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# DIAMOND FLOWER, INC.
586ITX (REV. A+)
Device Type Mainboard
Processor AM K5/AM K6/Pentium
Processor Speed 90/100/120/133/150/166/200/233MHz
Chip Set Intel
Video Chip Set None
Maximum Onboard 256MB (EDO & SDRAM supported)
Memory
Maximum Video None
Memory
Cache 512KB
BIOS Award
Dimensions 305mm x 230mm
I/O Options 32-bit PCI slots (4), floppy drive interface,
green PC connector, IDE interfaces (2),
parallel port, PS/2 mouse port, serial ports
(2), IR connector, USB connectors (2), ATX
power connector
NPU Options None
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|-------------------+----------+------------------+----------|
| ATX power | ATX | Reset switch | J10C |
| connector | | | |
|-------------------+----------+------------------+----------|
| Serial port 1 | CN1 | Green PC | J10D |
| | | connector | |
|-------------------+----------+------------------+----------|
| Floppy drive | CN2 | Soft off power | J10E |
| interface | | supply | |
|-------------------+----------+------------------+----------|
| Serial port 2 | CN3 | Green PC LED | J10F |
|-------------------+----------+------------------+----------|
| IR connector | CN4 | IDE interface | J10G |
| | | LED | |
|-------------------+----------+------------------+----------|
| PS/2 mouse port | CN6 | ATX power supply | J10H |
| | | LED | |
|-------------------+----------+------------------+----------|
| Parallel port | CN7 | USB connector 1 | JP8 |
|-------------------+----------+------------------+----------|
| IDE interface 1 | J7 | USB connector 2 | JP9 |
|-------------------+----------+------------------+----------|
| IDE interface 2 | J8 | Chassis fan | JP19 |
| | | power | |
|-------------------+----------+------------------+----------|
| Power LED & | J10A | 32-bit PCI slots | PC1 – |
| keylock | | | PC4 |
|-------------------+----------+------------------+----------|
| Speaker | J10B | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Label | Position |
|-------------------------------------+-------+--------------|
| » | CMOS memory normal operation | JP7 | Closed |
|---+---------------------------------+-------+--------------|
| | CMOS memory clear | JP7 | Open |
|---+---------------------------------+-------+--------------|
| » | Factory configured - do not | JP14 | Pins 5 & 6, |
| | alter | | 7 & 8 closed |
|---+---------------------------------+-------+--------------|
| » | Factory configured - do not | JP18 | Pins 1 & 3, |
| | alter | | 4 & 6 closed |
|---+---------------------------------+-------+--------------|
| » | Factory configured - do not | JP22 | Open |
| | alter | | |
|---+---------------------------------+-------+--------------|
| » | Factory configured - do not | JP23 | Open |
| | 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 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SIMM CONFIGURATION (CON’T) |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 |
|------------------+--------------------+--------------------|
| 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 |
|------------------+--------------------+--------------------|
| 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 | Bank 3 |
|------------------+--------------------+--------------------|
| 8MB | (1) 1M x 64 | None |
|------------------+--------------------+--------------------|
| 16MB | (1) 2M x 64 | None |
|------------------+--------------------+--------------------|
| 16MB | (1) 1M x 64 | (1) 1M x 64 |
|------------------+--------------------+--------------------|
| 24MB | (1) 2M x 64 | (1) 1M x 64 |
|------------------+--------------------+--------------------|
| 32MB | (1) 4M x 64 | None |
|------------------+--------------------+--------------------|
| 32MB | (1) 2M x 64 | (1) 2M x 64 |
|------------------+--------------------+--------------------|
| 40MB | (1) 4M x 64 | (1) 1M x 64 |
|------------------+--------------------+--------------------|
| 48MB | (1) 4M x 64 | (1) 2M x 64 |
|------------------+--------------------+--------------------|
| 64MB | (1) 8M x 64 | None |
|------------------+--------------------+--------------------|
| 64MB | (1) 4M x 64 | (1) 4M x 64 |
|------------------+--------------------+--------------------|
| 72MB | (1) 8M x 64 | (1) 1M x 64 |
|------------------+--------------------+--------------------|
| 80MB | (1) 8M x 64 | (1) 2M x 64 |
|------------------+--------------------+--------------------|
| 96MB | (1) 8M x 64 | (1) 4M x 64 |
|------------------+--------------------+--------------------|
| 128MB | (1) 16M x 64 | None |
|------------------+--------------------+--------------------|
| 128MB | (1) 8M x 64 | (1) 8M x 64 |
|------------------+--------------------+--------------------|
| 136MB | (1) 16M x 64 | (1) 1M x 64 |
|------------------+--------------------+--------------------|
| 144MB | (1) 16M x 64 | (1) 2M x 64 |
|------------------+--------------------+--------------------|
| 160MB | (1) 16M x 64 | (1) 4M x 64 |
|------------------+--------------------+--------------------|
| 192MB | (1) 16M x 64 | (1) 8M x 64 |
|------------------+--------------------+--------------------|
| 256MB | (1) 16M x 64 | (1) 16M x 64 |
|------------------------------------------------------------|
| Note: Board accepts SDRAM memory. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | TAG |
|------------------+--------------------+--------------------|
| 512KB | (2) 64K x 32 | Unidentified |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (AM K5) |
|------------------------------------------------------------|
| CPU speed | Clock | Multiplier | JP1 | JP2 | JP20 |
| | speed | | | | |
|-----------+----------+------------+-------+-------+--------|
| 90MHz | 60MHz | 1.5x | 1 & 2 | 1 & 2 | Closed |
|-----------+----------+------------+-------+-------+--------|
| 100MHz | 66MHz | 1.5x | 1 & 2 | 1 & 2 | Open |
|-----------+----------+------------+-------+-------+--------|
| 120MHz | 60MHz | 2x | 2 & 3 | 1 & 2 | Closed |
|-----------+----------+------------+-------+-------+--------|
| 133MHz | 66MHz | 2x | 2 & 3 | 1 & 2 | Open |
|-----------+----------+------------+-------+-------+--------|
| 150MHz | 60MHz | 2.5x | 2 & 3 | 2 & 3 | Closed |
|-----------+----------+------------+-------+-------+--------|
| 166MHz | 66MHz | 2.5x | 2 & 3 | 2 & 3 | Open |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (AM K6) |
|------------------------------------------------------------|
| CPU speed | Clock | Multiplier | JP1 | JP2 | JP20 |
| | speed | | | | |
|------------+-----------+------------+-------+-------+------|
| 166MHz | 66MHz | 2.5x | 2 & 3 | 2 & 3 | Open |
|------------+-----------+------------+-------+-------+------|
| 200MHz | 66MHz | 3x | 1 & 2 | 2 & 3 | Open |
|------------+-----------+------------+-------+-------+------|
| 233MHz | 66MHz | 3.5x | 1 & 2 | 1 & 2 | Open |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (INTEL) |
|------------------------------------------------------------|
| CPU speed | Clock | Multiplier | JP1 | JP2 | JP20 |
| | speed | | | | |
|-----------+----------+------------+-------+-------+--------|
| 90MHz | 60MHz | 1.5x | 1 & 2 | 1 & 2 | Closed |
|-----------+----------+------------+-------+-------+--------|
| 100MHz | 66MHz | 1.5x | 1 & 2 | 1 & 2 | Open |
|-----------+----------+------------+-------+-------+--------|
| 120MHz | 60MHz | 2x | 2 & 3 | 1 & 2 | Closed |
|-----------+----------+------------+-------+-------+--------|
| 133MHz | 66MHz | 2x | 2 & 3 | 1 & 2 | Open |
|-----------+----------+------------+-------+-------+--------|
| 150MHz | 60MHz | 2.5x | 2 & 3 | 2 & 3 | Closed |
|-----------+----------+------------+-------+-------+--------|
| 166MHz | 66MHz | 2.5x | 2 & 3 | 2 & 3 | Open |
|-----------+----------+------------+-------+-------+--------|
| 200MHz | 66MHz | 3x | 1 & 2 | 2 & 3 | Open |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (INTEL MMX) |
|------------------------------------------------------------|
| CPU speed | Clock | Multiplier | JP1 | JP2 | JP20 |
| | speed | | | | |
|------------+-----------+------------+-------+-------+------|
| 166MHz | 66MHz | 2.5x | 2 & 3 | 2 & 3 | Open |
|------------+-----------+------------+-------+-------+------|
| 200MHz | 66MHz | 3x | 1 & 2 | 2 & 3 | Open |
|------------+-----------+------------+-------+-------+------|
| 233MHz | 66MHz | 3.5x | 1 & 2 | 1 & 2 | Open |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU VOLTAGE SELECTION (SINGLE) |
|------------------------------------------------------------|
| Voltage | JP15 |
|----------------------------+-------------------------------|
| » | 3.3v | Pins 3 & 4 closed |
|----+-----------------------+-------------------------------|
| | 3.5v | Pins 1 & 2 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU VOLTAGE SELECTION (DUAL) |
|------------------------------------------------------------|
| Voltage | JP13 |
|----------------------------+-------------------------------|
| | 2.8v | Pins 7 & 8 closed |
|---+------------------------+-------------------------------|
| | 2.9v | Pins 5 & 6 closed |
|---+------------------------+-------------------------------|
| | 3.2v | Pins 9 & 10 closed |
|---+------------------------+-------------------------------|
| » | 3.3v | Pins 3 & 4 closed |
|---+------------------------+-------------------------------|
| | 3.5v | Pins 1 & 2 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| MODEM ON RING SELECTION |
|------------------------------------------------------------|
| Setting | JP21 |
|----------------------------+-------------------------------|
| | COM1 | Pins 1 & 2 closed |
|---+------------------------+-------------------------------|
| | COM2 | Pins 2 & 3 closed |
|---+------------------------+-------------------------------|
| » | Disabled | Open |
+------------------------------------------------------------+