IBM Aptiva Series - System Board Jumper Settings

Parts/Test Point Locations 5-3
System Board Jumper Settings
Table 5- 1 System Board Jumper Settings
Jumper/Settings Function
JP1
1-2
2-3
*
Onboard VGA
Disabled
Enabled
JP3
**
1-2*
2-3
BIOS Type
Standard BIOS for Aptiva
Reserved
JP4
1-2*
2-3
Password Security
Check password
Bypass password
JP6**
1-2*
2-3
Cache Size
256 KB
512 KB
JP7**
1-2
2-3*
BIOS ROM
Block ROM (2 Mbit)
Flash ROM (Intel 28F001)
JP16**
1-2*
2-3
Cache operation mode
Interleaved burst mode
Linear burst mode
JP18**
1-2
2-3*
LED Functions
IDE and FDD LED
IDE LED only
JP19**
1-2*
2-3
Power Saving
Suspend function
Reserved
JP20**
1-2*, 4-5*
2-3, 5-6
Software shutdown
Enable software shutdown function
Reserved
JP3001**
1-2
2-3*
Sound EEPROM control
Write-protect
Write-enabled
*
Default setting
**
For reference only; DO NOT configure.