NATURAL MICROSYSTEMS CORPORATION
MC1 BOARD
| Card Type | MVIP Interface Board |
| NIC Type | T1 |
| Maximum Onboard Memory | Unidentified |
| Boot ROM | Not available |
| Network Transfer Rate | Unidentified |
| Topology | Star |
| Wiring Type | Unidentified |
| Data Bus | 8-bit ISA |
CONNECTIONS |
|||
Function |
Label |
Function |
Label |
| 68-pin SCSI connector | CN1 |
40-pin MVIP connector | CN2 |
USER CONFIGURABLE SETTINGS |
|||
Function |
Label |
Position |
|
| » | Factory configured - do not alter | JP4 |
Unidentified |
| » | Factory configured - do not alter | JP6 |
Unidentified |
| » | Factory configured - do not alter | JP8 |
Unidentified |
MVIP TERMINATION |
|||
Function |
JP2 |
JP7 |
|
| » | MVIP termination disabled |
Open |
Open |
MVIP termination enabled |
Closed |
Closed |
|
BASE I/O ADDRESS SELECTION |
|||||
Setting |
S1/1 |
S1/2 |
S1/3 |
S1/4 |
|
140h |
On |
Off |
Off |
Off |
|
160h |
On |
Off |
Off |
On |
|
220h |
On |
Off |
On |
Off |
|
240h |
On |
Off |
On |
On |
|
540h |
On |
On |
Off |
Off |
|
560h |
On |
On |
Off |
On |
|
620h |
On |
On |
On |
Off |
|
| » | 640h |
On |
On |
On |
On |
2140h |
Off |
Off |
Off |
Off |
|
2160h |
Off |
Off |
Off |
On |
|
2220h |
Off |
Off |
On |
Off |
|
2240h |
Off |
Off |
On |
On |
|
2540h |
Off |
On |
Off |
Off |
|
2560h |
Off |
On |
Off |
On |
|
2620h |
Off |
On |
On |
Off |
|
2640h |
Off |
On |
On |
On |
|
DIAGNOSTIC LED(S) |
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LED |
Color |
Status |
Condition |
LED1 |
Red |
On |
Unsynchronized clock error, missing system error, or watchdog timeout detected |
LED1 |
Red |
Off |
Unsynchronized clock error, missing system error, or watchdog timeout not detected |
LED2 |
Yellow |
On |
Card is acting as a primary or secondary master; driving either the right or left clock |
LED2 |
Yellow |
Off |
Card is a slave |
LED3 |
Green |
On |
Right clock is enabled |
LED3 |
Green |
Off |
Left clock is enabled |