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

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