| 端子番号 Pin No. |
端子名称(仮名称) Pin Name |
入出力方向 I/O direction |
端子機能 Pin description |
| 1 | AB12 | I | ADDRESS BUS12 |
| 2 | AB8 | I | ADDRESS BUS8 |
| 3 | AB13 | I | ADDRESS BUS13 |
| 4 | AB14 | I | ADDRESS BUS14 |
| 5 | AB0 | I | ADDRESS BUS0 |
| 6 | GND | - | 0V |
| 7 | AB1 | I | ADDRESS BUS1 |
| 8 | AB2 | I | ADDRESS BUS2 |
| 9 | AB3 | I | ADDRESS BUS3 |
| 10 | AB4 | I | ADDRESS BUS4 |
| 11 | AB5 | I | ADDRESS BUS5 |
| 12 | WR(BWR) | I | WRITE SIGNAL INPUT. |
| 13 | RD(BRD) | I | READ SIGNAL INPUT. |
| 14 | SLTSL | I | SLOT SIGNAL INPUT. |
| 15 | TEST | I | TEST SIGNAL INPUT. |
| 16 | DCHG | I | DISK CHANGE SIGNAL INPUT. |
| 17 | SIDE IN | I | SPECIFIES EITHER THE SINGLE OR DOUBLE SIDE OF THE DISK.WHEN LOW,THIS SIGNAL SPECIFIES THE SINGLE SIDE. |
| 18 | DCHG RST | O | DISK CHANGE RESET SIGNAL OUTPUT |
| 19 | VDD(+5V) | - | POWER |
| 20 | INUSE | O | ? NO DATA.DISK ACCESS SIGNAL? |
| 21 | SIDE SL | O | SIDE SELECT SIGNAL OUTPUT FOR FDD. |
| 22 | DSEL 0(DRIVE 0) | O | DRIVE SELECT SIGNAL 0 OUTPUT. |
| 23 | XTAL 1 | I | CLOCK SIGNAL INPUT1 |
| 24 | XTAL 0 | I | CLOCK SIGNAL INPUT0 |
| 25 | DIOSL | ? | ?? |
| 26 | DRQ(DRQ IN) | I | DATA REQUEST INPUT. |
| 27 | RST | I | RESET SIGNAL INPUT. |
| 28 | IRQ | I | INTERRUPT SIGNAL INPUT. FDC COMMAND END SIGNAL INPUT. |
| 29 | M ON(MON) | O | MOTOR ON/OFF CONTROL SIGNAL OUTPUT. |
| 30 | DSEL 1(DRIVE 1) | O | DRIVE SELECT SIGNAL 1 OUTPUT. |
| 31 | GND | - | 0V |
| 32 | 1MHz(1MHz CLOCK) | O | 1MHz CLOCK SIGNAL OUTPUT for FDC. |
| 33 | RE | O | DATA CONTROL SIGNAL TO OUTPUT DATA WHICH HAS BEEN WRITTEN INTO THE REGISTER OF FLOPPY DISK CONTROLLER BY SPECIFYING WE. |
| 34 | WE | O | DATA CONTROL SIGNAL TO WRITE DATA INTO THE REGISTER FROM THE DAL OF FLOPPY DISK CONTROLLER. |
| 35 | FDC CS(CS) | O | CHIP SELECT SIGNAL FOR THE FLOPPY DISK CONTROLLER(FDC). |
| 36 | DROM CS | O | DISK ROM SELECT SIGNAL. |
| 37 | D7 | I/O | DATA BUS7 |
| 38 | D6 | I/O | DATA BUS6 |
| 39 | D2 | I/O | DATA BUS2 |
| 40 | D1 | I/O | DATA BUS1 |
| 41 | D0 | I/O | DATA BUS0 |
| 42 | AB15 | I | ADDRESS BUS15 |
| 43 | VDD(+5V) | - | POWER |
| 44 | AB9 | I | ADDRESS BUS9 |
| 45 | AB10 | I | ADDRESS BUS10 |
| 46 | AB11 | I | ADDRESS BUS11 |
| 47 | AB6 | I | ADDRESS BUS6 |
| 48 | AB7 | I | ADDRESS BUS7 |
