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 | |