| name | tag | mask |
| High baud rate | BAUD_RATE_HIGH | 1 |
| DMAF2/3 FDC clock | FDC_CLOCK | 16777215 |
| DMAF2/3 expected density | FLOPPY_EXPECTED_DENSITY | 7 |
| DMAF2/3 FLEX expected sectors per side | FLOPPY_EXPECTED_SECTORS | 255 |
| DMAF2/3 FLEX track zero expected sectors per side | FLOPPY_TRACK_ZERO_EXPECTED_SECTORS | 255 |
| CPU clock | MAINCPU_CLOCK | 16777215 |
| PIA IDE PROM patch FLEX entry to 0xcd00 | PIAIDE_FLEX_BOOT_CD00 | 1 |
| SBUG patch for double density (SSO) disk boot | SBUG_DOUBLE_DENSITY | 1 |
| Data Bits | io0:mps2:rs232_lower:terminal:RS232_DATABITS | 255 |
| Parity | io0:mps2:rs232_lower:terminal:RS232_PARITY | 255 |
| RX Baud | io0:mps2:rs232_lower:terminal:RS232_RXBAUD | 255 |
| Stop Bits | io0:mps2:rs232_lower:terminal:RS232_STOPBITS | 255 |
| TX Baud | io0:mps2:rs232_lower:terminal:RS232_TXBAUD | 255 |
| Cursor | io0:mps2:rs232_lower:terminal:TERM_CONF | 1 |
| Type | io0:mps2:rs232_lower:terminal:TERM_CONF | 2 |
| Blinking | io0:mps2:rs232_lower:terminal:TERM_CONF | 4 |
| Invert | io0:mps2:rs232_lower:terminal:TERM_CONF | 8 |
| Color | io0:mps2:rs232_lower:terminal:TERM_CONF | 48 |
| Auto CR on LF | io0:mps2:rs232_lower:terminal:TERM_CONF | 64 |
| Auto LF on CR | io0:mps2:rs232_lower:terminal:TERM_CONF | 128 |
| Local echo | io0:mps2:rs232_lower:terminal:TERM_CONF | 256 |
| Layout | io0:mps2:rs232_lower:terminal:keyboard:GENKBD_CFG | 1 |
| Typematic Delay | io0:mps2:rs232_lower:terminal:keyboard:GENKBD_CFG | 6 |
| Typematic Rate | io0:mps2:rs232_lower:terminal:keyboard:GENKBD_CFG | 248 |
| Data Bits | io0:mps2:rs232_upper:terminal:RS232_DATABITS | 255 |
| Parity | io0:mps2:rs232_upper:terminal:RS232_PARITY | 255 |
| RX Baud | io0:mps2:rs232_upper:terminal:RS232_RXBAUD | 255 |
| Stop Bits | io0:mps2:rs232_upper:terminal:RS232_STOPBITS | 255 |
| TX Baud | io0:mps2:rs232_upper:terminal:RS232_TXBAUD | 255 |
| Cursor | io0:mps2:rs232_upper:terminal:TERM_CONF | 1 |
| Type | io0:mps2:rs232_upper:terminal:TERM_CONF | 2 |
| Blinking | io0:mps2:rs232_upper:terminal:TERM_CONF | 4 |
| Invert | io0:mps2:rs232_upper:terminal:TERM_CONF | 8 |
| Color | io0:mps2:rs232_upper:terminal:TERM_CONF | 48 |
| Auto CR on LF | io0:mps2:rs232_upper:terminal:TERM_CONF | 64 |
| Auto LF on CR | io0:mps2:rs232_upper:terminal:TERM_CONF | 128 |
| Local echo | io0:mps2:rs232_upper:terminal:TERM_CONF | 256 |
| Layout | io0:mps2:rs232_upper:terminal:keyboard:GENKBD_CFG | 1 |
| Typematic Delay | io0:mps2:rs232_upper:terminal:keyboard:GENKBD_CFG | 6 |
| Typematic Rate | io0:mps2:rs232_upper:terminal:keyboard:GENKBD_CFG | 248 |