(TXT) View Source
# DIAMOND FLOWER, INC.
G486VPB (Rev. 0+)
Device Mainboard
Type
Processor 80486SX/80486DX/CX486DX/80486DX2/CX486DX2/
AM486DX2(SV8B)/AM486DX2(NV8T)/ST486DX2/80486DX4/
80486DX4OverDrive/CX486DX4/AM486DX4(SV8B)/AM486DX4(NV8T)/AM5X86/AM5X86-P75/CX5X86/P24T
Processor 25/33/40/50/63(internal)/66(internal)/80(internal)/83(internal)/
Speed
100(internal)/120(internal)/133(internal)MHz
Chip Set VIA
Maximum 128MB DRAM (EDO supported)
Onboard
Memory
Cache 128/256/512KB
BIOS Award
I/O 32-bit PCI slots (4), floppy drive interface, IDE interface (2), parallel port, serial
Options ports (2), PS/2 mouse connector, green PC connector
Dimensions 220mm x 220mm
(IMG) IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|------------------+----------+-------------------+----------|
| Serial port 1 | J1 | Keylock | J10 |
|------------------+----------+-------------------+----------|
| Serial port 2 | J2 | Speaker | J11 |
|------------------+----------+-------------------+----------|
| External battery | J3 | Reset switch | J12 |
| connector | | | |
|------------------+----------+-------------------+----------|
| Floppy drive | J4 | Turbo/green PC | J13 |
| interface | | connector | |
|------------------+----------+-------------------+----------|
| Parallel port | J5 | Turbo LED | J14 |
|------------------+----------+-------------------+----------|
| IDE interface 2 | J6 | Green PC LED | J15 |
|------------------+----------+-------------------+----------|
| IDE interface 1 | J7 | 32-bit PCI slots | PCI1-4 |
|------------------+----------+-------------------+----------|
| IDE interface 2 | J8 | PS/2 mouse | CN3 |
| LED | | connector | |
|------------------+----------+-------------------+----------|
| IDE interface 1 | J9 | | |
| LED | | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Label | Position |
|---------------------------------------+-------+------------|
| » | Battery type select external | JP3 | Pins 1 & 2 |
| | | | closed |
|---+-----------------------------------+-------+------------|
| | Battery type select internal | JP3 | Pins 2 & 3 |
| | | | closed |
|---+-----------------------------------+-------+------------|
| » | 12V flash EPROM 28F010 | JP5 | Pins 1 & 2 |
| | | | closed |
|---+-----------------------------------+-------+------------|
| | 5V flash EPROM 29F010 or EPROM | JP5 | Pins 2 & 3 |
| | 27C010 | | closed |
|---+-----------------------------------+-------+------------|
| » | CMOS memory normal operation | JP22 | Pins 1 & 2 |
| | | | closed |
|---+-----------------------------------+-------+------------|
| | CMOS memory clear | JP22 | Pins 2 & 3 |
| | | | closed |
|---+-----------------------------------+-------+------------|
| » | Factory configured - do not alter | SW1/1 | Pins 2 & 3 |
| | | | closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 |
|--------------+----------------------+----------------------|
| 1MB | (1) 256K x 36 | None |
|--------------+----------------------+----------------------|
| 2MB | (1) 256K x 36 | (1) 256K x 36 |
|--------------+----------------------+----------------------|
| 2MB | (1) 512K x 36 | None |
|--------------+----------------------+----------------------|
| 3MB | (1) 512K x 36 | (1) 256K x 36 |
|--------------+----------------------+----------------------|
| 4MB | (1) 512K x 36 | (1) 512K x 36 |
|--------------+----------------------+----------------------|
| 4MB | (1) 1M x 36 | None |
|--------------+----------------------+----------------------|
| 5MB | (1) 1 M x 36 | (1) 256K x 36 |
|--------------+----------------------+----------------------|
| 6MB | (1) 1M x 36 | (1) 512K x 36 |
|--------------+----------------------+----------------------|
| 8MB | (1) 1M x 36 | (1) 1M x 36 |
|--------------+----------------------+----------------------|
| 8MB | (1) 2M x 36 | None |
|--------------+----------------------+----------------------|
| 9MB | (1) 2M x 36 | (1) 256K x 36 |
|--------------+----------------------+----------------------|
| 10MB | (1) 2M x 36 | (1) 512K x 36 |
|--------------+----------------------+----------------------|
| 12MB | (1) 2M x 36 | (1) 1M x 36 |
|--------------+----------------------+----------------------|
| 16MB | (1) 2M x 36 | (1) 2M x 36 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION (CONT.) |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 |
|---------------+---------------------+----------------------|
| 16MB | (1) 4M x 36 | None |
|---------------+---------------------+----------------------|
| 17MB | (1) 4M x 36 | (1) 256K x 36 |
|---------------+---------------------+----------------------|
| 18MB | (1) 4M x 36 | (1) 512K x 36 |
|---------------+---------------------+----------------------|
| 20MB | (1) 4M x 36 | (1) 1M x 36 |
|---------------+---------------------+----------------------|
| 24MB | (1) 4M x 36 | (1) 2M x 36 |
|---------------+---------------------+----------------------|
| 32MB | (1) 4M x 36 | (1) 4M x 36 |
|---------------+---------------------+----------------------|
| 32MB | (1) 8M x 36 | None |
|---------------+---------------------+----------------------|
| 33MB | (1) 8M x 36 | (1) 256K x 36 |
|---------------+---------------------+----------------------|
| 34MB | (1) 8M x 36 | (1) 512K x 36 |
|---------------+---------------------+----------------------|
| 36MB | (1) 8M x 36 | (1) 1M x 36 |
|---------------+---------------------+----------------------|
| 40MB | (1) 8M x 36 | (1) 2M x 36 |
|---------------+---------------------+----------------------|
| 48MB | (1) 8M x 36 | (1) 4M x 36 |
|---------------+---------------------+----------------------|
| 64MB | (1) 8M x 36 | (1) 8M x 36 |
|---------------+---------------------+----------------------|
| 64MB | (1) 16M x 36 | None |
|---------------+---------------------+----------------------|
| 65MB | (1) 16M x 36 | (1) 256K x 36 |
|---------------+---------------------+----------------------|
| 66MB | (1) 16M x 36 | (1) 512K x 36 |
|---------------+---------------------+----------------------|
| 68MB | (1) 16M x 36 | (1) 1M x 36 |
|---------------+---------------------+----------------------|
| 72MB | (1) 16M x 36 | (1) 2M x 36 |
|---------------+---------------------+----------------------|
| 80MB | (1) 16M x 36 | (1) 4M x 36 |
|---------------+---------------------+----------------------|
| 96MB | (1) 16M x 36 | (1) 8M x 36 |
|---------------+---------------------+----------------------|
| 128MB | (1) 16M x 36 | (1) 16M x 36 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | TAG |
|------------------+--------------------+--------------------|
| 128KB | (4) 32K x 8 | (1) 16K x 8 |
|------------------+--------------------+--------------------|
| 256KB | (4) 64K x 8 | (1) 32K x 8 |
|------------------+--------------------+--------------------|
| 512KB | (4) 128K x 8 | (1) 32K x 8 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE JUMPER CONFIGURATION |
|------------------------------------------------------------|
| Size | J10 | J11 | J12 | J13 | J14 |
|----------+---------+---------+---------+---------+---------|
| 128KB | 2 & 3 | 1 & 2 | 1 & 2 | 1 & 2 | 1 & 2 |
|----------+---------+---------+---------+---------+---------|
| 256KB | 1 & 2 | 2 & 3 | 1 & 2 | 2 & 3 | 1 & 2 |
|----------+---------+---------+---------+---------+---------|
| 512KB | 1 & 2 | 1 & 2 | 2 & 3 | 2 & 3 | 2 & 3 |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU EXTERNAL CLOCK SPEED SELECTION |
|------------------------------------------------------------|
| Speed | JP15 | JP17 | JP19 |
|---------+----------------+----------------+----------------|
| 25MHz | Pins 2 & 3 | Pins 1 & 2 | Pins 2 & 3 |
| | closed | closed | closed |
|---------+----------------+----------------+----------------|
| 33MHz | Pins 2 & 3 | Pins 2 & 3 | Pins 1 & 2 |
| | closed | closed | closed |
|---------+----------------+----------------+----------------|
| 40MHz | Pins 1 & 2 | Pins 1 & 2 | Pins 2 & 3 |
| | closed | closed | closed |
|---------+----------------+----------------+----------------|
| 50MHz | Pins 1 & 2 | Pins 2 & 3 | Pins 1 & 2 |
| | closed | closed | closed |
|---------+----------------+----------------+----------------|
| 50iMHz | Pins 2 & 3 | Pins 1 & 2 | Pins 2 & 3 |
| | closed | closed | closed |
|---------+----------------+----------------+----------------|
| 63iMHz | Pins 2 & 3 | Pins 1 & 2 | Pins 2 & 3 |
| | closed | closed | closed |
|---------+----------------+----------------+----------------|
| 66iMHz | Pins 2 & 3 | Pins 2 & 3 | Pins 1 & 2 |
| | closed | closed | closed |
|---------+----------------+----------------+----------------|
| 80iMHz | Pins 1 & 2 | Pins 1 & 2 | Pins 2 & 3 |
| | closed | closed | closed |
|---------+----------------+----------------+----------------|
| 83iMHz | Pins 2 & 3 | Pins 2 & 3 | Pins 1 & 2 |
| | closed | closed | closed |
|---------+----------------+----------------+----------------|
| 100iMHz | Pins 2 & 3 | Pins 2 & 3 | Pins 1 & 2 |
| | closed | closed | closed |
|---------+----------------+----------------+----------------|
| 120iMHz | Pins 1 & 2 | Pins 1 & 2 | Pins 2 & 3 |
| | closed | closed | closed |
|---------+----------------+----------------+----------------|
| 133iMHz | Pins 2 & 3 | Pins 2 & 3 | Pins 1 & 2 |
| | closed | closed | closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU TYPE SELECTION |
|------------------------------------------------------------|
| Type | JP6 | JP18 | JP20 | JP25 | JP26 | JP27 |
|-------------------+-----+------+------+------+------+------|
| 80486SX | 2 & | Open | Open | Open | 2 & | 2 & |
| | 3 | | | | 3 | 3 |
|-------------------+-----+------+------+------+------+------|
| 80486DX/DX2 | 2 & | Open | Open | 1 & | 1 & | 1 & |
| | 3 | | | 2 | 2 | 2 |
|-------------------+-----+------+------+------+------+------|
| 80486DX4 | 2 | 2 & | Open | 1 & | 1 & | 1 & |
| | &3 | 3 | | 2 | 2 | 2 |
|-------------------+-----+------+------+------+------+------|
| 80486DX4OverDrive | 2 & | 2 & | Open | 2 & | 1 & | 1 & |
| | 3 | 3 | | 3 | 2 | 2 |
|-------------------+-----+------+------+------+------+------|
| Pentium OverDrive | 2 & | 2 & | Open | 2 & | 1 & | 1 & |
| | 3 | 3 | | 3 | 2 | 2 |
|-------------------+-----+------+------+------+------+------|
| AM486DX2 SV8B | 2 & | 2 & | Open | 1 & | 1 & | 1 & |
| | 3 | 3 | | 2 | 2 | 2 |
|-------------------+-----+------+------+------+------+------|
| AM486DX2 NV8T | 2 & | 2 & | Open | 1 & | 1 & | 1 & |
| | 3 | 3 | | 2 | 2 | 2 |
|-------------------+-----+------+------+------+------+------|
| AM486DX4 SV8B | 2 & | 2 & | Open | 1 & | 1 & | 1 & |
| | 3 | 3 | | 2 | 2 | 2 |
|-------------------+-----+------+------+------+------+------|
| AM486DX4 NV8T | 2 & | 2 & | Open | 1 & | 1 & | 1 & |
| | 3 | 3 | | 2 | 2 | 2 |
|-------------------+-----+------+------+------+------+------|
| CX486DX | 2 & | 1 & | Open | 1 & | 1 & | 1 & |
| | 3 | 2 | | 2 | 2 | 2 |
|-------------------+-----+------+------+------+------+------|
| CX486DX2 | 2 & | 1 & | Open | 1 & | 1 & | 1 & |
| | 3 | 2 | | 2 | 2 | 2 |
|-------------------+-----+------+------+------+------+------|
| CX486DX4 | 2 & | 1 & | Open | 1 & | 1 & | 1 & |
| | 3 | 2 | | 2 | 2 | 2 |
|-------------------+-----+------+------+------+------+------|
| ST486DX2 | 2 & | 1 & | Open | 1 & | 1 & | 1 & |
| | 3 | 2 | | 2 | 2 | 2 |
|-------------------+-----+------+------+------+------+------|
| AM5x86-P75 | 2 & | 2 & | Open | 1 & | 1 & | 1 & |
| | 3 | 3 | | 2 | 2 | 2 |
|-------------------+-----+------+------+------+------+------|
| CX5x86 | 2 & | 1 & | Open | 1 & | 1 & | 1 & |
| | 3 | 2 | | 2 | 2 | 2 |
|------------------------------------------------------------|
| Note: Numbers designate pins that should be in the closed |
| position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU TYPE SELECTION (CON’TW) |
|------------------------------------------------------------|
| Type | JP28 | JP29 | JRN1 | JRN2 | JRN3 |
|-----------------+--------+--------+--------+--------+------|
| 80486SX | Open | Open | Open | Closed | Open |
|-----------------+--------+--------+--------+--------+------|
| 80486DX/DX2 | Open | Open | Open | Closed | Open |
|-----------------+--------+--------+--------+--------+------|
| 80486DX4 | Open | Open | Open | Closed | Open |
|-----------------+--------+--------+--------+--------+------|
|80486DX4OverDrive| Open | Open | Open | Closed | Open |
|-----------------+--------+--------+--------+--------+------|
|Pentium OverDrive| Open | Open | Open | Closed | Open |
|-----------------+--------+--------+--------+--------+------|
| AM486DX2 SV8B | Closed | Open | Open | Closed | Open |
|-----------------+--------+--------+--------+--------+------|
| AM486DX2 NV8T | Open | Closed | Open | Closed | Open |
|-----------------+--------+--------+--------+--------+------|
| AM486DX4 SV8B | Open | Open | Open | Closed | Open |
|-----------------+--------+--------+--------+--------+------|
| AM486DX4 NV8T | Open | Open | Open | Closed | Open |
|-----------------+--------+--------+--------+--------+------|
| CX486DX | Open | Open | Closed | Open | Open |
|-----------------+--------+--------+--------+--------+------|
| CX486DX2 | Open | Open | Closed | Open | Open |
|-----------------+--------+--------+--------+--------+------|
| CX486DX4 | Open | Open | Closed | Open | Open |
|-----------------+--------+--------+--------+--------+------|
| ST486DX2 | Open | Open | Closed | Open | Open |
|-----------------+--------+--------+--------+--------+------|
| AM5x86-P75 | Closed | Open | Open | Closed | Open |
|-----------------+--------+--------+--------+--------+------|
| CX5x86 | Open | Open | Open | Closed | Open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU VOLTAGE SELECTION |
|------------------------------------------------------------|
| Voltage | JP21 | JP23 | JP24 |
|---------+----------------+----------------+----------------|
| 3.45v | Pins 1 & 2 | Pins 2 & 3 | Pins 2 & 3 |
| | closed | closed | closed |
|---------+----------------+----------------+----------------|
| 3.6v | Pins 3 & 4 | Pins 2 & 3 | Pins 2 & 3 |
| | closed | closed | closed |
|---------+----------------+----------------+----------------|
| 4v | Pins 5 & 6 | Pins 2 & 3 | Pins 2 & 3 |
| | closed | closed | closed |
|---------+----------------+----------------+----------------|
| 5v | Open | Pins 1 & 2 | Pins 1 & 2 |
| | | closed | closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| VL BUS SPEED SELECTION |
|------------------------------------------------------------|
| Speed | JP4 | JP8 |
|----------------+---------------------+---------------------|
| » | <= 33MHz | Pins 1 & 2 closed | Pins 1 & 2 closed |
|---+------------+---------------------+---------------------|
| | >33 MHz | Pins 2 & 3 closed | Pins 2 & 3 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DMA CHANNEL SELECTION |
|------------------------------------------------------------|
| Channel | JP1 | JP1 |
|------------------+--------------------+--------------------|
| None | Open | Open |
|------------------+--------------------+--------------------|
| 1 | Pins 1 & 3 closed | Pins 2 & 4 closed |
|------------------+--------------------+--------------------|
| 3 | Pins 3 & 5 closed | Pins 4 & 6 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| PS/2 MOUSE SELECTION |
|------------------------------------------------------------|
| Setting | JP2 | JP31 |
|----------------------+--------------------+----------------|
| » | Disabled | Pins 2 & 3 closed | Closed |
|---+------------------+--------------------+----------------|
| | Enabled | Pins 1 & 2 closed | Open |
+------------------------------------------------------------+