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# VISION TECHNOLOGIES
VLR 486
Processor CX486M6/80486SX/TI486SXL/TI486SXL2/80487SX/CX486M7/80486DX/
AM486DXL/486DX2/80486DX4/Pentium Overdrive
Processor 25/33/40/50(internal)/50/66(internal)/66/75(internal)/80(internal)/
Speed 100(internal)MHz
Chip Set ALI
Max. 128MB
Onboard
DRAM
Cache 32/64/128/256/512KB
BIOS Award
Dimensions 330mm x 218mm
I/O 32-bit VESA local bus slots (3)
Options
NPU None
Options
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|---------------+----------+----------------------+----------|
| Reset switch | J1 | Turbo LED | J4 |
|---------------+----------+----------------------+----------|
| Power LED & | J2 | Turbo switch | J5 |
| keylock | | | |
|---------------+----------+----------------------+----------|
| Speaker | J3 | 32-bit VESA local | SL1 - |
| | | bus slots | SL3 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Jumper | Position |
|--------------------------------------+--------+------------|
| | Battery type select internal | J6 | pins 2 & 3 |
| | | | closed |
|---+----------------------------------+--------+------------|
| | Battery type select external | J6 | Closed |
|---+----------------------------------+--------+------------|
| | CMOS memory clear | J6 | pins 1 & 2 |
| | | | closed |
|---+----------------------------------+--------+------------|
| | Factory configured - do not | JP4 | N/A |
| | alter | | |
|---+----------------------------------+--------+------------|
| | Factory configured - do not | JP11 | pins 1 & 2 |
| | alter | | closed |
|---+----------------------------------+--------+------------|
| | Cache type select write through | JP16 | Open |
|---+----------------------------------+--------+------------|
| | Cache type select write back | JP16 | Closed |
|---+----------------------------------+--------+------------|
| | Factory configured - do not | JP18 | N/A |
| | alter | | |
|---+----------------------------------+--------+------------|
| | CPU type select Intel S series | JP19 | Closed |
| | CPU | | |
|---+----------------------------------+--------+------------|
| | CPU type select 5v general CPU | JP19 | Open |
|---+----------------------------------+--------+------------|
| | Factory configured - do not | JP22 | pins 2 & 3 |
| | alter | | closed |
|---+----------------------------------+--------+------------|
| | Factory configured - do not | JP29 | pins 2 & 3 |
| | alter | | closed |
|---+----------------------------------+--------+------------|
| | External power select standby | JP32 | pins 1 & 3 |
| | mode | | closed |
|---+----------------------------------+--------+------------|
| | External power select suspend | JP32 | pins 5 & 7 |
| | mode | | closed |
|---+----------------------------------+--------+------------|
| | Factory configured - do not | JP34 | Closed |
| | alter | | |
|---+----------------------------------+--------+------------|
| | Factory configured - do not | JP35 | Closed |
| | alter | | |
|---+----------------------------------+--------+------------|
| | Monitor type select color | JP39 | Closed |
|---+----------------------------------+--------+------------|
| | Monitor type select monochrome | JP39 | Open |
|---+----------------------------------+--------+------------|
| | Battery type select lithIum | JP42 | pins 2 & 3 |
| | | | closed |
|---+----------------------------------+--------+------------|
| | Battery type select NI-CD | JP42 | pins 1 & 2 |
| | | | closed |
|------------------------------------------------------------|
| Note: The locations of JP29, JP34, and JP35 are |
| unidentified. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 0/1 | Bank 1 |
|------------+---------------+---------------+---------------|
| 1MB | (4) 256K x 9 | NONE | NONE |
|------------+---------------+---------------+---------------|
| 1MB | NONE | (1) 256K x 36 | NONE |
|------------+---------------+---------------+---------------|
| 1MB | NONE | NONE | (1) 256K x 36 |
|------------+---------------+---------------+---------------|
| 2MB | (4) 256K x 9 | (1) 256K x 36 | NONE |
|------------+---------------+---------------+---------------|
| 2MB | (4) 256K x 9 | NONE | (1) 256K x 36 |
|------------+---------------+---------------+---------------|
| 2MB | NONE | (1) 256K x 36 | (1) 256K x 36 |
|------------+---------------+---------------+---------------|
| 3MB | (4) 256K x 9 | (1) 256K x 36 | (1) 256K x 36 |
|------------+---------------+---------------+---------------|
| 4MB | (4) 1M x 9 | NONE | NONE |
|------------+---------------+---------------+---------------|
| 4MB | NONE | (1) 1M x 36 | NONE |
|------------+---------------+---------------+---------------|
| 4MB | NONE | NONE | (1) 1M x 36 |
|------------+---------------+---------------+---------------|
| 6MB | (4) 256K x 9 | (1) 1M x 36 | (1) 256K x 36 |
|------------+---------------+---------------+---------------|
| 6MB | (4) 256K x 9 | (1) 256K x 36 | (1) 1M x 36 |
|------------+---------------+---------------+---------------|
| 6MB | (4) 1M x 9 | (1) 256K x 36 | (1) 256K x 36 |
|------------+---------------+---------------+---------------|
| 8MB | (4) 1M x 9 | (1) 1M x 36 | NONE |
|------------+---------------+---------------+---------------|
| 8MB | (4) 1M x 9 | NONE | (1) 1M x 36 |
|------------+---------------+---------------+---------------|
| 8MB | NONE | (1) 1M x 36 | (1) 1M x 36 |
|------------+---------------+---------------+---------------|
| 9MB | (4) 256K x 9 | (1) 1M x 36 | (1) 1M x 36 |
|------------+---------------+---------------+---------------|
| 9MB | (4) 1M x 9 | (1) 1M x 36 | (1) 256K x 36 |
|------------+---------------+---------------+---------------|
| 9MB | (4) 1M x 9 | (1) 256K x 36 | (1) 1M x 36 |
|------------+---------------+---------------+---------------|
| 16MB | (4) 4M x 9 | NONE | NONE |
|------------+---------------+---------------+---------------|
| 16MB | NONE | (1) 4M x 36 | NONE |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION (CON’T) |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 0/1 | Bank 1 |
|------------+---------------+---------------+---------------|
| 16MB | NONE | NONE | (1) 4M x 36 |
|------------+---------------+---------------+---------------|
| 16MB | (4) 1M x 9 | (1) 1M x 36 | (1) 1M x 36 |
|------------+---------------+---------------+---------------|
| 18MB | (4) 256K x 9 | (1) 4M x 36 | (1) 256K x 36 |
|------------+---------------+---------------+---------------|
| 18MB | (4) 256K x 9 | (1) 256K x 36 | (1) 4M x 36 |
|------------+---------------+---------------+---------------|
| 18MB | (4) 4M x 9 | (1) 256K x 36 | (1) 256K x 36 |
|------------+---------------+---------------+---------------|
| 21MB | (4) 256K x 9 | (1) 4M x 36 | (1) 1M x 36 |
|------------+---------------+---------------+---------------|
| 21MB | (4) 256K x 9 | (1) 1M x 36 | (1) 4M x 36 |
|------------+---------------+---------------+---------------|
| 21MB | (4) 1M x 9 | (1) 4M x 36 | (1) 256K x 36 |
|------------+---------------+---------------+---------------|
| 21MB | (4) 1M x 9 | (1) 256K x 36 | (1) 4M x 36 |
|------------+---------------+---------------+---------------|
| 21MB | (4) 4M x 9 | (1) 1M x 36 | (1) 256K x 36 |
|------------+---------------+---------------+---------------|
| 21MB | (4) 4M x 9 | (1) 256K x 36 | (1) 1M x 36 |
|------------+---------------+---------------+---------------|
| 24MB | (4) 1M x 9 | (1) 4M x 36 | (1) 1M x 36 |
|------------+---------------+---------------+---------------|
| 24MB | (4) 1M x 9 | (1) 1M x 36 | (1) 4M x 36 |
|------------+---------------+---------------+---------------|
| 24MB | (4) 4M x 9 | (1) 1M x 36 | (1) 1M x 36 |
|------------+---------------+---------------+---------------|
| 32MB | (4) 4M x 9 | (1) 4M x 36 | NONE |
|------------+---------------+---------------+---------------|
| 32MB | (4) 4M x 9 | NONE | (1) 4M x 36 |
|------------+---------------+---------------+---------------|
| 32MB | NONE | (1) 4M x 36 | (1) 4M x 36 |
|------------+---------------+---------------+---------------|
| 33MB | (4) 256K x 9 | (1) 4M x 36 | (1) 4M x 36 |
|------------+---------------+---------------+---------------|
| 33MB | (4) 4M x 9 | (1) 4M x 36 | (1) 256K x 36 |
|------------+---------------+---------------+---------------|
| 33MB | (4) 4M x 9 | (1) 256K x 36 | (1) 4M x 36 |
|------------+---------------+---------------+---------------|
| 36MB | (4) 1M x 9 | (1) 4M x 36 | (1) 4M x 36 |
|------------+---------------+---------------+---------------|
| 36MB | (4) 4M x 9 | (1) 4M x 36 | (1) 1M x 36 |
|------------+---------------+---------------+---------------|
| 36MB | (4) 4M x 9 | (1) 1M x 36 | (1) 4M x 36 |
|------------+---------------+---------------+---------------|
| 48MB | (4) 4M x 9 | (1) 4M x 36 | (1) 4M x 36 |
|------------+---------------+---------------+---------------|
| 64MB | (4) 16M x 9 | NONE | NONE |
|------------+---------------+---------------+---------------|
| 64MB | NONE | (1) 16M x 36 | NONE |
|------------+---------------+---------------+---------------|
| 64MB | NONE | NONE | (1) 16M x 36 |
|------------+---------------+---------------+---------------|
| 66MB | (4) 256K x 9 | (1) 16M x 36 | (1) 256K x 36 |
|------------+---------------+---------------+---------------|
| 66MB | (4) 256K x 9 | (1) 256K x 36 | (1) 16M x 36 |
|------------+---------------+---------------+---------------|
| 66MB | (4) 16M x 9 | (1) 256K x 36 | (1) 256K x 36 |
|------------+---------------+---------------+---------------|
| 69MB | (4) 256K x 9 | (1) 1M x 36 | (1) 16M x 36 |
|------------+---------------+---------------+---------------|
| 69MB | (4) 256K x 9 | (1) 16M x 36 | (1) 1M x 36 |
|------------+---------------+---------------+---------------|
| 69MB | (4) 1M x 9 | (1) 16M x 36 | (1) 256K x 36 |
|------------+---------------+---------------+---------------|
| 69MB | (4) 1M x 9 | (1) 256K x 36 | (1) 16M x 36 |
|------------+---------------+---------------+---------------|
| 69MB | (4) 16M x 9 | (1) 1M x 36 | (1) 256K x 36 |
|------------+---------------+---------------+---------------|
| 69MB | (4) 16M x 9 | (1) 256K x 36 | (1) 1M x 36 |
|------------+---------------+---------------+---------------|
| 72MB | (4) 1M x 9 | (1) 16M x 36 | (1) 1M x 36 |
|------------+---------------+---------------+---------------|
| 72MB | (4) 1M x 9 | (1) 1M x 36 | (1) 16M x 36 |
|------------+---------------+---------------+---------------|
| 72MB | (4) 16M x 9 | (1) 1M x 36 | (1) 1M x 36 |
|------------+---------------+---------------+---------------|
| 81MB | (4) 256K x 9 | (1) 16M x 36 | (1) 4M x 36 |
|------------+---------------+---------------+---------------|
| 81MB | (4) 256K x 9 | (1) 4M x 36 | (1) 16M x 36 |
|------------+---------------+---------------+---------------|
| 81MB | (4) 4M x 9 | (1) 16M x 36 | (1) 256K x 36 |
|------------+---------------+---------------+---------------|
| 81MB | (4) 4M x 9 | (1) 256K x 36 | (1) 16M x 36 |
|------------+---------------+---------------+---------------|
| 81MB | (4) 16M x 9 | (1) 4M x 36 | (1) 256K x 36 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION (CON’T) |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 0/1 | Bank 1 |
|------------+---------------+---------------+---------------|
| 81MB | (4) 16M x 9 | (1) 256K x 36 | (1) 4M x 36 |
|------------+---------------+---------------+---------------|
| 84MB | (4) 1M x 9 | (1) 16M x 36 | (1) 4M x 36 |
|------------+---------------+---------------+---------------|
| 84MB | (4) 1M x 9 | (1) 4M x 36 | (1) 16M x 36 |
|------------+---------------+---------------+---------------|
| 84MB | (4) 4M x 9 | (1) 1M x 36 | (1) 16M x 36 |
|------------+---------------+---------------+---------------|
| 84MB | (4) 16M x 9 | (1) 4M x 36 | (1) 1M x 36 |
|------------+---------------+---------------+---------------|
| 84MB | (4) 16M x 9 | (1) 1M x 36 | (1) 4M x 36 |
|------------+---------------+---------------+---------------|
| 96MB | (4) 4M x 9 | (1) 16M x 36 | (1) 4M x 36 |
|------------+---------------+---------------+---------------|
| 96MB | (4) 4M x 9 | (1) 4M x 36 | (1) 16M x 36 |
|------------+---------------+---------------+---------------|
| 96MB | (4) 16M x 9 | (1) 4M x 36 | (1) 4M x 36 |
|------------+---------------+---------------+---------------|
| 128MB | (4) 16M x 9 | (1) 16M x 36 | NONE |
|------------+---------------+---------------+---------------|
| 128MB | (4) 16M x 9 | NONE | (1) 16M x 36 |
|------------+---------------+---------------+---------------|
| 128MB | NONE | (1) 16M x 36 | (1) 16M x 36 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | TAG |
|------------+---------------+---------------+---------------|
| 32KB | (4) 8K x 8 | NONE | (1) 8K x 8 |
|------------+---------------+---------------+---------------|
| 64KB | (4) 16K x 8 | NONE | (1) 8K x 8 |
|------------+---------------+---------------+---------------|
| 64KB | (4) 8K x 8 | (4) 8K x 8 | (1) 8K x 8 |
|------------+---------------+---------------+---------------|
| 128KB | (4) 32K x 8 | NONE | (1) 8K x 8 |
|------------+---------------+---------------+---------------|
| 256KB | (4) 64K x 8 | NONE | (1) 16K x 8 |
|------------+---------------+---------------+---------------|
| 256KB | (4) 32K x 8 | (4) 32K x 8 | (1) 16K x 8 |
|------------+---------------+---------------+---------------|
| 512KB | (4) 128K x 8 | NONE | (1) 32K x 8 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE JUMPER CONFIGURATION |
|------------------------------------------------------------|
| Size | JP23 | JP30 |
|-------+---------------------------+------------------------|
| 32KB | pins 6 & 7 closed | Open |
|-------+---------------------------+------------------------|
| 64KB | pins 4 & 5, 6 & 7 closed | pins 1 & 2 closed |
|-------+---------------------------+------------------------|
| 64KB | pins 5 & 6 closed | pins 1 & 2 closed |
|-------+---------------------------+------------------------|
| 128KB | pins 2 & 3, 4 & 5, 6 & 7 | pins 1 & 2, 3 & 4 |
| | closed | closed |
|-------+---------------------------+------------------------|
| 256KB | pins 2 & 3, 4 & 5, 6 & 7 | pins 1 & 2, 3 & 4 |
| | closed | closed |
|-------+---------------------------+------------------------|
| 256KB | pins 1 & 2, 3 & 4, 5 & 6 | pins 1 & 2, 3 & 4 |
| | closed | closed |
|-------+---------------------------+------------------------|
| 512KB | pins 2 & 3, 4 & 5, 6 & 7 | pins 1 & 2, 3 & 4, 5 & |
| | closed | 6 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU TYPE CONFIGURATION |
|------------------------------------------------------------|
| Type | JP5 | JP27 |
|------------------+--------------------+--------------------|
| TI486SXL | pins 2 & 3 Closed | pins 1 & 2 closed |
|------------------+--------------------+--------------------|
| TI486SXL2 | pins 2 & 3 Closed | pins 1 & 2 closed |
|------------------+--------------------+--------------------|
| Cyrix | pins 1 & 2 closed | pins 2 & 3 Closed |
|------------------+--------------------+--------------------|
| Other CPU’s | Open | pins 2 & 3 Closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU TYPE CONFIGURATION |
|------------------------------------------------------------|
| Type | JP13 | JP14 | JP15 | JP17 |
|------------+------------+------------+------------+--------|
| CX486M6 | Open | pins 1 & 2 | pins 1 & 2 | Open |
| | | closed | closed | |
|------------+------------+------------+------------+--------|
| 80486SX | Open | pins 1 & 2 | pins 1 & 2 | Open |
| | | closed | closed | |
|------------+------------+------------+------------+--------|
| TI486SXL | Open | pins 1 & 2 | pins 1 & 2 | Open |
| | | closed | closed | |
|------------+------------+------------+------------+--------|
| TI486SXL2 | Open | pins 1 & 2 | pins 1 & 2 | Open |
| | | closed | closed | |
|------------+------------+------------+------------+--------|
| 80487SX | pins 1 & 2 | pins 1 & 2 | pins 2 & 3 | Closed |
| | closed | closed | closed | |
|------------+------------+------------+------------+--------|
| CX486M7 | pins 2 & 3 | pins 1 & 2 | pins 2 & 3 | Closed |
| | closed | closed | closed | |
|------------+------------+------------+------------+--------|
| 80486DX | pins 2 & 3 | pins 1 & 2 | pins 2 & 3 | Closed |
| | closed | closed | closed | |
|------------+------------+------------+------------+--------|
| 80486DX2 | pins 2 & 3 | pins 1 & 2 | pins 2 & 3 | Closed |
| | closed | closed | closed | |
|------------+------------+------------+------------+--------|
| 80486DX4 | pins 2 & 3 | pins 1 & 2 | pins 2 & 3 | Closed |
| | closed | closed | closed | |
|------------+------------+------------+------------+--------|
| Pentium | pins 1 & 2 | pins 2 & 3 | pins 2 & 3 | Closed |
| Overdrive | closed | closed | closed | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU TYPE CONFIGURATION (CON’T) |
|------------------------------------------------------------|
| Type | JP20 | JP45 | JP46 |
|-------------------+-------------------+----------+---------|
| CX486M6 | pins 1 & 2 closed | Open | Open |
|-------------------+-------------------+----------+---------|
| 80486SX | pins 1 & 2 closed | Open | Open |
|-------------------+-------------------+----------+---------|
| TI486SXL | pins 1 & 2 closed | Closed | Closed |
|-------------------+-------------------+----------+---------|
| TI486SXL2 | pins 1 & 2 closed | Closed | Closed |
|-------------------+-------------------+----------+---------|
| 80487SX | pins 1 & 2 closed | Open | Open |
|-------------------+-------------------+----------+---------|
| CX486M7 | pins 1 & 2 closed | Open | Open |
|-------------------+-------------------+----------+---------|
| 80486DX | pins 1 & 2 closed | Open | Open |
|-------------------+-------------------+----------+---------|
| 80486DX2 | pins 1 & 2 closed | Open | Open |
|-------------------+-------------------+----------+---------|
| 80486DX4 | pins 1 & 2 closed | Open | Open |
|-------------------+-------------------+----------+---------|
| Pentium Overdrive | pins 2 & 3 closed | Open | Open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SMI CPU TYPE CONFIGURATION |
|------------------------------------------------------------|
| Type | JP1 | JP2 | JP3 |
|------------+------------+------------+---------------------|
| 80486 | pins 1 & 2 | pins 1 & 2 | pins 1 & 2 closed |
| S-series | closed | closed | |
|------------+------------+------------+---------------------|
| 80486DX4 | pins 1 & 2 | pins 1 & 2 | pins 1 & 2 closed |
| | closed | closed | |
|------------+------------+------------+---------------------|
| AM486DXL | pins 1 & 2 | pins 2 & 3 | pins 2 & 3 closed |
| | closed | closed | |
|------------+------------+------------+---------------------|
| CX486M6 | pins 2 & 3 | pins 4 & 5 | pins 4 & 5 closed |
| | closed | closed | |
|------------+------------+------------+---------------------|
| CX486M7 | pins 2 & 3 | pins 4 & 5 | pins 4 & 5 closed |
| | closed | closed | |
|------------+------------+------------+---------------------|
| TI486SXL | pins 1 & 2 | pins 5 & 6 | pins 1 & 2, 5 & 6 |
| | closed | closed | closed |
|------------+------------+------------+---------------------|
| TI486SXL2 | pins 1 & 2 | pins 5 & 6 | pins 1 & 2, 5 & 6 |
| | closed | closed | closed |
|------------+------------+------------+---------------------|
| 5v general | Open | Open | Open |
| CPU | | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED CONFIGURATION (INTEL & CYRIX ONLY) |
|------------------------------------------------------------|
| Speed | JP28 | JP33 | JP36 |
|---------+------------+------------------------+------------|
| 25MHz | pins 1 & 2 | pins 1 & 2, 5 & 6 | pins 1 & 2 |
| | closed | closed | closed |
|---------+------------+------------------------+------------|
| 33MHz | pins 1 & 2 | pins 1 & 2, 3 & 4 | pins 1 & 2 |
| | closed | closed | closed |
|---------+------------+------------------------+------------|
| 40MHz | pins 1 & 2 | pins 5 & 6 closed | pins 1 & 2 |
| | closed | | closed |
|---------+------------+------------------------+------------|
| 50iMHz | pins 1 & 2 | pins 1 & 2, 5 & 6 | pins 1 & 2 |
| | closed | closed | closed |
|---------+------------+------------------------+------------|
| 50MHz | pins 2 & 3 | pins 1 & 2, 5 & 6 | pins 2 & 3 |
| | closed | closed | closed |
|---------+------------+------------------------+------------|
| 66iMHz | pins 1 & 2 | pins 1 & 2, 3 & 4 | pins 1 & 2 |
| | closed | closed | closed |
|---------+------------+------------------------+------------|
| 75iMHz | pins 1 & 2 | pins 1 & 2, 5 & 6 | pins 1 & 2 |
| | closed | closed | closed |
|---------+------------+------------------------+------------|
| 80iMHz | pins 1 & 2 | pins 5 & 6 closed | pins 1 & 2 |
| | closed | | closed |
|---------+------------+------------------------+------------|
| 100iMHz | pins 1 & 2 | pins 1 & 2, 3 & 4 | pins 1 & 2 |
| | closed | closed | closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED CONFIGURATION (TI ONLY) |
|------------------------------------------------------------|
| Speed | JP28 | JP33 | JP36 |
|--------+------------+-------------------------+------------|
| 25MHz | pins 2 & 3 | pins 1 & 2, 5 & 6 | pins 1 & 2 |
| | closed | closed | closed |
|--------+------------+-------------------------+------------|
| 33MHz | pins 2 & 3 | pins 1 & 2, 3 & 4 | pins 1 & 2 |
| | closed | closed | closed |
|--------+------------+-------------------------+------------|
| 40MHz | pins 2 & 3 | pins 5 & 6 closed | pins 1 & 2 |
| | closed | | closed |
|--------+------------+-------------------------+------------|
| 50iMHz | pins 2 & 3 | pins 1 & 2, 5 & 6 | pins 1 & 2 |
| | closed | closed | closed |
|--------+------------+-------------------------+------------|
| 66iMHz | pins 2 & 3 | pins 1 & 2, 3 & 4 | pins 1 & 2 |
| | closed | closed | closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU VOLTAGE CONFIGURATION |
|------------------------------------------------------------|
| Voltage | JP43 |
|----------------------------+-------------------------------|
| 3.3v | pins 1 & 2 closed |
|----------------------------+-------------------------------|
| 5v | pins 2 & 3 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| VESA WAIT STATE CONFIGURATION |
|------------------------------------------------------------|
| Wait states | JP7 |
|----------------------------+-------------------------------|
| 0 wait states | pins 1 & 2 closed |
|----------------------------+-------------------------------|
| 1 wait state | pins 2 & 3 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BUS SPEED CONFIGURATION |
|------------------------------------------------------------|
| CPU speed | JP6 |
|----------------------------+-------------------------------|
| <= 33MHz | pins 1 & 2 closed |
|----------------------------+-------------------------------|
| > 33MHz | pins 2 & 3 closed |
+------------------------------------------------------------+