RMT SYSTEMS, INC.

RMT2001-F2H2

Data bus: 8-bit, ISA

Size: Full-length, full-height card

Hard drives supported: Two MFM ST506/ST412 drives (5MB to 140MB)

Floppy drives supported: Two 360KB, 720KB, 1.2MB, or 1.44MB

Maximum heads/cyl.: 16 heads and 1024 cylinders

CONNECTIONS

Function

Location

34-pin control cable connector-hard drive

J1

20-pin data cable connector-drive 0

J2

20-pin data cable connector-drive 1

J3

34-pin data cable connector-floppy drive

J4

USER CONFIGURABLE SETTINGS

Function

Location

Setting

»

Drive 0 has 8 heads or less

JP1

pins 4 & 6 closed

 

Drive 0 has more than 8 heads

JP1

pins 2 & 4 closed

»

Drive 1 has 8 heads or less

JP1

pins 1 & 3 closed

 

Drive 1 has more than 8 heads

JP1

pins 3 & 5 closed

»

Single speed floppyDrive (Dual-speed not supported)

JP2

open

»

Hard drive port address 1F0-1F7h

JP3/jumper 1

closed

 

Hard drive port address 170-177h

JP3/jumper 1

open

»

Floppy drive port address 3F0-3F7h

JP3/jumper 2

closed

 

Floppy drive port address 370-377h

JP3/jumper 2

open

»

Factory configured - do not alter

JP3/jumper 3

open

»

Factory configured - do not alter

JP3/jumper 4

open

»

Hard Drive Interrupt is IRQ5

JP4

pins 1 & 2 closed

 

Hard Drive Interrupt is IRQ2 (Not supported)

JP4

pins 2 & 3 closed

»

Select IRQ6

JP5/jumpers 1-6

closed

»

Select DMA Channel 2

JP6/jumpers 1-6

closed

Note: JP3/jumpers 3 and 4 allows you to use one EPROM for both BIOS's. Closing JP3/3 connects A13 to socket U12 (pin 26)

Closing JP3/4 redirects the hard drive BIOS select to socket U12 (pin 27)

BIOS ADDRESS

Address

JP3/jumper 5

JP3/jumper 6

CC00h

closed

open

CE00h

open

closed

HARD DRIVE TYPE

 

HARD DRIVE 0

HARD DRIVE 1

HD Type

SW1/switch 5

SW1/switch 6

SW1/switch 7

SW1/switch 8

1

closed

closed

closed

closed

2

open

closed

open

closed

3

closed

open

closed

open

4

open

open

open

open

FLOPPY DRIVE TYPE

 

FLOPPY DRIVE 1

FLOPPY DRIVE 2

Type

SW1/switch 1

SW1/switch 2

SW1/switch 3

SW1/switch 4

360KB

open

open

open

open

1.2MB

open

closed

open

closed

720KB

closed

open

closed

open

1.44MB

closed

closed

closed

closed

HARD DRIVE TYPES SUPPORTED

DRIVE TYPE

HEADS

CYLINDERS

RWC

PRECOMP.

STEP RATE

1

6

640

210

210

18 m s

2

6

820

none

410

18 m s

3

5

733

none

367

18 m s

4

4

615

none

307

30 m s