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# DIGITAL EQUIPMENT CORPORATION
DIGITAL SERVER 1200
Device Type Mainboard
Processor Pentium II
Processor Speed 233/266/300/333/366/400/433/466/500/533MHz
Chip Set Unidentified
Video Chip Set S3
Maximum Onboard 512MB (EDO supported)
Memory
Maximum Video Unidentified
Memory
Cache 256/512KB (located on Pentium II CPU)
BIOS Unidentified
Dimensions 305mm x 244mm
I/O Options 32-bit PCI slots (5), Ethernet 10BaseT
connector, floppy drive interface, Wide SCSI
interface, parallel port, PS/2 mouse port,
serial ports (2), VGA port, USB connectors
(2), CPU slot
NPU Options None
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|-------------------+----------+------------------+----------|
| Speaker | C1 | Serial port | CN4 |
|-------------------+----------+------------------+----------|
| SCSI interface | C3 | Serial port | CN5 |
| LED | | | |
|-------------------+----------+------------------+----------|
| Chassis fan power | C4 | PS/2 mouse port | CN6 |
|-------------------+----------+------------------+----------|
| Front panel | C5 | USB connector 1 | CN7 |
| connector | | | |
|-------------------+----------+------------------+----------|
| RSM connector | C6 | USB connector 2 | CN8 |
|-------------------+----------+------------------+----------|
| LEDs | C7 | Wide SCSI | CN9 |
| | | interface | |
|-------------------+----------+------------------+----------|
| Ethernet 10BaseT | CN1 | Floppy drive | CN10 |
| connector | | interface | |
|-------------------+----------+------------------+----------|
| Parallel port | CN2 | 32-bit PCI slots | PC1 – |
| | | | PC5 |
|-------------------+----------+------------------+----------|
| VGA port | CN3 | CPU slot | SL1 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Label | Position |
|-------------------------------------+---------+------------|
| » | BIOS upgrade enabled | SW1/1 | Off |
|---+---------------------------------+---------+------------|
| | BIOS upgrade disabled | SW1/1 | On |
|---+---------------------------------+---------+------------|
| » | BIOS normal operation | SW1/2 | On |
|---+---------------------------------+---------+------------|
| | BIOS recovery mode | SW1/2 | Off |
|---+---------------------------------+---------+------------|
| » | Password normal operation | SW1/3 | On |
|---+---------------------------------+---------+------------|
| | Password clear | SW1/3 | Off |
|---+---------------------------------+---------+------------|
| » | CMOS memory normal operation | SW1/4 | On |
|---+---------------------------------+---------+------------|
| | CMOS memory clear | SW1/4 | Off |
+------------------------------------------------------------+
+------------------------------------------------------------+
| VIDEO MEMORY CONFIGURATION |
|------------------------------------------------------------|
| Note: The size of the video memory is unidentified. |
+------------------------------------------------------------+
IMG IMG 2
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location |
|-------------------------------+----------------------------|
| VRM connector | VRM |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DIMM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | Bank 2 | Bank 3 |
|-------+-------------+------------+------------+------------|
| 32MB | (1) 4M x 64 | None | None | None |
|-------+-------------+------------+------------+------------|
| 32MB | (1) 2M x 64 | (1) 2M x | None | None |
| | | 64 | | |
|-------+-------------+------------+------------+------------|
| 48MB | (1) 4M x 64 | (1) 2M x | None | None |
| | | 64 | | |
|-------+-------------+------------+------------+------------|
| 48MB | (1) 2M x 64 | (1) 2M x | (1) 2M x | None |
| | | 64 | 64 | |
|-------+-------------+------------+------------+------------|
| 64MB | (1) 2M x 64 | (1) 2M x | (1) 2M x | (1) 2M x |
| | | 64 | 64 | 64 |
|-------+-------------+------------+------------+------------|
| 64MB | (1) 8M x 64 | None | None | None |
|-------+-------------+------------+------------+------------|
| 64MB | (1) 4M x 64 | (1) 4M x | None | None |
| | | 64 | | |
|-------+-------------+------------+------------+------------|
| 80MB | (1) 8M x 64 | (1) 2M x | None | None |
| | | 64 | | |
|-------+-------------+------------+------------+------------|
| 96MB | (1) 8M x 64 | (1) 4M x | None | None |
| | | 64 | | |
|-------+-------------+------------+------------+------------|
| 96MB | (1) 4M x 64 | (1) 4M x | (1) 4M x | None |
| | | 64 | 64 | |
|-------+-------------+------------+------------+------------|
| 128MB | (1) 16M x | None | None | None |
| | 64 | | | |
|-------+-------------+------------+------------+------------|
| 128MB | (1) 8M x 64 | (1) 8M x | None | None |
| | | 64 | | |
|-------+-------------+------------+------------+------------|
| 128MB | (1) 4M x 64 | (1) 4M x | (1) 4M x | (1) 4M x |
| | | 64 | 64 | 64 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DIMM CONFIGURATION (CON’T) |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | Bank 2 | Bank 3 |
|-------+-------------+------------+------------+------------|
| 144MB | (1) 16M x | (1) 2M x | None | None |
| | 64 | 64 | | |
|-------+-------------+------------+------------+------------|
| 160MB | (1) 16M x | (1) 4M x | None | None |
| | 64 | 64 | | |
|-------+-------------+------------+------------+------------|
| 176MB | (1) 16M x | (1) 2M x | (1) 2M x | (1) 2M x |
| | 64 | 64 | 64 | 64 |
|-------+-------------+------------+------------+------------|
| 192MB | (1) 16M x | (1) 8M x | None | None |
| | 64 | 64 | | |
|-------+-------------+------------+------------+------------|
| 192MB | (1) 8M x 64 | (1) 8M x | (1) 8M x | None |
| | | 64 | 64 | |
|-------+-------------+------------+------------+------------|
| 224MB | (1) 16M x | (1) 4M x | (1) 4M x | (1) 4M x |
| | 64 | 64 | 64 | 64 |
|-------+-------------+------------+------------+------------|
| 256MB | (1) 16M x | (1) 16M x | None | None |
| | 64 | 64 | | |
|-------+-------------+------------+------------+------------|
| 256MB | (1) 8M x 64 | (1) 8M x | (1) 8M x | (1) 8M x |
| | | 64 | 64 | 64 |
|-------+-------------+------------+------------+------------|
| 288MB | (1) 16M x | (1) 16M x | (1) 2M x | (1) 2M x |
| | 64 | 64 | 64 | 64 |
|-------+-------------+------------+------------+------------|
| 320MB | (1) 16M x | (1) 16M x | (1) 4M x | (1) 4M x |
| | 64 | 64 | 64 | 64 |
|-------+-------------+------------+------------+------------|
| 320MB | (1) 16M x | (1) 8M x | (1) 8M x | (1) 8M x |
| | 64 | 64 | 64 | 64 |
|-------+-------------+------------+------------+------------|
| 384MB | (1) 16M x | (1) 16M x | (1) 16M x | None |
| | 64 | 64 | 64 | |
|-------+-------------+------------+------------+------------|
| 512MB | (1) 16M x | (1) 16M x | (1) 16M x | (1) 16M x |
| | 64 | 64 | 64 | 64 |
|------------------------------------------------------------|
| Note: Board accepts EDO memory. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE CONFIGURATION |
|------------------------------------------------------------|
| Note: 256KB/512KB cache is located on the Pentium II CPU. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION |
|------------------------------------------------------------|
|CPU speed|Clock speed|Multiplier|SW1/1 |SW1/2 |SW1/3 |SW1/4 |
|---------+-----------+----------+------+------+------+------|
| 233MHz | 66MHz | 3.5x | Off | Off | On | On |
|---------+-----------+----------+------+------+------+------|
| 266MHz | 66MHz | 4x | On | On | Off | On |
|---------+-----------+----------+------+------+------+------|
| 300MHz | 66MHz | 4.5x | Off | On | Off | On |
|---------+-----------+----------+------+------+------+------|
| 333MHz | 66MHz | 5x | On | Off | Off | On |
|---------+-----------+----------+------+------+------+------|
| 366MHz | 66MHz | 5.5x | Off | Off | Off | On |
|---------+-----------+----------+------+------+------+------|
| 400MHz | 66MHz | 6x | On | On | On | Off |
|---------+-----------+----------+------+------+------+------|
| 433MHz | 66MHz | 6.5x | Off | On | On | Off |
|---------+-----------+----------+------+------+------+------|
| 466MHz | 66MHz | 7x | On | Off | On | Off |
|---------+-----------+----------+------+------+------+------|
| 500MHz | 66MHz | 7.5x | Off | Off | On | Off |
|---------+-----------+----------+------+------+------+------|
| 533MHz | 66MHz | 8x | On | On | Off | Off |
+------------------------------------------------------------+