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ACB-2370

ADAPTEC, INC.

ACB-2370

Data bus:

16-bit, ISA

Size:

Half-length, full-height card

Hard drives supported:

Two RLL ST506/412 drives

Floppy drives supported:

None

CONNECTIONS

Function

Location

20-pin data cable connector-drive 1

J1

20-pin data cable connector-drive 0

J2

34-pin control cable connector-hard drive

J3

3-pin connector-drive active LED

J5

Serial monitor output

J10

USER CONFIGURABLE SETTINGS

Function

Location

Setting

Hard drive port address 1F0-1F7h

J6/jumper 1

open

 

Hard drive port address 170-177h

J6/jumper 1

closed

Zero wait state enabled

J6/jumper 3

open

 

Zero wait state disabled

J6/jumper 3

closed

35 m sec step rate and recalibrate to 0 minus 1

J6/jumper 4

open

 

16 m sec step rate and recalibrate to 0

J6/jumper 4

closed

Serial monitor mode disabled

J6/jumper 6

open

 

Serial monitor mode enabled (2400 baud)

J6/jumper 6

closed

Hard drive Interrupt is IRQ14

J13

pins 1 & 2 closed

 

Hard drive Interrupt is IRQ15

J13

pins 2 & 3 closed

BIOS address C800h

J14

pins 1 & 2 closed

 

BIOS address CC00h

J14

pins 2 & 3 closed

 

BIOS disabled

J14

all pins open

MISCELLANEOUS TECHNICAL NOTES

Jumpers J6/jumper 2 and J6/jumper 5 are not used. Jumpers J4, J7, J8, J9, J11, J12 and J15 are for factory tests and should not be altered. Pins 3 & 4 on jumper J13 should never be closed. J13 or J14 should never have more than two pins closed at a time.