PC9801標準スロットピンアサイン
| pin | sideA | sideB |
| 01 | GND | GND |
| 02 | V1 | V1 |
| 03 | V2 | V2 |
| 04 | AB001 | DB001 |
| 05 | AB011 | DB011 |
| 06 | AB021 | DB021 |
| 07 | AB031 | DB031 |
| 08 | AB041 | DB041 |
| 09 | AB051 | DB051 |
| 10 | AB061 | DB061 |
| 11 | GND | GND |
| 12 | AB071 | DB071 |
| 13 | AB081 | DB081 |
| 14 | AB091 | DB091 |
| 15 | AB101 | DB101 |
| 16 | AB111 | DB111 |
| 17 | AB121 | DB121 |
| 18 | AB131 | DB131 |
| 19 | AB141 | DB141 |
| 20 | AB151 | DB151 |
| 21 | GND | GND |
| 22 | AB161 | +12V |
| 23 | AB171 | +12V |
| 24 | AB181 | IR31 |
| 25 | AB191 | IR51 |
| 26 | AB201 | IR61 |
| 27 | AB211 | IR91 |
| 28 | AB221 | IR101 |
| 29 | AB231 | IR121 |
| 30 | INT0 | IR131 |
| 31 | GND | GND |
| 32 | IOCHK0 | -12V |
| 33 | IOR0 | -12V |
| 34 | IOWO | RESET |
| 35 | MRC0 | DACK00 |
| 36 | MWC0 | DACK30 |
| 37 | S00 | DRQ00 |
| 38 | S10 | DRQ30 |
| 39 | S20 | WORD0 |
| 40 | LOCK0 | CPKILL0 |
| 41 | GND | GND |
| 42 | CPUENB | RQGT0 |
| 43 | RFSH0 | DMATC0 |
| 44 | BHE0 | NMI0 |
| 45 | IORDY1 | MWE0 |
| 46 | SCLK1 | HLDA00/ |
| 47 | S18CLK1 | HRQ00 |
| 48 | POWER0 | DMAHLD0 |
| 49 | +5V | +5V |
| 50 | +5V | +5V |