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# ACER, INC.
ACERALTOS 930 (M17A), M17A
Device Type Mainboard
Processor Pentium II
Processor Speed 233/266/300MHz
Chip Set Intel 440LX
Maximum Onboard 512MB (SDRAM supported)
Memory
Cache 256/512KB (located on Pentium II CPU)
BIOS Acer
Dimensions 305mm x 244mm
I/O Options 32-bit PCI slots (4), floppy drive interface,
IDE interfaces (2), SCSI interface, Wide
Ultra SCSI interface, parallel port, PS/2
mouse port, serial ports (2), feature
connector, USB connectors (2), ATX power
connector, AGP slot
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|-------------------+----------+------------------+----------|
| AGP slot | AGP | Floppy drive | CN18 |
| | | interface | |
|-------------------+----------+------------------+----------|
| ATX power | ATX | Soft off power | CN19 |
| connector | | supply | |
|-------------------+----------+------------------+----------|
| Power connector | CN1 | Chassis fan | CN20 |
| | | power 1 | |
|-------------------+----------+------------------+----------|
| Chassis fan power | CN3 | IDE interface 1 | CN21 |
| 3 | | | |
|-------------------+----------+------------------+----------|
| Chassis fan power | CN4 | Power LED | CN22 |
| 2 | | | |
|-------------------+----------+------------------+----------|
| 3.3v power | CN6 | IDE interface 2 | CN23 |
|-------------------+----------+------------------+----------|
| USB connector 1 | CN7 | Reset switch | CN24 |
|-------------------+----------+------------------+----------|
| USB connector 2 | CN7A | RDM connector | CN25 |
|-------------------+----------+------------------+----------|
| CPU 1 fan power | CN9 | Redundant power | CN26 |
| | | status connector | |
|-------------------+----------+------------------+----------|
| Thermal sensor | CN10 | RDM connector | CN28 |
| connector 1 | | | |
|-------------------+----------+------------------+----------|
| Parallel port | CN11 | Feature | CN29 |
| | | connector | |
|-------------------+----------+------------------+----------|
| Serial port 1 | CN11A | SCSI interface | CN30 |
|-------------------+----------+------------------+----------|
| Serial port 2 | CN11B | Housing door | CN31 |
| | | connector | |
|-------------------+----------+------------------+----------|
| IDE interface LED | CN14 | Ultra Wide SCSI | CN32 |
| | | interface | |
|-------------------+----------+------------------+----------|
| PS/2 mouse port | CN15 | Speaker | CN33 |
|-------------------+----------+------------------+----------|
| CPU 2 fan power | CN16 | 32-bit PCI slots | PC1 - |
| | | | PC4 |
|-------------------+----------+------------------+----------|
| Thermal sensor | CN17 | | |
| connector 2 | | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Label | Position |
|-------------------------------------+-------+--------------|
| » | Factory configured - do not | CN2 | Unidentified |
| | alter | | |
|---+---------------------------------+-------+--------------|
| » | Factory configured - do not | CN5 | Unidentified |
| | alter | | |
|---+---------------------------------+-------+--------------|
| » | Factory configured - do not | CN27 | Unidentified |
| | alter | | |
|---+---------------------------------+-------+--------------|
| » | Power down for 250W power | JP1 | Pins 2 & 3 |
| | supply enabled | | closed |
|---+---------------------------------+-------+--------------|
| | Power down for 250W power | JP1 | Pins 1 & 2 |
| | supply disabled | | closed |
|---+---------------------------------+-------+--------------|
| » | BIOS type select Acer | JP8 | Pins 1 & 2 |
| | | | closed |
|---+---------------------------------+-------+--------------|
| | BIOS type select OEM | JP8 | Pins 2 & 3 |
| | | | closed |
|---+---------------------------------+-------+--------------|
| » | Password disabled | JP9 | Pins 2 & 3 |
| | | | closed |
|---+---------------------------------+-------+--------------|
| | Password enabled | JP9 | Pins 1 & 2 |
| | | | closed |
|---+---------------------------------+-------+--------------|
| » | Buzzer enabled | JP11 | Pins 1 & 2 |
| | | | closed |
|---+---------------------------------+-------+--------------|
| | External speaker enabled | JP11 | Pins 2 & 3 |
| | | | closed |
|---+---------------------------------+-------+--------------|
| » | Termination enabled | JP12 | Pins 1 & 2 |
| | | | closed |
|---+---------------------------------+-------+--------------|
| | Termination switchable through | JP12 | Pins 2 & 3 |
| | SCSI select utility | | closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DIMM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | Bank 2 | Bank 3 |
|---------+-------------+-------------+-----------+----------|
| 8MB | (1) 1M x 64 | None | None | None |
|---------+-------------+-------------+-----------+----------|
| 16MB | (1) 2M x 64 | None | None | None |
|---------+-------------+-------------+-----------+----------|
| 16MB | (1) 1M x 64 | (1) 1M x 64 | None | None |
|---------+-------------+-------------+-----------+----------|
| 24MB | (1) 2M x 64 | (1) 1M x 64 | None | None |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DIMM CONFIGURATION (CON'T) |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | Bank 2 | Bank 3 |
|-------+-------------+------------+------------+------------|
| 24MB | (1) 1M x 64 | (1) 1M x | (1) 1M x | None |
| | | 64 | 64 | |
|-------+-------------+------------+------------+------------|
| 32MB | (1) 4M x 64 | None | None | None |
|-------+-------------+------------+------------+------------|
| 32MB | (1) 2M x 64 | (1) 2M x | None | None |
| | | 64 | | |
|-------+-------------+------------+------------+------------|
| 32MB | (1) 1M x 64 | (1) 1M x | (1) 1M x | (1) 1M x |
| | | 64 | 64 | 64 |
|-------+-------------+------------+------------+------------|
| 40MB | (1) 4M x 64 | (1) 1M 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 | | |
|-------+-------------+------------+------------+------------|
| 72MB | (1) 8M x 64 | (1) 1M 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 |
|-------+-------------+------------+------------+------------|
| 136MB | (1) 16M x | (1) 1M x | None | None |
| | 64 | 64 | | |
|-------+-------------+------------+------------+------------|
| 144MB | (1) 16M x | (1) 2M 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 | |
|-------+-------------+------------+------------+------------|
| 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 |
|-------+-------------+------------+------------+------------|
| 272MB | (1) 16M x | (1) 16M x | (1) 1M x | (1) 1M x |
| | 64 | 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 |
|-------+-------------+------------+------------+------------|
| 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 SDRAM memory. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE CONFIGURATION |
|------------------------------------------------------------|
| Note: 256KB/512KB cache is located on the Pentium II CPU. |
+------------------------------------------------------------+
+---------------------------------------------------------------+
| CPU SPEED SELECTION |
|---------------------------------------------------------------|
| CPU |Clock|Multiplier|JP5/pins|JP5/pins|JP5/pins|JP5/pins|JP6|
|speed |speed| | 1 & 2 | 3 & 4 | 5 & 6 | 7 & 8 | |
|------+-----+----------+--------+--------+--------+--------+---|
|266MHz|66MHz| 4x | Closed | Closed | Closed | Open |1 &|
| | | | | | | |2, |
| | | | | | | |4 &|
| | | | | | | | 5 |
|------+-----+----------+--------+--------+--------+--------+---|
|300MHz|66MHz| 4.5x | Closed | Open | Closed | Open |1 &|
| | | | | | | |2, |
| | | | | | | |4 &|
| | | | | | | | 5 |
|------+-----+----------+--------+--------+--------+--------+---|
|333MHz|66MHz| 5x | Closed | Closed | Open | Open |1 &|
| | | | | | | |2, |
| | | | | | | |4 &|
| | | | | | | | 5 |
|---------------------------------------------------------------|
|Note: Pins designated should be in the closed position. |
+---------------------------------------------------------------+
+------------------------------------------------------------+
| CPU TYPE SELECTION |
|------------------------------------------------------------|
| Type | JP3 | JP4 |
|------------------------+-----------------+-----------------|
| » | CPU1 installed | Pins 1 & 2 | Pins 1 & 2 |
| | | closed | closed |
|---+--------------------+-----------------+-----------------|
| | CPU2 installed | Pins 2 & 3 | Pins 2 & 3 |
| | | closed | closed |
|---+--------------------+-----------------+-----------------|
| | Both slots | Pins 2 & 3 | Pins 1 & 2 |
| | installed | closed | closed |
+------------------------------------------------------------+