SBC81870 Intel
®
Pentium
®
M w/ DDR/VGA/Dual LAN
Trouble Shooting
108
43h
:
Test 8259 functionality.
44h
:
Reserved
45h
:
Reserved
46h
:
Reserved
47h
:
Initialize EISA slot
48h :
Reserved
49h :
1. Calculate total memory by testing the last double
word of each 64K page.
2. Program writes allocation for AMD K5 CPU.
4Ah
:
Reserved
4Bh
:
Reserved
4Ch
:
Reserved
4Dh
:
Reserved
4Eh
:
1. Program MTRR of M1 CPU
2. Initialize L2 cache for P6 class CPU & program
CPU with proper cacheable range.
3. Initialize the APIC for P6 class CPU.
4. On MP platform, adjust the cacheable range to
smaller one in case the cacheable ranges between
each CPU are not identical.
4Fh
:
Reserved
50h :
Initialize USB
51h : Reserved