UNIDENTIFIED
PRIME 2C MKIII
|
Card Type |
Hard drive controller |
|
Hard Drives supported |
Two IDE (AT) drives |
|
Floppy drives supported |
Two 360KB, 720KB, 1.2MB, or 1.44MB drives |
|
Data Bus |
16-bit ISA |
|
Card Size |
Half-length, half-height |
|
CONNECTIONS | |||
|
Function |
Label |
Function |
Label |
|
16-pin game port |
CON1 |
10-pin serial port 2 - internal |
CON5 |
|
10-pin serial port 1 - internal |
CON2 |
40-pin IDE(AT) connector |
CON6 |
|
25-pin parallel port - external |
CON3 |
Drive active LED |
CON7 |
|
34-pin cable connector - floppy drive |
CON4 |
9-pin serial port - external |
CON8 |
|
USER CONFIGURABLE SETTINGS | ||
|
Function |
Label |
Position |
|
Floppy drive interface enabled |
J1 |
Pins 1 & 2 closed |
|
Floppy drive interface disabled |
J1 |
Pins 2 & 3 closed |
|
Primary floppy drive enabled |
J2 |
Pins 1 & 2 closed |
|
Secondary floppy drive disabled |
J2 |
Pins 2 & 3 closed |
|
IDE(AT) interface enabled |
J3 |
Pins 1 & 2 closed |
|
IDE(AT) interface disabled |
J3 |
Pins 2 & 3 closed |
|
Primary IDE drive enabled |
J4 |
Pins 1 & 2 closed |
|
Secondary IDE drive disabled |
J4 |
Pins 2 & 3 closed |
|
Game port enabled |
J11 |
Pins 1 & 2 closed |
|
Game port disabled |
J11 |
Pins 2 & 3 closed |
|
PD0-PD7 output enabled |
J16 |
Pins 1 & 2 closed |
|
PD0-PD7 output disabled |
J16 |
Pins 2 & 3 closed |
|
PARALLEL PORT ADDRESS SELECTION | ||
|
Setting |
J9 |
J10 |
|
LPT1 (378h) |
Pins 1 & 2 closed |
Pins 1 & 2 closed |
|
LPT2 (278h) |
Pins 1 & 2 closed |
Pins 2 & 3 closed |
|
Disabled |
Pins 2 & 3 closed |
N/A |
|
SERIAL PORT 1 ADDRESS SELECTION | ||
|
Setting |
J5 |
J6 |
|
COM1 (3F8h) |
Pins 1 & 2 closed |
Pins 1 & 2 closed |
|
COM3 (3E8h) |
Pins 1 & 2 closed |
Pins 2 & 3 closed |
|
Disabled |
Pins 2 & 3 closed |
N/A |
|
SERIAL PORT 2 ADDRESS SELECTION | ||
|
Setting |
J7 |
J8 |
|
COM2 (2F8h) |
Pins 1 & 2 closed |
Pins 1 & 2 closed |
|
COM4 (2E8h) |
Pins 1 & 2 closed |
Pins 2 & 3 closed |
|
Disabled |
Pins 2 & 3 closed |
N/A |
|
SERIAL PORT 1 INTERRUPT SELECTION | ||||
|
IRQ |
J12/pins 1 & 2 |
J13/pins 1 & 2 |
J14/pins 1 & 2 |
J15/pins 1 & 2 |
|
IRQ3 |
Open |
Closed |
Open |
Open |
|
IRQ4 |
Open |
Open |
Closed |
Open |
|
IRQ5 |
Open |
Open |
Open |
Closed |
|
IRQ9 |
Closed |
Open |
Open |
Open |
|
SERIAL PORT 2 INTERRUPT SELECTION | ||||
|
IRQ |
J12/pins 2 & 3 |
J13/pins 2 & 3 |
J14/pins 2 & 3 |
J15/pins 2 & 3 |
|
IRQ3 |
Open |
Closed |
Open |
Open |
|
IRQ4 |
Open |
Open |
Closed |
Open |
|
IRQ5 |
Open |
Open |
Open |
Closed |
|
IRQ9 |
Closed |
Open |
Open |
Open |
