Supermicro SuperBlade SBI-420P-1T3N Handleiding (94 Pagina's)

Handleiding

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Appendix A BIOS POST Codes

One long and two short beeps – video conguration error

One repetitive long beep – no memory detected

Terminal POST Errors

If a terminal type of error occurs, BIOS will shut down the system. Before doing so, BIOS

will write the error to port 80h, attempt to initialize video and write the error in the top left

corner of the screen.

The following is a list of codes that may be written to port 80h.

Terminal POST Errors

Code Description

02h Verify Real Mode

03h Disable Non-Maskable Interrupt (NMI)

04h Get CPU type

06h Initialize system hardware

07h Disable shadow and execute code from the ROM.

08h Initialize chipset with initial POST values

09h Set IN POST ag

0Ah Initialize CPU registers

0Bh Enable CPU cache

0Ch Initialize caches to initial POST values

0Eh Initialize I/O component

0Fh Initialize the local bus IDE

10h Initialize Power Management

11h Load alternate registers with initial POST values

12h Restore CPU control word during warm boot

13h Initialize PCI Bus Mastering devices

14h Initialize keyboard controller

16h 1-2-2-3 BIOS ROM checksum

17h Initialize cache before memory Auto size

18h 8254 timer initialization

1Ah 8237 DMA controller initialization

1Ch Reset Programmable Interrupt Controller

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