Mitsubishi Electric APRICOT FT//EX, Руководство пользователя

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486 CPU Board 3-7
Table 3-2 lists the jumpers on the 486 CPU board and their corresponding
settings.
Table 3-2 486 CPU Board Jumper Settings
Jumper Settings Function
CPU Clock Frequency Setting
JP1 Open 25 MHz (DX2-50)
33 MHz (DX2-66)
Closed 40 MHz
50 MHz
JP2 Open 25 MHz (DX2-50)
40 MHz
Closed 33 MHz (DX2-66)
50 MHz
PGA CPU Type Setting
JP4 Open 486DX, 486DX2
1-2 486SX
2-3 487SX, ODP 486SX, P24T
LADS Setting for VESA Local Bus (Master Support)
JP3 1-2* 33 MHz
2-3 50 MHz
Local Bus Enabling
JP10 1-2 Disable
2-3* Enable
System Speed
JP8 1-2 25 MHz, 33 MHz
2-3 40 MHz, 50 MHz
JP9 1-2 25 MHz, 40 MHz
2-3 33 MHz, 50 MHz