Intel P35 User Manual page 44

P3 Series
21-2F Enable Slots 1-15
30 Size Base and Extended
Memory
31 Test Base and Extended
Memory
32 Test EISA Extended
Memory
33-3B Reserved
3C Setup Enabled
3D Initialize & Install Mouse Detect if mouse is present, initialize mouse, install interrupt
3E Setup Cache Controller
3F Reserved
BF Chipset Initialization
40
41 Initialize Floppy Drive &
Controller
42 Initialize Hard Drive &
Controller
43 Detect & Initialize
Serial/Parallel Ports
44 Reserved
45 Detect & Initialize Math
Coprocessor
46 Reserved
47 Reserved
48-4D Reserved
Initialize slots 1 through 15.
Size base memory from 256K to 640K and extended memory
above 1MB.
Test base memory from 256K to 640K and extended memory
above 1MB using various patterns.
NOTE: This test is skipped in EISA mode and can be skipped
with ESC key in ISA mode.
If EISA Mode flag is set then test EISA memory found in slots
initialization.
NOTE: This test is skipped in ISA mode and can be skipped
with ESC key in EISA mode.
vectors.
Initialize cache controller.
Program chipset registers with Setup values.
Display virus protect disable or enable.
Initialize floppy disk drive controller and any drives.
initialize hard drive controller and any drives.
Initialize any serial and parallel ports (also game port).
Initialize math coprocessor.
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User's Manual