| name | tag | mask |
| Clock 1 | bus:2:dual_clk:CLOCK1 | 15 |
| Clock 2 | bus:2:dual_clk:CLOCK2 | 15 |
| Port B | bus:4:sio:JP1 | 1 |
| Data Bits | bus:4:sio:rs232a:terminal:RS232_DATABITS | 255 |
| Parity | bus:4:sio:rs232a:terminal:RS232_PARITY | 255 |
| RX Baud | bus:4:sio:rs232a:terminal:RS232_RXBAUD | 255 |
| Stop Bits | bus:4:sio:rs232a:terminal:RS232_STOPBITS | 255 |
| TX Baud | bus:4:sio:rs232a:terminal:RS232_TXBAUD | 255 |
| Cursor | bus:4:sio:rs232a:terminal:TERM_CONF | 1 |
| Type | bus:4:sio:rs232a:terminal:TERM_CONF | 2 |
| Blinking | bus:4:sio:rs232a:terminal:TERM_CONF | 4 |
| Invert | bus:4:sio:rs232a:terminal:TERM_CONF | 8 |
| Color | bus:4:sio:rs232a:terminal:TERM_CONF | 48 |
| Auto CR on LF | bus:4:sio:rs232a:terminal:TERM_CONF | 64 |
| Auto LF on CR | bus:4:sio:rs232a:terminal:TERM_CONF | 128 |
| Local echo | bus:4:sio:rs232a:terminal:TERM_CONF | 256 |
| Layout | bus:4:sio:rs232a:terminal:keyboard:GENKBD_CFG | 1 |
| Typematic Delay | bus:4:sio:rs232a:terminal:keyboard:GENKBD_CFG | 6 |
| Typematic Rate | bus:4:sio:rs232a:terminal:keyboard:GENKBD_CFG | 248 |