DTC2278EB (400529-89A) Hard Disk/Floppy Controller Settings and Configuration
DATA TECHNOLOGY CORPORATION
DTC2278EB (400529-89A)
Card Type | Hard drive controller card |
Hard Drives supported | Four EIDE drives |
Floppy drives supported | Two 360KB, 720KB, 1.2MB, or 1.44MB drives |
Data Bus | 32-bit VESA Local Bus |
Card Size | Full-length, half-height card |
CONNECTIONS | |||
Function | Location | Function | Location |
25-pin parallel port - external | CN2 | 40-pin secondary IDE(AT) connector | J6 |
10-pin serial port 2 - internal | J2 | 40-pin primary IDE(AT) connector | J7 |
16-pin game port | J4 | 2-pin connector - drive active LED | J8 |
34-pin cable connector - floppy drive | J5 | ||
USER CONFIGURABLE SETTINGS | |||
Function | Label | Position | |
| » | Game port enabled | W6 | Closed |
| Game port disabled | W6 | Open | |
ECP DMA CHANNEL SELECTION | ||||
Channel | W1 | W2 | W3 | W4 |
1 | Closed | Open | Closed | Open |
3 | Open | Closed | Open | Closed |
PARALLEL PORT ADDRESS SELECTION | ||
Setting | W19 | W20 |
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 | W23 | W24 |
COM1 (3F8h) | Pins 1 & 2 closed | Pins 2 & 3 closed |
COM3 (3E8h) | Pins 2 & 3 closed | Pins 1 & 2 closed |
Disabled | Pins 1 & 2 closed | Pins 1 & 2 closed |
SERIAL PORT 2 ADDRESS SELECTION | ||
Setting | W21 | W22 |
COM2 (2F8h) | Pins 1 & 2 closed | Pins 2 & 3 closed |
COM4 (2E8h) | Pins 2 & 3 closed | Pins 1 & 2 closed |
Disabled | Pins 1 & 2 closed | Pins 1 & 2 closed |
BIOS ADDRESS SELECTION | |||
Address | W18 | W27 | W28 |
DC000h | Closed | Pins 1 & 2 closed | Pins 1 & 2 closed |
D8000h | Closed | Pins 1 & 2 closed | Pins 2 & 3 closed |
CC000h | Closed | Pins 2 & 3 closed | Pins 1 & 2 closed |
C8000h | Closed | Pins 2 & 3 closed | Pins 2 & 3 closed |
Disabled | Open | Open | Open |
SERIAL PORT 1 INTERRUPT SELECTION | |||
IRQ | W12 | W13 | W14 |
IRQ4 | Open | Open | Closed |
IRQ3 | Open | Closed | Open |
IRQ5 | Closed | Open | Open |
SERIAL PORT 2 INTERRUPT SELECTION | |||
IRQ | W9 | W10 | W11 |
IRQ3 | Open | Open | Closed |
IRQ4 | Open | Closed | Open |
IRQ5 | Closed | Open | Open |
PARALLEL PORT INTERRUPT SELECTION | ||
IRQ | W7 | W8 |
IRQ7 | Open | Closed |
IRQ5 | Closed | Open |
PARALLEL PORT MODE SELECTION | ||
Setting | W15 | W16 |
Uni-directional | Pins 2 & 3 closed | Pins 2 & 3 closed |
ECP & EPP | Pins 1 & 2 closed | Pins 2 & 3 closed |
EPP & Bi-Directional | Pins 2 & 3 closed | Pins 1 & 2 closed |
Invalid | Pins 1 & 2 closed | Pins 1 & 2 closed |
MISCELLANEOUS TECHNICAL NOTES |
Floppy is automatically enabled when cable is attached |
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