DTC2270 (90010-89B) Hard Disk/Floppy Controller Settings and Configuration
DATA TECHNOLOGY CORPORATION
DTC2270 (90010-89B)
Data bus: | 32-bit, VL-bus |
Size: | Three/quarter-length, full-height card |
Hard drive supported: | Two IDE (AT) Interface drives |
Floppy drives supported: | Two 360KB, 720KB, 1.2MB, or 1.44MB drives |
CONNECTIONS | |
Function | Location |
25-pin parallel port (LPT1/2/3) - external | J1 |
10-pin serial port 1 (COM1/3/4) - external | J2 |
10-pin serial port 2 (COM1/2/4) - internal | J3 |
15-pin game port - internal | J4 |
34-pin control cable connector-floppy drive | J5 |
40-pin AT Interface (IDE) connector | J6 |
4-pin connector-Drive active LED | J7 |
USER CONFIGURABLE SETTINGS | |||
Function | Location | Setting | |
| » | Parallel Port (J1) uses IRQ7 | W1 | pins 1 & 2 closed |
Parallel Port (J1) uses IRQ5 | W1 | pins 2 & 3 closed | |
| » | Floppy drive enabled | W3/jumper 7 | open |
Floppy drive disabled | W3/jumper 7 | closed | |
SERIAL PORTS INTERRUPT REQUEST CONFIGURATION - W2 | |||
| |||
IRQ | Location | Setting | |
| » | Serial Port 1 (J2) uses IRQ4 | W2 | pins 1 & 3 closed |
Serial Port 2 (J3) uses IRQ3 | pins 2 & 4 closed | ||
Serial Port 1 (J2) uses IRQ3 | W2 | pins 1 & 2 closed | |
Serial Port 2 (J3) uses IRQ4 | pins 3 & 4 closed | ||
SERIAL PORT 2 (J3) CONFIGURATION | |||
COM | W3/jumper 1 | W3/jumper 2 | |
COM1 (3F8h) | open | closed | |
| » | COM2 (2F8h) | open | open |
COM4 (238h) | closed | open | |
Disabled | closed | closed | |
PARALLEL PORT (J1) CONFIGURATION | |||
LPT | W3/jumper 3 | W3/jumper 4 | |
| » | LPT1 (378h) | open | closed |
LPT2 (278h) | open | open | |
LPT3 (3BCh) | closed | open | |
Disabled | closed | closed | |
SERIAL PORT 1 (J2) CONFIGURATION | |||
COM | W3/jumper 5 | W3/jumper 6 | |
| » | COM1 (3F8h) | open | open |
COM2 (2F8h) | closed | open | |
COM3 (338h) | open | closed | |
Disabled | closed | closed | |
DRIVE TRANSFER RATE CONFIGURATION - 33MHZ/66I MHZ MOTHERBOARDS | ||||||
Rate | W4/1 | W4/2 | W4/3 | W4/4 | W4/5 | |
| 8.3Mb/sec | open | open | open | open | open | |
7.3Mb/sec | open | open | open | closed | closed | |
6.6Mb/sec | open | open | closed | open | open | |
6.1Mb/sec | open | open | closed | open | closed | |
5.5Mb/sec | open | open | closed | closed | open | |
5.1Mb/sec | open | open | closed | closed | closed | |
4.8Mb/sec | open | closed | open | open | open | |
4.4Mb/sec | open | closed | open | open | closed | |
4.1Mb/sec | open | closed | open | closed | open | |
| » | 3.9Mb/sec | open | closed | open | closed | closed |
3.7Mb/sec | open | closed | closed | open | open | |
3.5Mb/sec | open | closed | closed | open | closed | |
3.3Mb/sec | open | closed | closed | closed | open | |
DRIVE TRANSFER RATE CONFIGURATION - 20, 25, 40 AND 50MHZ MOTHERBOARDS | |||||
Rate | W4/1 | W4/2 | W4/3 | W4/4 | W4/5 |
| 7.1Mb/sec | closed | open | open | open | open |
6.3Mb/sec | closed | open | open | closed | closed |
5.6Mb/sec | closed | open | closed | open | open |
5.0Mb/sec | closed | open | closed | open | closed |
4.5Mb/sec | closed | open | closed | closed | open |
4.2Mb/sec | closed | open | closed | closed | closed |
3.8Mb/sec | closed | closed | open | open | open |
3.6Mb/sec | closed | closed | open | open | closed |
3.3Mb/sec | closed | closed | open | closed | open |
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