-III ISA Motherboard User's Guide
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Appendix B
Upgrading Cache Memory
Cache memory American Megatrends Super Voyager VLB-III motherboard can
be upgraded from 64 KB to 256 KB. Eight 32 KB x 8 15 ns SRAMs are
required.
Recommended Parts
Manufacturers of the 32 KB x 8 15 ns SRAMs are:
Manufacturer Part Number
Paradigm PDM41256SA15P
WINBOND W24257AK-15
Motorola MCM6206CNP15
Upgrading Cache Memory
Step Action
1 Turn the system off. If the motherboard
is already installed in a computer case,
remove the cover and expose the
motherboard.
2 Make sure you are properly grounded to
prevent electrostatic discharge.
3 Remove the 8 KB x 8 SRAMs located in
sockets U2, U3, U11, U12, U16, U17, U19,
U20, and U35. See the motherboard
graphic on the following page for the
locations of these sockets.
4 Install the new 32 KB x 8 SRAM in
sockets U2, U3, U11, U12, U16, U17, U19,
U20, and U35. Make sure that Pin 1 of
the socket matches Pin 1 of the SRAM.
5 Turn all switches on SW1 ON.
Turn system power on. The system should report 256 KB of cache memory
now. If it does not, repeat the cache memory installation procedure.