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# CSS LABORATORIES, INC.
PREFERRED TR SYSTEMS, MAXPRO MT TR SYSTEMS, PRORACK TR
SYSTEMS, MB-5864
Processor Pentium
Processor 75/90/100/120/133/150/166MHz
Speed
Chip Set Unidentified
Max. Onboard 128MB
DRAM
Cache 256/512KB
BIOS Unidentified
Dimensions 330mm x 218mm
I/O Options 32-bit PCI slots (4), floppy drive interface,
green PC connector, IDE interfaces (2), parallel
port, PS/2 mouse interface, serial ports (2),
cache slot
NPU Options None
(IMG) IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|------------------+----------+-------------------+----------|
| Floppy drive | J4 | Turbo LED | J99 pins |
| interface | | | 3 & 4 |
|------------------+----------+-------------------+----------|
| Power LED & | J32 | IDE interface LED | J100 |
| keylock | | | |
|------------------+----------+-------------------+----------|
| PCI IDE | J34 | Front panel | J101 |
| interface LED | | connector | |
|------------------+----------+-------------------+----------|
| Speaker | J39 | External battery | J106 |
|------------------+----------+-------------------+----------|
| IDE interface 1 | J70 | IR connector | J107 |
|------------------+----------+-------------------+----------|
| IDE interface 2 | J71 | Green PC | MON |
| | | connector | |
| | | (monitor) | |
|------------------+----------+-------------------+----------|
| PS/2 mouse | J86 | 32-bit PCI slots | PC1 - |
| interface | | | PC4 |
|------------------+----------+-------------------+----------|
| Serial port 2 | J96 | Internal | SEN1 |
| | | temperature | |
| | | sensor | |
|------------------+----------+-------------------+----------|
| Serial port 1 | J97 | Internal | SEN2 |
| | | temperature | |
| | | sensor | |
|------------------+----------+-------------------+----------|
| Parallel port | J98 | Cache slot | SL1 |
|------------------+----------+-------------------+----------|
| Reset switch | J99 pins | | |
| | 1 & 2 | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Jumper | Position |
|---------------------------------------+---------+----------|
| » | Pipeline enabled | JP16 | Closed |
|---+-----------------------------------+---------+----------|
| | Pipeline disabled | JP16 | Open |
|---+-----------------------------------+---------+----------|
| » | CMOS memory normal operation | JP20 | Open |
|---+-----------------------------------+---------+----------|
| | CMOS memory clear | JP20 | Closed |
|---+-----------------------------------+---------+----------|
| » | Password normal operation | JP21 | Open |
|---+-----------------------------------+---------+----------|
| | Password clear | JP21 | Closed |
|---+-----------------------------------+---------+----------|
| » | Factory configured - do not alter | JP22 | N/A |
|---+-----------------------------------+---------+----------|
| » | Factory configured - do not alter | JP27 | N/A |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 |
|------------------+--------------------+--------------------|
| 8MB | (2) 1M x 32 | NONE |
|------------------+--------------------+--------------------|
| 8MB | (2) 512K x 32 | (2) 512K x 32 |
|------------------+--------------------+--------------------|
| 10MB | (2) 1M x 32 | (2) 256K x 32 |
|------------------+--------------------+--------------------|
| 10MB | (2) 256K x 32 | (2) 1M 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 |
|------------------+--------------------+--------------------|
| 18MB | (2) 2M x 32 | (2) 256K x 32 |
|------------------+--------------------+--------------------|
| 18MB | (2) 256K x 32 | (2) 2M x 32 |
|------------------+--------------------+--------------------|
| 20MB | (2) 2M x 32 | (2) 512K x 32 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION (CON’T) |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 |
|------------------+--------------------+--------------------|
| 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 |
|------------------+--------------------+--------------------|
| 34MB | (2) 4M x 32 | (2) 256K x 32 |
|------------------+--------------------+--------------------|
| 34MB | (2) 256K x 32 | (2) 4M 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 |
|------------------+--------------------+--------------------|
| 66MB | (2) 8M x 32 | (2) 256K x 32 |
|------------------+--------------------+--------------------|
| 66MB | (2) 256K x 32 | (2) 8M 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 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE CONFIGURATION |
|------------------------------------------------------------|
| Size | SL1 |
|----------------------------+-------------------------------|
| 256KB | Installed |
|----------------------------+-------------------------------|
| 512KB | Installed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE JUMPER CONFIGURATION |
|------------------------------------------------------------|
| Size | JP12 | JP13 |
|------------------+--------------------+--------------------|
| None | pins 2 & 3 closed | pins 2 & 3 closed |
|------------------+--------------------+--------------------|
| 256KB | pins 2 & 3 closed | pins 1 & 2 closed |
|------------------+--------------------+--------------------|
| 512KB | pins 1 & 2 closed | pins 2 & 3 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE JUMPER CONFIGURATION |
|------------------------------------------------------------|
| Type | JP10 | JP11 |
|------------------+--------------------+--------------------|
| Asynchronous | pins 2 & 3 closed | pins 1 & 2 closed |
|------------------+--------------------+--------------------|
| Burst | pins 1 & 2 closed | pins 2 & 3 closed |
|------------------+--------------------+--------------------|
| Pipeline burst | pins 2 & 3 closed | pins 2 & 3 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED CONFIGURATION |
|------------------------------------------------------------|
| Speed | JP1 | JP2 | JP15 | JP28 | JP108 |
|----------+----------+----------+---------+--------+--------|
| 75MHz | 2 & 3 | 2 & 3 | Open | 1 & 2 | 1 & 2 |
|----------+----------+----------+---------+--------+--------|
| 90MHz | 1 & 2 | 2 & 3 | Open | 1 & 2 | 2 & 3 |
|----------+----------+----------+---------+--------+--------|
| 100MHz | 2 & 3 | 1 & 2 | Open | 1 & 2 | 2 & 3 |
|----------+----------+----------+---------+--------+--------|
| 120MHz | 1 & 2 | 2 & 3 | 2 & 3 | 1 & 2 | 2 & 3 |
|----------+----------+----------+---------+--------+--------|
| 133MHz | 2 & 3 | 1 & 2 | 2 & 3 | 1 & 2 | 2 & 3 |
|----------+----------+----------+---------+--------+--------|
| 150MHz | 1 & 2 | 2 & 3 | 2 & 3 | 2 & 3 | 2 & 3 |
|----------+----------+----------+---------+--------+--------|
| 166MHz | 2 & 3 | 1 & 2 | 2 & 3 | 2 & 3 | 2 & 3 |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BIOS CONFIGURATION |
|------------------------------------------------------------|
| Setting | JP17 | JP18 | JP19 |
|---------------+--------------+--------------+--------------|
| EPROM | pins 1 & 2 | pins 1 & 2 | pins 2 & 3 |
| | closed | closed | closed |
|---------------+--------------+--------------+--------------|
| Flash normal | pins 1 & 2 | pins 1 & 2 | pins 1 & 2 |
| | closed | closed | closed |
|---------------+--------------+--------------+--------------|
| Flash | pins 1 & 2 | pins 2 & 3 | pins 1 & 2 |
| programming | closed | closed | closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| FLASH BIOS CONFIGURATION |
|------------------------------------------------------------|
| Setting | JP14 | JP26 |
|----------------------+------------------+------------------|
| Green PC enabled | Open | Open |
|----------------------+------------------+------------------|
| Green PC disabled | Closed | Closed |
|------------------------------------------------------------|
| Note: JP14 may not be present on all boards. |
+------------------------------------------------------------+