UNIDENTIFIED
CI-91 (SMD)
Card Type |
Hard drive controller |
Hard Drives supported |
Two IDE (AT/XT) drives |
Floppy drives supported |
Two 360KB, 720KB, 1.2MB, or 1.44MB drives |
Data Bus |
16-bit ISA |
Card Size |
Half-length, full-height |
CONNECTIONS | |||
Function |
Label |
Function |
Label |
9-pin serial port 1 - external |
J1 |
10-pin serial port 2 - internal |
JP4 |
25-pin parallel port - external |
J2 |
4-pin connector - drive active LED |
JP5 |
40-pin IDE(AT) connector |
JP1 |
16-pin game port |
JP6 |
34-pin cable connector - floppy drive |
JP3 |
USER CONFIGURABLE SETTINGS | ||
Function |
Label |
Position |
Single hard drive connected to controller |
JP2 |
Closed |
Two hard drives connected to controller |
JP2 |
Open |
PC/XT mode enabled |
JP13 |
Pins 1 & 2 closed |
PC/AT mode enabled |
JP13 |
Pins 2 & 3 closed |
Floppy drive interface enabled |
JP14 |
Pins 2 & 3 closed |
Floppy drive interface disabled |
JP14 |
Pins 1 & 2 closed |
IDE(AT) interface address is 316h, 317h, 110h |
JP15 |
Pins 1 & 2 closed |
IDE(AT) interface address is 376h, 377h, 170h |
JP15 |
Pins 2 & 3 closed |
IDE(AT) interface enabled |
JP16 |
Pins 2 & 3 closed |
IDE(AT) interface disabled |
JP16 |
Pins 1 & 2 closed |
Floppy drive order is normal (A:, B:) |
JP17 |
Pins 2 & 3 closed |
Floppy drive order is reversed (B:, A:) |
JP17 |
Pins 1 & 2 closed |
Floppy drive address is 3F0h |
JP18 |
Pins 1 & 2 closed |
Floppy drive address is 370h |
JP18 |
Pins 2 & 3 closed |
Parallel port is uni-directional |
JP20 |
Closed |
Parallel port is bi-directional |
JP20 |
Open |
PARALLEL PORT ADDRESS SELECTION | ||
Setting |
JP11 |
JP12 |
LPT1 (378h) |
Pins 2 & 3 closed |
Pins 1 & 2 closed |
LPT2 (278h) |
Pins 1 & 2 closed |
Pins 2 & 3 closed |
LPT3 (3BCh) |
Pins 2 & 3 closed |
Pins 2 & 3 closed |
Disabled |
Pins 1 & 2 closed |
Pins 1 & 2 closed |
SERIAL PORT 1 ADDRESS SELECTION | ||
Setting |
JP7 |
JP8 |
COM1 (3F8h) |
Pins 2 & 3 closed |
Pins 1 & 2 closed |
COM3 (3E8h) |
Pins 1 & 2 closed |
Pins 2 & 3 closed |
COM4 (2E8h) |
Pins 2 & 3 closed |
Pins 2 & 3 closed |
Disabled |
Pins 1 & 2 closed |
Pins 1 & 2 closed |
SERIAL PORT 2 ADDRESS SELECTION | ||
Setting |
JP9 |
JP10 |
COM2 (2F8h) |
Pins 2 & 3 closed |
Pins 1 & 2 closed |
COM3 (3E8h) |
Pins 2 & 3 closed |
Pins 2 & 3 closed |
COM4 (2E8h) |
Pins 1 & 2 closed |
Pins 2 & 3 closed |
Disabled |
Pins 1 & 2 closed |
Pins 1 & 2 closed |
SERIAL PORT 1 INTERRUPT SELECTION | |||
IRQ |
JP19/1 |
JP19/2 |
JP19/3 |
IRQ3 |
Open |
Closed |
Open |
IRQ4 |
Closed |
Open |
Open |
IRQ5 |
Open |
Open |
Closed |
SERIAL PORT 2 INTERRUPT SELECTION | |||
IRQ |
JP19/4 |
JP19/5 |
JP19/6 |
IRQ3 |
Closed |
Open |
Open |
IRQ4 |
Open |
Closed |
Open |
IRQ5 |
Open |
Open |
Closed |
PARALLEL PORT INTERRUPT SELECTION | ||
IRQ |
JP19/7 |
JP19/8 |
IRQ5 |
Open |
Closed |
IRQ7 |
Closed |
Open |