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 |