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# ALPHA MICROSYSTEMS
AM-190
Processor Motorola 68040
Processor Speed 66MHz
Chip Set Unidentified
Video Chip Set None
Maximum Onboard 128MB
Memory
Maximum Video None
Memory
Cache 128KB
BIOS Unidentified
Dimensions 330mm x 218mm
I/O Options Floppy drive interface, SCSI interface,
serial ports (2), VME bus connectors (2), I/O
bus connectors (2), UPS switch contact port,
Ethernet LEDs (3), Memory configuration LED,
AM-191 boot module slot, AUI port
NPU Options None
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|-------------------+----------+------------------+----------|
| VME bus connector | CN1 | I/O bus | J7 |
| | | connector | |
|-------------------+----------+------------------+----------|
| VME bus connector | CN2 | I/O bus | J8 |
| | | connector | |
|-------------------+----------+------------------+----------|
| Serial port 1 | J1 | Floppy drive | J10 |
| | | interface | |
|-------------------+----------+------------------+----------|
| Serial port 2 | J2 | +5v chassis fan | JX1 |
| | | power | |
|-------------------+----------+------------------+----------|
| UPS switch | J3 | +12v chassis fan | JX2 |
| contact port | | power | |
|-------------------+----------+------------------+----------|
| AUI port | J4 | +5v chassis fan | JY1 |
| | | power | |
|-------------------+----------+------------------+----------|
| Front panel | J5 | +12v chassis fan | JY2 |
| connector | | power | |
|-------------------+----------+------------------+----------|
| SCSI interface | J6 | AM-191 boot | SL1 |
| | | module slot | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Label | Position |
|------------------------------------+----------+------------|
| » | Remote reset disabled | W7 | Open |
|---+--------------------------------+----------+------------|
| | Remote reset enabled | W7 | Closed |
|---+--------------------------------+----------+------------|
| » | Timeout clock source select | W8 | Pins 2 & 3 |
| | 1MHz | | closed |
|---+--------------------------------+----------+------------|
| | Timeout clock source select | W8 | Pins 1 & 2 |
| | 500KHz | | closed |
|---+--------------------------------+----------+------------|
| » | Factory configured - do not | W9 | Closed |
| | alter | | |
|---+--------------------------------+----------+------------|
| » | Factory configured - do not | W11 | Closed |
| | alter | | |
|---+--------------------------------+----------+------------|
| » | Factory configured - do not | W12 | Closed |
| | alter | | |
|---+--------------------------------+----------+------------|
| » | Ethernet sonic chip select 1/2 | W13 | Pins 1 & 2 |
| | BCLK | | closed |
|---+--------------------------------+----------+------------|
| | Ethernet sonic chip select 1 | W13 | Pins 2 & 3 |
| | BCLK | | closed |
|---+--------------------------------+----------+------------|
| » | Factory configured - do not | W15 | Closed |
| | alter | | |
|---+--------------------------------+----------+------------|
| » | MMU enabled | W16/pins | Open |
| | | 1 & 2 | |
|---+--------------------------------+----------+------------|
| | MMU disabled | W16/pins | Closed |
| | | 1 & 2 | |
|---+--------------------------------+----------+------------|
| » | Factory configured - do not | W18 | Open |
| | alter | | |
|---+--------------------------------+----------+------------|
| » | Factory configured - do not | W19 | Closed |
| | alter | | |
|---+--------------------------------+----------+------------|
| » | 80486 VPC disabled | W20 | Open |
|---+--------------------------------+----------+------------|
| | 80486 VPC enabled | W20 | Closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | Bank 2 | Bank 3 |
|------+-------------+-------------+------------+------------|
| 4MB | (1) 1M x 36 | None | None | None |
|------+-------------+-------------+------------+------------|
| 8MB | (1) 1M x 36 | (1) 1M x 36 | None | None |
|------+-------------+-------------+------------+------------|
| 12MB | (1) 1M x 36 | (1) 1M x 36 | (1) 1M x | None |
| | | | 36 | |
|------+-------------+-------------+------------+------------|
| 16MB | (1) 4M x 36 | None | None | None |
|------+-------------+-------------+------------+------------|
| 16MB | (1) 1M x 36 | (1) 1M x 36 | (1) 1M x | (1) 1M x |
| | | | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 20MB | (1) 4M x 36 | (1) 1M x 36 | None | None |
|------+-------------+-------------+------------+------------|
| 24MB | (1) 4M x 36 | (1) 1M x 36 | (1) 1M x | None |
| | | | 36 | |
|------+-------------+-------------+------------+------------|
| 28MB | (1) 4M x 36 | (1) 1M x 36 | (1) 1M x | (1) 1M x |
| | | | 36 | 36 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION (CON'T) |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | Bank 2 | Bank 3 |
|----------+-------------+-----------+-----------+-----------|
| 32MB | (1) 8M x 36 | None | None | None |
|----------+-------------+-----------+-----------+-----------|
| 32MB | (1) 4M x 36 | (1) 4M x | None | None |
| | | 36 | | |
|----------+-------------+-----------+-----------+-----------|
| 36MB | (1) 8M x 36 | (1) 1M x | None | None |
| | | 36 | | |
|----------+-------------+-----------+-----------+-----------|
| 40MB | (1) 8M x 36 | (1) 1M x | (1) 1M x | None |
| | | 36 | 36 | |
|----------+-------------+-----------+-----------+-----------|
| 44MB | (1) 8M x 36 | (1) 1M x | (1) 1M x | (1) 1M x |
| | | 36 | 36 | 36 |
|----------+-------------+-----------+-----------+-----------|
| 48MB | (1) 8M x 36 | (1) 4M x | None | None |
| | | 36 | | |
|----------+-------------+-----------+-----------+-----------|
| 48MB | (1) 4M x 36 | (1) 4M x | (1) 4M x | None |
| | | 36 | 36 | |
|----------+-------------+-----------+-----------+-----------|
| 64MB | (1) 8M x 36 | (1) 4M x | (1) 4M x | None |
| | | 36 | 36 | |
|----------+-------------+-----------+-----------+-----------|
| 64MB | (1) 8M x 36 | (1) 8M x | None | None |
| | | 36 | | |
|----------+-------------+-----------+-----------+-----------|
| 64MB | (1) 4M x 36 | (1) 4M x | (1) 4M x | (1) 4M x |
| | | 36 | 36 | 36 |
|----------+-------------+-----------+-----------+-----------|
| 80MB | (1) 8M x 36 | (1) 4M x | (1) 4M x | (1) 4M x |
| | | 36 | 36 | 36 |
|----------+-------------+-----------+-----------+-----------|
| 96MB | (1) 8M x 36 | (1) 8M x | (1) 8M x | None |
| | | 36 | 36 | |
|----------+-------------+-----------+-----------+-----------|
| 112MB | (1) 8M x 36 | (1) 8M x | (1) 8M x | (1) 4M x |
| | | 36 | 36 | 36 |
|----------+-------------+-----------+-----------+-----------|
| 128MB | (1) 8M x 36 | (1) 8M x | (1) 8M x | (1) 8M x |
| | | 36 | 36 | 36 |
|------------------------------------------------------------|
| Note: The location of banks 0, 1, 2 & 3 are unidentified. |
| Do not install SIMM in SL1. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE CONFIGURATION |
|------------------------------------------------------------|
| Note: Board is factory installed with 128KB cache. The |
| location is unidentified. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE JUMPER CONFIGURATION (80486 CACHE) |
|------------------------------------------------------------|
| Setting | W14 |
|-------------------------------+----------------------------|
| Enabled | Closed |
|-------------------------------+----------------------------|
| Disabled | Open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE JUMPER CONFIGURATION (68040 CACHE) |
|------------------------------------------------------------|
| Setting | W16/pins 3 & 4 |
|----------------------------+-------------------------------|
| Enabled | Open |
|----------------------------+-------------------------------|
| Disabled | Closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SERIAL PORT 1 SELECTION |
|------------------------------------------------------------|
| Setting | W1 | W3 | W5 |
|-----------+----------------+---------------+---------------|
| » | RS232 | Pins 2 & 3 | Pins 2 & 3 | Pins 2 & 3 |
| | | closed | closed | closed |
|---+-------+----------------+---------------+---------------|
| | RS422 | Pins 1 & 2 | Pins 1 & 2 | Pins 1 & 2 |
| | | closed | closed | closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SERIAL PORT 2 SELECTION |
|------------------------------------------------------------|
| Setting | W2 | W4 | W6 |
|-----------+----------------+---------------+---------------|
| » | RS232 | Pins 2 & 3 | Pins 2 & 3 | Pins 2 & 3 |
| | | closed | closed | closed |
|---+-------+----------------+---------------+---------------|
| | RS422 | Pins 1 & 2 | Pins 1 & 2 | Pins 1 & 2 |
| | | closed | closed | closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| MAIN BOOT SELECTION |
|------------------------------------------------------------|
| Setting | SW1/5 | SW1/6 | SW1/7 | SW1/8 |
|-----------------+----------+----------+----------+---------|
| Floppy | Off | Off | Off | Off |
|-----------------+----------+----------+----------+---------|
| SCSI disk drive | Off | Off | Off | On |
|-----------------+----------+----------+----------+---------|
| AM-520 | Off | On | Off | Off |
+------------------------------------------------------------+
+------------------------------------------------------------+
| ALTERNATE BOOT SELECTION |
|------------------------------------------------------------|
| Setting | SW1/1 | SW1/2 | SW1/3 | SW1/4 |
|-------------------+----------+---------+---------+---------|
| None | Off | Off | Off | Off |
|-------------------+----------+---------+---------+---------|
| Floppy | Off | Off | Off | On |
|-------------------+----------+---------+---------+---------|
| VCR | Off | Off | On | On |
|-------------------+----------+---------+---------+---------|
| SCSI streamer/DAT | Off | On | On | Off |
|-------------------+----------+---------+---------+---------|
| AM-640 MagTape | Off | On | Off | Off |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SCSI TERMINATION SELECTION |
|------------------------------------------------------------|
| Setting | W10 |
|-----------------------------------+------------------------|
| » | SCSI termination enabled | Pins 2 & 3 closed |
|---+-------------------------------+------------------------|
| | SCSI termination disabled | Pins 1 & 2 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DIAGNOSTIC LED(S) |
|------------------------------------------------------------|
| Note: Function of LEDs (CN3-CN6) are unidentified. |
+------------------------------------------------------------+