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2-18 9020/9030/9040 Environmental/Installation/PM
15. (520 With Bootstrap Loader Card)
Remove Bootstrap Loader card and replace the Bootstrap Loader ROM with the new ROM.
Use tool 8710-0585. Reinstall the card in the 1/0 card cage.
(520 With Fixed Disc Drive Controller Assembly)
Remove both cable connectors from controller assembly. Remove controller assembly and
replace the Bootstrap Loader ROM with the new one (Figure 2). Reinstall the card in the
110
card cage.
(530/540)
Remove the SCM and replace the Bootstrap Loader ROM with the new ROM (Figure
3).
Use tool 8710-0585. Reinstall the card in the box.
Figure 2. Fixed Disc Controller Assembly
Bootstrap Loader ROM
Figure 3. 530/540 SCM Board
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