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Data bus:

16-bit, ISA

Size:

Full-length, full-height card

Hard drive supported:

Two RLL ST506/412 drives

Floppy drives supported:

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

Maximum heads/cyl.:

16 heads 2048 cylinders

Options

Feature F301R has an optional ROM BIOS with shadow Ram which enables controller to interface with all types of ESDI drives bypassing the systems ROM BIOS drive type tables. Feature F300R does not include ROM BIOS option and system ROM BIOS must contain appropriate drive parameters.

CONNECTIONS

Function

Location

34-pin data cable connector-floppy drive

CN1

20-pin data cable connector-drive 1

CN3

20-pin data cable connector-drive 0

CN4

34-pin control cable connector-hard drive

CN5

4-pin connector-drive active LED

CN6

USER CONFIGURABLE SETTINGS

Function

Location

Setting

Hard drives in latched mode

JP1/jumper 1

open

Hard drives in non-latched mode

JP1/jumper 1

closed

4 byte ECC

JP1/jumper 2

open

7 byte ECC

JP1/jumper 2

closed

Caching enabled

JP1/jumper 3

open

Caching disabled

JP1/jumper 3

closed

BIOS enabled

JP2

open

BIOS disabled

JP2

closed

Hard drive port address is 1F0-1F7h

JP3

open

Hard drive port address is 170-177h

JP3

closed

Floppy drive port address is 3F0-3F7h

JP4

open

Floppy drive port address is 370-377h

JP4

closed

Single speed floppy drives supported

JP5

open

Dual speed floppy drives supported

JP5

closed

Bracket ground option disabled

JP6

open

Bracket to board ground connected

JP6

closed

MISCELLANEOUS TECHNICAL NOTES

Not all jumpers are installed. You must solder those that are not present. Do not combine single- and dual-speed floppy drives on the same controller card. This controller has a built-in low-level format program. To enter the progam run the DEBUG utility supplied with DOS and at the prompt enter: G=CC00:5.