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# DIAMOND FLOWER, INC.
C586VX (REV. C+)
Device Type Mainboard
Processor CX 6X86/AM K5/Pentium
Processor Speed 75/90/100/120/133/150/166/200/MHz
Chip Set Intel
Video Chip Set None
Maximum Onboard 128MB (EDO & SDRAM supported)
Memory
Maximum Video None
Memory
Cache 256/512KB
BIOS Award
Dimensions 250mm x 220mm
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, IR connector, USB
connectors (2)
NPU Options None
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|-------------------+----------+------------------+----------|
| USB connector 1 | J1 | IR connector | J11 |
|-------------------+----------+------------------+----------|
| USB connector 2 | J2 | IDE interface | J13 |
| | | LED | |
|-------------------+----------+------------------+----------|
| PS/2 mouse | J3 | Green PC LED | J14 |
| interface | | | |
|-------------------+----------+------------------+----------|
| Serial port 1 | J4 | Green PC | J15 |
| | | connector | |
|-------------------+----------+------------------+----------|
| Serial port 2 | J5 | Reset switch | J16 |
|-------------------+----------+------------------+----------|
| Floppy drive | J6 | Speaker | J17 |
| interface | | | |
|-------------------+----------+------------------+----------|
| Parallel port | J7 | Power LED & | J18 |
| | | keylock | |
|-------------------+----------+------------------+----------|
| IDE interface 1 | J8 | 32-bit PCI slots | PC1 – |
| | | | PC4 |
|-------------------+----------+------------------+----------|
| IDE interface 2 | J9 | Cache slot | SL1 |
|-------------------+----------+------------------+----------|
| Chassis fan power | J10 | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Label | Position |
|------------------------------------+-------+---------------|
| » | Monitor type select color | JP3 | Pins 1 & 2 |
| | | | closed |
|---+--------------------------------+-------+---------------|
| | Monitor type select monochrome | JP3 | Pins 2 & 3 |
| | | | closed |
|---+--------------------------------+-------+---------------|
| » | CMOS memory normal operation | JP5 | Open |
|---+--------------------------------+-------+---------------|
| | CMOS memory clear | JP5 | Closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| 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 |
|------------------+--------------------+--------------------|
| 128MB | (2) 8M x 36 | (2) 8M 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 |
|------------------------------------------------------------|
| Note: Board accepts SDRAM memory. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | SL1 |
|--------------+--------------------+------------------------|
| 256KB | (2) 32K x 32 | Not installed |
|--------------+--------------------+------------------------|
| 512KB | (2) 32K x 32 | 256KB module installed |
|--------------+--------------------+------------------------|
| 512KB | (2) 64K x 32 | Not installed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (CX 6X86) |
|------------------------------------------------------------|
| CPU speed | Clock speed | Multiplier | JP6 | JP8 |
|-----------+-------------+------------+-------------+-------|
| 120MHz | 50MHz | 2x | 1 & 2, 3 & | 1 & 2 |
| | | | 4 | |
|-----------+-------------+------------+-------------+-------|
| 133MHz | 55MHz | 2x | Open | 1 & 2 |
|-----------+-------------+------------+-------------+-------|
| 150MHz | 60MHz | 2x | 1 & 2 | 1 & 2 |
|-----------+-------------+------------+-------------+-------|
| 166MHz | 66MHz | 2x | 3 & 4 | 1 & 2 |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (AM K5) |
|------------------------------------------------------------|
| CPU speed | Clock speed | Multiplier | JP6 | JP8 |
|-----------+-------------+------------+--------------+------|
| 75MHz | 50MHz | 1.5x | 1 & 2, 3 & 4 | Open |
|-----------+-------------+------------+--------------+------|
| 90MHz | 60MHz | 1.5x | 1 & 2 | Open |
|-----------+-------------+------------+--------------+------|
| 100MHz | 66MHz | 1.5x | 3 & 4 | Open |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (INTEL) |
|------------------------------------------------------------|
| CPU speed | Clock | Multiplier | JP6 | JP8 |
| | speed | | | |
|------------+----------+------------+------------+----------|
| 75MHz | 50MHz | 1.5x | 1 & 2, 3 & | Open |
| | | | 4 | |
|------------+----------+------------+------------+----------|
| 90MHz | 60MHz | 1.5x | 1 & 2 | Open |
|------------+----------+------------+------------+----------|
| 100MHz | 66MHz | 1.5x | 3 & 4 | Open |
|------------+----------+------------+------------+----------|
| 120MHz | 60MHz | 2x | 1 & 2 | 1 & 2 |
|------------+----------+------------+------------+----------|
| 133MHz | 66MHz | 2x | 3 & 4 | 1 & 2 |
|------------+----------+------------+------------+----------|
| 150MHz | 60MHz | 2.5x | 1 & 2 | 1 & 2, 3 |
| | | | | & 4 |
|------------+----------+------------+------------+----------|
| 166MHz | 66MHz | 2.5x | 3 & 4 | 1 & 2, 3 |
| | | | | & 4 |
|------------+----------+------------+------------+----------|
| 200MHz | 66MHz | 3x | 3 & 4 | 3 & 4 |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU VOLTAGE SELECTION |
|------------------------------------------------------------|
| Voltage | JP9 | JP11 | JP20 | JP21 |
|------------+--------+--------------+--------+--------------|
| | 2.5v | 1 & 2 | 1 & 3, 2 & 4 | 5 & 6 | Open |
|----+-------+--------+--------------+--------+--------------|
| | 2.8v | 1 & 2 | 1 & 3, 2 & 4 | 3 & 4 | Open |
|----+-------+--------+--------------+--------+--------------|
| | 2.9v | 1 & 2 | 1 & 3, 2 & 4 | 1 & 2 | Open |
|----+-------+--------+--------------+--------+--------------|
| » | 3.3v | 1 & 2 | 3 & 5, 4 & 6 | 3 & 4 | 1 & 2, 3 & 4 |
|----+-------+--------+--------------+--------+--------------|
| | 3.5v | 3 & 4 | 3 & 5, 4 & 6 | 3 & 4 | 1 & 2, 3 & 4 |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+