Apple IIe
1. Super Serial Interface Card settings
Switch1
| Position | 1 | 2 | 3 | 4 | 5 | 6 | 7 |
| Closed (On) | - | x | x | x | - | X | x |
| Open (Off) | X | - | - | - | X | - | - |
Switch2
| Position | 1 | 2 | 3 | 4 | 5 | 6 | 7 |
| Closed (On) | X | x | - | - | - | - | x |
| Open (Off) | - | - | X | X | X | X | - |
Note: Jumper block points to TERMINAL
2. AppleWorks settings
a. Carriage: 11"
b. Linefeed after carriage return: YES
c. Underlining: The Diablo 620 API makes an underlines by printing the character, backspacing one character, and printing the underline.
d. Special Codes
Check the printer manual for additional codes:
| Description | Begin | End |
| Boldface | Esc W | Esc & |
| Underline | Esc R | Esc R |
| Superscript | Esc U | Esc D |
| Subscript | Esc D | Esc U |
| Proportional Spacing 1 | Esc P | Esc Q |
Cabling
| Super Serial Interface Card | Diablo 620 |
| DB-25 | DB-25 |
| 2 | 2 |
| 3 | 3 |
| 6 | 6 |
| 7 | 7 |
| 20 | 20 |
Diablo 620
Switch settings:
1 - On
2 - Off
3 - Off
4 - On
5 - Off
6 - Off
7 - Off
8 - On
(1200 baud, no parity, 8 data bits, 1 stop bit)