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主板诊断卡说明.pdf

1、诊断卡的工作原理?BIOS?B?i?y?k?*?W?A%?P?k?W?A?m?#?,?n?=?3?o?;?PC?-?q?o?Io+*N?R?o BIOS?)?k?+?o?o?p?&o?B?o?F?&o?_?g?y?k?w?F?&?F?k?+?F?I?nO?g?k%?3?o?e?k?-?q?o?K?Y?k?k?+?p?B?g?y?o?p?B?G?k?P?k?I?s?F?o?e?k?+?p?B?g?y?k?+?-?g?k?c?P?P?k?1?*?V?-?$?o?G?*?P?W?A?k?K?9?%?_BIOS?k?*?W?A?n?P?=?y?B?y?k?U?=?3?,?6?P?,?n?d?#?CLK

2、U?ISA?PCI?Q?%?q?g?CPU?h?N?*?o?I?k?k?CLK?Z?o BIOS?g?+BIOS?q?z?Io IRDY?IRDY?Z?z?I?k?k?Io OSC 7T ISA?$?7?Z?k?q?o?I?k?k?7o FRAME?l?u?PCI?$?l?Z?z?I?k?u?o?Io RST?y?7?4RESET?e?I?!?a?U?K?3?o?k?3?o?y?V?S?N?4?,?y?o 12V?q?/?o?I?k?k?4?9?o?l12V?q?/?o?I?k?k?4?9?o 5V?q?/?o?I?k?k?4?9?o?l5V?q?/?o?I?k?k?4?9?o?g?Q?IS

3、A?$?4?9?h 3V3?PCI?$?3.3V?9?k?q?/?o?I?k?PCI?$?4?9?k?Io?W?A?m?#?,?n?n?g?h?7?h 1 o?:?W?A?00?y?FF?C?A?_?y?%?W?A?$?e?y?00?FF?k?OKo?“?1CMOS?j?k?M?k?BIOS?k?00?FF?o?”%?00?FF?W?A?w?J?Z?g?o 2 o?n?7?W?A?R?4?L?k?*?A?o 3 o?#?W?A?n?o 4 o?+?9?cBIOS?g?o?AMIoAwardoPhoenix?h?c%?W?A?W?n?#?c?k?4?“?y?K?9?%?_?BIOS?k?U?|?

4、k?R?BIOS?/?+?N?0?k?-?U?Y?o?I?s?+?N?0?o 5 o?5?PCI?$?Q?%?B?W?A?k?xISA?$?W?A?o?)?G?=?x?ISA?$?W?A?k?PCI?$?W?A?k?0?W?A?k?1?E?$?*?E?P%?_?V?$?%?o?P?k?c%?cPCI?$?k?$?W?A?k?DELL810?Q?CPU?%?PCI?$?W?A?P?k%?+?J?00?FF?k?$?38?J?o 6 o?y?Z?ISA?PCI?%?c?5?k?U?ISA?W?A?k?xPCI?y?k?PCI?W?A?A?o?W?A Award BIOS Ami BIOS Phoe

5、nix BIOS?Tandy 3000 BIOS 00.?P?F?z?/?1?O?INI19?-?x?o.01?y?1?k?,?y?k?o?$?y?/?1?k?U?I?U?/?1?o CPU?$?y?3?g?o 02?G?g?3?o?-?h o?p?&?m?G?k?|o?U CMOS?n?3?g?o 03?”8042?p?&?O?k?G?TESTKBRD?x?X?gAAH?h?*?o ROM BIOS?B?3?g?o 04?8042?p?&?O?y?k?TESTKBRDo?p?&?O?y?n?*?y?o?U?i?y?3?g?o 05?M?-?y?1?5?k?U?B?8042?O?o?G?y?n

6、z?/?1?o?ROMo DMA?3?g?o 06?k?o?oDMA?k?Y?C?”DMA?k?$?yCMOS?-o?o?ROM?ROM BIOS?y?k?Y?C?p?&?k?”o DMA?$?n?y?3?g?o 07?y?2?k?CPU?$?W?o ROM BIOS?y?3?o?k?p?&?”?k?g?p?&?G?BAT?g?y?h?x?Xo.08?CMOS?k?3?o?o?g?p?&?G?BAT?x?X?k?/?1?BAT?x?Xo RAM?3?g?o 09 EPROM?y?9?*?o?p?&?y?k?N?5?p?&?x?X?-o?%?64K RAM?y?3?go 0A?N?M?o?

7、G?p?&?x?X?-?W?A?k?/?1?x?X?-?Go?%?64K RAM?/?G?k?g?yo 0B?y?8254?*?30 o?p?&?O?x?X?-?k?/?1?G?23?y24?/?g?n?g?x?Xo?%?64K RAM?n?.?o 0C?y?8254?*?31 o?p?&?O?23o 24?/?g?n?g?z?G?NOP?x?Xo?%?64K RAN?-?o 0D 1o?CPU?,?k?U?,?Fo2 o?O?/?i?k?o3 o?*?3?y?k?k?m+*No?NOP?x?X?z?N?5?y?CMOS?$?o?%?64K RAM?0E?y?CMOS?-o CMOS?$?n?

8、y?z?1?CMOS?yo?n?M?-o 0F?y?J?CMOSo?CMOS?y?-?zCMOS?o.10?y?DMA?*?30 o CMOS?kCMOS?$?/?1?y?o?%?64K RAM?0?y?o 11?y?DMA?*?31 o CMOS?$?k?/?1?DMA?y?O?o?%?64DK RAM?1?y?o 12?y?DMA?$?o?DMA?O?1?Y?C?O?1?y2?z?/?1?B?o?%?64DK RAM?2?y?o 13?y?8741?p?&?O?N?Mo?P?k?MB?z?/?1?n?yo?%?64DK RAM?3?y?o 14?y?G?o?n?y?z8254?y?/?1?

9、o?%?64DK RAM?4?y?o 15?y?64K?o?2?*?3?y?4%?!?z8254?2?*?3?/?1?y?o?%?64DK RAM?5?y?o 16?y8259?O?no?2?*?3?y?z8254?1?*?3?/?1?y?o?%?64DK RAM?6?y?o 17?n?W?k?3?x?BIOS?o?o?1?*?3?y?z8254?0?*?3?/?1?y?o?%?64DK RAM?7?y?o 18?y?k?x?#?BIOS?*?k?U?o?0?*?3?y?z?/?1?o?%?64DK RAM?8?y?o 19?y?1?*?3?O?g8259?h?I?U?yo?k?N?5?1?o

10、64DK RAM?9?y?o 1A?y?2?*?3?O?g8259?h?I?U?yo?3?G?k?/?1?15?a?*?n?o?%?64DK RAM?10?y?o 1B?y?CMOS?P?uo?30?a?y?z?/?1?64K?y?o?%?64DK RAM?11?y?o 1C?y?CMOS?yo.?%?64DK RAM?12?y?o 1D?CMOS?F?o.?%?64DK RAM?13?y?o 1E?y?4?k?w?yCMOS?A?o.?%?64DK RAM?14?y?o 1F?y?64K?640Ko.?%?64DK RAM?15?y?o 20?y?O?8259?yo?64K?y?z?/

11、1?y?-?o?R?KDMA?$?y?3?g?o 21?4?U?I?U?gNMI?h?y?g?n?*?3?h o?*?-?y?z?/?1?G?o?DMA?$?y?3?g?o 22?y?8259?o?G?z?1?g?G?n?y?o?I?U?$?y?3?g?o 23?y?”8086?Z?”?y8086?”o?64K?g?G?n?y?3?o?z?/?1?O?$?-o?R?K?I?U?y?3?g?24?y?1MB?Y?J?o?O?$?-?k?/?1?O?o?ES?-?$?h?n?o 25?y?”?%?64K?$?e?o?O?z?1?”?”?8042?n?Mo?x?O?3?g?o 26?y?”?o?8

12、042?n?M?z?/?1?”?”?B?G?o?oA20?-?z?$?,?-o 27?G?,?O?I?URAMo?1?G?z?N?5?1?g?O?$?e?o?p?&?O?y?3?g?o 28?G?,?O?8042?p?&?O?o?O?$?e?z?/?1?%?)?”o CMOS?n?y?3?go 29.?%?)?”?k?/?1?)?”o CMOS?F?|?3?go 2A?p?&?O?o?)?”?k?/?1?gROM?y?G?o?q64K?o 2B?MK?y?O?o?G?z?/?1?O?#?ROM?-o?I?s?y?3?g?o 2C?g?M?k?w?$?o?ROM?O?$?z?/?1?0?#?RO

13、M?w?Y?O?o?I?s?3?g?o 2D?y?w?g?M?k?w?$?o?#?ROM?O?k?/?1?g?ROM?O?$?e?U?O?o?I?s?y?3?g?o 2E?F?M?&?y?O?o?R?ROM?O?$?e?=?z?Z?G?EGA?nVGA?g?P?n?y?o?y?ROM?3?go 2F?y?#?k?w?$?o?Z?G?EGA?nVGA?z?/?1?P?n?y?o.30?y?y?J?o?*?P?n?y?z?/?1?g?T?o?I?s?U?Y?W?o 31?y?RC800?y0?EFFF?y0?#?ROM?k?w?$?o?P?n?y?T?k?/?1?g?P%?_?P?n?y?o?%?

14、)?!?U?Y?W?o 32?+?COM?nLTP?nFDD?n?I?nO?/?i?$?o?*?P%?_?P?n?y?z?0?1?g?P%?_?P?T?o?)?!?g40?h?U?Y?W?o 33.?P?z?1?-?y?V?*?P?o?)?!?g80?h?U?Y?W?o 34.?P?F?z?N?5?1?P?”o?y?3?g?o 35.?P?”?z?/?1?BIOS ROM?G?o?y?3?g?o 36.?BIOS ROM?G?z?/?1?*?o?y?A?l20?o 37.?*?z?/?1?P?*?o?”?o 38.?P?*?z?/?1?y?o RAM?y?3?g?-?FFFFHo 39.?y?

15、k?/?1?P?o.3A.?P?z?/?1?P?G?o?*?32?y?o 3B?OPTI?g?Q?486?h?,?o?P?G?ESC?z?Z?”?k?y?/?1?o?7?7?U?y?3?g?o 3C?y?CMOS?o.?g?M?y?3?g?o 3D?p?&?nPS2?nPNP?C?-?o.?w?g?M?y?3?g?o 3E?:?L2?,?o.?#?y?3?g?o 40.?Z?”?y?z?/?1?R?o?CPU?,?k?$?U?G?Fo 41?k?1?G?Y?90?y 0?y?J?E?g?O?h?R?$?e?=?z?/?1?T?no?V?#?+?o 42?P?v?M?SETUPo?T?n?z?/

16、1?g?Z?”?y?o?JCMOS RAM?o 43?3?/?V?/?BIOS?k?Mo?w?M?o?Z?”?z?/?1?”?o.44.?g?N?*?z?/?1?G?Y?0?y0?o?h BIOS?g?o 45?#?o?G?z?/?1?0?y0?Y?C?%o.46.?y?z?4?B?k?/?1?y?o?Q?ROM?o 47.?/?1?J?z?/?1?640K?o.48.?1?z?/?1?G?1MB?Y?o?kCMOS?M?F?o 49.?1BM?Y?w?z?/?1?G?1MB?Y?o.4A.?1MB?Y?w?z?/?1?BIOS ROM?G?o?g?o 4B.BIOS ROM?G?k?/?1

17、ESC?y?y?”1MB?Y?o.4C.?”1MB?Y?(?y)?/?1?”1MB?Y?.?I?U?BIOS ROMo.4D?”1MB?Y?g?y?h?z?1?4o.4E?3?y?j?z?P?P?j?k?w?-?7?F1?p?o?y?y?g?y?h?z?/?1?P?%?64K?y?o?P?o 4F?o?F?&?G?k?gDOS?-o?P?4?k?3?y?1?$?z?1?g?g?y?y?o.50?1?BIOS?!?CMOS?CMOS?o?1MB?Y?y?z?/?1?,?4?Y?y?y?Q?Uo?1CPU?y?,?I?so 51.?y?1MB?Y?o.52?ISA?Q?ROM?g?k?PCI?F

18、IRQ?Z?W?o?1MB?Y?y?z?/?1?-?”o?p?&?yo 53?/?V?/?BIOS?k?Mo?w?M?y?_?o?CPU?$?y?4?k?1?-?”o.54.?o?-?”?z?/?1?=?$?o?T?p?55.?$?=?k?1?y?A?l20?-?o.56.?A?l20?-?z?/?1?BIOS ROM?G?o?p?&?y?o 57.BIOS ROM?G?4%?!?z?go.58.BIOS ROM?G?z?1?”?G?ESC?o?y?o 59.?”?ESC?z?P?z?/?1?DMA?y?O?y?o.5A.?P?7?F2?p?g?o 5B.?y?-o 5C.?y?640K?o

19、60?F?&?-?o?*?DMA?$?y?z?/?1?o?y?J?o 61?P?F?no?z?/?1?gDMA?b1?$?y?o.62?19H?g?-o?*?DMA?b1?$?y?z?/?1?gDMA?b2?$?y?o?y?J?-?o 63.?*?DMA?b2?$?y?z?/?1?BIOS ROM?G?o.64.BIOS ROM?G?4%?!?k?go.65.BIOS ROM?G?z?1?DMA?x?1?y2?io.66.DMA?x?1?y2?i?z?/?1?59?Z?O?o Cache?h?n?g?i?F?o 67.8259?z?/?1?p?&?y?o.68.?BCache?yCPU?BCa

20、che?C?W?o 6A.?y?w?P?BCache?o 6C.?P?t?I?U?o 6E.?P?K?F?o 70.?y?j?W?A?I?s?Po 72.?y?F?k?j?o 74.?y?Uo 76.?p?&?j?o 7A.?g?p?&o 7C.?F?Oo 7E.?y?k?x?o 80.?p?&?y?k?3?”?y?Z?p?*?k?/?1?p?&?=o?U?i?n?o 81.?p?&?=?j?*?p?z?/?1?G?p?&?O?M?y?x?Xo.82.?p?&?O?N?M?y?k?/?1?x?X?-?y?o?y?y?x?RS232?N?M?g?M?h o 83.?x?X?-?k?B?G?z?/

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