11
AIMB-258 User Manual
Chapter 1
P
roduct
Introduction
1.12
Central Processing Unit (CPU) for AIMB-258
The motherboard AIMB-258 comes with a surface mount 478-pin Zero Insertion
Force (ZIF) socket designed for the Intel® Pentium® M / Celeron® M processor
(Supports mPGA478M, Micro-FCPGA).
Table 1.7: JWDT1: Watchdog Timer Output Option
Closed Pins
Result
1-2
NC
2-3*
System Reset*
*Default
Table 1.8: JOBS: HW monitor
Closed Pins
Result
1-2*
Close: Enable OBS Alarm [Default]
1-2
Open: Disable OBS Alarm
*Default
1
1
NC, 1-2 closed System Reset, 2-3 closed
Close Open
1
2
1
2
Take one of the marked corner (with gold
triangle) on the CPU. This mark should
match a specific corner on the socket to
ensure correct installation.
Note!
!
Make sure the AC power is off before you install the CPU.
!
If installing a dual-core CPU, connect the CPU fan cable to the
CPUFAN1 connector to ensure system stability.
Gold Mark
Summary of Contents for AIMB-258
Page 8: ...AIMB 258 User Manual viii ...
Page 38: ...AIMB 258 User Manual 30 1 14 22 CF connector ...
Page 39: ...Chapter 2 2 BIOS Operation ...
Page 53: ...Chapter 3 3 Chipset Software Install Utility ...
Page 56: ...AIMB 258 User Manual 48 ...
Page 57: ...Chapter 4 4 VGA Setup ...
Page 59: ...Chapter 5 5 LAN Configuration ...
Page 62: ...AIMB 258 User Manual 54 ...
Page 63: ...Appendix A A Programming the Watchdog Timer ...
Page 65: ...57 AIMB 258 User Manual Appendix A Programming the Watchdog Timer ...
Page 71: ...Appendix B B Pin Assignments ...
Page 83: ...75 AIMB 258 User Manual Appendix B Pin Assignments ...