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# ACER, INC.
ACERALTOS 9000 PRO (M9B), M9B
Device Type Mainboard
Processor Pentium Pro
Processor Speed 200MHz
Chip Set Intel 440FX
Video Chip Set ATI
Maximum Onboard 512MB (EDO supported)
Memory
Maximum Video 2MB
Memory
Cache 256KB (located on Pentium Pro CPU)
BIOS Acer
Dimensions 305mm x 244mm
I/O Options 32-bit PCI slots (5), green PC connector,
floppy drive interface, IDE interface, SCSI
interface, SCSI-2 interface, parallel port,
PS/2 mouse port, serial ports (2), VGA port,
CPU slot
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|-------------------+----------+------------------+----------|
| Parallel port | C1 | RDM connector | CN6 |
|-------------------+----------+------------------+----------|
| VGA port | C2 | RDM connector | CN7 |
|-------------------+----------+------------------+----------|
| PS/2 mouse port | C3 | Floppy drive | CN8 |
| | | interface | |
|-------------------+----------+------------------+----------|
| Serial port 1 | C4 | Wide SCSI | CN11 |
| | | interface | |
|-------------------+----------+------------------+----------|
| Serial port 2 | C5 | SCSI-2 interface | CN12 |
|-------------------+----------+------------------+----------|
| Chassis fan power | C6 | LED board | CN13 |
| | | connector | |
|-------------------+----------+------------------+----------|
| Chassis fan power | C7 | IDE interface | CN14 |
| | | LED | |
|-------------------+----------+------------------+----------|
| Chassis fan power | C8 | Power LED & | CN15 |
| | | keylock | |
|-------------------+----------+------------------+----------|
| 3.3v power | CN1 | Speaker | CN16 |
|-------------------+----------+------------------+----------|
| 5v power | CN2 | 32-bit PCI slots | PC1 - |
| | | | PC5 |
|-------------------+----------+------------------+----------|
| Backplane status | CN3 | Green PC | SW1 |
| LED | | connector | |
|-------------------+----------+------------------+----------|
| IDE interface | CN5 | CPU slot | SL1 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Label | Position |
|---------------------------------------+-------+------------|
| | Password enabled | JP1 | Pins 1 & 2 |
| | | | closed |
|---+-----------------------------------+-------+------------|
| | Password disabled | JP1 | Pins 2 & 3 |
| | | | closed |
|---+-----------------------------------+-------+------------|
| | BIOS type select Acer | JP2 | Pins 1 & 2 |
| | | | closed |
|---+-----------------------------------+-------+------------|
| | BIOS type select OEM | JP2 | Pins 2 & 3 |
| | | | closed |
|---+-----------------------------------+-------+------------|
| | Termination enabled | JP3 | Pins 1 & 2 |
| | | | closed |
|---+-----------------------------------+-------+------------|
| | Termination switchable through | JP3 | Pins 2 & 3 |
| | SCSI select utility | | closed |
|---+-----------------------------------+-------+------------|
| » | SCSI select standard | JP4 | Pins 2 & 3 |
| | | | closed |
|---+-----------------------------------+-------+------------|
| | SCSI select wide | JP4 | Pins 1 & 2 |
| | | | closed |
|---+-----------------------------------+-------+------------|
| | Front panel reset enabled | JP5 | Pins 1 & 2 |
| | | | closed |
|---+-----------------------------------+-------+------------|
| | Front panel reset disabled | JP5 | Pins 2 & 3 |
| | | | closed |
|---+-----------------------------------+-------+------------|
| | Buzzer enabled | JP6 | Pins 1 & 2 |
| | | | closed |
|---+-----------------------------------+-------+------------|
| | External speaker enabled | JP6 | Pins 2 & 3 |
| | | | closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SIMM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | Bank 2 | Bank 3 |
|------+-------------+-------------+------------+------------|
| 32MB | (2) 4M x 36 | None | None | None |
|------+-------------+-------------+------------+------------|
| 32MB | (2) 2M x 36 | (2) 2M x 36 | None | None |
|------+-------------+-------------+------------+------------|
| 32MB | (2) 1M x 36 | (2) 1M x 36 | (2) 1M x | (2) 1M x |
| | | | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 48MB | (2) 2M x 36 | (2) 2M x 36 | (2) 2M x | None |
| | | | 36 | |
|------+-------------+-------------+------------+------------|
| 64MB | (2) 2M x 36 | (2) 2M x 36 | (2) 2M x | (2) 2M x |
| | | | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 64MB | (2) 8M x 36 | None | None | None |
|------+-------------+-------------+------------+------------|
| 64MB | (2) 4M x 36 | (2) 4M x 36 | None | None |
|------+-------------+-------------+------------+------------|
| 72MB | (2) 8M x 36 | (2) 1M x 36 | None | None |
|------+-------------+-------------+------------+------------|
| 80MB | (2) 8M x 36 | (2) 2M x 36 | None | None |
|------+-------------+-------------+------------+------------|
| 96MB | (2) 8M x 36 | (2) 4M x 36 | None | None |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SIMM CONFIGURATION (CON'T) |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | Bank 2 | Bank 3 |
|-------+-------------+------------+------------+------------|
| 96MB | (2) 4M x 36 | (2) 4M x | (2) 4M x | None |
| | | 36 | 36 | |
|-------+-------------+------------+------------+------------|
| 128MB | (2) 16M x | None | None | None |
| | 36 | | | |
|-------+-------------+------------+------------+------------|
| 128MB | (2) 8M x 36 | (2) 8M x | None | None |
| | | 36 | | |
|-------+-------------+------------+------------+------------|
| 128MB | (2) 4M x 36 | (2) 4M x | (2) 4M x | (2) 4M x |
| | | 36 | 36 | 36 |
|-------+-------------+------------+------------+------------|
| 136MB | (2) 16M x | (2) 1M x | None | None |
| | 36 | 36 | | |
|-------+-------------+------------+------------+------------|
| 144MB | (2) 16M x | (2) 2M x | None | None |
| | 36 | 36 | | |
|-------+-------------+------------+------------+------------|
| 160MB | (2) 16M x | (2) 4M x | None | None |
| | 36 | 36 | | |
|-------+-------------+------------+------------+------------|
| 192MB | (2) 16M x | (2) 8M x | None | None |
| | 36 | 36 | | |
|-------+-------------+------------+------------+------------|
| 192MB | (2) 8M x 36 | (2) 8M x | (2) 8M x | None |
| | | 36 | 36 | |
|-------+-------------+------------+------------+------------|
| 224MB | (2) 16M x | (2) 4M x | (2) 4M x | (2) 4M x |
| | 36 | 36 | 36 | 36 |
|-------+-------------+------------+------------+------------|
| 256MB | (2) 16M x | (2) 16M x | None | None |
| | 36 | 36 | | |
|-------+-------------+------------+------------+------------|
| 256MB | (2) 8M x 36 | (2) 8M x | (2) 8M x | (2) 8M x |
| | | 36 | 36 | 36 |
|-------+-------------+------------+------------+------------|
| 272MB | (2) 16M x | (2) 16M x | (2) 1M x | (2) 1M x |
| | 36 | 36 | 36 | 36 |
|-------+-------------+------------+------------+------------|
| 288MB | (2) 16M x | (2) 16M x | (2) 2M x | (2) 2M x |
| | 36 | 36 | 36 | 36 |
|-------+-------------+------------+------------+------------|
| 320MB | (2) 16M x | (2) 16M x | (2) 4M x | (2) 4M x |
| | 36 | 36 | 36 | 36 |
|-------+-------------+------------+------------+------------|
| 384MB | (2) 16M x | (2) 16M x | (2) 16M x | None |
| | 36 | 36 | 36 | |
|-------+-------------+------------+------------+------------|
| 512MB | (2) 16M x | (2) 16M x | (2) 16M x | (2) 16M x |
| | 36 | 36 | 36 | 36 |
|------------------------------------------------------------|
| Note: Board accepts EDO memory. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| VIDEO MEMORY CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 |
|------------------+--------------------+--------------------|
| 1MB | (2) 256K x 16 | None |
|------------------+--------------------+--------------------|
| 2MB | (2) 256K x 16 | (2) 256K x 16 |
+------------------------------------------------------------+
IMG IMG 2
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|-------------------+----------+------------------+----------|
| CPU fan power | C1 | VRM connector | VRM1 |
|-------------------+----------+------------------+----------|
| CPU fan power | C2 | VRM connector | VRM2 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE CONFIGURATION |
|------------------------------------------------------------|
| Note: 512KB cache is located on the Pentium Pro CPU. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION |
|------------------------------------------------------------|
| CPU | Clock |Multiplier| CN1/ | CN1/ |CN1/ | CN1/ | J16 |
| speed | speed | | | | | | |
| | | | pins | pins |Pins | pins | |
| | | | | | | | |
| | | |1 & 5 |2 & 6 |3 & 7|4 & 8 | |
|-------+--------+----------+------+------+-----+------+-----|
|200MHz | 66MHz | 3x |Closed|Closed|Open |Closed|2 & 3|
|------------------------------------------------------------|
|Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU 1 VOLTAGE SELECTION |
|------------------------------------------------------------|
| Voltage | CN2/pins 1 & | CN2/pins 2 | CN2/pins | CN2/pins |
| | 5 | & 6 | 3 & 7 | 4 & 8 |
|----------+--------------+------------+----------+----------|
| | 2.1v | Open | Open | Open | Closed |
|---+------+--------------+------------+----------+----------|
| | 2.2v | Open | Open | Closed | Open |
|---+------+--------------+------------+----------+----------|
| | 2.3v | Open | Open | Closed | Closed |
|---+------+--------------+------------+----------+----------|
| | 2.4v | Open | Closed | Open | Open |
|---+------+--------------+------------+----------+----------|
| | 2.5v | Open | Closed | Open | Closed |
|---+------+--------------+------------+----------+----------|
| | 2.6v | Open | Closed | Closed | Open |
|---+------+--------------+------------+----------+----------|
| | 2.7v | Open | Closed | Closed | Closed |
|---+------+--------------+------------+----------+----------|
| | 2.8v | Closed | Open | Open | Open |
|---+------+--------------+------------+----------+----------|
| | 2.9v | Closed | Open | Open | Closed |
|---+------+--------------+------------+----------+----------|
| | 3.0v | Closed | Open | Closed | Open |
|---+------+--------------+------------+----------+----------|
| | 3.1v | Closed | Open | Closed | Closed |
|---+------+--------------+------------+----------+----------|
| | 3.2v | Closed | Closed | Open | Open |
|---+------+--------------+------------+----------+----------|
| » | 3.3v | Closed | Closed | Open | Closed |
|---+------+--------------+------------+----------+----------|
| | 3.4v | Closed | Closed | Closed | Open |
|---+------+--------------+------------+----------+----------|
| | 3.5v | Closed | Closed | Closed | Closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU 2 VOLTAGE SELECTION |
|------------------------------------------------------------|
| Voltage | CN3/pins 1 & | CN3/pins 2 | CN3/pins | CN3/pins |
| | 5 | & 6 | 3 & 7 | 4 & 8 |
|----------+--------------+------------+----------+----------|
| | 2.1v | Open | Open | Open | Closed |
|---+------+--------------+------------+----------+----------|
| | 2.2v | Open | Open | Closed | Open |
|---+------+--------------+------------+----------+----------|
| | 2.3v | Open | Open | Closed | Closed |
|---+------+--------------+------------+----------+----------|
| | 2.4v | Open | Closed | Open | Open |
|---+------+--------------+------------+----------+----------|
| | 2.5v | Open | Closed | Open | Closed |
|---+------+--------------+------------+----------+----------|
| | 2.6v | Open | Closed | Closed | Open |
|---+------+--------------+------------+----------+----------|
| | 2.7v | Open | Closed | Closed | Closed |
|---+------+--------------+------------+----------+----------|
| | 2.8v | Closed | Open | Open | Open |
|---+------+--------------+------------+----------+----------|
| | 2.9v | Closed | Open | Open | Closed |
|---+------+--------------+------------+----------+----------|
| | 3.0v | Closed | Open | Closed | Open |
|---+------+--------------+------------+----------+----------|
| | 3.1v | Closed | Open | Closed | Closed |
|---+------+--------------+------------+----------+----------|
| | 3.2v | Closed | Closed | Open | Open |
|---+------+--------------+------------+----------+----------|
| » | 3.3v | Closed | Closed | Open | Closed |
|---+------+--------------+------------+----------+----------|
| | 3.4v | Closed | Closed | Closed | Open |
|---+------+--------------+------------+----------+----------|
| | 3.5v | Closed | Closed | Closed | Closed |
+------------------------------------------------------------+