MP611 VL/787VL Hard Disk/Floppy Controller Settings and Configuration
UNIDENTIFIED
MP611 VL/787VL
Data bus: | 32-bit VL-bus |
Size: | Unidentified |
Hard drive supported: | Two IDE(AT) drives |
Floppy drives supported: | Two 360KB, 720KB, 1.2MB, or 1.44MB drives |
  DIAGRAM NOT AVAILABLE DOC # C0889 |
CONNECTIONS | |
Function | Location |
40-pin IDE(AT) connector | unidentified |
34-pin cable connector - floppy drive | unidentified |
Serial port 1 | unidentified |
Serial port 2 l | unidentified |
25-pin parallel port - external | unidentified |
Drive active LED | JP4 |
USER CONFIGURABLE SETTINGS | |||
Function | Location | Setting | |
| » | IDE(AT) interface enabled | JP5/Pins 1 & 2 | closed |
| IDE(AT) interface disabled | JP5/pins 2 & 3 | closed | |
| » | Factory configured - do not alter | JP6/pins 1 & 2 | closed |
| IDE ID# is bit1 | JP7/pins 1 & 2 | closed | |
| IDE ID# is bit0 | JP8/pins 2 & 3 | closed | |
| » | RDYRTN# signal source is LRDY# | JP9/pins 2 & 3 | closed |
| RDYRTN# signal source is CPURDY# | JP9/pins 1 & 2 | closed | |
| » | IDE(AT) IRQ 14 enabled | JP10 | closed |
| IDE(AT) IRQ 14 disabled | JP10 | open | |
| » | Floppy drive interface enabled | JP17/pins 1 & 2 | closed |
| Floppy drive interface disabled | JP17/pins 2 & 3 | closed | |
| » | Floppy drive address is 370-377h | JP18/pins 1 & 2 | closed |
| Floppy drive address is 3F0-3F7h | JP18/pins 2 & 3 | closed | |
| » | Parallel port is bi-directional | JP19 | open |
| Parallel port is uni-directional | JP19 | closed | |
SERIAL PORT 1 ADDRESS SELECTION | ||
COM | JP14 | JP15 |
| COM1 (3F8h) | pins 1 & 2 closed | pins 2 & 3 closed |
COM3 (3E8h) | pins 2 & 3 closed | pins 1 & 2 closed |
COM4 (2E8h) | pins 1 & 2 closed | pins 1 & 2 closed |
Disabled | pins 2 & 3 closed | pins 2 & 3 closed |
SERIAL PORT 2 ADDRESS SELECTION | ||
COM | JP11 | JP16 |
| COM2 (2F8h) | pins 2 & 3 closed | pins 1 & 2 closed |
COM3 (3E8h) | pins 1 & 2 closed | pins 1 & 2 closed |
COM4 (2E8h) | pins 1 & 2 closed | pins 2 & 3 closed |
Disabled | pins 2 & 3 closed | pins 2 & 3 closed |
PARALLEL PORT ADDRESS SELECTION | ||
LPT | JP12 | JP13 |
| LPT1 (378h) | pins 2 & 3 closed | pins 1 & 2 closed |
LPT2 (278h) | pins 1 & 2 closed | pins 2 & 3 closed |
LPT3 (3BCh) | pins 1 & 2 closed | pins 1 & 2 closed |
Disabled | pins 2 & 3 closed | pins 2 & 3 closed |
SERIAL PORT 1 INTERRUPT SELECTION | |||
IRQ | J7/Pins 1 & 9 | J7/Pins 2 & 10 | J7/Pins 3 & 11 |
3 | open | closed | open |
4 | closed | open | open |
5 | open | open | closed |
SERIAL PORT 2 INTERRUPT SELECTION | |||
IRQ | J7/Pins 4 & 12 | J7/Pins 5 & 13 | J7/Pins 6 & 14 |
3 | closed | open | open |
4 | open | closed | open |
5 | open | open | closed |
PARALLEL PORT INTERRUPT SELECTION | ||
IRQ | J7/Pins 7 & 15 | J7/Pins 8 & 16 |
7 | closed | open |
5 | open | closed |
MISCELLANEOUS TECHNICAL NOTES |
JP1 controls wait-state bit2, JP2 controls wait-state bit 1. Exact setting are unidentified. |
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