Kurzweil PC3LE8 Specifications download pdf (Page 367)

B--1

Appendix B

PC3LE Bootloader

TheBootloaderistheprogramthatrunswhenthePC3LEisfirstturnedon.Itsjobistocheck

thathardwareisfunctional,initializethedigitalsystems,andloadthemainsynthesizer

program.UndernormalcircumstancesyoumightnotevennoticethattheBootloaderisthereat

all,sincethePC3LE

willstartuponitsownwithoutanyproblem.However,ifyouwantto

updateyourunit,orperformmaintenanceonit,youmayneedtointeractwiththeBootloader

programitself.ThisappendixdescribeswhattheBootloadercandoandhowyoucanuseits

functions.

Thefirstthingto

understandisthatPC3LEexecutableprogramsandallobjectdataresideona

filesystemcontainedinsidetheinstrument.Thisfilesystemisbasedonflashmemory

technologyandwillpersistacrosspowercycles.WhenthePC3LEstartsup,theBootloader

copiesthesynthesizerprogramintomemoryandexecutesit‐

justlikeaPC“bootsup”when

youturniton.The PC3LEalsostoresitsfactory‐definedobjects,andallofyourowncustomized

userobjectsonthefilesystem.TheBootloaderprogramitselfisnotfoundonthe filesystem.

Instead,itresidesinaROMchipthatcannot

beerased,and thereforeispermanentlyinstalledin

yourPC3LE.

Using the Bootloader Menu

NormallytheBootloaderprogramwilldoitstasksandhandovercontroltothesynthesizer

programautomatically.Ifyouwanttointeractwiththe Bootloaderitself,holddowntheExit

button(totherightofthedisplay)whileturningthepoweron(whilethemessage“Loading...”

isdisplayedonthefront

panel).Insteadofcompletingthebootprocess,theBootloaderwill

displayitsmainmenupageonthescreen:



Usethesoftbuttonsunderneaththedisplaytochooseanaction.

RUN PC3LE  Thiswillbootthesysteminitsusualway.Thisisusefulifyou’veupdated

thesynthesizerprogramandwantto

tryitout.

UPDATE IMAGE Thisoffersamenuofchoicestoyouforsystemupdate.

RUN DIAGS ThiswillrunthePC3LEdiagnosticswhichcanhelpdetermineifthere’sa

hardwareerroronyourunit,andifsowhatitis.

SYSTEM RESET Thiswillclearoutalluser‐definedobjectsandreturnthePC3LE

toits

default“Factory”state.

FILE UTILITIES Thisoffersamenuoffilesystemfunctionsthatcanbeusefulin

maintainingyoursystemordiagnosingsoftwareproblems.

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Kurzweil PC3LE8 Specifications Page 367