----------------------------------------------------------------------------
SB-2000,3000,4000(MELCO)                         sΉø,ݸRAM

  8ADip1,ׂ̂ƂAC[qB
      BP-26iAC5V,500mA,8VA[q5mmjgذێB

ݒ  SW1-1    ON
        1-2`5  ڽw
        1-6    ON...sӰ  OFF...Ӱ
        1-7,8  ON,ON...øذӰ  OFF,ON...Sݸ(512KB`)
               OFF,OFF...128KBҲؑ
               ON,OFF...384KBҲؑ

@@ڽݒ
@@@øذ SW1-1,5,7,8  ON
    @@             1-6        OFF
        @@       SW1-2  1-3  1-4
   @@640KB`@      OFF  ON   ON
   @@640KB+1024KB` ON   OFF  ON
   @@640KB+2048KB` OFF  OFF  ON
   @@640KB+3072KB` ON   ON   OFF
       @@@      |
