MIO-550 (REV.C/D) Hard Disk/Floppy Controller Settings and Configuration
DIAMOND FLOWER, INC.
MIO-550 (REV.C/D)
Card Type | Hard drive controller |
Hard Drives supported | Two IDE (AT) drives |
Floppy drives supported | Two 360KB, 720KB, 1.2MB, or 1.44MB drives |
Data Bus | 16-bit ISA |
Card Size | Half-length, full-height |
CONNECTIONS | |||
Function | Location | Function | Location |
2-pin connector - drive active LED | J1 | 40-pin IDE(AT) connector | J5 |
34-pin cable connector - floppy drive | J2 | 9-pin serial port 1 - external | J6 |
16-pin game port | J3 | 25-pin parallel port - external | J8 |
10-pin serial port 2 - internal | J4 | ||
USER CONFIGURABLE SETTINGS | |||
Function | Label | Position | |
| » | Serial port 1 DMA enabled | JP1/pins 1 & 3 | Closed |
| Serial port 1 DMA disabled | JP1/pins 1 & 3 | Open | |
| » | Serial port 2 DMA enabled | JP1/pins 2 & 4 | Closed |
| Serial port 2 DMA disabled | JP1/pins 2 & 4 | Open | |
| » | 1.8432MHz input clock of UART enabled | JP2 | Pins 2 & 3 closed |
| 7.3728MHz input clock of UART enabled | JP2 | Pins 1 & 2 closed | |
| » | Game port enabled | JP3/11 | Closed |
| Game port disabled | JP3/11 | Open | |
| » | Floppy drive interface enabled | JP3/12 | Closed |
| Floppy drive interface disabled | JP3/12 | Open | |
| » | IDE(AT) interface enabled | JP3/13 | Closed |
| IDE(AT) interface disabled | JP3/13 | Open | |
| » | Parallel port is uni-directional | JP6 | Closed |
| Parallel port is bi-directional | JP6 | Open | |
Note:When the 1.8432MHz is selected, the MIO-550 supports up to 56K bps. When the 7.3728MHz clock is selected, the MIO-550 supports up to 448K bps. | |||
SERIAL PORT 1 DMA CHANNEL SELECTION | |||||
Channel | JP5/pins 1 & 2 | JP5/pins 3 & 4 | JP5/pins 5 & 6 | JP5/pins 7 & 8 | |
| » | 1 (receive) | Open | Closed | Open | Closed |
1 (transmit) | Pins 1 & 3 closed | Open | Closed | ||
3 (receive) | Pins 2 & 4 closed | Closed | Open | ||
3 (transmit) | Closed | Open | Closed | Open | |
Note:When selecting DMA, make sure JP1/pins 1 & 3 are closed. | |||||
SERIAL PORT 2 DMA CHANNEL SELECTION | |||||
Channel | JP5/pins 9 & 10 | JP5/pins 11 & 12 | JP5/pins 13 & 14 | JP5/pins 15 & 16 | |
1 (receive) | Open | Closed | Open | Closed | |
1 (transmit) | Pins 9 & 11 closed | Open | Closed | ||
| » | 3 (receive) | Pins 10 & 12 closed | Closed | Open | |
3 (transmit) | Closed | Open | Closed | Open | |
Note:When selecting DMA, make sure JP1/pins 2 & 4 are closed. | |||||
PARALLEL PORT ADDRESS SELECTION | |||
Setting | JP3/9 | JP3/10 | |
| » | LPT1 (378h) | Open | Closed |
LPT2 (278h) | Closed | Open | |
Disabled | Open | Open | |
SERIAL PORT 1 ADDRESS SELECTION | |||||
Setting | JP3/1 | JP3/2 | JP3/3 | JP3/4 | |
| » | COM1 (3F8h) | Open | Open | Open | Closed |
COM2 (2F8h) | Open | Closed | Open | Open | |
COM3 (3E8h) | Open | Open | Closed | Open | |
COM4 (2E8h) | Closed | Open | Open | Open | |
Disabled | Open | Open | Open | Open | |
SERIAL PORT 2 ADDRESS SELECTION | |||||
Setting | JP3/5 | JP3/6 | JP3/7 | JP3/8 | |
COM1 (3F8h) | Open | Open | Open | Closed | |
| » | COM2 (2F8h) | Open | Closed | Open | Open |
COM3 (3E8h) | Open | Open | Closed | Open | |
COM4 (2E8h) | Closed | Open | Open | Open | |
Disabled | Open | Open | Open | Open | |
SERIAL PORT 1 INTERRUPT SELECTION | |||||
IRQ | JP4/1 | JP4/2 | JP4/3 | JP4/4 | |
IRQ2 | Closed | Open | Open | Open | |
IRQ3 | Open | Open | Open | Closed | |
| » | IRQ4 | Open | Open | Closed | Open |
IRQ5 | Open | Closed | Open | Open | |
SERIAL PORT 2 INTERRUPT SELECTION | |||||
IRQ | JP4/5 | JP4/6 | JP4/7 | JP4/8 | |
IRQ2 | Closed | Open | Open | Open | |
| » | IRQ3 | Open | Open | Open | Closed |
IRQ4 | Open | Open | Closed | Open | |
IRQ5 | Open | Closed | Open | Open | |
PARALLEL PORT INTERRUPT SELECTION | |||
IRQ | JP4/9 | JP4/10 | |
IRQ5 | Closed | Open | |
| » | IRQ7 | Open | Closed |
My Books
