ABC COMPUTER COMPANY, LTD.
ABCA3291
Data bus: | 16-bit, ISA |
Size: | Half-length, full-height card |
Hard drives supported: | Two IDE(AT) drives |
Floppy drives supported: | Two 360KB, 720KB, 1.2MB, or 1.44MB |

CONNECTIONS | |
Function | Location |
40-pin AT Interface (IDE) connector | CN1 |
2-pin connector-Drive active LED | CN2 |
34-pin control cable connector-floppy drive | CN3 |
10-pin serial port (COM2/4) - internal | CN4 |
10-pin serial port (COM1/3) - internal | CN5 |
15-pin game port - external | CN6 |
25-pin parallel port (LPT1/2) - external | CN7 |
USER CONFIGURABLE SETTINGS | |||
Function | Location | Setting | |
| » | Floppy drive enabled | JP1 | pins 2 & 3 closed |
Floppy drive disabled | JP1 | pins 1 & 2 closed | |
| » | Serial Port 1 (CN5) is set to COM1 | JP6 | open |
Serial Port 1 (CN5) is set to COM3 | JP6 | closed | |
| » | Serial Port 2 (CN4) is set to COM2 | JP7 | open |
Serial Port 2 (CN4) is set to COM4 | JP7 | closed | |
| » | Game Port (CN6) enabled | JP8 | pins 2 & 3 closed |
Game Port (CN6) disabled | JP8 | pins 1 & 2 closed | |
| » | Serial Port 2 (CN4) uses IRQ3 | JP9 | pins 1 & 2 closed |
Serial Port 2 (CN4) uses IRQ5 | JP9 | pins 2 & 3 closed | |
| » | Serial Port 1 (CN5) uses IRQ4 | JP10 | pins 1 & 2 closed |
Serial Port 1 (CN5) uses IRQ9 | JP10 | pins 2 & 3 closed | |
| » | Parallel Port (CN7) uses IRQ7 | JP11 | pins 2 & 3 closed |
Parallel Port (CN7) uses IRQ5 | JP11 | pins 1 & 2 closed | |
| » | Hard drive enabled | JP12 | pins 2 & 3 closed |
Hard drive disabled | JP12 | pins 1 & 2 closed | |
SERIAL PORT CONFIGURATION | ||||
Serial Port 1 (CN5) | Serial Port 2 (CN4) | Jumper JP2 | Jumper JP3 | |
| » | Enabled | Enabled | pins 2 & 3 closed | pins 2 & 3 closed |
Disabled | Enabled | pins 2 & 3 closed | pins 1 & 2 closed | |
Enabled | Disabled | pins 1 & 2 closed | pins 2 & 3 closed | |
Disabled | Disabled | pins 1 & 2 closed | pins 1 & 2 closed | |
PARALLEL PORT CONFIGURATION | ||
CN7 | Jumper JP4 | Jumper JP5 |
LPT1 enabled | pins 2 & 3 closed | pins 2 & 3 closed |
LPT2 enabled | pins 1 & 2 closed | pins 2 & 3 closed |
Disabled | pins 1 & 2 closed | pins 1 & 2 closed |