Panasonic JB-3300 Technical Manual page 85

(start FFFFO (Hex) )
Check Sum of BIOS-ROM
Function Check of
Refresh Timer & DMAC
Error?
No
Yes
Check Memory of
First 16K Bytes
<r?
No
Check Memory Size
(Max. 640K. Bytes)
|
Function Check of
Interrupt Controller
Yes
Error?
No
|
Halt System
Initialize PDP
Controller
Check Memory of
Video RAM
Yes
Error?
No
Check Video Interface
Error?
Sound: Local — ) " "
— B
Speaker 14) SSP
Check Keyboard
Figure 9-20 Se 1f-Diagnosis Flow (1/2)