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# DIAMOND FLOWER, INC.
G486VPC (REV. BA0+)
Processor CX486DX2/AM486DX2/SGS486DX2/80486DX2/CX486DX4/
AM486DX4/SGS486DX4/80486DX4/ODP80486DX4/P24T/AM5X86/ CX5X86/SGS5X86
Processor 25/33/40/50(internal)/66(internal)/75(internal)/80(internal)/
Speed
100(internal)/120(internal)/133(internal)/150(internal)/166(internal)MHz
Chip Set VIA
Video Chip None
Set
Maximum 128MB
Onboard
Memory
Maximum None
Video
Memory
Cache 128/256KB
BIOS Award
Dimensions 250mm x 220mm
I/O 32-bit PCI slot, floppy drive interface, IDE interfaces (2), parallel
Options port, PS/2 mouse interface, serial ports (2)
NPU None
Options
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|-------------------+----------+------------------+----------|
| PS/2 mouse | CN1 | IDE interface 1 | J8 |
| interface | | | |
|-------------------+----------+------------------+----------|
| Turbo LED | J1 | IDE interface 2 | J9 |
|-------------------+----------+------------------+----------|
| Green PC LED | J2 | Parallel port | J10 |
|-------------------+----------+------------------+----------|
| Speaker | J3 | Floppy drive | J11 |
| | | interface | |
|-------------------+----------+------------------+----------|
| Reset switch | J4 | Serial port 1 | J12 |
|-------------------+----------+------------------+----------|
| Power LED & | J5 | Serial port 2 | J13 |
| keylock | | | |
|-------------------+----------+------------------+----------|
| IDE interface LED | J6 | 32-bit PCI slot | PC1 |
|-------------------+----------+------------------+----------|
| Turbo switch | J7 | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Label | Position |
|---------------------------------------+-------+------------|
| | On board battery disabled | JC1 | Pins 2 & 3 |
| | | | closed |
|---+-----------------------------------+-------+------------|
| | On board battery enabled | JC1 | Pins 1 & 2 |
| | | | closed |
|---+-----------------------------------+-------+------------|
| » | CMOS memory normal operation | JC2 | Pins 1 & 2 |
| | | | closed |
|---+-----------------------------------+-------+------------|
| | CMOS memory clear | JC2 | Pins 2 & 3 |
| | | | closed |
|---+-----------------------------------+-------+------------|
| » | Factory configured - do not alter | JP1 | Open |
|---+-----------------------------------+-------+------------|
| » | Factory configured - do not alter | JP11 | Pins 1 & 2 |
| | | | closed |
|---+-----------------------------------+-------+------------|
| » | Factory configured - do not alter | JP12 | Pins 1 & 2 |
| | | | closed |
|---+-----------------------------------+-------+------------|
| » | Factory configured - do not alter | JP14 | Pins 1 & 2 |
| | | | closed |
|---+-----------------------------------+-------+------------|
| » | Factory configured - do not alter | JP17 | Pins 1 & 2 |
| | | | closed |
|---+-----------------------------------+-------+------------|
| | Flash BIOS voltage select 12v | JP19 | Pins 1 & 2 |
| | | | closed |
|---+-----------------------------------+-------+------------|
| | Flash BIOS voltage select 5v | JP19 | Pins 2 & 3 |
| | | | closed |
|---+-----------------------------------+-------+------------|
| » | Factory configured - do not alter | JP24 | Open |
|---+-----------------------------------+-------+------------|
| » | Factory configured - do not alter | JP25 | Pins 1 & 2 |
| | | | closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | Bank 2 |
|------------+---------------+---------------+---------------|
| 1MB | (1) 256K x 32 | None | None |
|------------+---------------+---------------+---------------|
| 2MB | (1) 256K x 32 | (1) 256K x 32 | None |
|------------+---------------+---------------+---------------|
| 2MB | (1) 512K x 32 | None | None |
|------------+---------------+---------------+---------------|
| 3MB | (1) 256K x 32 | (1) 256K x 32 | (1) 256K x 32 |
|------------+---------------+---------------+---------------|
| 3MB | (1) 512K x 32 | None | (1) 256K x 32 |
|------------+---------------+---------------+---------------|
| 4MB | (1) 1M x 32 | None | None |
|------------+---------------+---------------+---------------|
| 4MB | (1) 512K x 32 | None | (1) 512K x 32 |
|------------+---------------+---------------+---------------|
| 5MB | (1) 1M x 32 | (1) 256K x 32 | None |
|------------+---------------+---------------+---------------|
| 6MB | (1) 1M x 32 | (1) 256K x 32 | (1) 256K x 32 |
|------------+---------------+---------------+---------------|
| 6MB | (1) 512K x 32 | None | (1) 1M x 32 |
|------------+---------------+---------------+---------------|
| 8MB | (1) 1M x 32 | (1) 1M x 32 | None |
|------------+---------------+---------------+---------------|
| 8MB | (1) 2M x 32 | None | None |
|------------+---------------+---------------+---------------|
| 9MB | (1) 1M x 32 | (1) 1M x 32 | (1) 256K x 32 |
|------------+---------------+---------------+---------------|
| 9MB | (1) 2M x 32 | None | (1) 256K x 32 |
|------------+---------------+---------------+---------------|
| 12MB | (1) 1M x 32 | (1) 1M x 32 | (1) 1M x 32 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION (CON'T) |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | Bank 2 |
|------------+---------------+---------------+---------------|
| 12MB | (1) 2M x 32 | None | (1) 1M x 32 |
|------------+---------------+---------------+---------------|
| 16MB | (1) 4M x 32 | None | None |
|------------+---------------+---------------+---------------|
| 16MB | (1) 2M x 32 | None | (1) 2M x 32 |
|------------+---------------+---------------+---------------|
| 17MB | (1) 4M x 32 | (1) 256K x 32 | None |
|------------+---------------+---------------+---------------|
| 18MB | (1) 4M x 32 | (1) 256K x 32 | (1) 256K x 32 |
|------------+---------------+---------------+---------------|
| 18MB | (1) 512K x 32 | None | (1) 4M x 32 |
|------------+---------------+---------------+---------------|
| 20MB | (1) 4M x 32 | (1) 1M x 32 | None |
|------------+---------------+---------------+---------------|
| 21MB | (1) 4M x 32 | (1) 1M x 32 | (1) 256K x 32 |
|------------+---------------+---------------+---------------|
| 24MB | (1) 4M x 32 | (1) 1M x 32 | (1) 1M x 32 |
|------------+---------------+---------------+---------------|
| 24MB | (1) 2M x 32 | None | (1) 4M x 32 |
|------------+---------------+---------------+---------------|
| 32MB | (1) 4M x 32 | (1) 4M x 32 | None |
|------------+---------------+---------------+---------------|
| 32MB | (1) 4M x 32 | None | (1) 4M x 32 |
|------------+---------------+---------------+---------------|
| 32MB | (1) 8M x 32 | None | None |
|------------+---------------+---------------+---------------|
| 33MB | (1) 4M x 32 | (1) 4M x 32 | (1) 256K x 32 |
|------------+---------------+---------------+---------------|
| 33MB | (1) 8M x 32 | None | (1) 256K x 32 |
|------------+---------------+---------------+---------------|
| 34MB | (1) 8M x 32 | None | (1) 512K x 32 |
|------------+---------------+---------------+---------------|
| 36MB | (1) 4M x 32 | (1) 4M x 32 | (1) 1M x 32 |
|------------+---------------+---------------+---------------|
| 36MB | (1) 8M x 32 | None | (1) 1M x 32 |
|------------+---------------+---------------+---------------|
| 40MB | (1) 8M x 32 | None | (1) 2M x 32 |
|------------+---------------+---------------+---------------|
| 48MB | (1) 4M x 32 | (1) 4M x 32 | (1) 4M x 32 |
|------------+---------------+---------------+---------------|
| 48MB | (1) 8M x 32 | None | (1) 4M x 32 |
|------------+---------------+---------------+---------------|
| 64MB | (1) 16M x 32 | None | None |
|------------+---------------+---------------+---------------|
| 64MB | (1) 8M x 32 | None | (1) 8M x 32 |
|------------+---------------+---------------+---------------|
| 65MB | (1) 16M x 32 | (1) 256K x 32 | None |
|------------+---------------+---------------+---------------|
| 68MB | (1) 16M x 32 | (1) 1M x 32 | None |
|------------+---------------+---------------+---------------|
| 69MB | (1) 16M x 32 | (1) 1M x 32 | (1) 256K x 32 |
|------------+---------------+---------------+---------------|
| 72MB | (1) 16M x 32 | (1) 1M x 32 | (1) 1M x 32 |
|------------+---------------+---------------+---------------|
| 72MB | (1) 2M x 32 | None | (1) 16M x 32 |
|------------+---------------+---------------+---------------|
| 80MB | (1) 16M x 32 | (1) 4M x 32 | None |
|------------+---------------+---------------+---------------|
| 81MB | (1) 16M x 32 | (1) 4M x 32 | (1) 256K x 32 |
|------------+---------------+---------------+---------------|
| 84MB | (1) 16M x 32 | (1) 4M x 32 | (1) 1M x 32 |
|------------+---------------+---------------+---------------|
| 96MB | (1) 8M x 32 | None | (1) 16M x 32 |
|------------+---------------+---------------+---------------|
| 128MB | (1) 16M x 32 | (1) 16M x 32 | None |
|------------+---------------+---------------+---------------|
| 128MB | (1) 16M x 32 | None | (1) 16M x 32 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | TAG |
|------------------+--------------------+--------------------|
| 128KB | (4) 32K x 8 | (1) 32K x 8 |
|------------------+--------------------+--------------------|
| 256KB | (4) 64K x 8 | (1) 32K x 8 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE JUMPER CONFIGURATION |
|------------------------------------------------------------|
| Size | JP6 | JP7 | JP8 |
|-------+-----------------+-----------------+----------------|
| 128KB | Pins 2 & 3 | Pins 1 & 2 | Pins 2 & 3 |
| | closed | closed | closed |
|-------+-----------------+-----------------+----------------|
| 256KB | Pins 1 & 2 | Pins 2 & 3 | Pins 1 & 2 |
| | closed | closed | closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION |
|------------------------------------------------------------|
| Speed | JP3 | JP4 | JP5 |
|---------+----------------+----------------+----------------|
| 25MHz | Pins 2 & 3 | Pins 1 & 2 | Pins 2 & 3 |
| | closed | closed | closed |
|---------+----------------+----------------+----------------|
| 33MHz | Pins 1 & 2 | Pins 2 & 3 | Pins 2 & 3 |
| | closed | closed | closed |
|---------+----------------+----------------+----------------|
| 40MHz | Pins 2 & 3 | Pins 1 & 2 | Pins 1 & 2 |
| | closed | closed | closed |
|---------+----------------+----------------+----------------|
| 50iMHz | Pins 2 & 3 | Pins 1 & 2 | Pins 2 & 3 |
| | closed | closed | closed |
|---------+----------------+----------------+----------------|
| 66iMHz | Pins 1 & 2 | Pins 2 & 3 | Pins 2 & 3 |
| | closed | closed | closed |
|---------+----------------+----------------+----------------|
| 75iMHz | Pins 2 & 3 | Pins 1 & 2 | Pins 2 & 3 |
| | closed | closed | closed |
|---------+----------------+----------------+----------------|
| 80iMHz | Pins 2 & 3 | Pins 1 & 2 | Pins 1 & 2 |
| | closed | closed | closed |
|---------+----------------+----------------+----------------|
| 100iMHz | Pins 1 & 2 | Pins 2 & 3 | Pins 2 & 3 |
| | closed | closed | closed |
|---------+----------------+----------------+----------------|
| 120iMHz | Pins 2 & 3 | Pins 1 & 2 | Pins 1 & 2 |
| | closed | closed | closed |
|---------+----------------+----------------+----------------|
| 133iMHz | Pins 1 & 2 | Pins 2 & 3 | Pins 2 & 3 |
| | closed | closed | closed |
|---------+----------------+----------------+----------------|
| 150iMHz | Pins 2 & 3 | Pins 1 & 2 | Pins 2 & 3 |
| | closed | closed | closed |
|---------+----------------+----------------+----------------|
| 166iMHz | Pins 1 & 2 | Pins 2 & 3 | Pins 2 & 3 |
| | closed | closed | closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU TYPE SELECTION |
|------------------------------------------------------------|
| Type | JRN1 | JRN2 |
|-----------------+----------------------+-------------------|
| CX486DX2 | Open | 1 & 2, 3 & 4, 5 & |
| | | 6, 7 & 8, 9 & 10 |
|-----------------+----------------------+-------------------|
| AM486DX2 NV8T | 1 & 2, 3 & 4, 5 & 6, | Open |
| | 7 & 8, 9 & 10 | |
|-----------------+----------------------+-------------------|
| AM486DX2 SV8B | 1 & 2, 3 & 4, 5 & 6, | Open |
| | 7 & 8, 9 & 10 | |
|-----------------+----------------------+-------------------|
| SGS486DX2 | Open | 1 & 2, 3 & 4, 5 & |
| | | 6, 7 & 8, 9 & 10 |
|-----------------+----------------------+-------------------|
| 80486DX2 | 1 & 2, 3 & 4, 5 & 6, | Open |
| | 7 & 8, 9 & 10 | |
|-----------------+----------------------+-------------------|
| CX486DX4 (Cyrix | Open | 1 & 2, 3 & 4, 5 & |
| pin out) | | 6, 7 & 8, 9 & 10 |
|-----------------+----------------------+-------------------|
| CX486DX4 (Intel | 1 & 2, 3 & 4, 5 & 6, | Open |
| pin out) | 7 & 8, 9 & 10 | |
|-----------------+----------------------+-------------------|
| AM486DX4 SV8B | 1 & 2, 3 & 4, 5 & 6, | Open |
| | 7 & 8, 9 & 10 | |
|-----------------+----------------------+-------------------|
| AM486DX4 NV8T | 1 & 2, 3 & 4, 5 & 6, | Open |
| | 7 & 8, 9 & 10 | |
|-----------------+----------------------+-------------------|
| SGS486DX4 | Open | 1 & 2, 3 & 4, 5 & |
| (Cyrix pin out) | | 6, 7 & 8, 9 & 10 |
|-----------------+----------------------+-------------------|
| SGS486DX4 | 1 & 2, 3 & 4, 5 & 6, | Open |
| (Intel pin out) | 7 & 8, 9 & 10 | |
|-----------------+----------------------+-------------------|
| 80486DX4 | 1 & 2, 3 & 4, 5 & 6, | Open |
| | 7 & 8, 9 & 10 | |
|-----------------+----------------------+-------------------|
| ODP80486DX4 | 1 & 2, 3 & 4, 5 & 6, | Open |
| | 7 & 8, 9 & 10 | |
|-----------------+----------------------+-------------------|
| P24T | 1 & 2, 3 & 4, 5 & 6, | Open |
| | 7 & 8, 9 & 10 | |
|-----------------+----------------------+-------------------|
| AM5X86 | 1 & 2, 3 & 4, 5 & 6, | Open |
| | 7 & 8, 9 & 10 | |
|-----------------+----------------------+-------------------|
| CX5X86 | 1 & 2, 3 & 4, 5 & 6, | Open |
| | 7 & 8, 9 & 10 | |
|-----------------+----------------------+-------------------|
| SGS5X86 | 1 & 2, 3 & 4, 5 & 6, | Open |
| | 7 & 8, 9 & 10 | |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU TYPE SELECTION (CON'T) |
|------------------------------------------------------------|
| Type | JP16 | JP18 | JP20 | JP22 | JP23 |
|------------------+--------+--------+-------+-------+-------|
| CX486DX2 | Open | Open | 1 & 2 | 1 & 2 | 1 & 2 |
|------------------+--------+--------+-------+-------+-------|
| AM486DX2 NV8T | Open | Closed | 1 & 2 | 1 & 2 | 2 & 3 |
|------------------+--------+--------+-------+-------+-------|
| AM486DX2 SV8B | Closed | Open | 1 & 2 | 1 & 2 | 2 & 3 |
|------------------+--------+--------+-------+-------+-------|
| SGS486DX2 | Open | Open | 1 & 2 | 1 & 2 | 1 & 2 |
|------------------+--------+--------+-------+-------+-------|
| 80486DX2 | Open | Open | 1 & 2 | 1 & 2 | Open |
|------------------+--------+--------+-------+-------+-------|
| CX486DX4 (Cyrix | Open | Open | 1 & 2 | 1 & 2 | 1 & 2 |
| pin out) | | | | | |
|------------------+--------+--------+-------+-------+-------|
| CX486DX4 (Intel | Open | Open | 1 & 2 | 1 & 2 | 1 & 2 |
| pin out) | | | | | |
|------------------+--------+--------+-------+-------+-------|
| AM486DX4 SV8B | Open | Open | 1 & 2 | 1 & 2 | 2 & 3 |
|------------------+--------+--------+-------+-------+-------|
| AM486DX4 NV8T | Open | Open | 1 & 2 | 1 & 2 | 2 & 3 |
|------------------+--------+--------+-------+-------+-------|
| SGS486DX4 (Cyrix | Open | Open | 1 & 2 | 1 & 2 | 1 & 2 |
| pin out) | | | | | |
|------------------+--------+--------+-------+-------+-------|
| SGS486DX4 (Intel | Open | Open | 1 & 2 | 1 & 2 | 1 & 2 |
| pin out) | | | | | |
|------------------+--------+--------+-------+-------+-------|
| 80486DX4 | Open | Open | 1 & 2 | 1 & 2 | 2 & 3 |
|------------------+--------+--------+-------+-------+-------|
| ODP80486DX4 | Open | Open | 1 & 2 | 2 & 3 | 2 & 3 |
|------------------+--------+--------+-------+-------+-------|
| P24T | Open | Open | 1 & 2 | 2 & 3 | 2 & 3 |
|------------------+--------+--------+-------+-------+-------|
| AM5X86 | Closed | Open | 1 & 2 | 1 & 2 | 2 & 3 |
|------------------+--------+--------+-------+-------+-------|
| CX5X86 | Open | Open | 1 & 2 | 1 & 2 | 1 & 2 |
|------------------+--------+--------+-------+-------+-------|
| SGS5X86 | Open | Open | 1 & 2 | 1 & 2 | 1 & 2 |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU VOLTAGE SELECTION |
|------------------------------------------------------------|
| Voltage | JP9 | JP10 | JP15 |
|---------+----------------+----------------+----------------|
| 3.45v | Pins 2 & 3 | Pins 1 & 2 | Pins 2 & 3 |
| | closed | closed | closed |
|---------+----------------+----------------+----------------|
| 3.6v | Pins 2 & 3 | Pins 3 & 4 | Pins 2 & 3 |
| | closed | closed | closed |
|---------+----------------+----------------+----------------|
| 4v | Pins 2 & 3 | Pins 5 & 6 | Pins 2 & 3 |
| | closed | closed | closed |
|---------+----------------+----------------+----------------|
| 5v | Pins 1 & 2 | Pins 1 & 2 | Pins 1 & 2 |
| | closed | closed | closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| PCI SPEED SELECTION |
|------------------------------------------------------------|
| Speed | JP13 | JP21 |
|------------------+--------------------+--------------------|
| » | < = 33MHz | Pins 1 & 2 closed | Pins 1 & 2 closed |
|---+--------------+--------------------+--------------------|
| | = 40MHz | Pins 2 & 3 closed | Pins 2 & 3 closed |
+------------------------------------------------------------+