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CX-I

UNIDENTIFIED

CX-I

Q3 /95

Data bus: 8-bit, ISA

Size: Half-length, full-height card

Hard drives supported: Two IDE (AT/XT) Interface drive

Floppy drives supported: None

CONNECTIONS

Function

Location

40-pin IDE (AT/XT) Interface

J2

4-pin connector-drive active LED

J4

BIOS ADDRESS SELECTION

Address

J1/1

J1/2

J1/3

J1/4

C8000h

closed

open

open

open

 

CA000h

open

closed

open

open

 

CC000h

open

open

closed

open

 

CE000h

open

open

open

closed

USER CONFIGURABLE SETTINGS

Function

Location

Setting

IDE (AT/XT) interface enabled

J3

closed

 

IDE (AT/XT) interface disabled

J3

open

ALE (Address Latch Enabled) signal enabled

J5

closed

 

ALE (Address Latch Enabled) signal disabled

J5

open

PDIAG (Pass Diagnostics) disabled

J6

open

 

PDIAG (Pass Diagnostics) enabled

J6

closed

IOCHRDY signal disabled

J7

open

 

IOCHRDY signal enabled

J7

closed

AEN (Address Enable) signal disabled

J16

open

 

AEN (Address Enable) signal connected to pin 21

J16/pins 1 & 2

closed

 

IDE connector/ Pins 21 & 37 are connected

J16/pins 2 & 3

closed

IRQ 5 select

J17/pins 1 & 2

closed

 

IRQ 5 reserved

J17/pins 2 & 3

closed

AT/XT bus drive selected

J10/pins 1 & 2

closed

 

AT/XT bus drive reserved

J10/pins 2 & 3

closed

IDE BUS TYPE SELECTION

Bus Type

J8

J9

J11

J12

J13

J14

J15

AT

1 & 2

1 & 2

1 & 2

1 & 2

open

closed

closed

 

XT

2 & 3

2 & 3

2 & 3

2 & 3

closed

open

open

Note: Designated pins are in the closed position.

IDE DRIVE SELECTION

Drive

J18

J19

AT

pins 2 & 3 closed

pins 1 & 2 closed

 

XT

pins 2 & 3 closed

pins 2 & 3 closed

 

XT

pins 1 & 2 closed

pins 2 & 3 closed

 

XT

pins 1 & 2 closed

pins 1 & 2 closed