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 |