TEXT View Source
# FIRST INTERNATIONAL COMPUTER, INC.
VT-503
Device Type Mainboard
Processor CX 6X86L/IBM 6X86L/CX 686MX/IBM 6X86MX/AM
K5/AM K6/Pentium
Processor Speed 90/100/120/133/150/166/200/233/266/300MHz
Chip Set Intel
Video Chip Set None
Maximum Onboard 512MB (EDO & SDRAM supported)
Memory
Maximum Video None
Memory
Cache 512KB
BIOS Unidentified
Dimensions 254mm x 218mm
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 connectors (2)
NPU Options None
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|----------------+-----------+-------------------+-----------|
| Power LED & | C1/pins 1 | Parallel port | CN3 |
| keylock | - 5 | | |
|----------------+-----------+-------------------+-----------|
| Turbo LED | C1/pins 6 | Floppy drive | CN4 |
| | & 7 | interface | |
|----------------+-----------+-------------------+-----------|
| Green PC | C1/pins 8 | IDE interface 2 | CN5 |
| connector | & 9 | | |
|----------------+-----------+-------------------+-----------|
| Green PC LED | C1/pins | IDE interface 1 | CN6 |
| | 10 & 11 | | |
|----------------+-----------+-------------------+-----------|
| Speaker | C1/pins | PS/2 mouse | CN7 |
| | 12 - 15 | interface | |
|----------------+-----------+-------------------+-----------|
| IDE interface | C1/pins | CPU fan power | CPU |
| LED | 16 & 17 | | |
|----------------+-----------+-------------------+-----------|
| Soft off power | C1/pins | EISCA CPU fan | EIC |
| supply | 18 & 19 | connector | |
|----------------+-----------+-------------------+-----------|
| Reset switch | C1/pins | IR connector | IR1 |
| | 20 & 21 | | |
|----------------+-----------+-------------------+-----------|
| Chassis fan | CHA | 32-bit PCI slots | PC1 – PC4 |
| power | | | |
|----------------+-----------+-------------------+-----------|
| Serial port 2 | CN1 | USB connector 1 | USB1 |
|----------------+-----------+-------------------+-----------|
| Serial port 1 | CN2 | USB connector 2 | USB2 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Label | Position |
|----------------------------------+-----------+-------------|
| » | Password disabled | CPW | Open |
|---+------------------------------+-----------+-------------|
| | Password enabled | CPW | Closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SIMM 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 |
|------------------+--------------------+--------------------|
| 128MB | (2) 16M x 36 | None |
|------------------+--------------------+--------------------|
| 136MB | (2) 16M x 36 | (2) 1M x 36 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SIMM CONFIGURATION (CON’T) |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 |
|------------------+--------------------+--------------------|
| 144MB | (2) 16M x 36 | (2) 2M x 36 |
|------------------+--------------------+--------------------|
| 160MB | (2) 16M x 36 | (2) 4M x 36 |
|------------------+--------------------+--------------------|
| 192MB | (2) 16M x 36 | (2) 8M x 36 |
|------------------+--------------------+--------------------|
| 256MB | (2) 16M x 36 | (2) 16M x 36 |
|------------------------------------------------------------|
| Note: Board accepts EDO memory. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DIMM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 2 | Bank 3 |
|------------------+--------------------+--------------------|
| 8MB | (1) 1M x 64 | None |
|------------------+--------------------+--------------------|
| 16MB | (1) 2M x 64 | None |
|------------------+--------------------+--------------------|
| 16MB | (1) 1M x 64 | (1) 1M x 64 |
|------------------+--------------------+--------------------|
| 24MB | (1) 2M x 64 | (1) 1M x 64 |
|------------------+--------------------+--------------------|
| 32MB | (1) 4M x 64 | None |
|------------------+--------------------+--------------------|
| 32MB | (1) 2M x 64 | (1) 2M x 64 |
|------------------+--------------------+--------------------|
| 40MB | (1) 4M x 64 | (1) 1M x 64 |
|------------------+--------------------+--------------------|
| 48MB | (1) 4M x 64 | (1) 2M x 64 |
|------------------+--------------------+--------------------|
| 64MB | (1) 8M x 64 | None |
|------------------+--------------------+--------------------|
| 64MB | (1) 4M x 64 | (1) 4M x 64 |
|------------------+--------------------+--------------------|
| 72MB | (1) 8M x 64 | (1) 1M x 64 |
|------------------+--------------------+--------------------|
| 80MB | (1) 8M x 64 | (1) 2M x 64 |
|------------------+--------------------+--------------------|
| 96MB | (1) 8M x 64 | (1) 4M x 64 |
|------------------+--------------------+--------------------|
| 128MB | (1) 16M x 64 | None |
|------------------+--------------------+--------------------|
| 128MB | (1) 8M x 64 | (1) 8M x 64 |
|------------------+--------------------+--------------------|
| 136MB | (1) 16M x 64 | (1) 1M x 64 |
|------------------+--------------------+--------------------|
| 144MB | (1) 16M x 64 | (1) 2M x 64 |
|------------------+--------------------+--------------------|
| 160MB | (1) 16M x 64 | (1) 4M x 64 |
|------------------+--------------------+--------------------|
| 192MB | (1) 16M x 64 | (1) 8M x 64 |
|------------------+--------------------+--------------------|
| 256MB | (1) 16M x 64 | (1) 16M x 64 |
|------------------------------------------------------------|
| Note: Board accepts SDRAM memory. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | TAG |
|------------------+--------------------+--------------------|
| 512KB | (1) 64K x 64 | Unidentified |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (CX 6X86) |
|------------------------------------------------------------|
| CPU speed | Clock | Multiplier | FREQ1 | FREQ2 | FREQ3 |
| | speed | | | | |
|------------+----------+------------+-------+-------+-------|
| 133MHz | 55MHz | 2x | 2 & 3 | 1 & 2 | 1 & 2 |
|------------+----------+------------+-------+-------+-------|
| 150MHz | 60MHz | 2x | 2 & 3 | 1 & 2 | 1 & 2 |
|------------+----------+------------+-------+-------+-------|
| 166MHz | 66MHz | 2x | 2 & 3 | 1 & 2 | 1 & 2 |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (IBM 6X86) |
|------------------------------------------------------------|
| CPU speed | Clock | Multiplier | FREQ1 | FREQ2 | FREQ3 |
| | speed | | | | |
|------------+----------+------------+-------+-------+-------|
| 133MHz | 55MHz | 2x | 2 & 3 | 1 & 2 | 1 & 2 |
|------------+----------+------------+-------+-------+-------|
| 150MHz | 60MHz | 2x | 2 & 3 | 1 & 2 | 1 & 2 |
|------------+----------+------------+-------+-------+-------|
| 166MHz | 66MHz | 2x | 2 & 3 | 1 & 2 | 1 & 2 |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (CX 6X86L) |
|------------------------------------------------------------|
| CPU speed | Clock | Multiplier | FREQ1 | FREQ2 | FREQ3 |
| | speed | | | | |
|------------+----------+------------+-------+-------+-------|
| 133MHz | 55MHz | 2x | 2 & 3 | 1 & 2 | 1 & 2 |
|------------+----------+------------+-------+-------+-------|
| 150MHz | 60MHz | 2x | 2 & 3 | 1 & 2 | 1 & 2 |
|------------+----------+------------+-------+-------+-------|
| 166MHz | 66MHz | 2x | 2 & 3 | 1 & 2 | 1 & 2 |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (IBM 6X86L) |
|------------------------------------------------------------|
| CPU speed | Clock | Multiplier | FREQ1 | FREQ2 | FREQ3 |
| | speed | | | | |
|------------+----------+------------+-------+-------+-------|
| 133MHz | 55MHz | 2x | 2 & 3 | 1 & 2 | 1 & 2 |
|------------+----------+------------+-------+-------+-------|
| 150MHz | 60MHz | 2x | 2 & 3 | 1 & 2 | 1 & 2 |
|------------+----------+------------+-------+-------+-------|
| 166MHz | 66MHz | 2x | 2 & 3 | 1 & 2 | 1 & 2 |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (CX 6X86MX) |
|------------------------------------------------------------|
| CPU speed | Clock | Multiplier | FREQ1 | FREQ2 | FREQ3 |
| | speed | | | | |
|------------+----------+------------+-------+-------+-------|
| 166MHz | 50MHz | 3x | 1 & 2 | 2 & 3 | 1 & 2 |
|------------+----------+------------+-------+-------+-------|
| 166MHz | 66MHz | 2x | 2 & 3 | 1 & 2 | 1 & 2 |
|------------+----------+------------+-------+-------+-------|
| 166MHz | 55MHz | 2.5x | 2 & 3 | 2 & 3 | 1 & 2 |
|------------+----------+------------+-------+-------+-------|
| 166MHz | 60MHz | 2.5x | 2 & 3 | 2 & 3 | 1 & 2 |
|------------+----------+------------+-------+-------+-------|
| 200MHz | 55MHz | 3x | 1 & 2 | 2 & 3 | 1 & 2 |
|------------+----------+------------+-------+-------+-------|
| 200MHz | 66MHz | 2.5x | 2 & 3 | 2 & 3 | 1 & 2 |
|------------+----------+------------+-------+-------+-------|
| 200MHz | 60MHz | 3x | 1 & 2 | 2 & 3 | 1 & 2 |
|------------+----------+------------+-------+-------+-------|
| 200MHz | 66MHz | 3x | 1 & 2 | 2 & 3 | 1 & 2 |
|------------+----------+------------+-------+-------+-------|
| 233MHz | 66MHz | 3.5x | 1 & 2 | 1 & 2 | 1 & 2 |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (IBM 6X86MX) |
|------------------------------------------------------------|
| CPU speed | Clock | Multiplier | FREQ1 | FREQ2 | FREQ3 |
| | speed | | | | |
|------------+----------+------------+-------+-------+-------|
| 166MHz | 50MHz | 3x | 1 & 2 | 2 & 3 | 1 & 2 |
|------------+----------+------------+-------+-------+-------|
| 166MHz | 66MHz | 2x | 2 & 3 | 1 & 2 | 1 & 2 |
|------------+----------+------------+-------+-------+-------|
| 166MHz | 55MHz | 2.5x | 2 & 3 | 2 & 3 | 1 & 2 |
|------------+----------+------------+-------+-------+-------|
| 166MHz | 60MHz | 2.5x | 2 & 3 | 2 & 3 | 1 & 2 |
|------------+----------+------------+-------+-------+-------|
| 200MHz | 55MHz | 3x | 1 & 2 | 2 & 3 | 1 & 2 |
|------------+----------+------------+-------+-------+-------|
| 200MHz | 66MHz | 2.5x | 2 & 3 | 2 & 3 | 1 & 2 |
|------------+----------+------------+-------+-------+-------|
| 200MHz | 60MHz | 3x | 1 & 2 | 2 & 3 | 1 & 2 |
|------------+----------+------------+-------+-------+-------|
| 200MHz | 66MHz | 3x | 1 & 2 | 2 & 3 | 1 & 2 |
|------------+----------+------------+-------+-------+-------|
| 233MHz | 66MHz | 3.5x | 1 & 2 | 1 & 2 | 1 & 2 |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (AM K5) |
|------------------------------------------------------------|
| CPU speed | Clock | Multiplier | FREQ1 | FREQ2 | FREQ3 |
| | speed | | | | |
|------------+----------+------------+-------+-------+-------|
| 90MHz | 60MHz | 1.5x | 1 & 2 | 1 & 2 | 1 & 2 |
|------------+----------+------------+-------+-------+-------|
| 100MHz | 66MHz | 1.5x | 1 & 2 | 1 & 2 | 1 & 2 |
|------------+----------+------------+-------+-------+-------|
| 120MHz | 60MHz | 1.5x | 1 & 2 | 1 & 2 | 1 & 2 |
|------------+----------+------------+-------+-------+-------|
| 133MHz | 66MHz | 1.5x | 1 & 2 | 1 & 2 | 1 & 2 |
|------------+----------+------------+-------+-------+-------|
| 150MHz | 60MHz | 1.75x | 1 & 2 | 2 & 3 | 2 & 3 |
|------------+----------+------------+-------+-------+-------|
| 166MHz | 66MHz | 1.75x | 1 & 2 | 2 & 3 | 2 & 3 |
|------------+----------+------------+-------+-------+-------|
| 200MHz | 66MHz | 2x | 1 & 2 | 1 & 2 | 2 & 3 |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (AM K6) |
|------------------------------------------------------------|
| CPU speed | Clock | Multiplier | FREQ1 | FREQ2 | FREQ3 |
| | speed | | | | |
|------------+----------+------------+-------+-------+-------|
| 166MHz | 66MHz | 2.5x | 1 & 2 | 2 & 3 | 2 & 3 |
|------------+----------+------------+-------+-------+-------|
| 200MHz | 66MHz | 3x | 1 & 2 | 2 & 3 | 1 & 2 |
|------------+----------+------------+-------+-------+-------|
| 233MHz | 66MHz | 3.5x | 1 & 2 | 1 & 2 | 1 & 2 |
|------------+----------+------------+-------+-------+-------|
| 266MHz | 66MHz | 4x | 2 & 3 | 1 & 2 | 2 & 3 |
|------------+----------+------------+-------+-------+-------|
| 300MHz | 66MHz | 4.5x | 2 & 3 | 2 & 3 | 2 & 3 |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (INTEL) |
|------------------------------------------------------------|
| CPU speed | Clock | Multiplier | FREQ1 | FREQ2 | FREQ3 |
| | speed | | | | |
|------------+----------+------------+-------+-------+-------|
| 90MHz | 60MHz | 1.5x | 1 & 2 | 1 & 2 | 1 & 2 |
|------------+----------+------------+-------+-------+-------|
| 100MHz | 66MHz | 1.5x | 1 & 2 | 1 & 2 | 1 & 2 |
|------------+----------+------------+-------+-------+-------|
| 120MHz | 60MHz | 2x | 2 & 3 | 1 & 2 | 1 & 2 |
|------------+----------+------------+-------+-------+-------|
| 133MHz | 66MHz | 2x | 2 & 3 | 1 & 2 | 1 & 2 |
|------------+----------+------------+-------+-------+-------|
| 150MHz | 60MHz | 2.5x | 2 & 3 | 2 & 3 | 1 & 2 |
|------------+----------+------------+-------+-------+-------|
| 166MHz | 66MHz | 2.5x | 2 & 3 | 2 & 3 | 1 & 2 |
|------------+----------+------------+-------+-------+-------|
| 200MHz | 66MHz | 3x | 1 & 2 | 2 & 3 | 1 & 2 |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (INTEL MMX) |
|------------------------------------------------------------|
| CPU speed | Clock | Multiplier | FREQ1 | FREQ2 | FREQ3 |
| | speed | | | | |
|------------+----------+------------+-------+-------+-------|
| 166MHz | 66MHz | 2.5x | 2 & 3 | 2 & 3 | 1 & 2 |
|------------+----------+------------+-------+-------+-------|
| 200MHz | 66MHz | 3x | 1 & 2 | 2 & 3 | 1 & 2 |
|------------+----------+------------+-------+-------+-------|
| 233MHz | 66MHz | 3.5x | 1 & 2 | 1 & 2 | 1 & 2 |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU VOLTAGE SELECTION (SINGLE) |
|------------------------------------------------------------|
| Voltage | VR |
|-------------------+----------------------------------------|
| 3.3v | Pins 1 & 2, 5 & 6, 7 & 8 closed |
|-------------------+----------------------------------------|
| 3.5v | Pins 1 & 2, 3 & 4, 5 & 6, 7 & 8 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU VOLTAGE SELECTION (DUAL) |
|------------------------------------------------------------|
| Voltage | V core | VR |
|-----------------+---------------+--------------------------|
| 3.3v | 2.1v | Pins 1 & 2 closed |
|-----------------+---------------+--------------------------|
| 3.3v | 2.8v | Pins 7 & 8 closed |
|-----------------+---------------+--------------------------|
| 3.3v | 2.9v | Pins 1 & 2, 7 & 8 closed |
|-----------------+---------------+--------------------------|
| 3.3v | 3.2v | Pins 5 & 6, 7 & 8 closed |
+------------------------------------------------------------+