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G586OPA
Cache Configuration
The G586OPA system board can be configured to three
different cache sizes: 256KB, 512KB and 1MB. 256KB
is the default size. The SRAM sockets allow you to
install either 32Kx8, 64Kx8 or 128Kx8 SRAM. Regard-
less of the amount of cache memory installed, one
32Kx8 (U30) is needed for tag RAM to store the
cacheable addresses. The locations of the SRAM sock-
ets on the system board are shown below.
U 7 U 8 U 9 U10
OPTi
82C556
N S
PC87332VF
N S
OPTi
PC87410
82C557
U17
U18 U19
U20
U30
OPTi
82C558
Socket 5
(ZIF Socket)
Pin 1 of the SRAM socket
Locations of the SRAM Sockets on the System Board
Installation Overview u 2-13
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