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Jumper settings – Micronics M54E2 PCI/EISA User Manual

Page 14

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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