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# MICRONICS COMPUTERS, INC.
M54E2
Device Type Mainboard
Processor Pentium
Processor Speed 75/90/100/120/133/150/166/200MHz
Chip Set Intel
Video Chip Set None
Maximum Onboard 512MB
Memory
Maximum Video None
Memory
Cache 256/512KB
BIOS Phoenix
Dimensions 355mm x 304mm
I/O Options 32-bit PCI slots (3), floppy drive interface,
IDE interface, parallel port, PS/2 mouse
port, serial ports (2)
NPU Options None
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|-------------------+----------+------------------+----------|
| PS/2 mouse port | J6 | Reset switch | W13/W32 |
|-------------------+----------+------------------+----------|
| Parallel port | J9 | Turbo LED | W14/W33 |
|-------------------+----------+------------------+----------|
| Floppy drive | J10 | Turbo switch | W15/W34 |
| interface | | | |
|-------------------+----------+------------------+----------|
| Serial port 1 | J11 | Power LED & | W18/W37 |
| | | keylock | |
|-------------------+----------+------------------+----------|
| Serial port 2 | J12 | IDE interface | W24/W38 |
| | | LED | |
|-------------------+----------+------------------+----------|
| IDE interface | J13 | Chassis fan | W35 |
| | | power | |
|-------------------+----------+------------------+----------|
| Optional power | J26 | Chassis fan | W36 |
| supply connector | | power | |
|-------------------+----------+------------------+----------|
| Speaker | W12/W31 | 32-bit PCI slots | PC1 – |
| | | | PC3 |
|------------------------------------------------------------|
| Note: The location of J26 is unidentified. Some |
| models may have a PS/2 keyboard and mouse port in |
| place of the keyboard port shown. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Label | Position |
|-------------------------------------+-------+--------------|
| » | Factory configured - do not | C1 | Unidentified |
| | alter | | |
|---+---------------------------------+-------+--------------|
| » | Factory configured - do not | J25 | Unidentified |
| | alter | | |
|---+---------------------------------+-------+--------------|
| » | BIOS code enabled | W16 | Pins 1 & 2 |
| | | | closed |
|---+---------------------------------+-------+--------------|
| | BIOS boot block enabled | W16 | Pins 2 & 3 |
| | | | closed |
|---+---------------------------------+-------+--------------|
| » | Factory configured - do not | W17 | Unidentified |
| | alter | | |
|---+---------------------------------+-------+--------------|
| » | Monitor type select color | W20 | Closed |
|---+---------------------------------+-------+--------------|
| | Monitor type select monochrome | W20 | Open |
|---+---------------------------------+-------+--------------|
| » | PS/2 mouse enabled | W21 | Closed |
|---+---------------------------------+-------+--------------|
| | PS/2 mouse disabled | W21 | Open |
|---+---------------------------------+-------+--------------|
| » | Factory configured - do not | W25 | Pins 1 & 2 |
| | alter | | closed |
|---+---------------------------------+-------+--------------|
| » | On board I/O enabled | W30 | Open |
|---+---------------------------------+-------+--------------|
| | On board I/O disabled | W30 | Closed |
|---+---------------------------------+-------+--------------|
| » | APIC enabled | W42 | Open |
|---+---------------------------------+-------+--------------|
| | APIC disabled | W42 | Closed |
|------------------------------------------------------------|
| Note: The location of J25 is unidentified. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SIMM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | Bank 2 | Bank 3 |
|--------+-------------+-------------+-------------+---------|
| 8MB | (2) 1M x 36 | None | None | None |
|--------+-------------+-------------+-------------+---------|
| 16MB | (2) 2M x 36 | None | None | None |
|--------+-------------+-------------+-------------+---------|
| 16MB | (2) 1M x 36 | (2) 1M x 36 | None | None |
|--------+-------------+-------------+-------------+---------|
| 24MB | (2) 2M x 36 | (2) 1M x 36 | None | None |
|--------+-------------+-------------+-------------+---------|
| 24MB | (2) 1M x 36 | (2) 1M x 36 | (2) 1M x 36 | None |
|--------+-------------+-------------+-------------+---------|
| 32MB | (2) 4M x 36 | None | None | None |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SIMM CONFIGURATION (CON’T) |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | Bank 2 | Bank 3 |
|-------+-------------+------------+------------+------------|
| 32MB | (2) 2M x 36 | (2) 2M x | None | None |
| | | 36 | | |
|-------+-------------+------------+------------+------------|
| 32MB | (2) 1M x 36 | (2) 1M x | (2) 1M x | (2) 1M x |
| | | 36 | 36 | 36 |
|-------+-------------+------------+------------+------------|
| 40MB | (2) 4M x 36 | (2) 1M x | None | None |
| | | 36 | | |
|-------+-------------+------------+------------+------------|
| 48MB | (2) 4M x 36 | (2) 2M x | None | None |
| | | 36 | | |
|-------+-------------+------------+------------+------------|
| 48MB | (2) 2M x 36 | (2) 2M x | (2) 2M x | None |
| | | 36 | 36 | |
|-------+-------------+------------+------------+------------|
| 64MB | (2) 2M x 36 | (2) 2M x | (2) 2M x | (2) 2M x |
| | | 36 | 36 | 36 |
|-------+-------------+------------+------------+------------|
| 64MB | (2) 8M x 36 | None | None | None |
|-------+-------------+------------+------------+------------|
| 64MB | (2) 4M x 36 | (2) 4M x | None | None |
| | | 36 | | |
|-------+-------------+------------+------------+------------|
| 72MB | (2) 8M x 36 | (2) 1M x | None | None |
| | | 36 | | |
|-------+-------------+------------+------------+------------|
| 80MB | (2) 8M x 36 | (2) 2M x | None | None |
| | | 36 | | |
|-------+-------------+------------+------------+------------|
| 96MB | (2) 8M x 36 | (2) 4M x | None | None |
| | | 36 | | |
|-------+-------------+------------+------------+------------|
| 96MB | (2) 4M x 36 | (2) 4M x | (2) 4M x | None |
| | | 36 | 36 | |
|-------+-------------+------------+------------+------------|
| 128MB | (2) 16M x | None | None | None |
| | 36 | | | |
|-------+-------------+------------+------------+------------|
| 128MB | (2) 8M x 36 | (2) 8M x | None | None |
| | | 36 | | |
|-------+-------------+------------+------------+------------|
| 128MB | (2) 4M x 36 | (2) 4M x | (2) 4M x | (2) 4M x |
| | | 36 | 36 | 36 |
|-------+-------------+------------+------------+------------|
| 136MB | (2) 16M x | (2) 1M x | None | None |
| | 36 | 36 | | |
|-------+-------------+------------+------------+------------|
| 144MB | (2) 16M x | (2) 2M x | None | None |
| | 36 | 36 | | |
|-------+-------------+------------+------------+------------|
| 152MB | (2) 16M x | (2) 1M x | (2) 1M x | (2) 1M x |
| | 36 | 36 | 36 | 36 |
|-------+-------------+------------+------------+------------|
| 160MB | (2) 16M x | (2) 4M x | None | None |
| | 36 | 36 | | |
|-------+-------------+------------+------------+------------|
| 176MB | (2) 16M x | (2) 2M x | (2) 2M x | (2) 2M x |
| | 36 | 36 | 36 | 36 |
|-------+-------------+------------+------------+------------|
| 192MB | (2) 16M x | (2) 8M x | None | None |
| | 36 | 36 | | |
|-------+-------------+------------+------------+------------|
| 192MB | (2) 8M x 36 | (2) 8M x | (2) 8M x | None |
| | | 36 | 36 | |
|-------+-------------+------------+------------+------------|
| 224MB | (2) 16M x | (2) 4M x | (2) 4M x | (2) 4M x |
| | 36 | 36 | 36 | 36 |
|-------+-------------+------------+------------+------------|
| 256MB | (2) 32M x | None | None | None |
| | 36 | | | |
|-------+-------------+------------+------------+------------|
| 256MB | (2) 16M x | (2) 16M x | None | None |
| | 36 | 36 | | |
|-------+-------------+------------+------------+------------|
| 256MB | (2) 8M x 36 | (2) 8M x | (2) 8M x | (2) 8M x |
| | | 36 | 36 | 36 |
|-------+-------------+------------+------------+------------|
| 272MB | (2) 16M x | (2) 16M x | (2) 1M x | (2) 1M x |
| | 36 | 36 | 36 | 36 |
|-------+-------------+------------+------------+------------|
| 288MB | (2) 16M x | (2) 16M x | (2) 2M x | (2) 2M x |
| | 36 | 36 | 36 | 36 |
|-------+-------------+------------+------------+------------|
| 320MB | (2) 16M x | (2) 16M x | (2) 4M x | (2) 4M x |
| | 36 | 36 | 36 | 36 |
|-------+-------------+------------+------------+------------|
| 320MB | (2) 16M x | (2) 8M x | (2) 8M x | (2) 8M x |
| | 36 | 36 | 36 | 36 |
|-------+-------------+------------+------------+------------|
| 384MB | (2) 16M x | (2) 16M x | (2) 16M x | None |
| | 36 | 36 | 36 | |
|-------+-------------+------------+------------+------------|
| 512MB | (2) 16M x | (2) 16M x | (2) 16M x | (2) 16M x |
| | 36 | 36 | 36 | 36 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SIMM TYPE SELECTION |
|------------------------------------------------------------|
| Type | W41 |
|----------------------------------+-------------------------|
| » | Parity | Closed |
|---+------------------------------+-------------------------|
| | Non parity | Open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 |
|------------------+--------------------+--------------------|
| 256KB | (4) 32K x 8 | (4) 32K x 8 |
|------------------+--------------------+--------------------|
| 512KB | (4) 64K x 8 | (4) 64K x 8 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE JUMPER CONFIGURATION |
|------------------------------------------------------------|
| Size | W5 | W10 |
|------------------+--------------------+--------------------|
| 256KB | Pins 1 & 2 closed | Pins 1 & 2 closed |
|------------------+--------------------+--------------------|
| 512KB | Pins 2 & 3 closed | Pins 2 & 3 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE TYPE SELECTION |
|------------------------------------------------------------|
| Type | W1 |
|-----------------------------------+------------------------|
| » | Write back | Open |
|---+-------------------------------+------------------------|
| | Write through | Closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION |
|------------------------------------------------------------|
|CPU speed|Clock speed|Multiplier| W2 | W6 | W27 | W40 |
|---------+-----------+----------+-------+-----+------+------|
| 75MHz | 50MHz | 1.5x | Open |2 & 3| Open |Closed|
|---------+-----------+----------+-------+-----+------+------|
| 90MHz | 60MHz | 1.5x | Open |1 & 2| Open | Open |
|---------+-----------+----------+-------+-----+------+------|
| 100MHz | 66MHz | 1.5x | Open |2 & 3| Open | Open |
|---------+-----------+----------+-------+-----+------+------|
| 120MHz | 60MHz | 2x |Closed |1 & 2| Open | Open |
|---------+-----------+----------+-------+-----+------+------|
| 133MHz | 66MHz | 2x |Closed |2 & 3| Open | Open |
|---------+-----------+----------+-------+-----+------+------|
| 150MHz | 60MHz | 2.5x |Closed |1 & 2|Closed| Open |
|---------+-----------+----------+-------+-----+------+------|
| 166MHz | 66MHz | 2.5x |Closed |2 & 3|Closed| Open |
|---------+-----------+----------+-------+-----+------+------|
| 200MHz | 66MHz | 3x | Open |2 & 3|Closed| Open |
|------------------------------------------------------------|
|Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU VOLTAGE SELECTION |
|------------------------------------------------------------|
| Voltage | W28 |
|--------------------------------+---------------------------|
| » | 3.45v | Closed |
|----+---------------------------+---------------------------|
| | 3.6v | Open |
+------------------------------------------------------------+