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M54E2 System Board Manual
Section 2: Configuring the M54E2
2-3
Jumper Settings
Table 2-1: Jumper settings to select between write-back and write-
through cache.
Table 2-2: Jumper settings to select the speed of the CPU.
Table 2-3: Jumper settings to select the size of the external cache.
Jumper Function Settings
W1 Write-through
Write-back (default)
Close
Open
Table 2-2: CPU Speed Selection
Table 2-1: Cache Type Selection
CPU Speed
Bus Speed
75MHz
50MHz
90MHz
60MHz
(default)
100MHz
66MHz
120MHz
60MHz
133MHz
66MHz
150MHz
60MHz
166MHz
66MHz
200MHz
66MHz
Jumper
W2 Open Open Open Close Close Close Close Open
W6 2-3 1-2 2-3 1-2 2-3 1-2 2-3 2-3
W27 Open Open Open Open Open Close Close Close
W40 Close Open Open Open Open Open Open Open
Jumper Function Setting
W5 W10 256K
512K
1-2
2-3
Table 2-3: Cache Size Selection