DIAMOND FLOWER INC.
MIO-550
| 
 
  | 
Data bus: 16-bit, ISA
Size: Half-length, full-height card
Hard drives supported: Two IDE (AT) Interface drives
Floppy drives supported: Two 360KB, 720KB, 1.2MB, or 1.44MB drives
| 
 CONNECTIONS  | |
| 
 Function  | 
 Location  | 
| 
 2-pin connector-drive active LED  | 
 CN1  | 
| 
 34-pin data cable connector-floppy drive  | 
 CN2  | 
| 
 16-pin connector-game port  | 
 CN3  | 
| 
 10-pin connector-serial port 2  | 
 CN4  | 
| 
 40-pin IDE (AT) Interface connector-internal  | 
 CN5  | 
| 
 DB-9 male connector-serial port 1  | 
 CN6  | 
| 
 DB-25 female connector-parallel port  | 
 CN7  | 
| 
 USER CONFIGURABLE SETTINGS  | |||
| 
 Function  | 
 Location  | 
 Setting  | |
| » | 
 Serial Port 1 (CN6) DMA disabled  | 
 JP1  | 
 open  | 
| 
 Serial Port 1 (CN6) DMA enabled  | 
 JP1  | 
 closed  | |
| » | 
 Serial Port 2 (CN4) DMA disabled  | 
 JP1A  | 
 open  | 
| 
 Serial Port 2 (CN4) DMA enabled  | 
 JP1A  | 
 closed  | |
| » | 
 Baud rate up to 448Kbps (Clock input is 7.3728)  | 
 JP2  | 
 pins 1 & 2 closed  | 
| 
 Baud rate up to 56Kbps (Clock input is 1.8432)  | 
 JP2  | 
 pins 2 & 3 closed  | |
| » | 
 Game port enabled  | 
 JP3/jumper 11  | 
 closed  | 
| 
 Game port disabled  | 
 JP3/jumper 11  | 
 open  | |
| » | 
 Floppy drive enabled  | 
 JP3/jumper 12  | 
 closed  | 
| 
 Floppy drive disabled  | 
 JP3/jumper 12  | 
 open  | |
| » | 
 Hard drive enabled  | 
 JP3/jumper 13  | 
 closed  | 
| 
 Hard drive disabled  | 
 JP3/jumper 13  | 
 open  | |
| 
 SERIAL PORT CONFIGURATION JUMPERS - JP3 JUMPERS 1-4 - SERIAL PORT 1 (DEFAULT SETTING = » )JUMPERS 5-8 - SERIAL PORT 2 (DEFAULT SETTING = »Í ) | |||||
| 
 COM  | 
 Jumper 1/5  | 
 Jumper 2/6  | 
 Jumper 3/7  | 
 Jumper 4/8  | |
| » | 
 COM1 (3F8)  | 
 open  | 
 open  | 
 open  | 
 closed  | 
| » | 
 í COM2 (2F8) | 
 open  | 
 closed  | 
 open  | 
 open  | 
| 
 COM3 (3E8)  | 
 open  | 
 open  | 
 closed  | 
 open  | |
| 
 COM4 (2E8)  | 
 closed  | 
 open  | 
 open  | 
 open  | |
| 
 PARALLEL PORT CONFIGURATION JUMPERS - JP3  | |||
| 
 LPT  | 
 JP3 Jumper 9  | 
 JP3 Jumper 10  | |
| » | 
 LPT1 (378)  | 
 open  | 
 closed  | 
| 
 LPT2 (278)  | 
 closed  | 
 open  | |
| 
 SERIAL PORT IRQ JUMPERS - JP4 JUMPERS 1-4 - SERIAL PORT 1 (DEFAULT SETTING = » )JUMPERS 5-8 - SERIAL PORT 2 (DEFAULT SETTING = »Í ) | |||||
| 
 IRQ  | 
 Jumper 1/5  | 
 Jumper 2/6  | 
 Jumper 3/7  | 
 Jumper 4/8  | |
| 
 IRQ2  | 
 closed  | 
 open  | 
 open  | 
 open  | |
| 
 IRQ5  | 
 open  | 
 closed  | 
 open  | 
 open  | |
| » | 
 IRQ4  | 
 open  | 
 open  | 
 closed  | 
 open  | 
| » | 
 í IRQ3 | 
 open  | 
 open  | 
 open  | 
 closed  | 
| 
 PARALLEL PORT IRQ  | |||
| 
 IRQ  | 
 JP4 Jumper 9  | 
 JP4 Jumper 10  | |
| 
 IRQ5  | 
 closed  | 
 open  | |
| » | 
 IRQ7  | 
 open  | 
 closed  | 
| 
 SERIAL PORT DMA MODE SELECT JUMPERS - JP5 PINS 1-8 - SERIAL PORT 1 (DEFAULT SETTING = » )PINS 9-16 - SERIAL PORT 2 (DEFAULT SETTING = »Í ) | |||
| 
 DMA  | 
 Serial Port 1 (CN6)  | 
 Serial Port 2 (CN4)  | |
| » | 
 Receive DMA1  | 
 pins 3 & 4 and 7 & 8 closed  | 
 pins 11 & 12 and 15 & 16 closed  | 
| 
 Transmit DMA1  | 
 pins 1 & 3 and 7 & 8 closed  | 
 pins 9 & 11 and 15 & 16 closed  | |
| » | 
 í Receive DMA3 | 
 pins 2 & 4 and 5 & 6 closed  | 
 pins 10 & 12 and 13 & 14 closed  | 
| 
 Transmit DMA3  | 
 pins 1 & 2 and 5 & 6 closed  | 
 pins 9 & 10 and 13 & 14 closed  | |