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# ROBOTECH, INC.
COBRA-XLT
Processor CX M1/AM K5/Pentium
Processor Speed 75/90/100/120/133MHz
Chip Set Intel
Maximum Onboard 128MB
Memory
Cache 256/512KB
BIOS Award
Dimensions 330mm x 218mm
I/O Options 32-bit PCI slots (4), floppy drive interface,
IDE interfaces (2), SCSI interface, parallel
port, serial ports (2), VRM connector, cache
slot
NPU Options None
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Function | Label | Function | Label |
|----------------------+-------+--------------------+--------|
| Serial port 1 | CN1 | Speaker | J2 |
|----------------------+-------+--------------------+--------|
| Serial port 2 | CN2 | Turbo LED | J3 |
|----------------------+-------+--------------------+--------|
| Floppy drive | CN3 | Turbo switch | J4 |
| interface | | | |
|----------------------+-------+--------------------+--------|
| Parallel port | CN4 | IDE interface LED | J5 |
|----------------------+-------+--------------------+--------|
| IDE interface | CN5 | SCSI interface LED | J6 |
|----------------------+-------+--------------------+--------|
| IDE interface | CN6 | Reset switch | J7 |
|----------------------+-------+--------------------+--------|
| SCSI interface | CN7 | External battery | JP17 |
|----------------------+-------+--------------------+--------|
| VRM connector | CN8 | 32-bit PCI slots | PCI - |
| | | | PC4 |
|----------------------+-------+--------------------+--------|
| Power LED & keylock | J1 | Cache slot | SL1 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Setting | Label | Position |
|-------------------------------------+-------+--------------|
| » | Jumper information unavailable | J8 | N/A |
|---+---------------------------------+-------+--------------|
| » | Jumper information unavailable | J9 | N/A |
|---+---------------------------------+-------+--------------|
| » | Jumper information unavailable | J10 | N/A |
|---+---------------------------------+-------+--------------|
| » | Factory configured - do not | JP16 | Pins 2 & 3, |
| | alter | | 5 & 6 closed |
|---+---------------------------------+-------+--------------|
| » | CMOS memory normal operation | JP17 | Pins 1 & 2 |
| | | | closed |
|---+---------------------------------+-------+--------------|
| | CMOS memory clear | JP17 | Pins 2 & 3 |
| | | | closed |
|---+---------------------------------+-------+--------------|
| | Battery type select external | JP17 | Closed |
|---+---------------------------------+-------+--------------|
| » | SCSI terminator power source | JP25 | Closed |
| | select system | | |
|---+---------------------------------+-------+--------------|
| | SCSI terminator power source | JP25 | Open |
| | select peripheral | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 |
|------------------+--------------------+--------------------|
| 4MB | (2) 512K x 32 | None |
|------------------+--------------------+--------------------|
| 8MB | (2) 1M x 32 | None |
|------------------+--------------------+--------------------|
| 8MB | (2) 512K x 32 | (2) 512K x 32 |
|------------------+--------------------+--------------------|
| 12MB | (2) 1M x 32 | (2) 512K x 32 |
|------------------+--------------------+--------------------|
| 12MB | (2) 512K x 32 | (2) 1M x 32 |
|------------------+--------------------+--------------------|
| 16MB | (2) 2M x 32 | None |
|------------------+--------------------+--------------------|
| 16MB | (2) 1M x 32 | (2) 1M x 32 |
|------------------+--------------------+--------------------|
| 20MB | (2) 2M x 32 | (2) 512K x 32 |
|------------------+--------------------+--------------------|
| 20MB | (2) 512K x 32 | (2) 2M x 32 |
|------------------+--------------------+--------------------|
| 24MB | (2) 2M x 32 | (2) 1M x 32 |
|------------------+--------------------+--------------------|
| 24MB | (2) 1M x 32 | (2) 2M x 32 |
|------------------+--------------------+--------------------|
| 32MB | (2) 4M x 32 | None |
|------------------+--------------------+--------------------|
| 32MB | (2) 2M x 32 | (2) 2M x 32 |
|------------------+--------------------+--------------------|
| 36MB | (2) 4M x 32 | (2) 512K x 32 |
|------------------+--------------------+--------------------|
| 36MB | (2) 512K x 32 | (2) 4M x 32 |
|------------------+--------------------+--------------------|
| 40MB | (2) 4M x 32 | (2) 1M x 32 |
|------------------+--------------------+--------------------|
| 40MB | (2) 1M x 32 | (2) 4M x 32 |
|------------------+--------------------+--------------------|
| 48MB | (2) 4M x 32 | (2) 2M x 32 |
|------------------+--------------------+--------------------|
| 48MB | (2) 2M x 32 | (2) 4M x 32 |
|------------------+--------------------+--------------------|
| 64MB | (2) 8M x 32 | None |
|------------------+--------------------+--------------------|
| 64MB | (2) 4M x 32 | (2) 4M x 32 |
|------------------+--------------------+--------------------|
| 68MB | (2) 8M x 32 | (2) 512K x 32 |
|------------------+--------------------+--------------------|
| 68MB | (2) 512K x 32 | (2) 8M x 32 |
|------------------+--------------------+--------------------|
| 72MB | (2) 8M x 32 | (2) 1M x 32 |
|------------------+--------------------+--------------------|
| 72MB | (2) 1M x 32 | (2) 8M x 32 |
|------------------+--------------------+--------------------|
| 80MB | (2) 8M x 32 | (2) 2M x 32 |
|------------------+--------------------+--------------------|
| 80MB | (2) 2M x 32 | (2) 8M x 32 |
|------------------+--------------------+--------------------|
| 96MB | (2) 8M x 32 | (2) 4M x 32 |
|------------------+--------------------+--------------------|
| 96MB | (2) 4M x 32 | (2) 8M x 32 |
|------------------+--------------------+--------------------|
| 128MB | (2) 8M x 32 | (2) 8M x 32 |
|------------------+--------------------+--------------------|
| 128MB | (2) 16M x 32 | None |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE SIZE |
|------------------------------------------------------------|
| Size | Bank 0 | TAG | SL1 |
|-------------+---------------+--------------+---------------|
| 256KB (A) | (8) 32K x 8 | (1) 8K x 8 | Not installed |
|-------------+---------------+--------------+---------------|
| 256KB (B) | None | None | Installed |
|-------------+---------------+--------------+---------------|
| 512KB (A) | (8) 64K x 8 | (1) 16K x 8 | Not installed |
|-------------+---------------+--------------+---------------|
| 512KB (B) | None | None | Installed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE JUMPER |
|------------------------------------------------------------|
| Size | JP12 | JP13 | JP14 | JP15 |
|------------+-----------+-----------+-----------+-----------|
| 256KB (A) | Closed | Closed | Open | Open |
|------------+-----------+-----------+-----------+-----------|
| 512KB (A) | Closed | Open | Closed | Closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED (MX8325) |
|------------------------------------------------------------|
| CPU speed | Clock speed | JP7 | JP8 | JP9 | JP10 |
|-----------+-------------+--------+--------+--------+-------|
| 75MHz | 50MHz | Open | Closed | Closed | 1 & 2 |
|-----------+-------------+--------+--------+--------+-------|
| 90MHz | 60MHz | Closed | Open | Closed | 2 & 3 |
|-----------+-------------+--------+--------+--------+-------|
| 100MHz | 50MHz | Open | Closed | Closed | 1 & 2 |
|-----------+-------------+--------+--------+--------+-------|
| 100MHz | 66MHz | Closed | Closed | Closed | 2 & 3 |
|-----------+-------------+--------+--------+--------+-------|
| 120MHz | 60MHz | Closed | Open | Closed | 2 & 3 |
|-----------+-------------+--------+--------+--------+-------|
| 133MHz | 66MHz | Closed | Closed | Closed | 2 & 3 |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED (IMI464) |
|------------------------------------------------------------|
| CPU speed | Clock speed | JP7 | JP8 | JP9 | JP10 |
|-----------+-------------+--------+--------+--------+-------|
| 75MHz | 50MHz | Open | Open | Closed | 1 & 2 |
|-----------+-------------+--------+--------+--------+-------|
| 90MHz | 60MHz | Closed | Open | Closed | 2 & 3 |
|-----------+-------------+--------+--------+--------+-------|
| 100MHz | 50MHz | Open | Open | Closed | 1 & 2 |
|-----------+-------------+--------+--------+--------+-------|
| 100MHz | 66MHz | Closed | Closed | Closed | 2 & 3 |
|-----------+-------------+--------+--------+--------+-------|
| 120MHz | 60MHz | Closed | Open | Closed | 2 & 3 |
|-----------+-------------+--------+--------+--------+-------|
| 133MHz | 66MHz | Closed | Closed | Closed | 2 & 3 |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED (IMI484) |
|------------------------------------------------------------|
| CPU speed | Clock speed | JP7 | JP8 | JP9 | JP10 |
|-----------+-------------+--------+--------+--------+-------|
| 75MHz | 50MHz | Closed | Open | Open | 1 & 2 |
|-----------+-------------+--------+--------+--------+-------|
| 90MHz | 60MHz | Closed | Open | Closed | 2 & 3 |
|-----------+-------------+--------+--------+--------+-------|
| 100MHz | 50MHz | Closed | Open | Open | 1 & 2 |
|-----------+-------------+--------+--------+--------+-------|
| 100MHz | 66MHz | Closed | Closed | Closed | 2 & 3 |
|-----------+-------------+--------+--------+--------+-------|
| 120MHz | 60MHz | Closed | Open | Closed | 2 & 3 |
|-----------+-------------+--------+--------+--------+-------|
| 133MHz | 66MHz | Closed | Closed | Closed | 2 & 3 |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU MULTIPLIER |
|------------------------------------------------------------|
| Setting | JP2 | JP3 |
|--------------------+-------------------+-------------------|
| 1.5x | Open | Open |
|--------------------+-------------------+-------------------|
| 2x | Closed | Open |
|--------------------+-------------------+-------------------|
| 3x | Open | Closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| ON BOARD SCSI |
|------------------------------------------------------------|
| Setting | JP21 | JP22 | JP23 | JP24 |
|----------+--------------+------------+------------+--------|
| Enabled | Pins 2 & 3 | Pins 2 & 3 | Pins 2 & 3 | Open |
| | closed | closed | closed | |
|----------+--------------+------------+------------+--------|
| Disabled | Pins 1 & 2 | Pins 1 & 2 | Open | Closed |
| | closed | closed | | |
+------------------------------------------------------------+