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# MITAC INTERNATIONAL CORPORATION
PB5400T
Processor Pentium
Processor Speed 75/90/100/120/133/150/166MHz
Chip Set Intel
Video Chip Set None
Maximum Onboard 256MB (EDO 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, serial ports
(2), cache slot
NPU Options None
(IMG) IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|-------------------+----------+------------------+----------|
| PS/2 mouse port | J2 | Speaker | J16 |
|-------------------+----------+------------------+----------|
| Parallel port | J7 | Reset switch | J17 |
|-------------------+----------+------------------+----------|
| Serial port 2 | J8 | IDE interface | J18 |
| | | LED | |
|-------------------+----------+------------------+----------|
| Serial port 1 | J9 | Green PC | J19 |
| | | connector | |
|-------------------+----------+------------------+----------|
| Floppy drive | J11 | Power LED & | J21 |
| interface | | keylock | |
|-------------------+----------+------------------+----------|
| Chassis fan power | J12 | Cache slot | SL1 |
|-------------------+----------+------------------+----------|
| IDE interface 1 | J14 | 32-bit PCI slots | PC1 - |
| | | | PC4 |
|-------------------+----------+------------------+----------|
| IDE interface 2 | J15 | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Label | Position |
|-------------------------------------+-------+--------------|
| ยป | CMOS memory normal operation | JP3 | Pins 2 & 3 |
| | | | closed |
|---+---------------------------------+-------+--------------|
| | CMOS memory clear | JP3 | Pins 1 & 2 |
| | | | closed |
|---+---------------------------------+-------+--------------|
| | Voltage source select VCC2/VCC3 | JP6 | Open |
|---+---------------------------------+-------+--------------|
| | Voltage source select VCC3 | JP6 | Closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 |
|-------------+------------------------+---------------------|
| 4MB | (2) 512K x 36 | None |
|-------------+------------------------+---------------------|
| 8MB | (2) 1M x 36 | None |
|-------------+------------------------+---------------------|
| 8MB | (2) 512K x 36 | (2) 512K x 36 |
|-------------+------------------------+---------------------|
| 16MB | (2) 2M x 36 | None |
|-------------+------------------------+---------------------|
| 16MB | (2) 1M x 36 | (2) 1M x 36 |
|-------------+------------------------+---------------------|
| 32MB | (2) 4M x 36 | None |
|-------------+------------------------+---------------------|
| 32MB | (2) 2M x 36 | (2) 2M x 36 |
|-------------+------------------------+---------------------|
| 64MB | (2) 8M x 36 | None |
|-------------+------------------------+---------------------|
| 64MB | (2) 4M x 36 | (2) 4M x 36 |
|-------------+------------------------+---------------------|
| 128MB | (2) 8M x 36 | (2) 8M x 36 |
|-------------+------------------------+---------------------|
| 128MB | (2) 16M x 36 | None |
|-------------+------------------------+---------------------|
| 256MB | (2) 16M x 36 | (2) 16M x 36 |
|------------------------------------------------------------|
| Note: Board accepts EDO memory. Board also accepts x 32 |
| SIMMs. Banks are interchangeable. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | SL1 |
|--------------+--------------------+------------------------|
| 256KB | (2) 32K x 32 | Not installed |
|--------------+--------------------+------------------------|
| 512KB | (2) 32K x 32 | 256KB module installed |
|--------------+--------------------+------------------------|
| 512KB | None | 512KB module installed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE JUMPER CONFIGURATION |
|------------------------------------------------------------|
| Size | JP100 |
|-----------------------------+------------------------------|
| 256KB | Open |
|-----------------------------+------------------------------|
| 512KB | Closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| ON BOARD CACHE SIZE CONFIGURATION |
|------------------------------------------------------------|
| Size | JP2 |
|------------------------------+-----------------------------|
| 0KB | Open |
|------------------------------+-----------------------------|
| 256KB | Closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| ON BOARD CACHE CONFIGURATION |
|------------------------------------------------------------|
| Size | JP101 |
|-------------------------+----------------------------------|
| Enabled | Pins 1 & 2 closed |
|-------------------------+----------------------------------|
| Disabled | Pins 2 & 3 closed |
|------------------------------------------------------------|
| Note: If 512KB cache is installed at SL1, disable on board |
| cache. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION |
|------------------------------------------------------------|
| CPU speed | Clock | Multiplier | JP4 | JP5 |
| | speed | | | |
|------------+----------+------------+------------+----------|
| 75MHz | 50MHz | 1.5x | 1 & 2, 3 & | Open |
| | | | 4 | |
|------------+----------+------------+------------+----------|
| 90MHz | 60MHz | 1.5x | 3 & 4 | Open |
|------------+----------+------------+------------+----------|
| 100MHz | 66MHz | 1.5x | 1 & 2 | Open |
|------------+----------+------------+------------+----------|
| 120MHz | 60MHz | 2x | 3 & 4 | 1 & 2 |
|------------+----------+------------+------------+----------|
| 133MHz | 66MHz | 2x | 1 & 2 | 1 & 2 |
|------------+----------+------------+------------+----------|
| 150MHz | 60MHz | 2.5x | 3 & 4 | 3 & 4 |
|------------+----------+------------+------------+----------|
| 166MHz | 66MHz | 2.5x | 1 & 2 | 1 & 2, 3 |
| | | | | & 4 |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU TYPE SELECTION |
|------------------------------------------------------------|
| Type | JP102 |
|----------------------------+-------------------------------|
| P54C | Pins 1 & 2 closed |
|----------------------------+-------------------------------|
| P55C | Pins 2 & 3 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU VOLTAGE SELECTION |
|------------------------------------------------------------|
| Voltage | JP7 |
|-------------------------------+----------------------------|
| 3.3v (STD) | Open |
|-------------------------------+----------------------------|
| 3.5v (VRE) | Closed |
+------------------------------------------------------------+