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# MICRONICS COMPUTERS, INC.
M55HI-PLUS
Processor Pentium
Processor Speed 90/100/120/133/150/166/200MHz
Chip Set Intel
Video Chip Set None
Maximum Onboard 256MB (EDO supported)
Memory
Maximum Video None
Memory
Cache 512KB
BIOS Phoenix
Dimensions 330mm x 218mm
I/O Options 32-bit PCI slots (4), bus mouse port, CD-ROM
audio input connector, floppy drive
interface, IDE interfaces (2), parallel port,
PS/2 mouse port, serial ports (2), IR
connector, USB connectors (2), microphone
connector, audio line in connector, audio
line out connector, external audio connector,
wavetable connector, game/MIDI port
NPU Options None
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|------------------+----------+-----------------+------------|
| Microphone in | J1 | Serial port 1 | J19 |
| connector | | | |
|------------------+----------+-----------------+------------|
| Audio line in | J2 | IDE interface 2 | J25 |
| connector | | | |
|------------------+----------+-----------------+------------|
| Audio line out | J3 | IDE interface 1 | J27 |
| connector | | | |
|------------------+----------+-----------------+------------|
| Speaker out | J4 | Floppy drive | J28 |
| connector | | interface | |
|------------------+----------+-----------------+------------|
| Game/MIDI port | J5 | 32-bit PCI | PC1 - PC4 |
| | | slots | |
|------------------+----------+-----------------+------------|
| USB connector | J6 | System power | U50 pins 1 |
| | | on/off | & 2 |
| | | connector | |
|------------------+----------+-----------------+------------|
| USB connector | J7 | IR connector | U50 pins 6 |
| | | | - 10 |
|------------------+----------+-----------------+------------|
| PS/2 mouse port | J8 | Reset switch | U50 pins |
| | | | 12 & 13 |
|------------------+----------+-----------------+------------|
| CD-ROM audio | J13 | Speaker | U50 pins |
| connector | | | 14 - 17 |
|------------------+----------+-----------------+------------|
| Wavetable | J14 | Power LED & | U50 pins |
| connector | | keylock | 18 - 22 |
|------------------+----------+-----------------+------------|
| Modem connector | J15 | IDE interface | U50 pins |
| | | LED | 23 & 24 |
|------------------+----------+-----------------+------------|
| External audio | J16 | Turbo LED | U50 pins |
| connector | | | 25 & 26 |
|------------------+----------+-----------------+------------|
| Parallel port | J17 | Case fan | W3 |
| | | connector | |
|------------------+----------+-----------------+------------|
| Serial port 2 | J18 | Chassis fan | W9 |
| | | power | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Label | Position |
|-------------------------------------+-------+--------------|
| » | Flash BIOS normal operation | W8 | Pins 1 & 2 |
| | | | closed |
|---+---------------------------------+-------+--------------|
| | Flash BIOS recovery mode | W8 | Pins 2 & 3 |
| | | | closed |
|---+---------------------------------+-------+--------------|
| » | CMOS memory normal operation | W10 | Pins 1 & 2 |
| | | | closed |
|---+---------------------------------+-------+--------------|
| | CMOS memory clear | W10 | Pins 2 & 3 |
| | | | closed |
|---+---------------------------------+-------+--------------|
| » | System soft power down enabled | W14 | Open |
|---+---------------------------------+-------+--------------|
| | System soft power down disabled | W14 | Closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| 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 |
|----------------+---------------------+---------------------|
| 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 JUMPER CONFIGURATION |
|------------------------------------------------------------|
| Cacheable DRAM range | W12 |
|-------------------------------+----------------------------|
| Normal | Open |
|-------------------------------+----------------------------|
| Extended | Closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE CONFIGURATION |
|------------------------------------------------------------|
| Note: The location of the 512KB cache is unidentified. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION |
|------------------------------------------------------------|
| Speed | W1 | W2 | W4 | W5 | W6 |
|----------+---------+---------+---------+---------+---------|
| 90MHz | Closed | Open | Closed | Open | Open |
|----------+---------+---------+---------+---------+---------|
| 100MHz | Open | Closed | Open | Open | Open |
|----------+---------+---------+---------+---------+---------|
| 120MHz | Closed | Open | Closed | Open | Closed |
|----------+---------+---------+---------+---------+---------|
| 133MHz | Open | Closed | Open | Open | Closed |
|----------+---------+---------+---------+---------+---------|
| 150MHz | Closed | Open | Closed | Closed | Closed |
|----------+---------+---------+---------+---------+---------|
| 166MHz | Open | Closed | Open | Closed | Closed |
|----------+---------+---------+---------+---------+---------|
| 200MHz | Open | Closed | Open | Closed | Open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU TYPE SELECTION |
|------------------------------------------------------------|
| Type | W7 |
|-----------------------------+------------------------------|
| VR | Closed |
|-----------------------------+------------------------------|
| VRE | Open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| AT BUS CLOCK SELECTION |
|------------------------------------------------------------|
| Speed | W13 |
|-------------------------------+----------------------------|
| » | 1/4 | Closed |
|-----+-------------------------+----------------------------|
| | 1/3 | Open |
+------------------------------------------------------------+