BTC1901 Hard Disk/Floppy Controller Settings and Configuration
BEHAVIOR TECH COMPUTER CORPORATION
BTC1901
Data bus: 16-bit, ISA
Size: Half-length, full-height card
Hard drives supported: Two IDE (AT) Interface drives
Floppy drives supported: Two 360KB, 720KB, 1.2MB, or 1.44MB
CONNECTIONS | |
Function | Location |
40-pin AT Interface (IDE) connector-internal | CN1 |
34-pin control cable connector-floppy disk | CN2 |
16-pin game port-internal | CN3 |
9-pin serial port (COM2/4)-internal | CN4 |
9-pin serial port (COM1/3)-external | CN5 |
Parallel port (LPT1/2)-external | CN6 |
USER CONFIGURABLE SETTINGS | |||
Function | Location | Setting | |
| » | IRQ7 (LPT1 interrupt request) | J2 | pins 1 & 2 closed |
IRQ5 (LPT2 interrupt request) | J2 | pins 2 & 3 closed | |
| » | CN5 is set to COM1 | J3 | pins 1 & 2 closed |
CN5 is set to COM3 | J3 | pins 2 & 3 closed | |
| » | CN4 is set to COM2 | J4 | pins 1 & 2 closed |
CN4 is set to COM4 | J4 | pins 2 & 3 closed | |
| » | CN6 is set to LPT1 | J5 | pins 1 & 2 closed |
CN6 is set to LPT2 | J5 | pins 2 & 3 closed | |
| » | COM1/3 enabled | J6 | closed |
COM1/3 disabled | J6 | open | |
| » | COM2/4 enabled | J7 | closed |
COM2/4 disabled | J7 | open | |
| » | LPT1/2 enabled | J8 | closed |
LPT1/2 disabled | J8 | open | |
| » | Hard drive enabled | J9 | closed |
Hard drive disabled | J9 | open | |
| » | Floppy address 3F0-3F7h | J10 | open |
Floppy address 370-377h | J10 | closed | |
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