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# MICRO EQUIPMENT CORPORATION
PH5 (REV. 1.3)
Processor CX M1/AM K5/Pentium
Processor Speed 75/90/100/120/133/150/166/180/200MHz
Chip Set SIS
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 (4), floppy drive interface,
green PC connector, IDE interfaces (2),
parallel port, PS/2 mouse port, serial ports
(2), VRM connector, cache slot, IR connector
NPU Options None
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|------------------+----------+------------------+-----------|
| Serial port 1 | CN2 | Turbo LED | J15 pins |
| | | | 12 & 13 |
|------------------+----------+------------------+-----------|
| Serial port 2 | CN3 | Green PC | J15 pins |
| | | connector | 14 - 15 |
|------------------+----------+------------------+-----------|
| Floppy drive | CN4 | Turbo switch | J15 pins |
| interface | | | 16 - 18 |
|------------------+----------+------------------+-----------|
| Parallel port | CN5 | Reset switch | J15 pins |
| | | | 19 & 20 |
|------------------+----------+------------------+-----------|
| IDE interface 2 | CN6 | IR connector | JP4 |
|------------------+----------+------------------+-----------|
| IDE interface 1 | CN7 | Green PC | JP5 pins |
| | | connector | 1 & 3 |
|------------------+----------+------------------+-----------|
| PS/2 mouse port | J4 | External battery | JP34 |
|------------------+----------+------------------+-----------|
| VRM connector | J12 | Chassis fan | JP37 |
| | | power | |
|------------------+----------+------------------+-----------|
| IDE interface | J14 | 32-bit PCI slots | PC1 - PC4 |
| LED | | | |
|------------------+----------+------------------+-----------|
| Power LED & | J15 pins | Cache slot | SL1 |
| keylock | 1 - 5 | | |
|------------------+----------+------------------+-----------|
| Speaker | J15 pins | | |
| | 7 - 10 | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Label | Position |
|---------------------------------------+-------+------------|
| » | On board I/O enabled | JP6 | Open |
|---+-----------------------------------+-------+------------|
| | On board I/O disabled | JP6 | Closed |
|---+-----------------------------------+-------+------------|
| » | Flash BIOS type select 5v | JP18 | Pins 2 & 3 |
| | | | closed |
|---+-----------------------------------+-------+------------|
| | Flash BIOS type select 12v | JP18 | Pins 1 & 2 |
| | | | closed |
|---+-----------------------------------+-------+------------|
| » | Monitor type select color | JP30 | Closed |
|---+-----------------------------------+-------+------------|
| | Monitor type select monochrome | JP30 | Open |
|---+-----------------------------------+-------+------------|
| » | CMOS memory normal operation | JP33 | Pins 1 & 2 |
| | | | closed |
|---+-----------------------------------+-------+------------|
| | CMOS memory clear | JP33 | Pins 2 & 3 |
| | | | closed |
|---+-----------------------------------+-------+------------|
| » | Factory configured - do not alter | JP41 | Open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 |
|------------------+--------------------+--------------------|
| 2MB | (2) 256K x 32 | None |
|------------------+--------------------+--------------------|
| 4MB | (2) 256K x 32 | (2) 256K x 32 |
|------------------+--------------------+--------------------|
| 8MB | (2) 1M x 32 | None |
|------------------+--------------------+--------------------|
| 10MB | (2) 1M x 32 | (2) 256K x 32 |
|------------------+--------------------+--------------------|
| 16MB | (2) 2M x 32 | None |
|------------------+--------------------+--------------------|
| 16MB | (2) 1M x 32 | (2) 1M x 32 |
|------------------+--------------------+--------------------|
| 18MB | (2) 2M x 32 | (2) 256K x 32 |
|------------------+--------------------+--------------------|
| 24MB | (2) 1M x 32 | (2) 2M x 32 |
|------------------+--------------------+--------------------|
| 32MB | (2) 4M x 32 | None |
|------------------+--------------------+--------------------|
| 32MB | (2) 2M x 32 | (2) 2M x 32 |
|------------------+--------------------+--------------------|
| 34MB | (2) 4M x 32 | (2) 256K x 32 |
|------------------+--------------------+--------------------|
| 40MB | (2) 4M x 32 | (2) 1M x 32 |
|------------------+--------------------+--------------------|
| 48MB | (2) 2M x 32 | (2) 4M x 32 |
|------------------+--------------------+--------------------|
| 64MB | (2) 8M x 32 | None |
|------------------+--------------------+--------------------|
| 64MB | (2) 4M x 32 | (2) 4M x 32 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION (CON’T) |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 |
|---------------+---------------------+----------------------|
| 66MB | (2) 8M x 32 | (2) 256K x 32 |
|---------------+---------------------+----------------------|
| 72MB | (2) 8M x 32 | (2) 1M x 32 |
|---------------+---------------------+----------------------|
| 80MB | (2) 2M x 32 | (2) 8M 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. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | SL1 | TAG |
|-----------+-------------+-----------------+----------------|
| 256KB (A) | (8) 32K x 8 | 256KB module | (1) 8K/32K x 8 |
| | | installed | |
|-----------+-------------+-----------------+----------------|
| 256KB (B) | None | Not installed | None |
|-----------+-------------+-----------------+----------------|
| 512KB (A) | (8) 64K x 8 | 256KB module | (1) 16K/32K x |
| | | installed | 8 |
|-----------+-------------+-----------------+----------------|
| 512KB (B) | None | Not installed | None |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE JUMPER CONFIGURATION |
|------------------------------------------------------------|
| Size | JP2 | JP3 |
|------------------+--------------------+--------------------|
| 256KB (A) | Pins 1 & 2 closed | Pins 1 & 2 closed |
|------------------+--------------------+--------------------|
| 256KB (B) | Pins 1 & 2 closed | Pins 1 & 2 closed |
|------------------+--------------------+--------------------|
| 512KB (A) | Pins 2 & 3 closed | Pins 1 & 2 closed |
|------------------+--------------------+--------------------|
| 512KB (B) | Pins 2 & 3 closed | Pins 1 & 2 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (CYRIX) |
|------------------------------------------------------------|
| CPU speed | Clock speed | Multiplier | JP15A | JP15C |
|-----------+-------------+------------+-------------+-------|
| 100MHz | 40MHz | 2x | 3 & 4 | 1 & 2 |
|-----------+-------------+------------+-------------+-------|
| 120MHz | 50MHz | 2x | 3 & 4, 5 & | 1 & 2 |
| | | | 6 | |
|-----------+-------------+------------+-------------+-------|
| 150MHz | 60MHz | 2x | 1 & 2, 5 & | 1 & 2 |
| | | | 6 | |
|-----------+-------------+------------+-------------+-------|
| 166MHz | 66MHz | 2x | 1 & 2, 3 & | 1 & 2 |
| | | | 4, 5 & 6 | |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (AMD) |
|------------------------------------------------------------|
| CPU speed | Clock speed | Multiplier | JP15A | JP15C |
|-----------+-------------+------------+-------------+-------|
| 75MHz | 50MHz | 1.5x | 3 & 4, 5 & | Open |
| | | | 6 | |
|-----------+-------------+------------+-------------+-------|
| 75MHz | 66MHz | 2x | 1 & 2, 3 & | 1 & 2 |
| | | | 4, 5 & 6 | |
|-----------+-------------+------------+-------------+-------|
| 100MHz | 60MHz | 1.5x | 1 & 2, 5 & | Open |
| | | | 6 | |
|-----------+-------------+------------+-------------+-------|
| 100MHz | 66MHz | 1.5x | 1 & 2, 3 & | Open |
| | | | 4, 5 & 6 | |
|-----------+-------------+------------+-------------+-------|
| 100MHz | 50MHz | 1.5x | 3 & 4, 5 & | Open |
| | | | 6 | |
|-----------+-------------+------------+-------------+-------|
| 120MHz | 60MHz | 1.5x | 1 & 2, 5 & | Open |
| | | | 6 | |
|-----------+-------------+------------+-------------+-------|
| 133MHz | 66MHz | 1.5x | 1 & 2, 3 & | Open |
| | | | 4, 5 & 6 | |
|-----------+-------------+------------+-------------+-------|
| 150MHz | 60MHz | 2x | 1 & 2, 5 & | 1 & 2 |
| | | | 6 | |
|-----------+-------------+------------+-------------+-------|
| 166MHz | 66MHz | 2x | 1 & 2, 3 & | 1 & 2 |
| | | | 4, 5 & 6 | |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (INTEL) |
|------------------------------------------------------------|
| CPU speed | Clock | Multiplier | JP15A | JP15C |
| | speed | | | |
|------------+----------+------------+------------+----------|
| 75MHz | 50MHz | 1.5x | 3 & 4, 5 & | Open |
| | | | 6 | |
|------------+----------+------------+------------+----------|
| 90MHz | 60MHz | 1.5x | 1 & 2, 5 & | Open |
| | | | 6 | |
|------------+----------+------------+------------+----------|
| 100MHz | 66MHz | 1.5x | 1 & 2, 3 & | Open |
| | | | 4, 5 & 6 | |
|------------+----------+------------+------------+----------|
| 120MHz | 60MHz | 2x | 1 & 2, 5 & | 1 & 2 |
| | | | 6 | |
|------------+----------+------------+------------+----------|
| 133MHz | 66MHz | 2x | 1 & 2, 3 & | 1 & 2 |
| | | | 4, 5 & 6 | |
|------------+----------+------------+------------+----------|
| 150MHz | 60MHz | 2.5x | 1 & 2, 5 & | 1 & 2, 3 |
| | | | 6 | & 4 |
|------------+----------+------------+------------+----------|
| 166MHz | 66MHz | 2.5x | 1 & 2, 3 & | 1 & 2, 3 |
| | | | 4, 5 & 6 | & 4 |
|------------+----------+------------+------------+----------|
| 180MHz | 60MHz | 3x | 1 & 2, 5 & | 3 & 4 |
| | | | 6 | |
|------------+----------+------------+------------+----------|
| 200MHz | 66MHz | 3x | 1 & 2, 3 & | 3 & 4 |
| | | | 4, 5 & 6 | |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU VOLTAGE SELECTION |
|------------------------------------------------------------|
| Voltage | JP29 |
|----------------------------+-------------------------------|
| | 3.3v | Pins 1 & 2 closed |
|---+------------------------+-------------------------------|
| » | 3.45v | Pins 3 & 4 closed |
|---+------------------------+-------------------------------|
| | 3.6v | Pins 5 & 6 closed |
+------------------------------------------------------------+