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MIO-2050

DIAMOND FLOWER, INC.

MIO-2050

Data bus:

32-bit VL-bus

Size:

Three-quarter length, half-height card

Hard drive supported:

Four IDE(AT) drives

Floppy drives supported:

Two 360KB, 720KB, 1.2MB, or 1.44MB drives

CONNECTIONS

Function

Location

40-pin primary IDE(AT) connector

J1

40-pin secondary IDE(AT) connector

J2

34-pin cable connector - floppy drive

J3

16-pin game port

J4

10-pin serial port 1 - internal

J5

10-pin serial port 2 - internal

J6

25-pin parallel port - external

J7

2-pin connector - drive active LED

J9

USER CONFIGURABLE SETTINGS

Function

Location

Setting

IDE(AT) interface enabled

JP1/A

Pins 2 & 3 closed

 

IDE(AT) interface disabled

JP1/A

Pins 1 & 2 closed

VLB speed is 50 MHz

JP1/C

Pins 2 & 3 closed

 

VLB speed is 33 MHz

JP1/C

Pins 1 & 2 closed

Floppy drive order is normal (A:, B)

JP2/A

Pins 2 & 3 closed

 

Floppy drive order is reversed (B:, A)

JP2/A

Pins 1 & 2 closed

Floppy I/O address is 3F0-3F7h

JP2/B

Pins 2 & 3 closed

 

Floppy I/O address is 370-377h

JP2/B

Pins 1 & 2 closed

USER CONFIGURABLE SETTINGS (CONTINUED)

Function

Location

Setting

Floppy drive interface enabled

JP2/C

Pins 2 & 3 closed

 

Floppy drive interface disabled

JP2/C

Pins 1 & 2 closed

Secondary IDE IOCHRDY signal disabled

JP3

Open

 

Secondary IDE IOCHRDY signal enabled

JP3

Closed

Primary IDE IOCHRDY signal enabled

JP4

Closed

 

Primary IDE IOCHRDY signal disabled

JP4

Open

Parallel port is uni-directional

JP6

Closed

 

Parallel port is bi-directional

JP6

Open

Parallel port IRQ 7 select

JP7

Pins 1 & 2 closed

 

Parallel port IRQ 5 select

JP7

Pins 3 & 4 closed

Game port enabled

JP8

Closed

 

Game port disabled

JP8

Open

IDE MODE SELECTION

Setting

JP1/D

JP1/E

Mode 0 / cycle 600ns

Pins 2 & 3 closed

Pins 2 & 3 closed

 

Mode 1 / cycle 500ns

Pins 1 & 2 closed

Pins 2 & 3 closed

 

Mode 2 / cycle 400ns

Pins 2 & 3 closed

Pins 1 & 2 closed

 

Mode 3 / cycle 240ns

Pins 1 & 2 closed

Pins 1 & 2 closed

IDE I/O ADDRESS SELECTION

Setting

JP1/B

JP9

IDE I/O address is 170h or 1F0h

Pins 2 & 3 closed

Pins 1 & 2 closed

 

IDE I/O address is 1F0h only

Pins 1 & 2 closed

Pins 2 & 3 closed

PARALLEL PORT ADDRESS SELECTION

LPT

JP5/E

JP5/F

LPT1 (378h)

Pins 2 & 3 closed

Pins 2 & 3 closed

 

LPT2 (278h)

Pins 1 & 2 closed

Pins 1 & 2 closed

 

LPT3 (3BCh)

Pins 1 & 2 closed

Pins 2 & 3 closed

 

Disabled

Pins 2 & 3 closed

Pins 1 & 2 closed

SERIAL PORT 1 ADDRESS SELECTION

COM

JP5/A

JP5/B

COM1 (3F8h)

Pins 2 & 3 closed

Pins 2 & 3 closed

 

COM3 (3E8h)

Pins 1 & 2 closed

Pins 1 & 2 closed

 

Disabled

Pins 1 & 2 closed

Pins 2 & 3 closed

SERIAL PORT 2 ADDRESS SELECTION

COM

JP5/C

JP5/D

COM2 (2F8h)

Pins 2 & 3 closed

Pins 2 & 3 closed

 

COM4 (2E8h)

Pins 1 & 2 closed

Pins 1 & 2 closed

 

Disabled

Pins 1 & 2 closed

Pins 2 & 3 closed

PARALLEL PORT IRQ SELECTION

Setting

JP7/pins 1 & 2

JP7/pins 3 & 4

IRQ 7

Pins 2 & 3 closed

Pins 1 & 2 closed

 

IRQ 5

Pins 1 & 2 closed

Pins 2 & 3 closed