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# MITAC INTERNATIONAL CORPORATION
PH5400V
Processor CX 6X86/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 & SDRAM supported)
Memory
Maximum Video None
Memory
Cache 256/512KB
BIOS Award
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 port, PS/2 mouse
interface, serial ports (2), cache slot, IR
connector, USB connector
NPU Options None
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|-------------------+----------+------------------+----------|
| PS/2 mouse port | J1 | Reset switch | J15 |
|-------------------+----------+------------------+----------|
| PS/2 mouse | J5 | Keylock | J16 |
| interface | | | |
|-------------------+----------+------------------+----------|
| USB connector | J6 | IDE interface | J17 |
| | | LED | |
|-------------------+----------+------------------+----------|
| Floppy drive | J7 | Green PC | J18 |
| interface | | connector | |
|-------------------+----------+------------------+----------|
| IDE interface 2 | J8 | IR connector | J19 |
|-------------------+----------+------------------+----------|
| Serial port 2 | J10 | Speaker | J20 |
|-------------------+----------+------------------+----------|
| Serial port 1 | J11 | Power LED | J21 |
|-------------------+----------+------------------+----------|
| Parallel port | J12 | 32-bit PCI slots | PC1 – |
| | | | PC4 |
|-------------------+----------+------------------+----------|
| IDE interface 1 | J13 | Cache slot | SL1 |
|-------------------+----------+------------------+----------|
| CPU fan power | J14 | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Label | Position |
|----------------------------------+-------+-----------------|
| » | CMOS memory normal operation | JP1 | Pins 2 & 3 |
| | | | closed |
|---+------------------------------+-------+-----------------|
| | CMOS memory clear | JP1 | Pins 1 & 2 |
| | | | 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 |
|------------------------------------------------------------|
| Note: Board accepts EDO memory. Do not install SIMMs |
| & DIMMs at the same time. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DIMM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 |
|------------------+--------------------+--------------------|
| 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) 8M x 64 | (1) 8M x 64 |
|------------------------------------------------------------|
| Note: Board accepts EDO & SDRAM memory. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | SL1 |
|--------------+--------------------+------------------------|
| 256KB | (2) 32K x 32 | None |
|--------------+--------------------+------------------------|
| 512KB | (2) 32K x 32 | 256KB module installed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE JUMPER CONFIGURATION |
|------------------------------------------------------------|
| Size | JP3 | JP4 |
|------------------+--------------------+--------------------|
| None | Pins 2 & 3 closed | Pins 2 & 3 closed |
|------------------+--------------------+--------------------|
| 256KB | Pins 2 & 3 closed | Pins 2 & 3 closed |
|------------------+--------------------+--------------------|
| 512KB | Pins 1 & 2 closed | Pins 1 & 2 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (CX 6X86) |
|------------------------------------------------------------|
| CPU | Clock | Multiplier | JP5 | JP7 | JP8 |
| speed | speed | | | | |
|----------+--------+------------+--------+----------+-------|
| 133MHz | 55MHz | 2x | 1 & 2, | 1 & 2, 3 | 1 & 2 |
| | | | 3 & 4 | & 4, 5 & | |
| | | | | 6 | |
|----------+--------+------------+--------+----------+-------|
| 150MHz | 60MHz | 2x | 3 & 4 | 1 & 2, 3 | 1 & 2 |
| | | | | & 4, 5 & | |
| | | | | 6 | |
|----------+--------+------------+--------+----------+-------|
| 166MHz | 66MHz | 2x | 1 & 2 | 1 & 2, 3 | 1 & 2 |
| | | | | & 4, 5 & | |
| | | | | 6 | |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (CX 6X86, CON’T) |
|------------------------------------------------------------|
| CPU speed | Clock | Multiplier | JP10 | JP11 | JP12 |
| | speed | | | | |
|------------+----------+------------+-------+-------+-------|
| 133MHz | 55MHz | 2x | 2 & 3 | 1 & 2 | 1 & 3 |
|------------+----------+------------+-------+-------+-------|
| 150MHz | 60MHz | 2x | 2 & 3 | 1 & 2 | 1 & 3 |
|------------+----------+------------+-------+-------+-------|
| 166MHz | 66MHz | 2x | 2 & 3 | 1 & 2 | 1 & 3 |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (AM K5) |
|------------------------------------------------------------|
| CPU | Clock | Multiplier | JP5 | JP7 | JP8 |
| speed | speed | | | | |
|---------+--------+------------+--------+----------+--------|
| 75MHz | 50MHz | 1.5x | Open | 1 & 2, 3 | Open |
| | | | | & 4, 5 & | |
| | | | | 6 | |
|---------+--------+------------+--------+----------+--------|
| 90MHz | 60MHz | 1.5x | 3 & 4 | 1 & 2, 3 | Open |
| | | | | & 4, 5 & | |
| | | | | 6 | |
|---------+--------+------------+--------+----------+--------|
| 100MHz | 66MHz | 1.5x | 1 & 2 | 1 & 2, 3 | Open |
| | | | | & 4, 5 & | |
| | | | | 6 | |
|---------+--------+------------+--------+----------+--------|
| 120MHz | 60MHz | 1.5x | 3 & 4 | * | 1 & 2 |
|---------+--------+------------+--------+----------+--------|
| 133MHz | 66MHz | 1.5x | 1 & 2 | * | 1 & 2 |
|---------+--------+------------+--------+----------+--------|
| 150MHz | 60MHz | 2x | 3 & 4 | * | 1 & 2, |
| | | | | | 3 & 4 |
|---------+--------+------------+--------+----------+--------|
| 166MHz | 66MHz | 2x | 1 & 2 | * | 1 & 2, |
| | | | | | 3 & 4 |
|------------------------------------------------------------|
| Note: * = See AMD voltage table below. Pins designated |
| should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (AM K5, CON’T) |
|------------------------------------------------------------|
| CPU | Clock | Multiplier | JP10 | JP11 | JP12 |
| speed | speed | | | | |
|---------+----------+------------+--------+--------+--------|
| 75MHz | 50MHz | 1.5x | 2 & 3 | 1 & 2 | 1 & 3 |
|---------+----------+------------+--------+--------+--------|
| 90MHz | 60MHz | 1.5x | 2 & 3 | 1 & 2 | 1 & 3 |
|---------+----------+------------+--------+--------+--------|
| 100MHz | 66MHz | 1.5x | 2 & 3 | 1 & 2 | 1 & 3 |
|---------+----------+------------+--------+--------+--------|
| 120MHz | 60MHz | 1.5x | * | * | * |
|---------+----------+------------+--------+--------+--------|
| 133MHz | 66MHz | 1.5x | * | * | * |
|---------+----------+------------+--------+--------+--------|
| 150MHz | 60MHz | 2x | * | * | * |
|---------+----------+------------+--------+--------+--------|
| 166MHz | 66MHz | 2x | * | * | * |
|------------------------------------------------------------|
| Note: * = See AMD voltage table below. Pins designated |
| should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (INTEL STD) |
|------------------------------------------------------------|
| CPU | Clock | Multiplier | JP5 | JP7 | JP8 |
| speed | speed | | | | |
|----------+--------+------------+-------+----------+--------|
| 75MHz | 50MHz | 1.5x | Open | 1 & 2, 3 | Open |
| | | | | & 4, 5 & | |
| | | | | 6 | |
|----------+--------+------------+-------+----------+--------|
| 90MHz | 60MHz | 1.5x | 3 & 4 | 1 & 2, 3 | Open |
| | | | | & 4, 5 & | |
| | | | | 6 | |
|----------+--------+------------+-------+----------+--------|
| 100MHz | 66MHz | 1.5x | 1 & 2 | 1 & 2, 3 | Open |
| | | | | & 4, 5 & | |
| | | | | 6 | |
|----------+--------+------------+-------+----------+--------|
| 120MHz | 60MHz | 2x | 3 & 4 | 1 & 2, 3 | 1 & 2 |
| | | | | & 4, 5 & | |
| | | | | 6 | |
|----------+--------+------------+-------+----------+--------|
| 133MHz | 66MHz | 2x | 1 & 2 | 1 & 2, 3 | 1 & 2 |
| | | | | & 4, 5 & | |
| | | | | 6 | |
|----------+--------+------------+-------+----------+--------|
| 150MHz | 60MHz | 2.5x | 3 & 4 | 1 & 2, 3 | 1 & 2, |
| | | | | & 4, 5 & | 3 & 4 |
| | | | | 6 | |
|----------+--------+------------+-------+----------+--------|
| 166MHz | 66MHz | 2.5x | 1 & 2 | 1 & 2, 3 | 1 & 2, |
| | | | | & 4, 5 & | 3 & 4 |
| | | | | 6 | |
|----------+--------+------------+-------+----------+--------|
| 200MHz | 66MHz | 3x | 1 & 2 | 1 & 2, 3 | 3 & 4 |
| | | | | & 4, 5 & | |
| | | | | 6 | |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (INTEL STD, CON’T) |
|------------------------------------------------------------|
| CPU speed | Clock | Multiplier | JP10 | JP11 | JP12 |
| | speed | | | | |
|------------+----------+------------+-------+-------+-------|
| 75MHz | 50MHz | 1.5x | 2 & 3 | 1 & 2 | 1 & 3 |
|------------+----------+------------+-------+-------+-------|
| 90MHz | 60MHz | 1.5x | 2 & 3 | 1 & 2 | 1 & 3 |
|------------+----------+------------+-------+-------+-------|
| 100MHz | 66MHz | 1.5x | 2 & 3 | 1 & 2 | 1 & 3 |
|------------+----------+------------+-------+-------+-------|
| 120MHz | 60MHz | 2x | 2 & 3 | 1 & 2 | 1 & 3 |
|------------+----------+------------+-------+-------+-------|
| 133MHz | 66MHz | 2x | 2 & 3 | 1 & 2 | 1 & 3 |
|------------+----------+------------+-------+-------+-------|
| 150MHz | 60MHz | 2.5x | 2 & 3 | 1 & 2 | 1 & 3 |
|------------+----------+------------+-------+-------+-------|
| 166MHz | 66MHz | 2.5x | 2 & 3 | 1 & 2 | 1 & 3 |
|------------+----------+------------+-------+-------+-------|
| 200MHz | 66MHz | 3x | 2 & 3 | 1 & 2 | 1 & 3 |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (INTEL VRE) |
|------------------------------------------------------------|
| CPU | Clock | Multiplier | JP5 | JP7 | JP8 |
| speed | speed | | | | |
|----------+--------+------------+-------+----------+--------|
| 75MHz | 50MHz | 1.5x | Open | 1 & 2, 3 | Open |
| | | | | & 4, 5 & | |
| | | | | 6 | |
|----------+--------+------------+-------+----------+--------|
| 90MHz | 60MHz | 1.5x | 3 & 4 | 1 & 2, 3 | Open |
| | | | | & 4, 5 & | |
| | | | | 6 | |
|----------+--------+------------+-------+----------+--------|
| 100MHz | 66MHz | 1.5x | 1 & 2 | 1 & 2, 3 | Open |
| | | | | & 4, 5 & | |
| | | | | 6 | |
|----------+--------+------------+-------+----------+--------|
| 120MHz | 60MHz | 2x | 3 & 4 | 1 & 2, 3 | 1 & 2 |
| | | | | & 4, 5 & | |
| | | | | 6 | |
|----------+--------+------------+-------+----------+--------|
| 133MHz | 66MHz | 2x | 1 & 2 | 1 & 2, 3 | 1 & 2 |
| | | | | & 4, 5 & | |
| | | | | 6 | |
|----------+--------+------------+-------+----------+--------|
| 150MHz | 60MHz | 2.5x | 3 & 4 | 1 & 2, 3 | 1 & 2, |
| | | | | & 4, 5 & | 3 & 4 |
| | | | | 6 | |
|----------+--------+------------+-------+----------+--------|
| 166MHz | 66MHz | 2.5x | 1 & 2 | 1 & 2, 3 | 1 & 2, |
| | | | | & 4, 5 & | 3 & 4 |
| | | | | 6 | |
|----------+--------+------------+-------+----------+--------|
| 200MHz | 66MHz | 3x | 1 & 2 | 1 & 2, 3 | 3 & 4 |
| | | | | & 4, 5 & | |
| | | | | 6 | |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (INTEL VRE, CON’T) |
|------------------------------------------------------------|
| CPU speed | Clock | Multiplier | JP10 | JP11 | JP12 |
| | speed | | | | |
|------------+----------+------------+-------+-------+-------|
| 75MHz | 50MHz | 1.5x | 1 & 2 | 1 & 2 | 1 & 3 |
|------------+----------+------------+-------+-------+-------|
| 90MHz | 60MHz | 1.5x | 1 & 2 | 1 & 2 | 1 & 3 |
|------------+----------+------------+-------+-------+-------|
| 100MHz | 66MHz | 1.5x | 1 & 2 | 1 & 2 | 1 & 3 |
|------------+----------+------------+-------+-------+-------|
| 120MHz | 60MHz | 2x | 1 & 2 | 1 & 2 | 1 & 3 |
|------------+----------+------------+-------+-------+-------|
| 133MHz | 66MHz | 2x | 1 & 2 | 1 & 2 | 1 & 3 |
|------------+----------+------------+-------+-------+-------|
| 150MHz | 60MHz | 2.5x | 1 & 2 | 1 & 2 | 1 & 3 |
|------------+----------+------------+-------+-------+-------|
| 166MHz | 66MHz | 2.5x | 1 & 2 | 1 & 2 | 1 & 3 |
|------------+----------+------------+-------+-------+-------|
| 200MHz | 66MHz | 3x | 1 & 2 | 1 & 2 | 1 & 3 |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (INTEL MMX) |
|------------------------------------------------------------|
| CPU speed | Clock | Multiplier | JP5 | JP7 | JP8 |
| | speed | | | | |
|------------+-----------+------------+-------+------+-------|
| 180MHz | 60MHz | 3x | 3 & 4 | Open | 3 & 4 |
|------------+-----------+------------+-------+------+-------|
| 200MHz | 66MHz | 3x | 1 & 2 | Open | 3 & 4 |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (INTEL MMX, CON’T) |
|------------------------------------------------------------|
| CPU speed | Clock | Multiplier | JP10 | JP11 | JP12 |
| | speed | | | | |
|------------+----------+------------+-------+-------+-------|
| 180MHz | 60MHz | 3x | 2 & 3 | 2 & 3 | 1 & 3 |
|------------+----------+------------+-------+-------+-------|
| 200MHz | 66MHz | 3x | 2 & 3 | 2 & 3 | 1 & 3 |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU VOLTAGE SELECTION (SELECT AMD ONLY) |
|------------------------------------------------------------|
| Voltage | JP7 | JP10 | JP11 | JP12 |
|-----------+----------------------+--------+--------+-------|
| B | 1 & 2, 3 & 4, 5 & 6 | 1 & 2 | 1 & 2 | 1 & 3 |
|-----------+----------------------+--------+--------+-------|
| C | 1 & 2, 3 & 4, 5 & 6 | 2 & 3 | 1 & 2 | 1 & 3 |
|-----------+----------------------+--------+--------+-------|
| F | 1 & 2, 3 & 4, 5 & 6 | 2 & 3 | 1 & 2 | 1 & 3 |
|-----------+----------------------+--------+--------+-------|
| H | Open | 2 & 3 | 2 & 3 | 4 & 6 |
|-----------+----------------------+--------+--------+-------|
| J | Open | 2 & 3 | 2 & 3 | 2 & 4 |
|-----------+----------------------+--------+--------+-------|
| K | Open | 2 & 3 | 2 & 3 | 1 & 3 |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+