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# DIAMOND FLOWER, INC.
G486ECV-AIO
Processor 80486SX/CX486S/80487SX/CX486S2/CX486DX/80486DX/ODP486SX/
80486DX2/CX486DX2/80486DX4/Pentium Overdrive
Processor 25/33/50(internal)/66(internal)/99(internal)MHz
Speed
Chip Set EFAR
Max. 64MB
Onboard
DRAM
Cache 128/256/512/1024KB
BIOS Award
Dimensions 330mm x 218mm
I/O Floppy drive interface, IDE interface, LAN, parallel
Options port, PS/2 mouse port,
riser card, serial ports (2), VGA feature connector
NPU None
Options
(IMG) IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|------------------+----------+-------------------+----------|
| BNC connector | CN1 | AUI connector | J5 |
|------------------+----------+-------------------+----------|
| RJ-45 connector | CN2 | PS/2 mouse port | J6 |
|------------------+----------+-------------------+----------|
| Serial port 1 | CN3 | 12V DC power CPU | J9 |
| | | cooling fan | |
|------------------+----------+-------------------+----------|
| Serial port 2 | CN4 | Power LED & | J10 |
| | | keylock | |
|------------------+----------+-------------------+----------|
| Parallel port | CN5 | Reset switch | J11 |
|------------------+----------+-------------------+----------|
| Analog connector | CN6 | Feature connector | J13 |
|------------------+----------+-------------------+----------|
| IDE interface | J2 | Standby mode LED | JP81 |
|------------------+----------+-------------------+----------|
| LAN extra | J3 | Standby mode | JP86 |
| connector | | switch connector | |
|------------------+----------+-------------------+----------|
| Floppy drive | J4 | Keyboard | KB1 |
| interface | | connector | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Jumper | Position |
|--------------------------------------+--------+------------|
| » | Internal speaker enabled | J8 | pins 1 & 2 |
| | | | closed |
|---+----------------------------------+--------+------------|
| | External speaker enabled | J8 | Open |
|---+----------------------------------+--------+------------|
| » | Factory configured - do not | JP2 | Open |
| | alter | | |
|---+----------------------------------+--------+------------|
| » | Monitor type select color | JP4 | pins 1 & 2 |
| | | | closed |
|---+----------------------------------+--------+------------|
| | Monitor type select monochrome | JP4 | pins 2 & 3 |
| | | | closed |
|---+----------------------------------+--------+------------|
| » | Password normal operation | JP5 | Open |
|---+----------------------------------+--------+------------|
| | Password clear | JP5 | Closed |
|---+----------------------------------+--------+------------|
| » | Factory configured - do not | JP9 | Open |
| | alter | | |
|---+----------------------------------+--------+------------|
| » | Factory configured - do not | JP10 | Open |
| | alter | | |
|---+----------------------------------+--------+------------|
| » | Factory configured - do not | JP11 | Open |
| | alter | | |
|---+----------------------------------+--------+------------|
| » | Factory configured - do not | JP12 | Open |
| | alter | | |
|---+----------------------------------+--------+------------|
| » | Factory configured - do not | JP13 | Open |
| | alter | | |
|---+----------------------------------+--------+------------|
| » | Factory configured - do not | JP14 | Open |
| | alter | | |
|---+----------------------------------+--------+------------|
| » | Factory configured - do not | JP15 | Open |
| | alter | | |
|---+----------------------------------+--------+------------|
| » | Factory configured - do not | JP16 | Closed |
| | alter | | |
|---+----------------------------------+--------+------------|
| » | Factory configured - do not | JP20 | pins 2 & 3 |
| | alter | | closed |
|---+----------------------------------+--------+------------|
| » | Factory configured - do not | JP21 | pins 2 & 3 |
| | alter | | closed |
|---+----------------------------------+--------+------------|
| » | Factory configured - do not | JP24 | pins 2 & 3 |
| | alter | | closed |
|---+----------------------------------+--------+------------|
| » | Factory configured - do not | JP25 | Closed |
| | alter | | |
|---+----------------------------------+--------+------------|
| » | Factory configured - do not | JP34 | pins 2 & 3 |
| | alter | | closed |
|---+----------------------------------+--------+------------|
| » | LAN buffer size 16K | JP35 | Open |
|---+----------------------------------+--------+------------|
| | LAN buffer size 64K | JP35 | Closed |
|---+----------------------------------+--------+------------|
| » | Factory configured - do not | JP39 | Open |
| | alter | | |
|---+----------------------------------+--------+------------|
| » | Factory configured - do not | JP40 | Open |
| | alter | | |
|---+----------------------------------+--------+------------|
| » | Factory configured - do not | JP41 | Open |
| | alter | | |
|---+----------------------------------+--------+------------|
| » | Factory configured - do not | JP42 | Open |
| | alter | | |
|---+----------------------------------+--------+------------|
| » | Factory configured - do not | JP43 | Open |
| | alter | | |
|---+----------------------------------+--------+------------|
| » | Factory configured - do not | JP44 | Open |
| | alter | | |
|---+----------------------------------+--------+------------|
| » | Factory configured - do not | JP45 | Open |
| | alter | | |
|---+----------------------------------+--------+------------|
| » | Factory configured - do not | JP46 | Open |
| | alter | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS (CONT.) |
|------------------------------------------------------------|
| Function | Jumper | Position |
|--------------------------------------+--------+------------|
| » | Flash EPROM 5V | JP50 | pins 1 & 2 |
| | | | closed |
|---+----------------------------------+--------+------------|
| | Flash EPROM 12V | JP50 | pins 2 & 3 |
| | | | closed |
|---+----------------------------------+--------+------------|
| » | Flash EPROM type Intel 28F010 | JP51 | pins 1 & 2 |
| | | | closed |
|---+----------------------------------+--------+------------|
| | Flash EPROM type Intel 28F010 | JP51 | pins 2 & 3 |
| | | | closed |
|---+----------------------------------+--------+------------|
| » | EPROM enabled | JP52 | pins 2 & 3 |
| | | | closed |
|---+----------------------------------+--------+------------|
| | Flash EPROM enabled | JP52 | pins 1 & 2 |
| | | | closed |
|---+----------------------------------+--------+------------|
| » | Factory configured - do not | JP54 | pins 2 & 3 |
| | alter | | closed |
|---+----------------------------------+--------+------------|
| » | Factory configured - do not | JP56 | pins 1 & 2 |
| | alter | | closed |
|---+----------------------------------+--------+------------|
| » | 5V CPU voltage select | JP57 | pins 1 & 3 |
| | | | and 2 & 4 |
|---+----------------------------------+--------+------------|
| | 3V CPU voltage select | JP57 | pins 3 & 5 |
| | | | and 4 & 6 |
|---+----------------------------------+--------+------------|
| » | VESA VGA enabled | JP64 | pins 1 & 2 |
| | | | and 3 & 4 |
|---+----------------------------------+--------+------------|
| | VESA VGA disabled | JP64 | Open |
|---+----------------------------------+--------+------------|
| » | Factory configured - do not | JP68 | pins 1 & 2 |
| | alter | | and 5 & 6 |
|---+----------------------------------+--------+------------|
| » | CPU clock running at 33MHz | JP71 | Open |
|---+----------------------------------+--------+------------|
| | CPU clock running at 50MHz | JP71 | pins 1 & 2 |
| | | | closed |
|---+----------------------------------+--------+------------|
| » | Local bus timing selector 1 | JP71 | Open |
|---+----------------------------------+--------+------------|
| | Local bus timing selector 2 | JP71 | pins 3 & 4 |
| | | | closed |
|---+----------------------------------+--------+------------|
| | VESA VL bus of 72Hz at modes 3, | JP71 | pins 5 & 6 |
| | 12, 5E, & 5F | | closed |
|---+----------------------------------+--------+------------|
| | VESA VL bus of 60Hz at modes 3, | JP71 | Open |
| | 12, 5E, & 5F | | |
|---+----------------------------------+--------+------------|
| » | Intel 80486DX4/99 standby mode | JP73 | pins 1 & 2 |
| | CPU fan control disabled | | closed |
|---+----------------------------------+--------+------------|
| | Intel 80486DX4/99 standby mode | JP73 | pins 2 & 3 |
| | CPU fan control enabled | | closed |
|---+----------------------------------+--------+------------|
| » | Factory configured - do not | JP76 | Closed |
| | alter | | |
|---+----------------------------------+--------+------------|
| » | Factory configured - do not | JP77 | Closed |
| | alter | | |
|---+----------------------------------+--------+------------|
| » | Factory configured - do not | JP78 | Closed |
| | alter | | |
|---+----------------------------------+--------+------------|
| » | Factory configured - do not | JP79 | Closed |
| | alter | | |
|---+----------------------------------+--------+------------|
| » | Factory configured - do not | JP80 | pins 2 & 3 |
| | alter | | closed |
|---+----------------------------------+--------+------------|
| » | Green PC enabled | JP82 | Closed |
|---+----------------------------------+--------+------------|
| | Green PC disabled | JP82 | Open |
|---+----------------------------------+--------+------------|
| » | Standby mode reduces the clock | JP83 | Closed |
| | to 8 MHz | | |
|---+----------------------------------+--------+------------|
| | Clock is unchanged under standby | JP83 | Open |
| | mode | | |
|---+----------------------------------+--------+------------|
| » | Flush Ethernet setting disabled | JP89 | pins 2 & 3 |
| | | | closed |
|---+----------------------------------+--------+------------|
| | Flush Ethernet setting enabled | JP89 | pins 1 & 2 |
| | | | closed |
|---+----------------------------------+--------+------------|
| » | LAN enabled | JP90 | pins 1 & 2 |
| | | | closed |
|---+----------------------------------+--------+------------|
| | LAN disabled | JP90 | pins 2 & 3 |
| | | | closed |
|------------------------------------------------------------|
| Note:Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | Bank 2 | Bank 3 |
|------+--------------+------------+------------+------------|
| 1MB | (1) 256K x | NONE | NONE | NONE |
| | 36 | | | |
|------+--------------+------------+------------+------------|
| 2MB | (1) 256K x | (1) 256K x | NONE | NONE |
| | 36 | 36 | | |
|------+--------------+------------+------------+------------|
| 2MB | (1) 512K x | NONE | NONE | NONE |
| | 36 | | | |
|------+--------------+------------+------------+------------|
| 3MB | (1) 256K x | (1) 256K x | (1) 256K x | NONE |
| | 36 | 36 | 36 | |
|------+--------------+------------+------------+------------|
| 4MB | (1) 256K x | (1) 256K x | (1) 256K x | (1) 256K x |
| | 36 | 36 | 36 | 36 |
|------+--------------+------------+------------+------------|
| 4MB | (1) 1M x 36 | NONE | NONE | NONE |
|------+--------------+------------+------------+------------|
| 4MB | (1) 512K x | NONE | (1) 512K x | NONE |
| | 36 | | 36 | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION (CONT.) |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | Bank 2 | Bank 3 |
|------+-------------+-------------+------------+------------|
| 8MB | (1) 1M x 36 | (1) 1M x 36 | NONE | NONE |
|------+-------------+-------------+------------+------------|
| 8MB | (1) 2M x 36 | NONE | NONE | NONE |
|------+-------------+-------------+------------+------------|
| 12MB | (1) 1M x 36 | (1) 1M x 36 | (1) 1M x | NONE |
| | | | 36 | |
|------+-------------+-------------+------------+------------|
| 16MB | (1) 1M x 36 | (1) 1M x 36 | (1) 1M x | (1) 1M x |
| | | | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 16MB | (1) 4M x 36 | NONE | NONE | NONE |
|------+-------------+-------------+------------+------------|
| 16MB | (1) 2M x 36 | NONE | (1) 2M x | NONE |
| | | | 36 | |
|------+-------------+-------------+------------+------------|
| 32MB | (1) 4M x 36 | (1) 4M x 36 | NONE | NONE |
|------+-------------+-------------+------------+------------|
| 32MB | (1) 8M x 36 | NONE | NONE | NONE |
|------+-------------+-------------+------------+------------|
| 48MB | (1) 4M x 36 | (1) 4M x 36 | (1) 4M x | NONE |
| | | | 36 | |
|------+-------------+-------------+------------+------------|
| 64MB | (1) 4M x 36 | (1) 4M x 36 | (1) 4M x | (1) 4M x |
| | | | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 64MB | (1) 8M x 36 | NONE | (1) 8M x | NONE |
| | | | 36 | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE CONFIGURATION |
|------------------------------------------------------------|
|Size | Bank 0 | Bank 1 |TAG/U21 |TAG/U21A|JP17 |JP18 |JP28 |
|-----+---------+--------+--------+--------+-----+-----+-----|
|128KB|(4) 32K x| NONE |(1) 32K |(1) 128K|2 & 3|2 & 3|2 & 3|
| | 8 | | x 8 | x 8 | | | |
|-----+---------+--------+--------+--------+-----+-----+-----|
|256KB|(4) 32K x|(4) 32K |(1) 32K |(1) 128K|2 & 3|1 & 2|1 & 2|
| | 8 | x 8 | x 8 | x 8 | | | |
|-----+---------+--------+--------+--------+-----+-----+-----|
|512KB|(4) 128K | NONE |(1) 32K |(1) 128K|1 & 2|2 & 3|2 & 3|
| | x 8 | | x 8 | x 8 | | | |
|-----+---------+--------+--------+--------+-----+-----+-----|
| 1MB |(4) 128K |(4) 128K|(1) 128K|(1) 128K|1 & 2|1 & 2|1 & 2|
| | x 8 | x 8 | x 8 | x 8 | | | |
|------------------------------------------------------------|
|Note:Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE JUMPER CONFIGURATION |
|------------------------------------------------------------|
| Size | JP31/pins 1 & 2 | JP31/pins 3 & 4 | JP31/pins 5 & |
| | | | 6 |
|-------+-----------------+-----------------+----------------|
| 128KB | Open | Open | Open |
|-------+-----------------+-----------------+----------------|
| 256KB | Closed | Open | Open |
|-------+-----------------+-----------------+----------------|
| 512KB | Closed | Closed | Open |
|-------+-----------------+-----------------+----------------|
| 1MB | Closed | Closed | Closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| VIDEO MEMORY CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 |
|------------------+--------------------+--------------------|
| 1MB | (8) 256K x 4 | NONE |
|------------------+--------------------+--------------------|
| 2MB | (8) 256K x 4 | (8) 256K x 4 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU TYPE CONFIGURATION |
|------------------------------------------------------------|
| Type | JP6 |JP7 | JP8 | JP58 |JP59 &| JP61 | JP62 |
| | | | | | JP60 | | |
|-------------+------+----+------+------+------+------+------|
| 80486SX | N/A |N/A | N/A |pins 1|pins 2|pins 1| Open |
| | | | | & 2 | & 3 | & 2 | |
|-------------+------+----+------+------+------+------+------|
| CX486S |Closed|Open| Open |pins 2|pins 2|pins 2| Open |
| | | | | & 3 | & 3 | & 3 | |
|-------------+------+----+------+------+------+------+------|
| 80487SX | N/A |N/A | N/A |pins 1|pins 2|pins 1|pins 1|
| | | | | & 2 | & 3 | & 2 | & 2 |
|-------------+------+----+------+------+------+------+------|
| 80486DX | N/A |N/A | N/A |pins 1|pins 2|pins 1|pins 1|
| | | | | & 2 | & 3 | & 2 | & 2 |
|-------------+------+----+------+------+------+------+------|
| CX486DX |Closed|Open|Closed|pins 2|pins 2|pins 2|pins 2|
| | | | | & 3 | & 3 | & 3 | & 3 |
|-------------+------+----+------+------+------+------+------|
| ODP486SX | N/A |N/A | N/A |pins 1|pins 2|pins 1|pins 1|
| | | | | & 2 | & 3 | & 2 | & 2 |
|-------------+------+----+------+------+------+------+------|
| CX486S2 |Closed|Open| Open |pins 2|pins 2|pins 2| Open |
| | | | | & 3 | & 3 | & 3 | |
|-------------+------+----+------+------+------+------+------|
| 80486DX2 | N/A |N/A | N/A |pins 1|pins 2|pins 1|pins 1|
| | | | | & 2 | & 3 | & 2 | & 2 |
|-------------+------+----+------+------+------+------+------|
| CX486DX2 |Closed|Open|Closed|pins 2|pins 2|pins 2|pins 2|
| | | | | & 3 | & 3 | & 3 | & 3 |
|-------------+------+----+------+------+------+------+------|
| 80486DX4 | N/A |N/A | N/A |pins 1|pins 2|pins 1|pins 1|
| | | | | & 2 | & 3 | & 2 | & 2 |
|-------------+------+----+------+------+------+------+------|
| Pentium | N/A |N/A | N/A |pins 1|pins 1|pins 1|pins 1|
| Overdrive | | | | & 2 | & 2 | & 2 | & 2 |
|------------------------------------------------------------|
|Note:Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED CONFIGURATION |
|------------------------------------------------------------|
| Speed | JP53/pins 1 & | JP53/pins | JP53/pins | JP67 |
| | 2 | 3 & 4 | 5 & 6 | |
|---------+---------------+-----------+-----------+----------|
| 25MHz | Open | Open | Closed | Open |
|---------+---------------+-----------+-----------+----------|
| 33MHz | Closed | Closed | Closed | Open |
|---------+---------------+-----------+-----------+----------|
| 50i MHz | Open | Open | Closed | pins 2 & |
| | | | | 3 |
|---------+---------------+-----------+-----------+----------|
| 66i MHz | Closed | Closed | Closed | Open |
|---------+---------------+-----------+-----------+----------|
| 99i MHz | Closed | Closed | Closed | Open |
|------------------------------------------------------------|
| Note:Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU WRITE-BACK CONFIGURATION |
|------------------------------------------------------------|
| Type | JP74 | JP75 |
|----------------------+------------------+------------------|
| » | Other CPUs | Open | pins 2 & 3 |
| | | | closed |
|---+------------------+------------------+------------------|
| | Cyrix write-back | pins 1 & 2 | pins 2 & 3 |
| | | closed | closed |
|---+------------------+------------------+------------------|
| | Intel write-back | pins 2 & 3 | pins 2 & 3 |
| | | closed | closed |
|---+------------------+------------------+------------------|
| | No write-back | N/A | pins 1 & 2 |
| | | | closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SYSTEM MANAGEMENT MODE CPU SELECT |
|------------------------------------------------------------|
| Type | JP63 | JP65 |
|------------------+--------------------+--------------------|
| » | Other | Open | Open |
|---+--------------+--------------------+--------------------|
| | Cyrix SMM | pins 2 & 3 closed | pins 1 & 2 closed |
|---+--------------+--------------------+--------------------|
| | Intel SMM | pins 1 & 2 closed | pins 2 & 3 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| VESA WAIT STATE/BUS SPEED CONFIGURATION |
|------------------------------------------------------------|
| CPU speed | Wait states | JP36 | JP37 |
|-----------+---------------+-------------------+------------|
| <=33MHz | 0 wait states | pins 2 & 3 closed | pins 1 & 2 |
| | | | closed |
|-----------+---------------+-------------------+------------|
| >33MHz | 1 wait state | pins 1 & 2 closed | pins 2 & 3 |
| | | | closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| VESA VL-BUS VGA CONFIGURATION |
|------------------------------------------------------------|
| Refresh rates | JP72/pins 1 & 2 | JP72/pins 3 & 4 |
|--------------------+-------------------+-------------------|
| 87Hz Interlaced | Open | Open |
|--------------------+-------------------+-------------------|
| 60Hz | Closed | Closed |
| Non-interlaced | | |
|--------------------+-------------------+-------------------|
| 70Hz | Closed | Open |
| Non-interlaced | | |
|--------------------+-------------------+-------------------|
| 72Hz | Closed | Closed |
| Non-interlaced | | |
|------------------------------------------------------------|
| Note:When using the built-in VESA VL-bus VGA, pins 1 to 8 |
| should be set to match the refresh rates of the monitor |
| attached to the G486ECV-AIO. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| ECP DACK SELECT |
|------------------------------------------------------------|
| Refresh | JP26/pins 1 & 2 | JP26/pins 3 & | JP26/pins 5 |
| rates | | 4 | & 6 |
|------------+-----------------+---------------+-------------|
| » | Dack 1 | Open | Closed | Open |
|---+--------+-----------------+---------------+-------------|
| | Dack 0 | Closed | Open | Open |
|---+--------+-----------------+---------------+-------------|
| | Dack 3 | Open | Open | Closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| ECP DRQ SELECT |
|------------------------------------------------------------|
| Refresh | JP27/pins 1 & 2 | JP27/pins 3 & | JP27/pins 5 & |
| rates | | 4 | 6 |
|----------+-----------------+---------------+---------------|
| » | DRQ1 | Open | Closed | Open |
|---+------+-----------------+---------------+---------------|
| | DRQ0 | Closed | Open | Open |
|---+------+-----------------+---------------+---------------|
| | DRQ3 | Open | Open | Closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| PARALLEL PORT INTERRUPT SELECT |
|------------------------------------------------------------|
| IRQ | JP48 | JP49 |
|------------------+--------------------+--------------------|
| » | IRQ7 | pins 1 & 2 closed | pins 2 & 3 closed |
|---+--------------+--------------------+--------------------|
| | IRQ5 | pins 2 & 3 closed | pins 1 & 2 closed |
|------------------------------------------------------------|
| Note:The default for JP49 is pins 1 & 2 closed. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU FAN TYPE CONFIGURATION |
|------------------------------------------------------------|
| Fan | JP84 | JP85 | JP87 |
|-----------------------------+--------+--------+------------|
| » | 12V | Closed | Open | N/A |
|---+-------------------------+--------+--------+------------|
| | 5V | Open | Closed | pins 1 & 2 |
| | | | | closed |
|---+-------------------------+--------+--------+------------|
| | Connected to hard drive | N/A | N/A | pins 2 & 3 |
| | | | | closed |
+------------------------------------------------------------+