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# MICRO EQUIPMENT CORPORATION
PR5 PCI (REV. 1.1)
Processor CX M1/AM K5/Pentium
Processor Speed 75/90/100/120/133/150/166/200MHz
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, USB connector
NPU Options None
(IMG) IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|-------------------+----------+------------------+----------|
| Serial port 1 | CN1 | Reset switch | J6 pins |
| | | | 1 & 2 |
|-------------------+----------+------------------+----------|
| Serial port 2 | CN2 | Green PC | J6 pins |
| | | connector | 6 & 7 |
|-------------------+----------+------------------+----------|
| Parallel port | CN3 | Turbo LED | J6 pins |
| | | | 8 & 9 |
|-------------------+----------+------------------+----------|
| Floppy drive | CN4 | Speaker | J6 pins |
| interface | | | 11 - 14 |
|-------------------+----------+------------------+----------|
| IDE interface 2 | CN5 | Power LED & | J6 pins |
| | | keylock | 16 - 20 |
|-------------------+----------+------------------+----------|
| IDE interface 1 | CN6 | IR connector | JP2 |
|-------------------+----------+------------------+----------|
| USB connector | CN7 | Chassis fan | JP9 |
| | | power | |
|-------------------+----------+------------------+----------|
| PS/2 mouse port | J4 | 32-bit PCI slots | PC1 - |
| | | | PC3 |
|-------------------+----------+------------------+----------|
| IDE interface LED | J5 | Cache slot | SL1 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Label | Position |
|-------------------------------------+-------+--------------|
| » | Factory configured - do not | DS8 | Off |
| | alter | | |
|---+---------------------------------+-------+--------------|
| » | CMOS memory normal operation | JP3 | Pins 1 & 2 |
| | | | closed |
|---+---------------------------------+-------+--------------|
| | CMOS memory clear | JP3 | Pins 2 & 3 |
| | | | closed |
|---+---------------------------------+-------+--------------|
| » | Factory configured - do not | JP10 | Unidentified |
| | alter | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 |
|---------------+-----------------------+--------------------|
| 8MB | (2) 1M x 32 | None |
|---------------+-----------------------+--------------------|
| 16MB | (2) 2M x 32 | None |
|---------------+-----------------------+--------------------|
| 16MB | (2) 1M x 32 | (2) 1M x 32 |
|---------------+-----------------------+--------------------|
| 24MB | (2) 2M x 32 | (2) 1M x 32 |
|---------------+-----------------------+--------------------|
| 32MB | (2) 4M x 32 | None |
|---------------+-----------------------+--------------------|
| 32MB | (2) 2M x 32 | (2) 2M x 32 |
|---------------+-----------------------+--------------------|
| 40MB | (2) 4M x 32 | (2) 1M x 32 |
|---------------+-----------------------+--------------------|
| 48MB | (2) 4M x 32 | (2) 2M x 32 |
|---------------+-----------------------+--------------------|
| 64MB | (2) 8M x 32 | None |
|---------------+-----------------------+--------------------|
| 64MB | (2) 4M x 32 | (2) 4M x 32 |
|---------------+-----------------------+--------------------|
| 72MB | (2) 8M x 32 | (2) 1M x 32 |
|---------------+-----------------------+--------------------|
| 80MB | (2) 8M x 32 | (2) 2M x 32 |
|---------------+-----------------------+--------------------|
| 96MB | (2) 8M x 32 | (2) 4M x 32 |
|---------------+-----------------------+--------------------|
| 128MB | (2) 8M x 32 | (2) 8M x 32 |
|------------------------------------------------------------|
| Note: Board accepts EDO memory. Banks are |
| interchangeable. If using this configuration, DIMM |
| sockets must be empty. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| 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 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DIMM CONFIGURATION (CON’T) |
|------------------------------------------------------------|
| Size | Bank 2 | Bank 3 |
|------------+-----------------------------+-----------------|
| 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: Banks are interchangeable. If using this |
| configuration, SIMM sockets must be empty. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DIMM VOLTAGE CONFIGURATION |
|------------------------------------------------------------|
| Voltage | JP11 |
|----------------------------+-------------------------------|
| » | 3v | Pins 2 & 3 closed |
|----+-----------------------+-------------------------------|
| | 5v | Pins 1 & 2 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | SL1 | TAG |
|-------+--------------+-----------------------+-------------|
| 256KB | (2) 32K x 32 | Not installed | (1) 32K x 8 |
|-------+--------------+-----------------------+-------------|
| 512KB | (2) 32K x 32 | 256KB module | (1) 32K x 8 |
| | | installed | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE JUMPER CONFIGURATION |
|------------------------------------------------------------|
| Size | JP1 |
|-----------------------------+------------------------------|
| 256KB | Open |
|-----------------------------+------------------------------|
| 512KB | Closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (CYRIX) |
|------------------------------------------------------------|
|CPU speed|Clock speed|Multiplier|DS1|DS2|DS3|DS4|DS5|DS6|DS7|
|---------+-----------+----------+---+---+---+---+---+---+---|
| 120MHz | 50MHz | 2x |Off|On |On |On |Off|Off|On |
|---------+-----------+----------+---+---+---+---+---+---+---|
| 133MHz | 55MHz | 2x |Off|On |On |Off|On |Off|On |
|---------+-----------+----------+---+---+---+---+---+---+---|
| 150MHz | 60MHz | 2x |Off|On |Off|Off|On |Off|On |
|---------+-----------+----------+---+---+---+---+---+---+---|
| 166MHz | 66MHz | 2x |Off|On |Off|Off|On |Off|Off|
|---------+-----------+----------+---+---+---+---+---+---+---|
| 200MHz | 75MHz | 2x |Off|On |On |Off|On |Off|Off|
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (AMD) |
|------------------------------------------------------------|
| CPU |Clock |Multiplier|DS/1|DS/2|DS/3|DS/4|DS/5|DS/6|DS/7|
| speed |speed | | | | | | | | |
|-------+------+----------+----+----+----+----+----+----+----|
| 75MHz |50MHz | 1.5x |Off |Off | On | On |Off |Off | On |
|-------+------+----------+----+----+----+----+----+----+----|
| 90MHz |60MHz | 1.5x |Off |Off |Off |Off | On |Off | On |
|-------+------+----------+----+----+----+----+----+----+----|
|100MHz |66MHz | 1.5x |Off |Off | On |Off | On |Off |Off |
|-------+------+----------+----+----+----+----+----+----+----|
|100MHz |55MHz | 1.5x |Off |Off |Off |Off | On |Off |Off |
|-------+------+----------+----+----+----+----+----+----+----|
|120MHz |60MHz | 1.5x |Off |Off |Off |Off | On |Off | On |
|-------+------+----------+----+----+----+----+----+----+----|
|133MHz |66MHz | 1.5x |Off |Off |Off |Off | On |Off |Off |
|-------+------+----------+----+----+----+----+----+----+----|
|150MHz |60MHz | 2x |Off | On |Off | On | On |Off | On |
|-------+------+----------+----+----+----+----+----+----+----|
|166MHz |66MHz | 2x |Off | On |Off |Off | On |Off |Off |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (INTEL) |
|------------------------------------------------------------|
|CPU speed|Clock speed|Multiplier|DS1|DS2|DS3|DS4|DS5|DS6|DS7|
|---------+-----------+----------+---+---+---+---+---+---+---|
| 75MHz | 50MHz | 1.5x |Off|Off|On |On |Off|Off|On |
|---------+-----------+----------+---+---+---+---+---+---+---|
| 90MHz | 60MHz | 1.5x |Off|Off|Off|Off|On |Off|On |
|---------+-----------+----------+---+---+---+---+---+---+---|
| 100MHz | 66MHz | 1.5x |Off|Off|Off|Off|On |Off|Off|
|---------+-----------+----------+---+---+---+---+---+---+---|
| 120MHz | 60MHz | 2x |Off|On |Off|Off|On |Off|On |
|---------+-----------+----------+---+---+---+---+---+---+---|
| 133MHz | 66MHz | 2x |Off|On |Off|Off|On |Off|Off|
|---------+-----------+----------+---+---+---+---+---+---+---|
| 150MHz | 60MHz | 2.5x |On |On |Off|Off|On |Off|On |
|---------+-----------+----------+---+---+---+---+---+---+---|
| 166MHz | 66MHz | 2.5x |On |On |Off|Off|On |Off|Off|
|---------+-----------+----------+---+---+---+---+---+---+---|
| 200MHz | 66MHz | 3x |On |Off|Off|Off|On |Off|Off|
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU VOLTAGE SELECTION (CYRIX) |
|------------------------------------------------------------|
|Voltage | VC/1 | VC/2 | VC/3 | VC/4 |VC/5 |VC/6 |VC/7 |VC/8 |
|--------+------+------+------+------+-----+-----+-----+-----|
| | 2.5v | Off | Off | Off | Off | Off | On | Off | On |
|-+------+------+------+------+------+-----+-----+-----+-----|
| | 2.7v | Off | Off | Off | Off | On | Off | Off | On |
|-+------+------+------+------+------+-----+-----+-----+-----|
| |2.83v | Off | Off | Off | On | Off | Off | Off | On |
|-+------+------+------+------+------+-----+-----+-----+-----|
| |2.93v | Off | Off | On | Off | Off | Off | Off | On |
|-+------+------+------+------+------+-----+-----+-----+-----|
|»|3.38v | Off | On | Off | Off | Off | Off | Off | On |
|-+------+------+------+------+------+-----+-----+-----+-----|
| |3.52v | On | Off | Off | Off | Off | Off | Off | On |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU VOLTAGE SELECTION (AMD) |
|------------------------------------------------------------|
|Voltage | VC/1 | VC/2 | VC/3 | VC/4 |VC/5 |VC/6 |VC/7 |VC/8 |
|--------+------+------+------+------+-----+-----+-----+-----|
| | 2.5v | Off | Off | Off | Off | Off | On | On | Off |
|-+------+------+------+------+------+-----+-----+-----+-----|
| | 2.7v | Off | Off | Off | Off | On | Off | On | Off |
|-+------+------+------+------+------+-----+-----+-----+-----|
| |2.83v | Off | Off | Off | On | Off | Off | On | Off |
|-+------+------+------+------+------+-----+-----+-----+-----|
| |2.93v | Off | Off | On | Off | Off | Off | On | Off |
|-+------+------+------+------+------+-----+-----+-----+-----|
|»|3.38v | Off | On | Off | Off | Off | Off | Off | On |
|-+------+------+------+------+------+-----+-----+-----+-----|
| |3.52v | On | Off | Off | Off | Off | Off | Off | On |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU VOLTAGE SELECTION (INTEL) |
|------------------------------------------------------------|
|Voltage | VC/1 | VC/2 | VC/3 | VC/4 |VC/5 |VC/6 |VC/7 |VC/8 |
|--------+------+------+------+------+-----+-----+-----+-----|
| | 2.5v | Off | Off | Off | Off | Off | On | Off | On |
|-+------+------+------+------+------+-----+-----+-----+-----|
| | 2.7v | Off | Off | Off | Off | On | Off | Off | On |
|-+------+------+------+------+------+-----+-----+-----+-----|
| |2.83v | Off | Off | Off | On | Off | Off | Off | On |
|-+------+------+------+------+------+-----+-----+-----+-----|
| |2.93v | Off | Off | On | Off | Off | Off | Off | On |
|-+------+------+------+------+------+-----+-----+-----+-----|
|»|3.38v | Off | On | Off | Off | Off | Off | Off | On |
|-+------+------+------+------+------+-----+-----+-----+-----|
| |3.52v | On | Off | Off | Off | Off | Off | Off | On |
+------------------------------------------------------------+