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# AMERICAN MEGATRENDS, INC.
FAST LAN/SCSI VLB
Data bus: 32-bit, VL-bus
Size: Full-length, full-height card
Hard drive supported: Up to seven SCSI devices
Floppy drives supported: None
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Function | Location |
|---------------------------------------------+--------------|
| 50-pin SCSI connector - internal | CN1 |
|---------------------------------------------+--------------|
| 64-pin SCSI connector - internal | CN2 |
|---------------------------------------------+--------------|
| 15-pin AUI Transceiver connector - internal | CN3 |
|---------------------------------------------+--------------|
| 4-pin RJ11 connector - external | CN4 |
|---------------------------------------------+--------------|
| 50-pin SCSI connector - external | CN5 |
|---------------------------------------------+--------------|
| 2-pin connector-Drive active LED | J04 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Location | Setting |
|---------------------------------+----------+---------------|
| » | SCSI termination 1 disabled | J06 | closed |
|---+-----------------------------+----------+---------------|
| | SCSI termination 1 enabled | J06 | open |
|---+-----------------------------+----------+---------------|
| » | SCSI termination 2 disabled | J07 | closed |
|---+-----------------------------+----------+---------------|
| | SCSI termination 2 enabled | J07 | open |
|---+-----------------------------+----------+---------------|
| » | VESA burst mode disabled | J08 | closed |
|---+-----------------------------+----------+---------------|
| | VESA burst mode enabled | J08 | open |
|---+-----------------------------+----------+---------------|
| » | ISA mode enabled | J20 | pins 1 & 2 |
| | | | closed |
|---+-----------------------------+----------+---------------|
| | EISA mode enabled | J20 | pins 2 & 3 |
| | | | closed |
|---+-----------------------------+----------+---------------|
| » | SCSI enabled | J24 | pins 1 & 2 |
| | | | closed |
|---+-----------------------------+----------+---------------|
| | SCSI disabled | J24 | pins 2 & 3 |
| | | | closed |
|---+-----------------------------+----------+---------------|
| » | LAN enabled | J25 | pins 1 & 2 |
| | | | closed |
|---+-----------------------------+----------+---------------|
| | LAN disabled | J25 | pins 2 & 3 |
| | | | closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BIOS ADDRESS |
|------------------------------------------------------------|
| Address | J10 | J11 | J12 |
|--------------+-------------------+------------+------------|
| » | C8000h | pins 2 & 3 closed | pins 2 & 3 | pins 2 & 3 |
| | | | closed | closed |
|---+----------+-------------------+------------+------------|
| | CC000h | pins 1 & 2 closed | pins 2 & 3 | pins 2 & 3 |
| | | | closed | closed |
|---+----------+-------------------+------------+------------|
| | D0000h | pins 2 & 3 closed | pins 1 & 2 | pins 2 & 3 |
| | | | closed | closed |
|---+----------+-------------------+------------+------------|
| | D4000h | pins 1 & 2 closed | pins 1 & 2 | pins 2 & 3 |
| | | | closed | closed |
|---+----------+-------------------+------------+------------|
| | D8000h | pins 2 & 3 closed | pins 2 & 3 | pins 1 & 2 |
| | | | closed | closed |
|---+----------+-------------------+------------+------------|
| | Disabled | pins 1 & 2 closed | pins 1 & 2 | pins 1 & 2 |
| | | | closed | closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SCSI AND LAN INTERRUPT REQUEST CONFIGURATION |
|------------------------------------------------------------|
| SCSI IRQ | LAN | J13 | J14 | J15 | J16 | J17 |
| | IRQ | | | | | |
|--------------+------+-------+-------+-------+-------+------|
| » | 10 | 15 | pins | pins | pins | pins | pins |
| | | | 2 & 3 | 2 & 3 | 2 & 3 | 2 & 3 | 2 & |
| | | | | | | | 3 |
|---+----------+------+-------+-------+-------+-------+------|
| | 10 | 5 | pins | pins | pins | pins | pins |
| | | | 1 & 2 | 2 & 3 | 2 & 3 | 2 & 3 | 2 & |
| | | | | | | | 3 |
|---+----------+------+-------+-------+-------+-------+------|
| | 10 | 11 | pins | pins | pins | pins | pins |
| | | | 2 & 3 | 1 & 2 | 2 & 3 | 2 & 3 | 2 & |
| | | | | | | | 3 |
|---+----------+------+-------+-------+-------+-------+------|
| | 10 | 12 | pins | pins | pins | pins | pins |
| | | | 1 & 2 | 1 & 2 | 2 & 3 | 2 & 3 | 2 & |
| | | | | | | | 3 |
|---+----------+------+-------+-------+-------+-------+------|
| | 11 | 5 | pins | pins | pins | pins | pins |
| | | | 2 & 3 | 2 & 3 | 1 & 2 | 2 & 3 | 2 & |
| | | | | | | | 3 |
|---+----------+------+-------+-------+-------+-------+------|
| | 11 | 10 | pins | pins | pins | pins | pins |
| | | | 1 & 2 | 2 & 3 | 1 & 2 | 2 & 3 | 2 & |
| | | | | | | | 3 |
|---+----------+------+-------+-------+-------+-------+------|
| | 11 | 12 | pins | pins | pins | pins | pins |
| | | | 2 & 3 | 1 & 2 | 1 & 2 | 2 & 3 | 2 & |
| | | | | | | | 3 |
|---+----------+------+-------+-------+-------+-------+------|
| | 11 | 15 | pins | pins | pins | pins | pins |
| | | | 1 & 2 | 1 & 2 | 1 & 2 | 2 & 3 | 2 & |
| | | | | | | | 3 |
|---+----------+------+-------+-------+-------+-------+------|
| | 12 | 5 | pins | pins | pins | pins | pins |
| | | | 2 & 3 | 2 & 3 | 2 & 3 | 1 & 2 | 2 & |
| | | | | | | | 3 |
|---+----------+------+-------+-------+-------+-------+------|
| | 12 | 10 | pins | pins | pins | pins | pins |
| | | | 1 & 2 | 2 & 3 | 2 & 3 | 1 & 2 | 2 & |
| | | | | | | | 3 |
|---+----------+------+-------+-------+-------+-------+------|
| | 12 | 11 | pins | pins | pins | pins | pins |
| | | | 2 & 3 | 1 & 2 | 2 & 3 | 1 & 2 | 2 & |
| | | | | | | | 3 |
|---+----------+------+-------+-------+-------+-------+------|
| | 12 | 15 | pins | pins | pins | pins | pins |
| | | | 1 & 2 | 1 & 2 | 2 & 3 | 1 & 2 | 2 & |
| | | | | | | | 3 |
|---+----------+------+-------+-------+-------+-------+------|
| | 15 | 5 | pins | pins | pins | pins | pins |
| | | | 2 & 3 | 2 & 3 | 1 & 2 | 1 & 2 | 2 & |
| | | | | | | | 3 |
|---+----------+------+-------+-------+-------+-------+------|
| | 15 | 10 | pins | pins | pins | pins | pins |
| | | | 1 & 2 | 2 & 3 | 1 & 2 | 1 & 2 | 2 & |
| | | | | | | | 3 |
|---+----------+------+-------+-------+-------+-------+------|
| | 15 | 11 | pins | pins | pins | pins | pins |
| | | | 2 & 3 | 1 & 2 | 1 & 2 | 1 & 2 | 2 & |
| | | | | | | | 3 |
|---+----------+------+-------+-------+-------+-------+------|
| | 15 | 12 | pins | pins | pins | pins | pins |
| | | | 1 & 2 | 1 & 2 | 1 & 2 | 1 & 2 | 2 & |
| | | | | | | | 3 |
|---+----------+------+-------+-------+-------+-------+------|
| | 14 | 5 | pins | pins | pins | pins | pins |
| | | | 2 & 3 | 2 & 3 | 2 & 3 | 2 & 3 | 1 & |
| | | | | | | | 2 |
|---+----------+------+-------+-------+-------+-------+------|
| | 14 | 10 | pins | pins | pins | pins | pins |
| | | | 1 & 2 | 2 & 3 | 2 & 3 | 2 & 3 | 1 & |
| | | | | | | | 2 |
|---+----------+------+-------+-------+-------+-------+------|
| | 14 | 11 | pins | pins | pins | pins | pins |
| | | | 2 & 3 | 1 & 2 | 2 & 3 | 2 & 3 | 1 & |
| | | | | | | | 2 |
|---+----------+------+-------+-------+-------+-------+------|
| | 14 | 12 | pins | pins | pins | pins | pins |
| | | | 1 & 2 | 1 & 2 | 2 & 3 | 2 & 3 | 1 & |
| | | | | | | | 2 |
|---+----------+------+-------+-------+-------+-------+------|
| | 5 | 15 | pins | pins | pins | pins | pins |
| | | | 2 & 3 | 2 & 3 | 1 & 2 | 2 & 3 | 1 & |
| | | | | | | | 2 |
|---+----------+------+-------+-------+-------+-------+------|
| | 5 | 10 | pins | pins | pins | pins | pins |
| | | | 1 & 2 | 2 & 3 | 1 & 2 | 2 & 3 | 1 & |
| | | | | | | | 2 |
|---+----------+------+-------+-------+-------+-------+------|
| | 5 | 11 | pins | pins | pins | pins | pins |
| | | | 2 & 3 | 1 & 2 | 1 & 2 | 2 & 3 | 1 & |
| | | | | | | | 2 |
|---+----------+------+-------+-------+-------+-------+------|
| | 5 | 12 | pins | pins | pins | pins | pins |
| | | | 1 & 2 | 1 & 2 | 1 & 2 | 2 & 3 | 1 & |
| | | | | | | | 2 |
|---+----------+------+-------+-------+-------+-------+------|
| | 10 | 14 | pins | pins | pins | pins | pins |
| | | | 2 & 3 | 2 & 3 | 2 & 3 | 1 & 2 | 1 & |
| | | | | | | | 2 |
|---+----------+------+-------+-------+-------+-------+------|
| | 11 | 14 | pins | pins | pins | pins | pins |
| | | | 1 & 2 | 2 & 3 | 2 & 3 | 1 & 2 | 1 & |
| | | | | | | | 2 |
|---+----------+------+-------+-------+-------+-------+------|
| | 12 | 14 | pins | pins | pins | pins | pins |
| | | | 2 & 3 | 1 & 2 | 2 & 3 | 1 & 2 | 1 & |
| | | | | | | | 2 |
|---+----------+------+-------+-------+-------+-------+------|
| | 15 | 14 | pins | pins | pins | pins | pins |
| | | | 1 & 2 | 1 & 2 | 2 & 3 | 1 & 2 | 1 & |
| | | | | | | | 2 |
|---+----------+------+-------+-------+-------+-------+------|
| | 14 | 15 | pins | pins | pins | pins | pins |
| | | | 2 & 3 | 2 & 3 | 1 & 2 | 1 & 2 | 1 & |
| | | | | | | | 2 |
|---+----------+------+-------+-------+-------+-------+------|
| | 5 | 14 | pins | pins | pins | pins | pins |
| | | | 1 & 2 | 2 & 3 | 1 & 2 | 1 & 2 | 1 & |
| | | | | | | | 2 |
|---+----------+------+-------+-------+-------+-------+------|
| | Disabled | n/a | pins | pins | pins | pins | pins |
| | | | 1 & 2 | 1 & 2 | 1 & 2 | 1 & 2 | 1 & |
| | | | | | | | 2 |
|------------------------------------------------------------|
| Note: pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SCSI AND LAN I/O PORT ADDRESS |
|------------------------------------------------------------|
| SCSI | LAN | Jumper J21 | Jumper | Jumper |
| Address | Address | | J22 | J23 |
|------------+----------+-------------+-----------+----------|
| » | 0200h | 0600h | pins 2 & 3 | pins 2 & | pins 2 & |
| | | | closed | 3 closed | 3 closed |
|---+--------+----------+-------------+-----------+----------|
| | 1200h | 1600h | pins 1 & 2 | pins 2 & | pins 2 & |
| | | | closed | 3 closed | 3 closed |
|---+--------+----------+-------------+-----------+----------|
| | 2200h | 2600h | pins 2 & 3 | pins 1 & | pins 2 & |
| | | | closed | 2 closed | 3 closed |
|---+--------+----------+-------------+-----------+----------|
| | 0300h | 0700h | pins 1 & 2 | pins 1 & | pins 2 & |
| | | | closed | 2 closed | 3 closed |
|---+--------+----------+-------------+-----------+----------|
| | 1300h | 1700h | pins 2 & 3 | pins 2 & | pins 1 & |
| | | | closed | 3 closed | 2 closed |
|---+--------+----------+-------------+-----------+----------|
| | 2300h | 2700h | pins 1 & 2 | pins 2 & | pins 1 & |
| | | | closed | 3 closed | 2 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| VLB CARD NUMBER |
|------------------------------------------------------------|
| Card Number | Jumper J26 | Jumper J27 |
|------------------+--------------------+--------------------|
| » | 0 | pins 2 & 3 closed | pins 2 & 3 closed |
|------+-----------+--------------------+--------------------|
| | 1 | pins 1 & 2 closed | pins 2 & 3 closed |
|------+-----------+--------------------+--------------------|
| | 2 | pins 2 & 3 closed | pins 1 & 2 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| STATUS LEDS |
|------------------------------------------------------------|
| LED | Status | Function |
|---------------------+-------------------+------------------|
| Red | blinking | SCSI activity |
|---------------------+-------------------+------------------|
| Green | blinking | LAN send data |
|---------------------+-------------------+------------------|
| Yellow | blinking | LAN receive data |
+------------------------------------------------------------+
+------------------------------------------------------------+
| MISCELLANEOUS TECHNICAL NOTES |
|------------------------------------------------------------|
| Jumpers J05, and J19 are factory configured to the open |
| position, jumper J28 is factory configured to the closed |
| position - do not alter these settings. |
+------------------------------------------------------------+