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# SUK JUNG ELECTRONIC CO., LTD.
SJ-PTM HX
Processor CX M1/AM K5/Pentium
Processor Speed 75/90/100/120/133/150/166/180/200MHz
Chip Set Intel
Video Chip Set None
Maximum Onboard 128MB (EDO supported)
Memory
Maximum Video None
Memory
Cache 256/512KB
BIOS Award
Dimensions 272mm x 220mm
I/O Options 32-bit PCI slots (3), CD-ROM interface,
floppy drive interface, game port, green PC
connector, IDE interfaces (2), parallel port,
PS/2 mouse interface, serial ports (2), cache
slot, IR connector, USB connectors (2), audio
connector
NPU Options None
(IMG) IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|-------------------+----------+------------------+----------|
| IR connector | CN1 | Green PC LED | J34 |
|-------------------+----------+------------------+----------|
| CD-ROM interface | CN2 | Green PC | JP11 |
| | | connector | |
|-------------------+----------+------------------+----------|
| Floppy drive | CN3 | Power LED & | JP12 |
| interface | | keylock | |
|-------------------+----------+------------------+----------|
| Serial port 1 | CN4 | Reset switch | JP13 |
|-------------------+----------+------------------+----------|
| Serial port 2 | CN5 | Game interface | JP25 |
|-------------------+----------+------------------+----------|
| Parallel port | CN7 | Audio connector | JP26 |
|-------------------+----------+------------------+----------|
| PS/2 mouse | J13 | 32-bit PCI slots | PC1 - |
| interface | | | PC3 |
|-------------------+----------+------------------+----------|
| IDE interface 2 | J19 | Cache slot | SL1 |
|-------------------+----------+------------------+----------|
| IDE interface 1 | J20 | USB connector 1 | UP1 |
|-------------------+----------+------------------+----------|
| Speaker | J31 | USB connector 2 | UP2 |
|-------------------+----------+------------------+----------|
| IDE interface LED | J32 | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Label | Position |
|---------------------------------------+-------+------------|
| » | Sound enabled | J10 | Pins 1 & 2 |
| | | | closed |
|---+-----------------------------------+-------+------------|
| | Sound disabled | J10 | Pins 2 & 3 |
| | | | closed |
|---+-----------------------------------+-------+------------|
| | Flash BIOS voltage select 12v | JP5 | Pins 1 & 2 |
| | | | closed |
|---+-----------------------------------+-------+------------|
| | Flash BIOS voltage select 5v | JP5 | Pins 2 & 3 |
| | | | closed |
|---+-----------------------------------+-------+------------|
| » | CMOS memory normal operation | JP6 | Open |
|---+-----------------------------------+-------+------------|
| | CMOS memory clear | JP6 | Closed |
|---+-----------------------------------+-------+------------|
| » | Factory configured - do not alter | JP7 | Pins 1 & 2 |
| | | | closed |
|---+-----------------------------------+-------+------------|
| » | Factory configured - do not alter | JP8 | Open |
|---+-----------------------------------+-------+------------|
| » | Factory configured - do not alter | JP9 | Open |
|---+-----------------------------------+-------+------------|
| » | Sound to PC speaker | JP14 | Open |
|---+-----------------------------------+-------+------------|
| | Sound to onboard sound card | JP14 | Closed |
|---+-----------------------------------+-------+------------|
| » | Factory configured - do not alter | JP20 | Open |
|---+-----------------------------------+-------+------------|
| » | Factory configured - do not alter | JP21 | Pins 2 & 3 |
| | | | closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 |
|------------------+--------------------+--------------------|
| 8MB | (2) 1M x 36 | None |
|------------------+--------------------+--------------------|
| 16MB | (2) 2M x 36 | None |
|------------------+--------------------+--------------------|
| 16MB | (2) 1M x 36 | (2) 1M x 36 |
|------------------+--------------------+--------------------|
| 24MB | (2) 2M x 36 | (2) 1M 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 |
|------------------+--------------------+--------------------|
| 48MB | (2) 4M x 36 | (2) 2M x 36 |
|------------------+--------------------+--------------------|
| 64MB | (2) 8M x 36 | None |
|------------------+--------------------+--------------------|
| 64MB | (2) 4M x 36 | (2) 4M x 36 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION (CON’T) |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 |
|------------------+--------------------+--------------------|
| 72MB | (2) 8M x 36 | (2) 1M x 36 |
|------------------+--------------------+--------------------|
| 80MB | (2) 8M x 36 | (2) 2M x 36 |
|------------------+--------------------+--------------------|
| 96MB | (2) 8M x 36 | (2) 4M x 36 |
|------------------+--------------------+--------------------|
| 128MB | (2) 8M x 36 | (2) 8M x 36 |
|------------------------------------------------------------|
| Note: Board accepts EDO memory. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | SL1 | TAG |
|-------+--------------+-----------------------+-------------|
| 256KB | (2) 32K x 32 | Not installed | (1) 32K x 8 |
|-------+--------------+-----------------------+-------------|
| 512KB | (2) 32K x 32 | 256KB module | (1) 32K x 8 |
| | | installed | |
|-------+--------------+-----------------------+-------------|
| 512KB | (2) 64K x 32 | Not installed | (1) 32K x 8 |
|-------+--------------+-----------------------+-------------|
| 512KB | None | 512KB module | None |
| | | installed | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE JUMPER CONFIGURATION |
|------------------------------------------------------------|
| Size | J12 | JP16 |
|------------+---------------------------------+-------------|
| None | Pins 3 & 4, 6 & 7 closed | Open |
|------------+---------------------------------+-------------|
| 256KB | Pins 2 & 3, 4 & 5, 6 & 7 closed | Open |
|------------+---------------------------------+-------------|
| 512KB | Pins 1 & 2, 3 & 4, 5 & 6 closed | Closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION |
|------------------------------------------------------------|
| CPU |Clock |Multiplier| J6 | J7 |J8 | J17 | JP17 |
| speed |speed | | | | | | |
|-------+------+----------+------+-----+---+------+----------|
| 75MHz |50MHz | 1.5x |Closed|2 & 3|2 &|Closed| Open |
| | | | | | 3 | | |
|-------+------+----------+------+-----+---+------+----------|
| 90MHz |60MHz | 1.5x | Open |1 & 2|2 &| Open | Open |
| | | | | | 3 | | |
|-------+------+----------+------+-----+---+------+----------|
|100MHz |66MHz | 1.5x | Open |2 & 3|1 &| Open | Open |
| | | | | | 2 | | |
|-------+------+----------+------+-----+---+------+----------|
|100MHz |50MHz | 2x |Closed|2 & 3|2 &|Closed| 1 & 2 |
| | | | | | 3 | | |
|-------+------+----------+------+-----+---+------+----------|
|120MHz |60MHz | 2x | Open |1 & 2|2 &| Open | 1 & 2 |
| | | | | | 3 | | |
|-------+------+----------+------+-----+---+------+----------|
|133MHz |66MHz | 2x | Open |2 & 3|1 &| Open | 1 & 2 |
| | | | | | 2 | | |
|-------+------+----------+------+-----+---+------+----------|
|150MHz |60MHz | 2.5x | Open |1 & 2|2 &| Open |1 & 2, 3 &|
| | | | | | 3 | | 4 |
|-------+------+----------+------+-----+---+------+----------|
|150MHz |50MHz | 3x |Closed|2 & 3|2 &|Closed| 3 & 4 |
| | | | | | 3 | | |
|-------+------+----------+------+-----+---+------+----------|
|166MHz |66MHz | 2.5x | Open |2 & 3|1 &| Open |1 & 2, 3 &|
| | | | | | 2 | | 4 |
|-------+------+----------+------+-----+---+------+----------|
|180MHz |60MHz | 3x | Open |1 & 2|2 &| Open | 3 & 4 |
| | | | | | 3 | | |
|-------+------+----------+------+-----+---+------+----------|
|200MHz |66MHz | 3x | Open |2 & 3|1 &| Open | 3 & 4 |
| | | | | | 2 | | |
|------------------------------------------------------------|
|Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU VOLTAGE SELECTION |
|------------------------------------------------------------|
| Voltage | JP18 | JP19 | JP61 |
|--------------+------------+------------+-------------------|
| 2.5v | Open | Open | Pins 2 & 3 closed |
|--------------+------------+------------+-------------------|
| 3.3v | Closed | Closed | Pins 1 & 2 closed |
|--------------+------------+------------+-------------------|
| 3.5v | Closed | Closed | Open |
+------------------------------------------------------------+