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1.2.2
Jumper Settings
Table 1-1 lists the system board jumpers with their corresponding
settings and functions.
Table 1-1
System Board Jumper Settings
Jumper
BIOS Type
JP1
Password Check
JP2
1
Boot Block Feature
JP3
BIOS ROM Type
JP5
CPU Core/Host Bus
Frequency
JP4
Second-level Cache
JP6, JP7
*
Default setting
1
The boot block feature works only for Intel 28F001 Flash ROM and requires JP5 to
be set to pins 2-3.
1-6
Setting
Function
1-2
*
For models with Acer BIOS
2-3
For models with OEM BIOS
1-2
Check password
2-3*
Bypass password
(For Intel 28F001 only)
Enable Flash ROM boot block
1-2
feature
Disable Flash ROM boot block
2-3*
feature
1-2
EPROM
2-3
Flash ROM (Intel 28F010, 28F001)
3-4*
Flash ROM (SST 29EE010)
1-4
75/50 MHz
2-5*
90/60, 120/60, 150/60 MHz
3-6
100/66, 133/66, 167/66 MHz
1-2*,1-2*
256 KB
All other setting combinations are
reserved.
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