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# MICRONICS COMPUTERS, INC.
THUNDERBOLT
Processor AM K5/Pentium
Processor Speed 90/100/120/133/150/166/180/200/233MHz
Chip Set Intel
Video Chip Set None
Maximum Onboard 256MB (EDO supported)
Memory
Maximum Video None
Memory
Cache 256/512KB
BIOS Phoenix
Dimensions 305mm x 244mm
I/O Options 32-bit PCI slots (4), CD-ROM audio in
connectors (3), floppy drive interface,
MIDI/game port, IDE interfaces (2), parallel
port, PS/2 mouse port, serial ports (2), IR
connector, USB connectors (2), ATX power
connector, microphone in connector, line in
connector, line out connector, modem
connector
NPU Options None
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|----------------+------------+-----------------+------------|
| ATX power | ATX | Reset switch | J23/pins |
| connector | | | 22 & 23 |
|----------------+------------+-----------------+------------|
| Serial port 1 | J12 | Speaker | J23/pins |
| | | | 24 - 26 |
|----------------+------------+-----------------+------------|
| Serial port 2 | J13 | Keylock | J40 |
|----------------+------------+-----------------+------------|
| Floppy drive | J14 | Chassis fan | J41 |
| interface | | power | |
|----------------+------------+-----------------+------------|
| Parallel port | J15 | Panasonic | J45 |
| | | CD-ROM | |
| | | connector | |
|----------------+------------+-----------------+------------|
| USB connector | J16 | Mitsumi CD-ROM | J46 |
| 1 | | connector | |
|----------------+------------+-----------------+------------|
| USB connector | J16A | Modem connector | J47 |
| 2 | | | |
|----------------+------------+-----------------+------------|
| IDE interface | J17 | SCSI interface | J49 |
| 1 | | LED | |
|----------------+------------+-----------------+------------|
| IDE interface | J18 | CD-ROM audio in | J50 |
| 2 | | connector | |
|----------------+------------+-----------------+------------|
| PS/2 mouse | J19 | Modem audio | J51 |
| port | | connector | |
|----------------+------------+-----------------+------------|
| Chassis fan | J20 | MIDI/game port | JP48 |
| power | | | |
|----------------+------------+-----------------+------------|
| Soft off power | J23/pins 1 | Microphone in | JP48A |
| supply | & 2 | connector | |
|----------------+------------+-----------------+------------|
| IR connector | J23/pins 6 | Line in | JP48B |
| | - 10 | connector | |
|----------------+------------+-----------------+------------|
| IDE interface | J23/pins | Line out | JP48C |
| LED | 13 - 16 | connector | |
|----------------+------------+-----------------+------------|
| Power LED | J23/pins | 32-bit PCI | PC1 – PC4 |
| | 18 - 20 | slots | |
|------------------------------------------------------------|
| Note: The location of J20, J45, J46, J47 are unidentified. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Label | Position |
|-------------------------------------+-------+--------------|
| » | Factory configured - do not | J52 | Unidentified |
| | alter | | |
|---+---------------------------------+-------+--------------|
| » | Factory configured - do not | J53 | Unidentified |
| | alter | | |
|---+---------------------------------+-------+--------------|
| » | Factory configured - do not | J54 | Unidentified |
| | alter | | |
|---+---------------------------------+-------+--------------|
| » | Factory configured - do not | W1 | Unidentified |
| | alter | | |
|---+---------------------------------+-------+--------------|
| » | Factory configured - do not | W7 | Unidentified |
| | alter | | |
|---+---------------------------------+-------+--------------|
| » | Factory configured - do not | W8 | Unidentified |
| | alter | | |
|---+---------------------------------+-------+--------------|
| » | Factory configured - do not | W9 | Unidentified |
| | alter | | |
|---+---------------------------------+-------+--------------|
| » | Factory configured - do not | W10 | Unidentified |
| | alter | | |
|---+---------------------------------+-------+--------------|
| » | CMOS memory normal operation | W11 | Pins 1 & 2 |
| | | | closed |
|---+---------------------------------+-------+--------------|
| | CMOS memory clear | W11 | Pins 2 & 3 |
| | | | closed |
|---+---------------------------------+-------+--------------|
| » | Flash BIOS write protect | W12 | Open |
| | disabled | | |
|---+---------------------------------+-------+--------------|
| | Flash BIOS write protect | W12 | Closed |
| | enabled | | |
|---+---------------------------------+-------+--------------|
| » | Factory configured - do not | W41 | Unidentified |
| | alter | | |
|---+---------------------------------+-------+--------------|
| » | Wavetable enabled | W48 | Closed |
|---+---------------------------------+-------+--------------|
| | Wave table disabled | W48 | Open |
|---+---------------------------------+-------+--------------|
| » | On board sound enabled | W49 | Pins 1 & 2 |
| | | | closed |
|---+---------------------------------+-------+--------------|
| | On board sound disabled | W49 | Pins 2 & 3 |
| | | | closed |
|---+---------------------------------+-------+--------------|
| » | Factory configured - do not | W54 | Unidentified |
| | alter | | |
|------------------------------------------------------------|
| Note: The location of W12 is unidentified. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DIMM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 |
|------------------+--------------------+--------------------|
| 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 |
|------------------+--------------------+--------------------|
| 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 |
|------------------+--------------------+--------------------|
| 128MB | (1) 16M x 64 | None |
|------------------+--------------------+--------------------|
| 136MB | (1) 16M x 64 | (1) 1M x 64 |
|------------------+--------------------+--------------------|
| 144MB | (1) 16M x 64 | (1) 2M x 64 |
|------------------+--------------------+--------------------|
| 160MB | (1) 16M x 64 | (1) 4M x 64 |
|------------------+--------------------+--------------------|
| 192MB | (1) 16M x 64 | (1) 8M x 64 |
|------------------+--------------------+--------------------|
| 256MB | (1) 16M x 64 | (1) 16M x 64 |
|------------------------------------------------------------|
| Note: Board accepts EDO memory. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 |
|----------------------------+-------------------------------|
| 256KB | (2) 32K x 32 |
|----------------------------+-------------------------------|
| 512KB | (2) 64K x 32 |
|------------------------------------------------------------|
| Note: The location of bank 0 is unidentified. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE JUMPER CONFIGURATION |
|------------------------------------------------------------|
| Size | W46 |
|-----------------------------+------------------------------|
| 256KB | Closed |
|-----------------------------+------------------------------|
| 512KB | Open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (AMD) |
|------------------------------------------------------------|
| CPU |Clock |Multiplier| W2 | W3 | W4 | W5 | W6 |
| speed |speed | | | | | | |
|-------+------+----------+------+------+------+------+------|
| 90MHz |60MHz | 1.5x | Open | Open |Closed| Open |Closed|
|-------+------+----------+------+------+------+------+------|
|100MHz |66MHz | 1.5x | Open | Open | Open |Closed| Open |
|-------+------+----------+------+------+------+------+------|
|120MHz |60MHz | 2x |Closed| Open |Closed| Open |Closed|
|-------+------+----------+------+------+------+------+------|
|133MHz |66MHz | 2x |Closed| Open | Open |Closed| Open |
|-------+------+----------+------+------+------+------+------|
|150MHz |60MHz | 2.5x |Closed|Closed|Closed| Open |Closed|
|-------+------+----------+------+------+------+------+------|
|166MHz |66MHz | 2.5x |Closed|Closed| Open |Closed| Open |
|-------+------+----------+------+------+------+------+------|
|180MHz |60MHz | 3x | Open |Closed|Closed| Open |Closed|
|-------+------+----------+------+------+------+------+------|
|200MHz |66MHz | 3x | Open |Closed| Open |Closed| Open |
|-------+------+----------+------+------+------+------+------|
|233MHz |66MHz | 3.5x | Open | Open | Open |Closed| Open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (INTEL) |
|------------------------------------------------------------|
| CPU |Clock |Multiplier| W2 | W3 | W4 | W5 | W6 |
| speed |speed | | | | | | |
|-------+------+----------+------+------+------+------+------|
| 90MHz |60MHz | 1.5x | Open | Open |Closed| Open |Closed|
|-------+------+----------+------+------+------+------+------|
|100MHz |66MHz | 1.5x | Open | Open | Open |Closed| Open |
|-------+------+----------+------+------+------+------+------|
|120MHz |60MHz | 2x |Closed| Open |Closed| Open |Closed|
|-------+------+----------+------+------+------+------+------|
|133MHz |66MHz | 2x |Closed| Open | Open |Closed| Open |
|-------+------+----------+------+------+------+------+------|
|150MHz |60MHz | 2.5x |Closed|Closed|Closed| Open |Closed|
|-------+------+----------+------+------+------+------+------|
|166MHz |66MHz | 2.5x |Closed|Closed| Open |Closed| Open |
|-------+------+----------+------+------+------+------+------|
|180MHz |60MHz | 3x | Open |Closed|Closed| Open |Closed|
|-------+------+----------+------+------+------+------+------|
|200MHz |66MHz | 3x | Open |Closed| Open |Closed| Open |
|-------+------+----------+------+------+------+------+------|
|233MHz |66MHz | 3.5x | Open | Open | Open |Closed| Open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU TYPE SELECTION |
|------------------------------------------------------------|
| Type | W23 | W24 | W25 | W26 |
|-----------+------------+-----------+-----------+-----------|
| AM K5 | Closed | Closed | Closed | Closed |
|-----------+------------+-----------+-----------+-----------|
| P54C | Closed | Closed | Closed | Closed |
|-----------+------------+-----------+-----------+-----------|
| P55C | Open | Open | Open | Open |
|-----------+------------+-----------+-----------+-----------|
| MMX | Open | Open | Open | Open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU TYPE SELECTION (CON’T) |
|------------------------------------------------------------|
| Type | W30 | W31 | W32 | W33 |
|-----------+------------+-----------+-----------+-----------|
| AM K5 | Open | Open | Open | Open |
|-----------+------------+-----------+-----------+-----------|
| P54C | Open | Open | Open | Open |
|-----------+------------+-----------+-----------+-----------|
| P55C | Closed | Closed | Closed | Closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU VOLTAGE SELECTION |
|------------------------------------------------------------|
| Voltage | W27 |
|--------------------------------+---------------------------|
| | 3.3v | Closed |
|-----+--------------------------+---------------------------|
| » | 3.5v | Open |
+------------------------------------------------------------+