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VIPer 821 - Technical Reference Manual
E-6
0D
Initialize Video Interface
Detect CPU clock.
Read CMOS location 14h to find out type of video in use.
Detect and Initialize Video Adapter.
0E
Test Video Memory
Test video memory, write sign-on message to screen.
Setup shadow RAM - Enable shadow according to Setup.
0F
Test DMA Controller 0
BIOS checksum test.
Keyboard detect and initialization.
10
Test DMA Controller 1
11
Test DMA Page Registers
Test DMA Page Registers.
12-13
Reserved
14
Test Timer Counter 2
Test 8254 Timer 0 Counter 2.
15
Test 8259-1 Mask Bits
Verify 8259 Channel 1 masked interrupts by alternately turning off and
on the interrupt lines.
16
Test 8259-2 Mask Bits
Verify 8259 Channel 2 masked interrupts by alternately turning off and
on the interrupt lines.
17
Test Stuck 8259’s Interrupts Bits
Turn off interrupts then verify no interrupt mask register is on.
18
Test 8259 Interrupt Functionality
Force an interrupt and verify the interrupt occurred.
19
Test Stuck NMI Bits (Parity/IO
Check)
Verify NMI can be cleared.
1A
Display CPU clock
1B-1E
Reserved
1F
Set EISA Mode
If EISA non-volatile memory checksum is good, execute EISA
initialization. If not, execute ISA tests and clear EISA mode flag.
Test EISA Configuration Memory Integrity (checksum & communication
interface).
20
Enable Slot 0
Initialize slot 0 (System Board).
21-2F
Enable Slots 1-15
Initialize slots 1 through 15.
30
Size Base and Extended
Memory
Size base memory from 256KB to 640KB and extended memory above
1 MB.
31
Test Base and Extended
Memory
Test base memory from 256KB to 640KB and extended memory above
1 MB using various patterns.
NOTE: This will be skipped in ISA mode and can be « skipped » with
ESC key in EISA mode.
32
Test EISA Extended Memory
If EISA Mode flag is set then test EISA memory found in slots
initialization.
NOTE: This will be skipped in ISA mode and can be « skipped » with
ESC key in EISA mode.
33-3B
Reserved
3C
Setup Enabled
3D
Initialize & Install Mouse
Detect if mouse is present, initialize mouse, install interrupt vectors.
3E
Setup Cache Controller
Initialize Cache controller.
3F
Reserved
BF
Chipset Initialization
Program chipset registers with Setup values.
40
Display virus protect disable or enable
41
Initialize Floppy Drive &
Controller
Initialize floppy disk drive controller and any drives.
42
Initialize Hard Drive & Controller
Initialize hard drive controller and any drives.
43
Detect & Initialize Serial/Parallel
Ports
Initialize any serial and parallel ports (also game port).
44
Reserved
45
Detect & Initialize Math
Coprocessor
Initialize math coprocessor
Содержание VIPer 821
Страница 8: ......
Страница 15: ...PRODUCT DESCRIPTION 1 PRODUCT OVERVIEW 2 JUMPER SETTINGS 3 FEATURE DESCRIPTION...
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Страница 19: ...1 3 VIPer 821 Block Diagram...
Страница 20: ...1 4 VIPer 821 Connector and Jumper Location...
Страница 21: ...2 1 2 JUMPER SETTINGS The processor related jumpers must conform to the following...
Страница 22: ...VIPer 821 Technical Reference Manual 2 2 The other jumpers are described below...
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Страница 47: ...SOFTWARE SETUPS 4 BIOS SETUP PROGRAM 5 UPGRADING THE BIOS WITH UBIOS...
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Страница 79: ...C 1 C BOARD DIAGRAMS C 1 ASSEMBLY TOP DIAGRAM...
Страница 80: ...VIPer 821 Technical Reference Manual C 2 C 2 ASSEMBLY BOTTON DIAGRAM...
Страница 81: ...Board Diagrams C 3 C 3 ASSEMBLY MECHANICAL DIAGRAM...
Страница 82: ...VIPer 821 Technical Reference Manual C 4 C 4 DC DC CONVERTER MODULE DIAGRAMS Top Side Bottom Side Mechanical...
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