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# MICRONICS COMPUTERS, INC.
D5CUB PCI/ISA
Processor CX M1/Pentium
Processor Speed 75/90/100/110/120/133/150/166/200MHz
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,
IDE interfaces (2), parallel port, PS/2 mouse
interface, serial ports (2), sound connector
slot
NPU Options None
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|-------------------+----------+------------------+----------|
| PS/2 mouse port | J2 | Turbo switch | J16 |
|-------------------+----------+------------------+----------|
| External battery | J3 | Power LED & | J17 |
| | | keylock | |
|-------------------+----------+------------------+----------|
| IDE interface 2 | J4 | Parallel port | J18 |
|-------------------+----------+------------------+----------|
| IDE interface 1 | J5 | Serial port 1 | J20 |
|-------------------+----------+------------------+----------|
| IDE interface LED | J8 | Serial port 2 | J21 |
|-------------------+----------+------------------+----------|
| Reset switch | J11 | Floppy drive | J22 |
| | | interface | |
|-------------------+----------+------------------+----------|
| Speaker | J13 | 32-bit PCI slots | PC1 - |
| | | | PC4 |
|-------------------+----------+------------------+----------|
| Turbo LED | J15 | Sound connector | SL1 |
| | | slot | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Label | Position |
|------------------------------------+-------+---------------|
| » | Factory configured - do not | J10 | Unidentified |
| | alter | | |
|---+--------------------------------+-------+---------------|
| » | Factory configured - do not | J23 | Unidentified |
| | alter | | |
|---+--------------------------------+-------+---------------|
| » | Factory configured - do not | J24 | Unidentified |
| | alter | | |
|---+--------------------------------+-------+---------------|
| » | Factory configured - do not | JP10 | Pins 3 & 5, 4 |
| | alter | | & 6 closed |
|---+--------------------------------+-------+---------------|
| » | Monitor type select color | JP12 | Open |
|---+--------------------------------+-------+---------------|
| | Monitor type select monochrome | JP12 | Closed |
|---+--------------------------------+-------+---------------|
| » | CMOS memory normal operation | JP13 | Open |
|---+--------------------------------+-------+---------------|
| | CMOS memory clear | JP13 | Closed |
|---+--------------------------------+-------+---------------|
| » | Factory configured - do not | JP17 | Pins 2 & 3 |
| | alter | | closed |
|---+--------------------------------+-------+---------------|
| | Sound interface enabled | JP18 | Pins 1 & 2 |
| | | | closed |
|---+--------------------------------+-------+---------------|
| | Sound interface disabled | JP18 | Pins 2 & 3 |
| | | | closed |
|---+--------------------------------+-------+---------------|
| » | Flash BIOS voltage select 5v | JP19 | Pins 2 & 3 |
| | | | closed |
|---+--------------------------------+-------+---------------|
| | Flash BIOS voltage select 12v | JP19 | Pins 1 & 2 |
| | | | closed |
|---+--------------------------------+-------+---------------|
| » | EEPROM size select 1MB | JP21 | Pins 1 & 2 |
| | | | closed |
|---+--------------------------------+-------+---------------|
| | EEPROM size select 2MB | JP21 | Pins 2 & 3 |
| | | | closed |
|---+--------------------------------+-------+---------------|
| » | PS/2 mouse enabled | JP24 | Closed |
|---+--------------------------------+-------+---------------|
| | PS/2 mouse disabled | JP24 | Open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM 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 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION (CON’T) |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 |
|----------------+---------------------+---------------------|
| 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 |
|----------------+---------------------+---------------------|
| 256MB | (2) 16M x 36 | (2) 16M x 36 |
|------------------------------------------------------------|
| Note: Board accepts EDO memory. Board also accepts x 32 |
| SIMMs |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM REFRESH RATE CONFIGURATION |
|------------------------------------------------------------|
| Setting | JP14 |
|----------------------------------+-------------------------|
| » | 66MHz | Open |
|--------+-------------------------+-------------------------|
| | 60MHz | Closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | TAG |
|------------------+--------------------+--------------------|
| 256KB | (2) 32K x 32 | Unidentified |
|------------------+--------------------+--------------------|
| 512KB | (2) 64K x 32 | Unidentified |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE CONFIGURATION |
|------------------------------------------------------------|
| Type | JP7 |
|-------------------------------+----------------------------|
| Write through | Closed |
|-------------------------------+----------------------------|
| Write back | Open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE TAG CONFIGURATION |
|------------------------------------------------------------|
| Type | JP1 |
|-----------------------------+------------------------------|
| Aster 16K x 8 | Pins 1 & 2 closed |
|-----------------------------+------------------------------|
| Winbond 16K x 8 | Open |
|-----------------------------+------------------------------|
| 32K x 8 | Pins 2 & 3 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (CYRIX) |
|------------------------------------------------------------|
| CPU | Clock |Multiplier| JP5 | JP6 | JP11 |JP15 |JP16 |
| speed | speed | | | | | | |
|-------+--------+----------+------+------+------+-----+-----|
|100MHz | 50MHz | 2x |Closed|Closed| Open |1 & 2|2 & 3|
|-------+--------+----------+------+------+------+-----+-----|
|110MHz | 55MHz | 2x | Open | Open | Open |1 & 2|2 & 3|
|-------+--------+----------+------+------+------+-----+-----|
|120MHz | 60MHz | 2x | Open |Closed|Closed|1 & 2|2 & 3|
|-------+--------+----------+------+------+------+-----+-----|
|133MHz | 66MHz | 2x |Closed| Open |Closed|1 & 2|2 & 3|
|------------------------------------------------------------|
|Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (INTEL) |
|------------------------------------------------------------|
| CPU | Clock |Multiplier| JP5 | JP6 | JP11 |JP15 |JP16 |
| speed | speed | | | | | | |
|-------+--------+----------+------+------+------+-----+-----|
| 75MHz | 50MHz | 1.5x |Closed|Closed| Open |2 & 3|2 & 3|
|-------+--------+----------+------+------+------+-----+-----|
| 90MHz | 60MHz | 1.5x | Open |Closed|Closed|2 & 3|2 & 3|
|-------+--------+----------+------+------+------+-----+-----|
|100MHz | 66MHz | 1.5x |Closed| Open |Closed|2 & 3|2 & 3|
|-------+--------+----------+------+------+------+-----+-----|
|120MHz | 60MHz | 2x | Open |Closed|Closed|1 & 2|2 & 3|
|-------+--------+----------+------+------+------+-----+-----|
|133MHz | 66MHz | 2x |Closed| Open |Closed|1 & 2|2 & 3|
|-------+--------+----------+------+------+------+-----+-----|
|150MHz | 60MHz | 2.5x | Open |Closed|Closed|1 & 2|1 & 2|
|-------+--------+----------+------+------+------+-----+-----|
|166MHz | 66MHz | 2.5x |Closed| Open |Closed|1 & 2|1 & 2|
|-------+--------+----------+------+------+------+-----+-----|
|200MHz | 66MHz | 3x |Closed| Open |Closed|2 & 3|1 & 2|
|------------------------------------------------------------|
|Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU TYPE SELECTION |
|------------------------------------------------------------|
| Type | Voltage | JP8 |
|------------------+--------------------+--------------------|
| P54C | 3.4v | Pins 2 & 3 closed |
|------------------+--------------------+--------------------|
| P55C | 2.8v | Pins 4 & 5 closed |
|------------------+--------------------+--------------------|
| P55C | 2.5v | Pins 1 & 2 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU VOLTAGE SELECTION |
|------------------------------------------------------------|
| Voltage | JP3 |
|----------------------------+-------------------------------|
| 3.3v (STD) | Pins 1 & 2 closed |
|----------------------------+-------------------------------|
| 3.4v (VR) | Pins 2 & 3 closed |
|----------------------------+-------------------------------|
| 3.5v (VRE) | Pins 4 & 5 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| MULTI I/O SELECTION |
|------------------------------------------------------------|
| Setting | JP4 | JP9 |
|------------------+--------------------+--------------------|
| Enabled | Pins 2 & 3 closed | Pins 1 & 2 closed |
|------------------+--------------------+--------------------|
| Disabled | Pins 1 & 2 closed | Pins 2 & 3 closed |
+------------------------------------------------------------+