Digital Equipment Prioris XL 6000 Series, Руководство по техническому обслуживанию

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Server Management
4-7
PRIO
RIS
XL
6000
Port 80
Codes Countdown
Codes Description
E6h 740 Test RAM from 0 - 640 KB
E7h Test and initialize first 1 MB of memory
E8h RAM failure, remap memory partitions and test again
E9h RAM test complete, passed; clear parity errors
EAh 730 Set up stack at 30:100, enable cache, and shadow BIOS
EBh Initialize code dispatcher
ECh Make F000h DRAM R/W enabled
EDh Dispatch POST
23h 700 Initializations before setting up vector table
24h Setup interrupt vector table
0Dh Check CMOS clear jumper
0Eh 690 Check validity of CMOS
0Fh Force CMOS defaults if required
10h CMOS initialization complete
25h Nothing
28h Set monochrome mode
29h Set color display
2Ah Clear parity status if any, initialize warm reset flag
2Bh Video auto-configuration and initialization
F0h ISA slot initialization
2Ch 580 Conventional video option ROM search
2Dh Scan user binary
2Eh 570 Initialize monochrome display if no other video present
2Fh 560 Test buffer memory for monochrome
30h Check vertical and horizontal retrace
31h Test for color display memory if no external video BIOS found
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