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# M TECHNOLOGY, INC.
R527 PENTIUM PCI/ISA MTI-R527
Processor CX M1/Pentium
Processor Speed 75/80/90/100/120/133/150/166MHz
Chip Set SIS
Video Chip Set None
Maximum Onboard 512MB (EDO supported)
Memory
Maximum Video None
Memory
Cache 256/512/1024KB
BIOS Award
Dimensions 280mm x 220mm
I/O Options 32-bit PCI slots (3), floppy drive interface,
green PC connector, IDE interfaces (2),
parallel port, PS/2 mouse interface, serial
ports (2), feature connector, VGA interface
NPU Options None
(IMG) IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|-------------------+----------+------------------+----------|
| Serial port 2 | CN1 | Power LED & | J2 |
| | | keylock | |
|-------------------+----------+------------------+----------|
| Serial port 1 | CN2 | Speaker | J3 |
|-------------------+----------+------------------+----------|
| Floppy drive | CN3 | Turbo switch | J4 |
| interface | | | |
|-------------------+----------+------------------+----------|
| Parallel port | CN4 | Turbo LED | J5 |
|-------------------+----------+------------------+----------|
| IDE interface 2 | CN5 | Reset switch | J6 |
|-------------------+----------+------------------+----------|
| IDE interface 1 | CN6 | IDE interface | J7 |
| | | LED 2 | |
|-------------------+----------+------------------+----------|
| VGA interface | CN8 | IDE interface | J8 |
| | | LED 1 | |
|-------------------+----------+------------------+----------|
| Feature connector | CN9 | Green PC | J9 |
| | | connector | |
|-------------------+----------+------------------+----------|
| PS/2 mouse | J1 | 32-bit PCI slots | PC1 - |
| interface | | | PC3 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Label | Position |
|---------------------------------------+-------+------------|
| » | Pipeline address enabled (only if | JP32 | Pins 2 & 3 |
| | burst cache is installed) | | closed |
|---+-----------------------------------+-------+------------|
| | Pipeline address disabled | JP32 | Pins 1 & 2 |
| | | | closed |
|---+-----------------------------------+-------+------------|
| » | Cache type select write back | JP33 | Pins 1 & 2 |
| | | | closed |
|---+-----------------------------------+-------+------------|
| | Cache type select write through | JP33 | Pins 2 & 3 |
| | | | closed |
|---+-----------------------------------+-------+------------|
| » | CMOS memory normal operation | JP36 | Pins 1 & 2 |
| | | | closed |
|---+-----------------------------------+-------+------------|
| | CMOS memory clear | JP36 | Pins 2 & 3 |
| | | | closed |
|---+-----------------------------------+-------+------------|
| | Monitor type select CGA | JP45 | Closed |
|---+-----------------------------------+-------+------------|
| | Monitor type select | JP45 | Open |
| | EGA/VGA/monochrome | | |
|---+-----------------------------------+-------+------------|
| » | Flash BIOS mode select normal | JP55 | Pins 2 & 3 |
| | operation | | closed |
|---+-----------------------------------+-------+------------|
| | Flash BIOS mode select | JP55 | Pins 1 & 2 |
| | programming mode | | closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 |
|------------------+--------------------+--------------------|
| 2MB | (2) 1M x 36 | None |
|------------------+--------------------+--------------------|
| 4MB | (2) 1M x 36 | (2) 1M x 36 |
|------------------+--------------------+--------------------|
| 8MB | (2) 1M x 36 | None |
|------------------+--------------------+--------------------|
| 10MB | (2) 1M x 36 | (2) 256K x 36 |
|------------------+--------------------+--------------------|
| 12MB | (2) 1M x 36 | (2) 512K x 36 |
|------------------+--------------------+--------------------|
| 16MB | (2) 2M x 36 | None |
|------------------+--------------------+--------------------|
| 16MB | (2) 1M x 36 | (2) 1M x 36 |
|------------------+--------------------+--------------------|
| 24MB | (2) 2M x 36 | (2) 1M x 36 |
|------------------+--------------------+--------------------|
| 24MB | (2) 1M x 36 | (2) 2M 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 |
|------------------+--------------------+--------------------|
| 40MB | (2) 1M x 36 | (2) 4M x 36 |
|------------------+--------------------+--------------------|
| 48MB | (2) 4M x 36 | (2) 2M x 36 |
|------------------+--------------------+--------------------|
| 48MB | (2) 2M x 36 | (2) 4M x 36 |
|------------------+--------------------+--------------------|
| 64MB | (2) 8M x 36 | None |
|------------------+--------------------+--------------------|
| 64MB | (2) 4M x 36 | (2) 4M x 36 |
|------------------+--------------------+--------------------|
| 68MB | (2) 8M x 36 | (2) 512K x 36 |
|------------------+--------------------+--------------------|
| 72MB | (2) 8M x 36 | (2) 1M x 36 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION (CON’T) |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 |
|----------------+---------------------+---------------------|
| 72MB | (2) 1M x 36 | (2) 8M x 36 |
|----------------+---------------------+---------------------|
| 80MB | (2) 8M x 36 | (2) 2M x 36 |
|----------------+---------------------+---------------------|
| 80MB | (2) 2M x 36 | (2) 8M x 36 |
|----------------+---------------------+---------------------|
| 96MB | (2) 8M x 36 | (2) 4M x 36 |
|----------------+---------------------+---------------------|
| 96MB | (2) 4M x 36 | (2) 8M x 36 |
|----------------+---------------------+---------------------|
| 128MB | (2) 8M x 36 | (2) 8M x 36 |
|----------------+---------------------+---------------------|
| 136MB | (2) 16M x 36 | (2) 1M x 36 |
|----------------+---------------------+---------------------|
| 144MB | (2) 16M x 36 | (2) 2M x 36 |
|----------------+---------------------+---------------------|
| 160MB | (2) 16M x 36 | (2) 4M x 36 |
|----------------+---------------------+---------------------|
| 192MB | (2) 16M x 36 | (2) 8M x 36 |
|----------------+---------------------+---------------------|
| 256MB | (2) 16M x 36 | (2) 16M x 36 |
|----------------+---------------------+---------------------|
| 264MB | (2) 32M x 36 | (2) 1M x 36 |
|----------------+---------------------+---------------------|
| 272MB | (2) 32M x 36 | (2) 2M x 36 |
|----------------+---------------------+---------------------|
| 288MB | (2) 32M x 36 | (2) 4M x 36 |
|----------------+---------------------+---------------------|
| 320MB | (2) 32M x 36 | (2) 8M x 36 |
|----------------+---------------------+---------------------|
| 384MB | (2) 16M x 36 | (2) 32M x 36 |
|----------------+---------------------+---------------------|
| 384MB | (2) 32M x 36 | (2) 16M x 36 |
|----------------+---------------------+---------------------|
| 512MB | (2) 32M x 36 | (2) 32M x 36 |
|------------------------------------------------------------|
| Note: Board accepts EDO memory. Board also accepts x 32 |
| SIMMs. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | TAG |
|------------+--------------+-----------+--------------------|
| 256KB (A) | (8) 32K x 8 | None | (1) 8K/16K/32K x 8 |
|------------+--------------+-----------+--------------------|
| 256KB (B) | None | (2) 32K x | (1) 8K/16K/32K x 8 |
| | | 32 | |
|------------+--------------+-----------+--------------------|
| 512KB | (8) 64K x 8 | None | (1) 16K/32K x 8 |
|------------+--------------+-----------+--------------------|
| 1MB | (8) 128K x 8 | None | (1) 32K x 8 |
|------------------------------------------------------------|
| Note: Board will be installed with either standard or |
| burst cache. Both types will not be present. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE JUMPER CONFIGURATION |
|------------------------------------------------------------|
| Size | JP5 | JP6 |
|------------------+--------------------+--------------------|
| 256KB (A) | Pins 1 & 2 closed | Pins 1 & 2 closed |
|------------------+--------------------+--------------------|
| 256KB (B) | Pins 1 & 2 closed | Pins 1 & 2 closed |
|------------------+--------------------+--------------------|
| 512KB | Pins 2 & 3 closed | Pins 1 & 2 closed |
|------------------+--------------------+--------------------|
| 1MB | Pins 2 & 3 closed | Pins 2 & 3 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE VOLTAGE CONFIGURATION |
|------------------------------------------------------------|
| Voltage | JP2 | JP3 |
|------------------+--------------------+--------------------|
| Mixed voltage | Pins 1 & 2 closed | Pins 1 & 2 closed |
|------------------+--------------------+--------------------|
| 3.3v | Pins 2 & 3 closed | Pins 2 & 3 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (CYRIX) |
|------------------------------------------------------------|
| CPU | Clock | JP25 | JP26 | JP27 | JP30 | JP31 |
| speed | speed | | | | | |
|--------+--------+--------+--------+--------+-------+-------|
| 80MHz | 40MHz | Closed | Open | Open | 2 & 3 | 1 & 2 |
|--------+--------+--------+--------+--------+-------+-------|
| 100MHz | 50MHz | Closed | Closed | Closed | 2 & 3 | 1 & 2 |
|--------+--------+--------+--------+--------+-------+-------|
| 120MHz | 60MHz | Open | Closed | Open | 2 & 3 | 1 & 2 |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (INTEL) |
|------------------------------------------------------------|
| CPU | Clock | JP25 | JP26 | JP27 | JP30 | JP31 |
| speed | speed | | | | | |
|---------+---------+------+--------+--------+-------+-------|
| 75MHz | 50MHz | Open | Closed | Closed | 1 & 2 | 1 & 2 |
|---------+---------+------+--------+--------+-------+-------|
| 90MHz | 60MHz | Open | Closed | Open | 1 & 2 | 1 & 2 |
|---------+---------+------+--------+--------+-------+-------|
| 100MHz | 66MHz | Open | Open | Closed | 1 & 2 | 1 & 2 |
|---------+---------+------+--------+--------+-------+-------|
| 120MHz | 60MHz | Open | Closed | Open | 2 & 3 | 1 & 2 |
|---------+---------+------+--------+--------+-------+-------|
| 133MHz | 66MHz | Open | Open | Closed | 2 & 3 | 1 & 2 |
|---------+---------+------+--------+--------+-------+-------|
| 150MHz | 50MHz | Open | Closed | Closed | 1 & 2 | 2 & 3 |
|---------+---------+------+--------+--------+-------+-------|
| 150MHz | 60MHz | Open | Closed | Open | 2 & 3 | 2 & 3 |
|---------+---------+------+--------+--------+-------+-------|
| 166MHz | 66MHz | Open | Open | Closed | 2 & 3 | 2 & 3 |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU TYPE CONFIGURATION |
|------------------------------------------------------------|
| Type | JP8 |
|------------------------+-----------------------------------|
| Cyrix | pins 1 & 2 closed |
|------------------------+-----------------------------------|
| Intel | pins 2 & 3 closed |
|------------------------------------------------------------|
| Note: This setting only valid if burst cache is installed. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU VOLTAGE SELECTION |
|------------------------------------------------------------|
| Voltage | JP38 | JP39 | JP40 |
|---------------+---------------+---------------+------------|
| 3.3v | Closed | Open | Open |
|---------------+---------------+---------------+------------|
| 3.45v - 3.6v | Open | Closed | Open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| PS/2 MOUSE CONFIGURATION |
|------------------------------------------------------------|
| » Setting | JP20 | JP21 | JP22 | JP23 | JP24 |
|----------------+---------+--------+--------+-------+-------|
| » | Enabled | 1 & 2 | 1 & 2 | 1 & 2 | 1 & 2 | 1 & 2 |
|----+-----------+---------+--------+--------+-------+-------|
| » | Disabled | 2 & 3 | 2 & 3 | 2 & 3 | 2 & 3 | 2 & 3 |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+