Mitac 8080 Service Manual - laptop schematics, notebook ...
Mitac 8080 Service Manual - laptop schematics, notebook ...
Mitac 8080 Service Manual - laptop schematics, notebook ...
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7.2 Error Codes<br />
Code<br />
30h<br />
31h<br />
32h<br />
33h<br />
34h<br />
35h<br />
36h<br />
37h<br />
38h<br />
39h<br />
3Ah<br />
3Bh<br />
3Ch<br />
3Dh<br />
3Eh<br />
3Fh<br />
<strong>8080</strong> N/B Maintenance<br />
Following is a list of error codes in sequent display on the PIO debug board.<br />
POST Routine Description<br />
Special init of keyboard ctlr<br />
Test if keyboard Present<br />
Test keyboard Interrupt<br />
Test keyboard command byte<br />
Test, blank and count all RAM<br />
Protected mode entered safely(2)<br />
RAM test complete<br />
Protected mode exit successful<br />
Update output port<br />
Setup cache controller<br />
Test if 18.2Hz periodic working<br />
Test for RTC ticking<br />
Initialize the hardware vectors<br />
Search and init the mouse<br />
Update NUMLOCK status<br />
Special init of COMM and LPT ports<br />
Code<br />
40h<br />
41h<br />
42h<br />
43h<br />
44h<br />
45h<br />
46h<br />
47h<br />
48h<br />
49h<br />
50h<br />
51h<br />
52h<br />
POST Routine Description<br />
Configure the COMM and LPT ports<br />
Initialize the floppies<br />
Initialize the hard disk<br />
Initialize option ROMs<br />
OEM’s init of power management<br />
Update NUMLOCK status<br />
Test for coprocessor installed<br />
OEM functions before boot<br />
Dispatch to operate system boot<br />
Jump into bootstrap code<br />
ACPI init<br />
PM init & Geyserville<br />
USB HC init<br />
101
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