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# DIGITAL EQUIPMENT CORPORATION
STARION 400I, 500I, 600I, 700I, 800I, 900I
Device Type Mainboard
Processor Pentium
Processor Speed 75/90/100MHz
Chip Set Unidentified
Video Chip Set S3
Maximum Onboard 128MB
Memory
Maximum Video 1MB
Memory
Cache 256KB
BIOS Unidentified
Dimensions 254mm x 218mm
I/O Options Floppy drive interface, IDE interfaces (2),
parallel port, PS/2 mouse port, serial ports
(2), VGA port, riser slot
NPU Options None
(IMG) IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|------------------+----------+-------------------+----------|
| VGA port | CN1 | Floppy drive | CN6 |
| | | interface | |
|------------------+----------+-------------------+----------|
| Parallel port | CN2 | IDE interface 2 | CN7 |
|------------------+----------+-------------------+----------|
| Serial port | CN3 | IDE interface 1 | CN8 |
|------------------+----------+-------------------+----------|
| Serial port | CN4 | Riser slot | SL1 |
|------------------+----------+-------------------+----------|
| PS/2 mouse port | CN5 | | |
|------------------------------------------------------------|
| Note: VGA & serial ports are shown for location purposes |
| only. The location may not be exact. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Label | Position |
|-------------------------------------+-------+--------------|
| » | Factory configured - do not | C1 | Unidentified |
| | alter | | |
|---+---------------------------------+-------+--------------|
| » | Factory configured - do not | C2 | Unidentified |
| | alter | | |
|---+---------------------------------+-------+--------------|
| » | Factory configured - do not | C3 | Unidentified |
| | alter | | |
|---+---------------------------------+-------+--------------|
| » | Factory configured - do not | C4 | Unidentified |
| | alter | | |
|---+---------------------------------+-------+--------------|
| » | Factory configured - do not | C5 | Unidentified |
| | alter | | |
|---+---------------------------------+-------+--------------|
| » | Factory configured - do not | C6 | Unidentified |
| | alter | | |
|---+---------------------------------+-------+--------------|
| » | Recovery mode normal operation | J10 | Open |
|---+---------------------------------+-------+--------------|
| | Recovery mode enabled | J10 | Closed |
|---+---------------------------------+-------+--------------|
| » | Password normal operation | J11 | Open |
|---+---------------------------------+-------+--------------|
| | Password memory clear | J11 | Closed |
|---+---------------------------------+-------+--------------|
| » | CMOS memory normal operation | J16 | Pins 1 & 2 |
| | | | closed |
|---+---------------------------------+-------+--------------|
| | CMOS memory clear | J16 | Pins 2 & 3 |
| | | | closed |
|---+---------------------------------+-------+--------------|
| | CPU frequency select 3/2 | J27 | Open |
|---+---------------------------------+-------+--------------|
| | CPU frequency select 2/1 | J27 | Closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SIMM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | Bank 2 |
|----------+-------------+--------------------+--------------|
| 8MB | 8MB | None | None |
|----------+-------------+--------------------+--------------|
| 16MB | 8MB | (1) 1M x 36 | (1) 1M x 36 |
|----------+-------------+--------------------+--------------|
| 24MB | 8MB | (1) 2M x 36 | (1) 2M x 36 |
|----------+-------------+--------------------+--------------|
| 40MB | 8MB | (1) 4M x 36 | (1) 4M x 36 |
|----------+-------------+--------------------+--------------|
| 72MB | 8MB | (1) 8M x 36 | (1) 8M x 36 |
|----------+-------------+--------------------+--------------|
| 128MB | Disabled | (1) 16M x 36 | (1) 16M x 36 |
|------------------------------------------------------------|
| Note: Bank 0 is factory installed and is not |
| configurable. The location is unidentified. Some |
| boards have 16MB factory installed. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE CONFIGURATION |
|------------------------------------------------------------|
| Note: Board is factory installed with 256KB cache. The |
| location is unidentified. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| VIDEO MEMORY CONFIGURATION |
|------------------------------------------------------------|
| Note: Board is factory installed with 1MB cache. The |
| location is unidentified. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION |
|------------------------------------------------------------|
| CPU speed | Clock speed | Multiplier | J21 | J22 |
|------------+-------------+------------+----------+---------|
| 75MHz | 50MHz | 1.5x | Open | Open |
|------------+-------------+------------+----------+---------|
| 90MHz | 60MHz | 1.5x | Closed | Open |
|------------+-------------+------------+----------+---------|
| 100MHz | 66MHz | 1.5x | Closed | Closed |
+------------------------------------------------------------+