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# GENOA SYSTEMS CORPORATION
TURBOEXPRESS 586-FX
Processor 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 330mm x 218mm
I/O Options 32-bit PCI slots (3), floppy drive interface,
green PC connector, IDE interfaces (2),
parallel port, PS/2 mouse port, serial ports
(2), cache slot, IR connector, VRM connector
NPU Options None
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|-------------------+----------+------------------+----------|
| Serial port 2 | CN1 | Turbo LED | J3 |
|-------------------+----------+------------------+----------|
| Serial port 1 | CN2 | Green PC | J4 |
| | | connector | |
|-------------------+----------+------------------+----------|
| Parallel port | CN3 | IDE interface | J5 |
| | | LED | |
|-------------------+----------+------------------+----------|
| Floppy drive | CN4 | Speaker | J6 |
| interface | | | |
|-------------------+----------+------------------+----------|
| IDE interface 2 | CN5 | Power LED & | J7 |
| | | keylock | |
|-------------------+----------+------------------+----------|
| IDE interface 1 | CN6 | 32-bit PCI slots | PC1 - |
| | | | PC3 |
|-------------------+----------+------------------+----------|
| PS/2 mouse port | CN7 | Cache slot | SL1 |
|-------------------+----------+------------------+----------|
| IR connector | J1 | VRM connector | VRM |
|-------------------+----------+------------------+----------|
| Reset switch | J2 | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Label | Position |
|-------------------------------------+---------+------------|
| » | CMOS memory normal operation | JP14 | Open |
|---+---------------------------------+---------+------------|
| | CMOS memory clear | JP14 | Closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 |
|----------------+---------------------+---------------------|
| 8MB | (2) 1M x 36 | None |
|----------------+---------------------+---------------------|
| 16MB | (2) 2M x 36 | None |
|----------------+---------------------+---------------------|
| 16MB | (2) 1M x 36 | (2) 1M x 36 |
|----------------+---------------------+---------------------|
| 24MB | (2) 2M x 36 | (2) 1M x 36 |
|----------------+---------------------+---------------------|
| 32MB | (2) 4M x 36 | None |
|----------------+---------------------+---------------------|
| 32MB | (2) 2M x 36 | (2) 2M x 36 |
|----------------+---------------------+---------------------|
| 40MB | (2) 4M x 36 | (2) 1M x 36 |
|----------------+---------------------+---------------------|
| 48MB | (2) 4M x 36 | (2) 2M x 36 |
|----------------+---------------------+---------------------|
| 64MB | (2) 8M x 36 | None |
|----------------+---------------------+---------------------|
| 64MB | (2) 4M x 36 | (2) 4M x 36 |
|----------------+---------------------+---------------------|
| 72MB | (2) 8M x 36 | (2) 1M x 36 |
|----------------+---------------------+---------------------|
| 80MB | (2) 8M x 36 | (2) 2M x 36 |
|----------------+---------------------+---------------------|
| 96MB | (2) 8M x 36 | (2) 4M x 36 |
|----------------+---------------------+---------------------|
| 128MB | (2) 8M x 36 | (2) 8M x 36 |
|------------------------------------------------------------|
| Note: Board accepts EDO memory. Banks are interchangeable. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | SL1 | TAG |
|-----------+--------------+----------------+----------------|
| 256KB (A) | (2) 32K x 32 | Not installed | (1) 8K/16K/32K |
| | | | x 8 |
|-----------+--------------+----------------+----------------|
| 256KB (B) | None | 256KB module | None |
| | | installed | |
|-----------+--------------+----------------+----------------|
| 512KB (A) | (2) 32K x 32 | 256KB module | (1) 8K/16K/32K |
| | | installed | x 8 |
|-----------+--------------+----------------+----------------|
| 512KB (B) | None | 512KB module | None |
| | | installed | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE JUMPER CONFIGURATION |
|------------------------------------------------------------|
| Size | JP30 | JP32 | JP33 |
|-----------+----------------+---------------+---------------|
| 256KB (A) | Pins 2 & 3 | Pins 1 & 2 | Pins 1 & 2 |
| | closed | closed | closed |
|-----------+----------------+---------------+---------------|
| 256KB (B) | Pins 1 & 2 | Pins 2 & 3 | Pins 1 & 2 |
| | closed | closed | closed |
|-----------+----------------+---------------+---------------|
| 512KB (A) | Pins 1 & 2 | Pins 2 & 3 | Pins 1 & 2 |
| | closed | closed | closed |
|-----------+----------------+---------------+---------------|
| 512KB (B) | Pins 1 & 2 | Pins 2 & 3 | Pins 1 & 2 |
| | closed | closed | closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION |
|------------------------------------------------------------|
| CPU | Clock | Multiplier | JP8 | JP9 | JP11 |
| speed | speed | | | | |
|----------+--------+------------+----------+-------+--------|
| 75MHz | 50MHz | 1.5x | 1 & 2 | 1 & 2 | 1 & 2, |
| | | | | | 5 & 6 |
|----------+--------+------------+----------+-------+--------|
| 90MHz | 60MHz | 1.5x | 2 & 3 | 2 & 3 | 1 & 2, |
| | | | | | 5 & 6 |
|----------+--------+------------+----------+-------+--------|
| 100MHz | 66MHz | 1.5x | 1 & 2, 4 | 2 & 3 | 1 & 2, |
| | | | & 5 | | 5 & 6 |
|----------+--------+------------+----------+-------+--------|
| 120MHz | 60MHz | 2x | 2 & 3 | 2 & 3 | 2 & 3, |
| | | | | | 5 & 6 |
|----------+--------+------------+----------+-------+--------|
| 133MHz | 66MHz | 2x | 1 & 2, 4 | 2 & 3 | 2 & 3, |
| | | | & 5 | | 5 & 6 |
|----------+--------+------------+----------+-------+--------|
| 150MHz | 60MHz | 2.5x | 2 & 3 | 2 & 3 | 2 & 3, |
| | | | | | 4 & 5 |
|----------+--------+------------+----------+-------+--------|
| 166MHz | 66MHz | 2.5x | 1 & 2, 4 | 2 & 3 | 2 & 3, |
| | | | & 5 | | 4 & 5 |
|----------+--------+------------+----------+-------+--------|
| 180MHz | 60MHz | 3x | 2 & 3 | 2 & 3 | 1 & 2, |
| | | | | | 4 & 5 |
|----------+--------+------------+----------+-------+--------|
| 200MHz | 66MHz | 3x | 1 & 2, 4 | 2 & 3 | 1 & 2, |
| | | | & 5 | | 4 & 5 |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU TYPE SELECTION |
|------------------------------------------------------------|
| Type | VRM |
|----------------------------+-------------------------------|
| P54C/P54CT/P54CTB | Pins 11 & 13, 12 & 14 closed |
|----------------------------+-------------------------------|
| P55C | VRM installed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU VOLTAGE SELECTION |
|------------------------------------------------------------|
| Voltage | JP13 |
|-----------------------------------+------------------------|
| » | 3.3v | Open |
|---+-------------------------------+------------------------|
| | 3.45v - 3.6v | Closed |
+------------------------------------------------------------+