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# SOLTEK, INC.
SL-61A
Processor Pentium II
Processor Speed 233/266MHz
Chip Set Intel
Video Chip Set None
Maximum Onboard 384MB (EDO supported)
Memory
Maximum Video None
Memory
Cache 256/512KB (located on Pentium II CPU)
BIOS Award
Dimensions 330mm x 220mm
I/O Options 32-bit PCI slots (4), floppy drive interface,
green PC connector, IDE interfaces (2),
parallel port, PS/2 mouse interface, serial
ports (2), IR connector, USB connector, ATX
power connector
NPU Options None
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|-------------------+----------+------------------+----------|
| ATX power | ATX | IR connector | J1B |
| connector | | | |
|-------------------+----------+------------------+----------|
| Serial port 2 | CN1 | Soft off power | J1C |
| | | supply | |
|-------------------+----------+------------------+----------|
| Serial port 1 | CN2 | Green PC | J1D |
| | | connector | |
|-------------------+----------+------------------+----------|
| Parallel port | CN3 | Speaker | J2A |
|-------------------+----------+------------------+----------|
| Floppy drive | CN4 | Reset switch | J2B |
| interface | | | |
|-------------------+----------+------------------+----------|
| IDE interface 1 | CN5 | Power LED & | J2C |
| | | keylock | |
|-------------------+----------+------------------+----------|
| IDE interface 2 | CN6 | Turbo LED | J2D |
|-------------------+----------+------------------+----------|
| PS/2 mouse | CN7 | 32-bit PCI slots | PC1 – |
| interface | | | PC4 |
|-------------------+----------+------------------+----------|
| Chassis fan power | FAN | USB connector | USB |
|-------------------+----------+------------------+----------|
| IDE interface LED | J1A | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Label | Position |
|--------------------------------------+--------+------------|
| » | Factory configured - do not | JP2 | Closed |
| | alter | | |
|----+---------------------------------+--------+------------|
| » | Factory configured - do not | JP6 | Open |
| | alter | | |
|----+---------------------------------+--------+------------|
| » | Factory configured - do not | JP7 | Closed |
| | alter | | |
|----+---------------------------------+--------+------------|
| » | Factory configured - do not | JP8 | Open |
| | alter | | |
|----+---------------------------------+--------+------------|
| » | CMOS memory normal operation | JP9 | Pins 1 & 2 |
| | | | closed |
|----+---------------------------------+--------+------------|
| | CMOS memory clear | JP9 | Pins 2 & 3 |
| | | | closed |
|----+---------------------------------+--------+------------|
| » | Power supply select AT | JP11 | Pins 1 & 2 |
| | | | closed |
|----+---------------------------------+--------+------------|
| | Power supply select ATX | JP11 | Pins 2 & 3 |
| | | | closed |
|------------------------------------------------------------|
| Note: The location of the factory configured jumpers are |
| unidentified. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DIMM/ SIMM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | Bank 2 | Bank 3 |
|------+-------------+-------------+------------+------------|
| 8MB | (2) 1M x 36 | None | None | None |
|------+-------------+-------------+------------+------------|
| 8MB | None | None | (1) 1M x | None |
| | | | 64 | |
|------+-------------+-------------+------------+------------|
| 16MB | (2) 2M x 36 | None | None | None |
|------+-------------+-------------+------------+------------|
| 16MB | None | None | (1) 2M x | None |
| | | | 64 | |
|------+-------------+-------------+------------+------------|
| 16MB | (2) 1M x 36 | (2) 1M x 36 | None | None |
|------+-------------+-------------+------------+------------|
| 16MB | (2) 1M x 36 | None | None | (1) 1M x |
| | | | | 64 |
|------+-------------+-------------+------------+------------|
| 16MB | None | None | (1) 1M x | (1) 1M x |
| | | | 64 | 64 |
|------+-------------+-------------+------------+------------|
| 24MB | None | (2) 2M x 36 | (1) 1M x | None |
| | | | 64 | |
|------+-------------+-------------+------------+------------|
| 32MB | (2) 4M x 36 | None | None | None |
|------+-------------+-------------+------------+------------|
| 32MB | None | None | (1) 4M x | None |
| | | | 64 | |
|------+-------------+-------------+------------+------------|
| 32MB | (2) 2M x 36 | None | None | (1) 2M x |
| | | | | 64 |
|------+-------------+-------------+------------+------------|
| 32MB | None | (2) 2M x 36 | (1) 2M x | None |
| | | | 64 | |
|------+-------------+-------------+------------+------------|
| 40MB | (2) 4M x 36 | (2) 1M x 36 | None | None |
|------+-------------+-------------+------------+------------|
| 40MB | (2) 4M x 36 | None | None | (1) 1M x |
| | | | | 64 |
|------+-------------+-------------+------------+------------|
| 48MB | (2) 2M x 36 | None | None | (1) 4M x |
| | | | | 64 |
|------+-------------+-------------+------------+------------|
| 48MB | (2) 4M x 36 | (2) 2M x 36 | None | None |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DIMM/SIMM CONFIGURATION (CON’T) |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | Bank 2 | Bank 3 |
|-------+-------------+------------+------------+------------|
| 48MB | (2) 4M x 36 | None | None | (1) 2M x |
| | | | | 64 |
|-------+-------------+------------+------------+------------|
| 64MB | (2) 8M x 36 | None | None | None |
|-------+-------------+------------+------------+------------|
| 64MB | None | None | None | (1) 8M x |
| | | | | 64 |
|-------+-------------+------------+------------+------------|
| 64MB | (2) 4M x 36 | (2) 4M x | None | None |
| | | 36 | | |
|-------+-------------+------------+------------+------------|
| 64MB | (2) 4M x 36 | None | None | (1) 4M x |
| | | | | 64 |
|-------+-------------+------------+------------+------------|
| 72MB | (2) 8M x 36 | (2) 1M x | None | None |
| | | 36 | | |
|-------+-------------+------------+------------+------------|
| 72MB | (2) 8M x 36 | None | None | (1) 1M x |
| | | | | 64 |
|-------+-------------+------------+------------+------------|
| 80MB | (2) 2M x 36 | None | None | (1) 8M x |
| | | | | 64 |
|-------+-------------+------------+------------+------------|
| 80MB | (2) 8M x 36 | (2) 2M x | None | None |
| | | 36 | | |
|-------+-------------+------------+------------+------------|
| 80MB | (2) 8M x 36 | None | None | (1) 2M x |
| | | | | 64 |
|-------+-------------+------------+------------+------------|
| 96MB | (2) 4M x 36 | None | None | (1) 8M x |
| | | | | 64 |
|-------+-------------+------------+------------+------------|
| 96MB | (2) 8M x 36 | (2) 4M x | None | None |
| | | 36 | | |
|-------+-------------+------------+------------+------------|
| 96MB | (2) 8M x 36 | None | None | (1) 4M x |
| | | | | 64 |
|-------+-------------+------------+------------+------------|
| 128MB | None | None | (1) 16M x | None |
| | | | 64 | |
|-------+-------------+------------+------------+------------|
| 128MB | (2) 16M x | None | None | None |
| | 36 | | | |
|-------+-------------+------------+------------+------------|
| 128MB | (2) 8M x 36 | (2) 8M x | None | None |
| | | 36 | | |
|-------+-------------+------------+------------+------------|
| 128MB | (2) 8M x 36 | None | None | (1) 8M x |
| | | | | 64 |
|-------+-------------+------------+------------+------------|
| 136MB | None | None | (1) 16M x | (1) 1M x |
| | | | 64 | 64 |
|-------+-------------+------------+------------+------------|
| 136MB | (2) 16M x | (2) 1M x | None | None |
| | 36 | 36 | | |
|-------+-------------+------------+------------+------------|
| 144MB | None | None | (1) 16M x | (1) 2M x |
| | | | 64 | 64 |
|-------+-------------+------------+------------+------------|
| 144MB | (2) 16M x | (2) 2M x | None | None |
| | 36 | 36 | | |
|-------+-------------+------------+------------+------------|
| 160MB | None | None | (1) 16M x | (1) 4M x |
| | | | 64 | 64 |
|-------+-------------+------------+------------+------------|
| 160MB | (2) 16M x | (2) 4M x | None | None |
| | 36 | 36 | | |
|-------+-------------+------------+------------+------------|
| 192MB | None | None | (1) 16M x | (1) 8M x |
| | | | 64 | 64 |
|-------+-------------+------------+------------+------------|
| 192MB | (2) 16M x | (2) 8M x | None | None |
| | 36 | 36 | | |
|-------+-------------+------------+------------+------------|
| 256MB | None | None | (1) 16M x | (1) 16M x |
| | | | 64 | 64 |
|-------+-------------+------------+------------+------------|
| 256MB | (2) 16M x | (2) 16M x | None | None |
| | 36 | 36 | | |
|-------+-------------+------------+------------+------------|
| 288MB | (2) 16M x | (2) 16M x | (1) 4M x | None |
| | 36 | 36 | 64 | |
|-------+-------------+------------+------------+------------|
| 320MB | (2) 16M x | (2) 16M x | (1) 8M x | None |
| | 36 | 36 | 64 | |
|-------+-------------+------------+------------+------------|
| 384MB | (2) 16M x | (2) 16M x | (1) 16M x | None |
| | 36 | 36 | 64 | |
|------------------------------------------------------------|
| Note: Board accepts EDO memory. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DIMM VOLTAGE CONFIGURATION |
|------------------------------------------------------------|
| Voltage | JP1 | JP3 |
|----------+------------------------+------------------------|
| » | 3.3v | Open | Pins 1 & 2, 3 & 4, 5 & |
| | | | 6 closed |
|---+------+------------------------+------------------------|
| | 5v | Pins 1 & 2, 3 & 4, 5 & | Open |
| | | 6 closed | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE CONFIGURATION |
|------------------------------------------------------------|
| Note: 256KB/512KB cache is located on the Pentium II CPU. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION |
|------------------------------------------------------------|
| CPU speed | Clock | Multiplier | SW1/1 | SW1/2 | SW1/3 |
| | speed | | | | |
|-----------+-----------+------------+-------+-------+-------|
| 233MHz | 66MHz | 3.5x | On | Off | Off |
|-----------+-----------+------------+-------+-------+-------|
| 266MHz | 66MHz | 4x | On | Off | Off |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (CON’T) |
|------------------------------------------------------------|
| CPU speed | Clock | Multiplier | SW1/4 | SW1/5 | SW1/6 |
| | speed | | | | |
|-----------+-----------+------------+-------+-------+-------|
| 233MHz | 66MHz | 3.5x | On | Off | Off |
|-----------+-----------+------------+-------+-------+-------|
| 266MHz | 66MHz | 4x | Off | On | On |
+------------------------------------------------------------+