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# ZIDA TECHNOLOGIES INC.
5STX (VER. 1.10)
Device Type Mainboard
Processor CX 6X86/IBM 6X86/AM K5/AM K6/Pentium/Pentium
MMX
Processor Speed 90/100/120/133/150/166/200/233MHz
Chip Set Intel 430TX
Video Chip Set None
Maximum Onboard 256MB (EDO & SDRAM supported)
Memory
Maximum Video None
Memory
Cache 256/512KB
BIOS Award
Dimensions 220mm x 204mm
I/O Options 32-bit PCI slots (3), floppy drive interface,
green PC connector, IDE interfaces (2), PS/2
mouse interface, serial ports (2), IR
connector, USB connectors (2)
NPU Options None
(IMG) IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|-----------------+------------+---------------+-------------|
| Serial port 1 | J1 | IR connector | JP2/pins 16 |
| | | | - 20 |
|-----------------+------------+---------------+-------------|
| Floppy drive | J2 | PCI media | JP6 |
| interface | | connector | |
|-----------------+------------+---------------+-------------|
| IDE interface 1 | J3 | ISA media | JP7 |
| | | connector | |
|-----------------+------------+---------------+-------------|
| IDE interface 2 | J4 | Power LED & | JP10/pins 1 |
| | | keylock | – 5 |
|-----------------+------------+---------------+-------------|
| Serial port 2 | J5 | Green PC | JP10/pins 7 |
| | | connector | & 8 |
|-----------------+------------+---------------+-------------|
| Parallel port | J6 | Speaker | JP10/pins |
| | | | 10 – 13 |
|-----------------+------------+---------------+-------------|
| USB connector 1 | JP2/pins 1 | IDE interface | JP10/pins |
| | - 5 | LED | 14 & 15 |
|-----------------+------------+---------------+-------------|
| PS/2 mouse | JP2/pins 6 | Reset switch | JP10/pins |
| interface | – 10 | | 22 & 23 |
|-----------------+------------+---------------+-------------|
| USB connector 2 | JP2/pins | 32-bit PCI | PC1 – PC3 |
| | 11 – 15 | slots | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Label | Position |
|-------------------------------------+-------+--------------|
| » | CMOS memory normal operation | JP3 | Pins 2 & 3 |
| | | | closed |
|---+---------------------------------+-------+--------------|
| | CMOS memory clear | JP3 | Pins 1 & 2 |
| | | | closed |
|---+---------------------------------+-------+--------------|
| » | Factory configured - do not | JP8 | Unidentified |
| | alter | | |
|---+---------------------------------+-------+--------------|
| » | Factory configured - do not | JP9 | Unidentified |
| | alter | | |
|---+---------------------------------+-------+--------------|
| » | Factory configured - do not | JP12 | Unidentified |
| | alter | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SIMM 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 |
|------------------+--------------------+--------------------|
| 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 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SIMM CONFIGURATION (CON’T) |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 |
|------------------+--------------------+--------------------|
| 128MB | (2) 8M x 36 | (2) 8M x 36 |
|------------------+--------------------+--------------------|
| 128MB | (2) 16M x 36 | None |
|------------------+--------------------+--------------------|
| 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 |
|------------------------------------------------------------|
| Note: Board accepts EDO memory. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DIMM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 2 |
|----------------------------+-------------------------------|
| 8MB | (1) 1M x 64 |
|----------------------------+-------------------------------|
| 16MB | (1) 2M x 64 |
|----------------------------+-------------------------------|
| 32MB | (1) 4M x 64 |
|----------------------------+-------------------------------|
| 64MB | (1) 8M x 64 |
|----------------------------+-------------------------------|
| 128MB | (1) 16M x 64 |
|----------------------------+-------------------------------|
| 256MB | (1) 32M x 64 |
|------------------------------------------------------------|
| Note: Board accepts SDRAM memory. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | TAG |
|------------------+--------------------+--------------------|
| 256KB | (2) 32K x 32 | Unidentified |
|------------------+--------------------+--------------------|
| 512KB | (2) 64K x 32 | Unidentified |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (CX 6X86) |
|------------------------------------------------------------|
| CPU | Clock | Multiplier | JP4 | JP5 | JP11 |
| speed | speed | | | | |
|----------+--------+------------+----------+-------+--------|
| 133MHz | 55MHz | 2x | 3 & 5, 4 | 1 & 2 | 1 & 3, |
| | | | & 6 | | 4 & 6 |
|----------+--------+------------+----------+-------+--------|
| 166MHz | 66MHz | 2x | 2 & 4, 3 | 2 & 3 | 1 & 3, |
| | | | & 5 | | 4 & 6 |
|----------+--------+------------+----------+-------+--------|
| 200MHz | 75MHz | 2x | 1 & 3, 4 | 1 & 2 | 1 & 3, |
| | | | & 6 | | 4 & 6 |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (IBM 6X86) |
|------------------------------------------------------------|
| CPU | Clock | Multiplier | JP4 | JP5 | JP11 |
| speed | speed | | | | |
|----------+--------+------------+----------+-------+--------|
| 133MHz | 55MHz | 2x | 3 & 5, 4 | 1 & 2 | 1 & 3, |
| | | | & 6 | | 4 & 6 |
|----------+--------+------------+----------+-------+--------|
| 166MHz | 66MHz | 2x | 2 & 4, 3 | 2 & 3 | 1 & 3, |
| | | | & 5 | | 4 & 6 |
|----------+--------+------------+----------+-------+--------|
| 200MHz | 75MHz | 2x | 1 & 3, 4 | 1 & 2 | 1 & 3, |
| | | | & 6 | | 4 & 6 |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (AM K5) |
|------------------------------------------------------------|
| CPU | Clock | Multiplier | JP4 | JP5 | JP11 |
| speed | speed | | | | |
|----------+--------+------------+----------+-------+--------|
| 90MHz | 60MHz | 1.5x | 1 & 3, 4 | 2 & 3 | 1 & 3, |
| | | | & 6 | | 2 & 4 |
|----------+--------+------------+----------+-------+--------|
| 100MHz | 66MHz | 1.5x | 2 & 4, 3 | 2 & 3 | 1 & 3, |
| | | | & 5 | | 2 & 4 |
|----------+--------+------------+----------+-------+--------|
| 133MHz | 66MHz | 1.5x | 2 & 4, 3 | 2 & 3 | 1 & 3, |
| | | | & 5 | | 2 & 4 |
|----------+--------+------------+----------+-------+--------|
| 150MHz | 60MHz | 1.75x | 1 & 3, 4 | 2 & 3 | 3 & 5, |
| | | | & 6 | | 4 & 6 |
|----------+--------+------------+----------+-------+--------|
| 166MHz | 66MHz | 1.75x | 2 & 4, 3 | 2 & 3 | 3 & 5, |
| | | | & 5 | | 4 & 6 |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (AM K6) |
|------------------------------------------------------------|
| CPU | Clock | Multiplier | JP4 | JP5 | JP11 |
| speed | speed | | | | |
|----------+--------+------------+----------+-------+--------|
| 166MHz | 66MHz | 2.5x | 2 & 4, 3 | 2 & 3 | 3 & 5, |
| | | | & 5 | | 4 & 6 |
|----------+--------+------------+----------+-------+--------|
| 200MHz | 66MHz | 3x | 2 & 4, 3 | 2 & 3 | 2 & 4, |
| | | | & 5 | | 3 & 5 |
|----------+--------+------------+----------+-------+--------|
| 233MHz | 66MHz | 3.5x | 2 & 4, 3 | 2 & 3 | 1 & 3, |
| | | | & 5 | | 2 & 4 |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (INTEL) |
|------------------------------------------------------------|
| CPU | Clock | Multiplier | JP4 | JP5 | JP11 |
| speed | speed | | | | |
|----------+--------+------------+----------+-------+--------|
| 90MHz | 60MHz | 1.5x | 1 & 3, 4 | 2 & 3 | 1 & 3, |
| | | | & 6 | | 2 & 4 |
|----------+--------+------------+----------+-------+--------|
| 100MHz | 66MHz | 1.5x | 2 & 4, 3 | 2 & 3 | 1 & 3, |
| | | | & 5 | | 2 & 4 |
|----------+--------+------------+----------+-------+--------|
| 120MHz | 60MHz | 2x | 1 & 3, 4 | 2 & 3 | 1 & 3, |
| | | | & 6 | | 4 & 6 |
|----------+--------+------------+----------+-------+--------|
| 133MHz | 66MHz | 2x | 2 & 4, 3 | 2 & 3 | 1 & 3, |
| | | | & 5 | | 4 & 6 |
|----------+--------+------------+----------+-------+--------|
| 150MHz | 60MHz | 2.5x | 1 & 3, 4 | 2 & 3 | 3 & 5, |
| | | | & 6 | | 4 & 6 |
|----------+--------+------------+----------+-------+--------|
| 166MHz | 66MHz | 2.5x | 2 & 4, 3 | 2 & 3 | 3 & 5, |
| | | | & 5 | | 4 & 6 |
|----------+--------+------------+----------+-------+--------|
| 200MHz | 66MHz | 3x | 2 & 4, 3 | 2 & 3 | 2 & 4, |
| | | | & 5 | | 3 & 5 |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (INTEL MMX) |
|------------------------------------------------------------|
| CPU | Clock | Multiplier | JP4 | JP5 | JP11 |
| speed | speed | | | | |
|----------+--------+------------+----------+-------+--------|
| 166MHz | 66MHz | 2.5x | 2 & 4, 3 | 2 & 3 | 3 & 5, |
| | | | & 5 | | 4 & 6 |
|----------+--------+------------+----------+-------+--------|
| 200MHz | 66MHz | 3x | 2 & 4, 3 | 2 & 3 | 2 & 4, |
| | | | & 5 | | 3 & 5 |
|----------+--------+------------+----------+-------+--------|
| 233MHz | 66MHz | 3.5x | 2 & 4, 3 | 2 & 3 | 1 & 3, |
| | | | & 5 | | 2 & 4 |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU VOLTAGE SELECTION |
|------------------------------------------------------------|
| Voltage | JP14 | JP15 |
|------------------+--------------------+--------------------|
| 2.8v | 1 & 3, 4 & 6 | 1 & 3, 2 & 4 |
|------------------+--------------------+--------------------|
| 2.9v | 1 & 3, 4 & 6 | 2 & 4, 3 & 5 |
|------------------+--------------------+--------------------|
| 3.2v | 3 & 5, 4 & 6 | 1 & 3, 2 & 4 |
|------------------+--------------------+--------------------|
| 3.4v | 3 & 5, 4 & 6 | 1 & 3, 4 & 6 |
|------------------+--------------------+--------------------|
| 3.5v | 3 & 5, 4 & 6 | 3 & 5, 4 & 6 |
+------------------------------------------------------------+