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# FLASH TECH, INC.
SL-55A2, SL-55A5
Processor CX M1/AM K5/Pentium
Processor Speed 75/90/100/120/133/150/166/180/200MHz
Chip Set Intel
Video Chip Set None
Maximum Onboard 128MB (EDO supported)
Memory
Maximum Video None
Memory
Cache 256/512KB
BIOS Award
Dimensions 280mm x 220mm
I/O Options 32-bit PCI slots (4), floppy drive interface,
green PC connector, IDE interfaces (2),
parallel port, PS/2 mouse port, serial ports
(2), cache slot, IR connector, USB connectors
(2), ATX power connector, soft on power
connector
NPU Options None
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|-------------------+----------+------------------+----------|
| ATX power | ATX | Speaker | JC1 |
| connector | | | |
|-------------------+----------+------------------+----------|
| Serial port 2 | CN1 | Reset switch | JC2 |
|-------------------+----------+------------------+----------|
| Parallel port | CN2 | Power LED & | JC3 |
| | | keylock | |
|-------------------+----------+------------------+----------|
| PS/2 mouse port | CN3 | Turbo LED | JC4 |
|-------------------+----------+------------------+----------|
| Serial port 1 | CN4 | Green PC | JC5 |
| | | connector | |
|-------------------+----------+------------------+----------|
| Floppy drive | CN5 | Soft on power | JP15 |
| interface | | connector | |
|-------------------+----------+------------------+----------|
| IDE interface 2 | CN6 | 32-bit PCI slots | PC1 - |
| | | | PC4 |
|-------------------+----------+------------------+----------|
| IDE interface 1 | CN7 | Cache slot | SL1 |
|-------------------+----------+------------------+----------|
| IDE interface LED | HD1 | USB connector 1 | USB1 |
|-------------------+----------+------------------+----------|
| IR connector | IR1 | USB connector 2 | USB2 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Label | Position |
|---------------------------------------+--------+-----------|
| » | Factory configured - do not alter | JP5 | Closed |
|---+-----------------------------------+--------+-----------|
| » | CMOS memory normal operation | JP24 | Open |
|---+-----------------------------------+--------+-----------|
| | CMOS memory clear | JP24 | Closed |
|---+-----------------------------------+--------+-----------|
| » | Monitor type select color | JP25 | Closed |
|---+-----------------------------------+--------+-----------|
| | Monitor type select monochrome | JP25 | Open |
|------------------------------------------------------------|
| Note: The location of JP5 is unidentified. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | Bank 2 | Bank 3 |
|------+-------------+-------------+------------+------------|
| 8MB | None | None | (1) 1M x | None |
| | | | 64 | |
|------+-------------+-------------+------------+------------|
| 8MB | (2) 1M x 36 | None | None | None |
|------+-------------+-------------+------------+------------|
| 16MB | None | None | (1) 2M x | None |
| | | | 64 | |
|------+-------------+-------------+------------+------------|
| 16MB | None | None | (1) 1M x | (1) 1M x |
| | | | 64 | 64 |
|------+-------------+-------------+------------+------------|
| 16MB | (2) 2M x 36 | None | None | None |
|------+-------------+-------------+------------+------------|
| 16MB | (2) 1M x 36 | (2) 1M x 36 | None | None |
|------+-------------+-------------+------------+------------|
| 24MB | None | None | (1) 2M x | (1) 1M x |
| | | | 64 | 64 |
|------+-------------+-------------+------------+------------|
| 24MB | (2) 1M x 36 | (2) 2M x 36 | None | None |
|------+-------------+-------------+------------+------------|
| 32MB | None | None | (1) 4M x | None |
| | | | 64 | |
|------+-------------+-------------+------------+------------|
| 32MB | None | None | (1) 2M x | (1) 2M x |
| | | | 64 | 64 |
|------+-------------+-------------+------------+------------|
| 32MB | (2) 4M x 36 | None | None | None |
|------+-------------+-------------+------------+------------|
| 32MB | (2) 2M x 36 | (2) 2M x 36 | None | None |
|------+-------------+-------------+------------+------------|
| 40MB | None | None | (1) 4M x | (1) 1M x |
| | | | 64 | 64 |
|------+-------------+-------------+------------+------------|
| 40MB | (2) 4M x 36 | (2) 1M x 36 | None | None |
|------+-------------+-------------+------------+------------|
| 48MB | None | None | (1) 4M x | (1) 2M x |
| | | | 64 | 64 |
|------+-------------+-------------+------------+------------|
| 48MB | (2) 4M x 36 | (2) 2M x 36 | None | None |
|------+-------------+-------------+------------+------------|
| 64MB | None | None | (1) 8M x | None |
| | | | 64 | |
|------+-------------+-------------+------------+------------|
| 64MB | None | None | (1) 4M x | (1) 4M x |
| | | | 64 | 64 |
|------+-------------+-------------+------------+------------|
| 64MB | (2) 8M x 36 | None | None | None |
|------+-------------+-------------+------------+------------|
| 64MB | (2) 4M x 36 | (2) 4M x 36 | None | None |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION (CON’T) |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | Bank 2 | Bank 3 |
|----------+-------------+-----------+-----------+-----------|
| 72MB | None | None | (1) 8M x | (1) 1M x |
| | | | 64 | 64 |
|----------+-------------+-----------+-----------+-----------|
| 72MB | (2) 8M x 36 | (2) 1M x | None | None |
| | | 36 | | |
|----------+-------------+-----------+-----------+-----------|
| 80MB | None | None | (1) 8M x | (1) 2M x |
| | | | 64 | 64 |
|----------+-------------+-----------+-----------+-----------|
| 80MB | (2) 8M x 36 | (2) 2M x | None | None |
| | | 36 | | |
|----------+-------------+-----------+-----------+-----------|
| 96MB | None | None | (1) 8M x | (1) 4M x |
| | | | 64 | 64 |
|----------+-------------+-----------+-----------+-----------|
| 96MB | (2) 8M x 36 | (2) 4M x | None | None |
| | | 36 | | |
|----------+-------------+-----------+-----------+-----------|
| 128MB | None | None | (1) 8M x | (1) 8M x |
| | | | 64 | 64 |
|----------+-------------+-----------+-----------+-----------|
| 128MB | (2) 8M x 36 | (2) 8M x | None | None |
| | | 36 | | |
|------------------------------------------------------------|
| Note: Board accepts EDO memory. Banks are 0 & 1, 2 & |
| 3 are interchangeable. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | SL1 | TAG |
|-------+--------------+----------------------+--------------|
| 256KB | (2) 32K x 32 | Not installed | Unidentified |
|-------+--------------+----------------------+--------------|
| 512KB | (2) 32K x 32 | 256KB module | Unidentified |
| | | installed | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE JUMPER CONFIGURATION |
|------------------------------------------------------------|
| Size | JP10 |
|----------------------------+-------------------------------|
| 256KB | Pins 1 & 2 closed |
|----------------------------+-------------------------------|
| 512KB | Pins 2 & 3 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (CYRIX) |
|------------------------------------------------------------|
| CPU | Clock | Multiplier | JP13 | JP14 | JP17 | JP18 |
| speed | speed | | | | | |
|--------+--------+------------+--------+------+------+------|
| 120MHz | 50MHz | 2x | Closed | Open | 1 & | 1 & |
| | | | | | 2 | 2 |
|--------+--------+------------+--------+------+------+------|
| 133MHz | 55MHz | 2x | Closed | Open | 2 & | 1 & |
| | | | | | 3 | 2 |
|--------+--------+------------+--------+------+------+------|
| 150MHz | 60MHz | 2x | Closed | Open | 1 & | 2 & |
| | | | | | 2 | 3 |
|--------+--------+------------+--------+------+------+------|
| 166MHz | 66MHz | 2x | Closed | Open | 2 & | 2 & |
| | | | | | 3 | 3 |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (AMD) |
|------------------------------------------------------------|
| CPU | Clock | Multiplier | JP13 | JP14 | JP17 | JP18 |
| speed | speed | | | | | |
|--------+--------+------------+--------+------+------+------|
| 75MHz | 50MHz | 1.5x | Open | Open | 1 & | 1 & |
| | | | | | 2 | 2 |
|--------+--------+------------+--------+------+------+------|
| 90MHz | 55MHz | 1.5x | Open | Open | 2 & | 1 & |
| | | | | | 3 | 2 |
|--------+--------+------------+--------+------+------+------|
| 90MHz | 60MHz | 1.5x | Open | Open | 1 & | 2 & |
| | | | | | 2 | 3 |
|--------+--------+------------+--------+------+------+------|
| 100MHz | 50MHz | 1.5x | Open | Open | 1 & | 1 & |
| | | | | | 2 | 2 |
|--------+--------+------------+--------+------+------+------|
| 100MHz | 55MHz | 1.5x | Open | Open | 2 & | 1 & |
| | | | | | 3 | 2 |
|--------+--------+------------+--------+------+------+------|
| 100MHz | 66MHz | 1.5x | Open | Open | 2 & | 2 & |
| | | | | | 3 | 3 |
|--------+--------+------------+--------+------+------+------|
| 120MHz | 60MHz | 2x | Open | Open | 1 & | 2 & |
| | | | | | 2 | 3 |
|--------+--------+------------+--------+------+------+------|
| 133MHz | 66MHz | 2x | Open | Open | 2 & | 2 & |
| | | | | | 3 | 3 |
|--------+--------+------------+--------+------+------+------|
| 150MHz | 60MHz | 2x | Closed | Open | 1 & | 2 & |
| | | | | | 2 | 3 |
|--------+--------+------------+--------+------+------+------|
| 166MHz | 66MHz | 2x | Closed | Open | 2 & | 2 & |
| | | | | | 3 | 3 |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (INTEL) |
|------------------------------------------------------------|
|CPU speed|Clock speed|Multiplier| JP13 | JP14 |JP17 |JP18 |
|---------+-----------+----------+-------+-------+-----+-----|
| 75MHz | 50MHz | 1.5x | Open | Open |1 & 2|1 & 2|
|---------+-----------+----------+-------+-------+-----+-----|
| 90MHz | 60MHz | 1.5x | Open | Open |1 & 2|2 & 3|
|---------+-----------+----------+-------+-------+-----+-----|
| 100MHz | 66MHz | 1.5x | Open | Open |2 & 3|2 & 3|
|---------+-----------+----------+-------+-------+-----+-----|
| 120MHz | 60MHz | 2x |Closed | Open |1 & 2|2 & 3|
|---------+-----------+----------+-------+-------+-----+-----|
| 133MHz | 66MHz | 2x |Closed | Open |2 & 3|2 & 3|
|---------+-----------+----------+-------+-------+-----+-----|
| 150MHz | 60MHz | 2.5x |Closed |Closed |1 & 2|2 & 3|
|---------+-----------+----------+-------+-------+-----+-----|
| 166MHz | 66MHz | 2.5x |Closed |Closed |2 & 3|2 & 3|
|---------+-----------+----------+-------+-------+-----+-----|
| 180MHz | 60MHz | 3x | Open |Closed |1 & 2|2 & 3|
|---------+-----------+----------+-------+-------+-----+-----|
| 200MHz | 66MHz | 3x | Open |Closed |2 & 3|2 & 3|
|------------------------------------------------------------|
|Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU VOLTAGE SELECTION |
|------------------------------------------------------------|
| Voltage | JP3 | JP4 | JP7 | JP8 |
|------------------+-------+-------+------------+------------|
| 2.5v (dual | 1 & 2 | 1 & 2 | 1 & 3, 2 & | 1 & 3, 2 & |
| voltage) | | | 4 | 4 |
|------------------+-------+-------+------------+------------|
| 2.8v (dual | 2 & 3 | 1 & 2 | 1 & 3, 2 & | 1 & 3, 2 & |
| voltage) | | | 4 | 4 |
|------------------+-------+-------+------------+------------|
| 3.38v (single | 1 & 2 | 2 & 3 | 3 & 5, 4 & | 3 & 5, 4 & |
| voltage) | | | 6 | 6 |
|------------------+-------+-------+------------+------------|
| 3.52v (single | 2 & 3 | 2 & 3 | 3 & 5, 4 & | 3 & 5, 4 & |
| voltage) | | | 6 | 6 |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+