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# TMC RESEARCH CORPORATION
AI5VG+ (66MHZ) (VER. 1.0B)
Device Type Mainboard
Processor CX 6X86/CX 6X86L/CX 686MX/AM K5/AM K6/IDT
C6/Pentium/
Pentium MMX
Processor Speed 90/100/120/133/150/166/200/233/266/300MHz
Chip Set VIA VP3
Maximum Onboard 384MB (EDO supported)
Memory
Cache 512KB
BIOS Unidentified
Dimensions 230mm x 220mm
I/O Options 32-bit PCI slots (4), floppy drive interface,
IDE interfaces (2), parallel port, PS/2 mouse
interface, serial ports (2), IR connector, USB
connector, ATX power connector, AGP slot, wake
on LAN connector
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|-------------------+----------+----------------+------------|
| AGP slot | AGP | Wake on LAN | J13 |
| | | connector | |
|-------------------+----------+----------------+------------|
| ATX power | ATX | CPU fan power | J14 |
| connector | | | |
|-------------------+----------+----------------+------------|
| IDE interface 1 | C1 | IR connector | J15 |
|-------------------+----------+----------------+------------|
| IDE interface 2 | C2 | Speaker | J20/pins 1 |
| | | | - 4 |
|-------------------+----------+----------------+------------|
| USB connector | J1 | Soft off power | J20/pins 7 |
| | | supply | & 17 |
|-------------------+----------+----------------+------------|
| PS/2 mouse | J4 | Turbo LED | J20/pins 8 |
| interface | | | & 18 |
|-------------------+----------+----------------+------------|
| Serial port 2 | J5 | Reset switch | J20/pins 9 |
| | | | & 19 |
|-------------------+----------+----------------+------------|
| Serial port 1 | J6 | IDE interface | J20/pins |
| | | LED | 10 & 20 |
|-------------------+----------+----------------+------------|
| Parallel port | J9 | Power LED & | J20/pins |
| | | keylock | 11 - 15 |
|-------------------+----------+----------------+------------|
| Floppy drive | J11 | 32-bit PCI | PC1 - PC4 |
| interface | | slots | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Label | Position |
|----------------------------------+-------+-----------------|
| ยป | CMOS memory normal operation | JP2 | Pins 1 & 2 |
| | | | closed |
|---+------------------------------+-------+-----------------|
| | CMOS memory clear | JP2 | Pins 2 & 3 |
| | | | closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SIMM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 |
|----------------------------+-------------------------------|
| 8MB | (2) 1M x 36 |
|----------------------------+-------------------------------|
| 16MB | (2) 2M x 36 |
|----------------------------+-------------------------------|
| 32MB | (2) 4M x 36 |
|----------------------------+-------------------------------|
| 64MB | (2) 8M x 36 |
|----------------------------+-------------------------------|
| 128MB | (2) 16M x 36 |
|------------------------------------------------------------|
| Note: Board accepts EDO memory. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DIMM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 1 | Bank 2 | Bank 3 |
|------------+---------------+---------------+---------------|
| 8MB | (1) 1M x 64 | None | None |
|------------+---------------+---------------+---------------|
| 16MB | (1) 2M x 64 | None | None |
|------------+---------------+---------------+---------------|
| 16MB | (1) 1M x 64 | (1) 1M x 64 | None |
|------------+---------------+---------------+---------------|
| 24MB | (1) 2M x 64 | (1) 1M x 64 | None |
|------------+---------------+---------------+---------------|
| 24MB | (1) 1M x 64 | (1) 1M x 64 | (1) 1M x 64 |
|------------+---------------+---------------+---------------|
| 32MB | (1) 4M x 64 | None | None |
|------------+---------------+---------------+---------------|
| 32MB | (1) 2M x 64 | (1) 1M x 64 | (1) 1M x 64 |
|------------+---------------+---------------+---------------|
| 32MB | (1) 2M x 64 | (1) 2M x 64 | None |
|------------+---------------+---------------+---------------|
| 40MB | (1) 4M x 64 | (1) 1M x 64 | None |
|------------+---------------+---------------+---------------|
| 40MB | (1) 2M x 64 | (1) 2M x 64 | (1) 1M x 64 |
|------------+---------------+---------------+---------------|
| 48MB | (1) 4M x 64 | (1) 1M x 64 | (1) 1M x 64 |
|------------+---------------+---------------+---------------|
| 48MB | (1) 4M x 64 | (1) 2M x 64 | None |
|------------+---------------+---------------+---------------|
| 48MB | (1) 2M x 64 | (1) 2M x 64 | (1) 2M x 64 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DIMM CONFIGURATION (CON'T) |
|------------------------------------------------------------|
| Size | Bank 1 | Bank 2 | Bank 3 |
|------------+---------------+---------------+---------------|
| 56MB | (1) 4M x 64 | (1) 2M x 64 | (1) 1M x 64 |
|------------+---------------+---------------+---------------|
| 64MB | (1) 8M x 64 | None | None |
|------------+---------------+---------------+---------------|
| 64MB | (1) 4M x 64 | (1) 2M x 64 | (1) 2M x 64 |
|------------+---------------+---------------+---------------|
| 64MB | (1) 4M x 64 | (1) 4M x 64 | None |
|------------+---------------+---------------+---------------|
| 72MB | (1) 8M x 64 | (1) 1M x 64 | None |
|------------+---------------+---------------+---------------|
| 72MB | (1) 4M x 64 | (1) 4M x 64 | (1) 1M x 64 |
|------------+---------------+---------------+---------------|
| 80MB | (1) 8M x 64 | (1) 1M x 64 | (1) 1M x 64 |
|------------+---------------+---------------+---------------|
| 80MB | (1) 8M x 64 | (1) 2M x 64 | None |
|------------+---------------+---------------+---------------|
| 80MB | (1) 4M x 64 | (1) 4M x 64 | (1) 2M x 64 |
|------------+---------------+---------------+---------------|
| 88MB | (1) 8M x 64 | (1) 2M x 64 | (1) 1M x 64 |
|------------+---------------+---------------+---------------|
| 96MB | (1) 8M x 64 | (1) 2M x 64 | (1) 2M x 64 |
|------------+---------------+---------------+---------------|
| 96MB | (1) 8M x 64 | (1) 4M x 64 | None |
|------------+---------------+---------------+---------------|
| 96MB | (1) 4M x 64 | (1) 4M x 64 | (1) 4M x 64 |
|------------+---------------+---------------+---------------|
| 104MB | (1) 8M x 64 | (1) 4M x 64 | (1) 1M x 64 |
|------------+---------------+---------------+---------------|
| 112MB | (1) 8M x 64 | (1) 4M x 64 | (1) 2M x 64 |
|------------+---------------+---------------+---------------|
| 128MB | (1) 16M x 64 | None | None |
|------------+---------------+---------------+---------------|
| 128MB | (1) 8M x 64 | (1) 4M x 64 | (1) 4M x 64 |
|------------+---------------+---------------+---------------|
| 128MB | (1) 8M x 64 | (1) 8M x 64 | None |
|------------+---------------+---------------+---------------|
| 136MB | (1) 16M x 64 | (1) 1M x 64 | None |
|------------+---------------+---------------+---------------|
| 136MB | (1) 8M x 64 | (1) 8M x 64 | (1) 1M x 64 |
|------------+---------------+---------------+---------------|
| 144MB | (1) 16M x 64 | (1) 1M x 64 | (1) 1M x 64 |
|------------+---------------+---------------+---------------|
| 144MB | (1) 16M x 64 | (1) 2M x 64 | None |
|------------+---------------+---------------+---------------|
| 144MB | (1) 8M x 64 | (1) 8M x 64 | (1) 2M x 64 |
|------------+---------------+---------------+---------------|
| 152MB | (1) 16M x 64 | (1) 2M x 64 | (1) 1M x 64 |
|------------+---------------+---------------+---------------|
| 160MB | (1) 16M x 64 | (1) 2M x 64 | (1) 2M x 64 |
|------------+---------------+---------------+---------------|
| 168MB | (1) 16M x 64 | (1) 4M x 64 | (1) 1M x 64 |
|------------+---------------+---------------+---------------|
| 176MB | (1) 16M x 64 | (1) 4M x 64 | (1) 2M x 64 |
|------------+---------------+---------------+---------------|
| 192MB | (1) 16M x 64 | (1) 4M x 64 | (1) 4M x 64 |
|------------+---------------+---------------+---------------|
| 192MB | (1) 16M x 64 | (1) 8M x 64 | None |
|------------+---------------+---------------+---------------|
| 192MB | (1) 8M x 64 | (1) 8M x 64 | (1) 8M x 64 |
|------------+---------------+---------------+---------------|
| 200MB | (1) 16M x 64 | (1) 8M x 64 | (1) 1M x 64 |
|------------+---------------+---------------+---------------|
| 208MB | (1) 16M x 64 | (1) 8M x 64 | (1) 2M x 64 |
|------------+---------------+---------------+---------------|
| 224MB | (1) 16M x 64 | (1) 8M x 64 | (1) 4M x 64 |
|------------+---------------+---------------+---------------|
| 256MB | (1) 16M x 64 | (1) 8M x 64 | (1) 8M x 64 |
|------------+---------------+---------------+---------------|
| 384MB | (1) 16M x 64 | (1) 16M x 64 | (1) 16M x 64 |
|------------------------------------------------------------|
| Note: Board accepts SDRAM memory. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 |
|----------------------------+-------------------------------|
| 512KB | (1) 64K x 64 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (CX 6X86) |
|------------------------------------------------------------|
|CPU speed|Clock speed|Multiplier|SW1/1 |SW1/2 |SW1/3 |SW1/4 |
|---------+-----------+----------+------+------+------+------|
| 150MHz | 66MHz | 2x | On | On | On | Off |
|---------+-----------+----------+------+------+------+------|
| 166MHz | 66MHz | 2x | Off | On | On | Off |
|---------+-----------+----------+------+------+------+------|
| 200MHz | 75MHz | 2x | Off | Off | On | Off |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (CX 6X86, CON'T) |
|------------------------------------------------------------|
|CPU speed|Clock speed|Multiplier|SW1/5 |SW1/6 |SW1/7 |SW1/8 |
|---------+-----------+----------+------+------+------+------|
| 150MHz | 66MHz | 2x | On | Off | Off | Off |
|---------+-----------+----------+------+------+------+------|
| 166MHz | 66MHz | 2x | On | Off | Off | Off |
|---------+-----------+----------+------+------+------+------|
| 200MHz | 75MHz | 2x | On | Off | Off | Off |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (CX 6X86L) |
|------------------------------------------------------------|
|CPU speed|Clock speed|Multiplier|SW1/1 |SW1/2 |SW1/3 |SW1/4 |
|---------+-----------+----------+------+------+------+------|
| 150MHz | 66MHz | 2x | On | On | On | Off |
|---------+-----------+----------+------+------+------+------|
| 166MHz | 66MHz | 2x | Off | On | On | Off |
|---------+-----------+----------+------+------+------+------|
| 200MHz | 75MHz | 2x | Off | Off | On | Off |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (CX 6X86L, CON'T) |
|------------------------------------------------------------|
|CPU speed|Clock speed|Multiplier|SW1/5 |SW1/6 |SW1/7 |SW1/8 |
|---------+-----------+----------+------+------+------+------|
| 150MHz | 66MHz | 2x | On | Off | Off | Off |
|---------+-----------+----------+------+------+------+------|
| 166MHz | 66MHz | 2x | On | Off | Off | Off |
|---------+-----------+----------+------+------+------+------|
| 200MHz | 75MHz | 2x | On | Off | Off | Off |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (CX 6X86MX) |
|------------------------------------------------------------|
|CPU speed|Clock speed|Multiplier|SW1/1 |SW1/2 |SW1/3 |SW1/4 |
|---------+-----------+----------+------+------+------+------|
| 166MHz | 66MHz | 2.5x | On | On | On | Off |
|---------+-----------+----------+------+------+------+------|
| 200MHz | 66MHz | 2.5x | Off | On | On | Off |
|---------+-----------+----------+------+------+------+------|
| 233MHz | 66MHz | 3x | Off | On | On | Off |
|---------+-----------+----------+------+------+------+------|
| 266MHz | 66MHz | 3.5x | Off | On | On | Off |
|---------+-----------+----------+------+------+------+------|
| 233MHz | 75MHz | 2.5x | Off | Off | On | Off |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (CX 6X86MX, CON'T) |
|------------------------------------------------------------|
|CPU speed|Clock speed|Multiplier|SW1/5 |SW1/6 |SW1/7 |SW1/8 |
|---------+-----------+----------+------+------+------+------|
| 166MHz | 66MHz | 2.5x | On | On | Off | Off |
|---------+-----------+----------+------+------+------+------|
| 200MHz | 66MHz | 2.5x | On | On | Off | Off |
|---------+-----------+----------+------+------+------+------|
| 233MHz | 66MHz | 3x | Off | On | Off | Off |
|---------+-----------+----------+------+------+------+------|
| 266MHz | 66MHz | 3.5x | Off | Off | Off | Off |
|---------+-----------+----------+------+------+------+------|
| 233MHz | 75MHz | 2.5x | On | On | Off | Off |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (AM K5) |
|------------------------------------------------------------|
|CPU speed|Clock speed|Multiplier|SW1/1 |SW1/2 |SW1/3 |SW1/4 |
|---------+-----------+----------+------+------+------+------|
| 90MHz | 60MHz | 1.5x | On | On | On | Off |
|---------+-----------+----------+------+------+------+------|
| 100MHz | 66MHz | 1.5x | Off | On | On | Off |
|---------+-----------+----------+------+------+------+------|
| 133MHz | 66MHz | 2x | Off | On | On | Off |
|---------+-----------+----------+------+------+------+------|
| 166MHz | 66MHz | 2.5x | Off | On | On | Off |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (AM K5, CON'T) |
|------------------------------------------------------------|
|CPU speed|Clock speed|Multiplier|SW1/5 |SW1/6 |SW1/7 |SW1/8 |
|---------+-----------+----------+------+------+------+------|
| 90MHz | 60MHz | 1.5x | Off | Off | Off | Off |
|---------+-----------+----------+------+------+------+------|
| 100MHz | 66MHz | 1.5x | Off | Off | Off | Off |
|---------+-----------+----------+------+------+------+------|
| 133MHz | 66MHz | 2x | On | Off | Off | Off |
|---------+-----------+----------+------+------+------+------|
| 166MHz | 66MHz | 2.5x | On | On | Off | Off |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (AM K6) |
|------------------------------------------------------------|
|CPU speed|Clock speed|Multiplier|SW1/1 |SW1/2 |SW1/3 |SW1/4 |
|---------+-----------+----------+------+------+------+------|
| 166MHz | 66MHz | 2.5x | Off | On | On | Off |
|---------+-----------+----------+------+------+------+------|
| 200MHz | 66MHz | 3x | Off | On | On | Off |
|---------+-----------+----------+------+------+------+------|
| 233MHz | 66MHz | 3.5x | Off | On | On | Off |
|---------+-----------+----------+------+------+------+------|
| 266MHz | 66MHz | 4x | Off | On | On | Off |
|---------+-----------+----------+------+------+------+------|
| 300MHz | 66MHz | 4.5x | Off | On | On | Off |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (AM K6, CON'T) |
|------------------------------------------------------------|
|CPU speed|Clock speed|Multiplier|SW1/5 |SW1/6 |SW1/7 |SW1/8 |
|---------+-----------+----------+------+------+------+------|
| 166MHz | 66MHz | 2.5x | On | On | Off | Off |
|---------+-----------+----------+------+------+------+------|
| 200MHz | 66MHz | 3x | Off | On | Off | Off |
|---------+-----------+----------+------+------+------+------|
| 233MHz | 66MHz | 3.5x | Off | Off | Off | Off |
|---------+-----------+----------+------+------+------+------|
| 266MHz | 66MHz | 4x | On | Off | On | Off |
|---------+-----------+----------+------+------+------+------|
| 300MHz | 66MHz | 4.5x | On | On | On | Off |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (IDT C6) |
|------------------------------------------------------------|
|CPU speed|Clock speed|Multiplier|SW1/1 |SW1/2 |SW1/3 |SW1/4 |
|---------+-----------+----------+------+------+------+------|
| 180MHz | 60MHz | 3x | On | On | On | Off |
|---------+-----------+----------+------+------+------+------|
| 225MHz | 75MHz | 3x | Off | Off | On | Off |
|---------+-----------+----------+------+------+------+------|
| 266MHz | 66MHz | 4x | Off | On | On | Off |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (IDT C6, CON'T) |
|------------------------------------------------------------|
|CPU speed|Clock speed|Multiplier|SW1/5 |SW1/6 |SW1/7 |SW1/8 |
|---------+-----------+----------+------+------+------+------|
| 180MHz | 60MHz | 3x | Off | On | Off | Off |
|---------+-----------+----------+------+------+------+------|
| 225MHz | 75MHz | 3x | Off | On | Off | Off |
|---------+-----------+----------+------+------+------+------|
| 266MHz | 66MHz | 4x | On | Off | On | Off |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (INTEL) |
|------------------------------------------------------------|
|CPU speed|Clock speed|Multiplier|SW1/1 |SW1/2 |SW1/3 |SW1/4 |
|---------+-----------+----------+------+------+------+------|
| 90MHz | 60MHz | 1.5x | On | On | On | Off |
|---------+-----------+----------+------+------+------+------|
| 100MHz | 66MHz | 1.5x | Off | On | On | Off |
|---------+-----------+----------+------+------+------+------|
| 120MHz | 60MHz | 2x | On | On | On | Off |
|---------+-----------+----------+------+------+------+------|
| 133MHz | 66MHz | 2x | Off | On | On | Off |
|---------+-----------+----------+------+------+------+------|
| 150MHz | 60MHz | 2.5x | On | On | On | Off |
|---------+-----------+----------+------+------+------+------|
| 166MHz | 66MHz | 2.5x | Off | On | On | Off |
|---------+-----------+----------+------+------+------+------|
| 200MHz | 66MHz | 3x | Off | On | On | Off |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (INTEL, CON'T) |
|------------------------------------------------------------|
|CPU speed|Clock speed|Multiplier|SW1/5 |SW1/6 |SW1/7 |SW1/8 |
|---------+-----------+----------+------+------+------+------|
| 90MHz | 60MHz | 1.5x | Off | Off | Off | Off |
|---------+-----------+----------+------+------+------+------|
| 100MHz | 66MHz | 1.5x | Off | Off | Off | Off |
|---------+-----------+----------+------+------+------+------|
| 120MHz | 60MHz | 2x | On | Off | Off | Off |
|---------+-----------+----------+------+------+------+------|
| 133MHz | 66MHz | 2x | On | Off | Off | Off |
|---------+-----------+----------+------+------+------+------|
| 150MHz | 60MHz | 2.5x | On | On | Off | Off |
|---------+-----------+----------+------+------+------+------|
| 166MHz | 66MHz | 2.5x | On | On | Off | Off |
|---------+-----------+----------+------+------+------+------|
| 200MHz | 66MHz | 3x | Off | On | Off | Off |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (INTEL MMX) |
|------------------------------------------------------------|
|CPU speed|Clock speed|Multiplier|SW1/1 |SW1/2 |SW1/3 |SW1/4 |
|---------+-----------+----------+------+------+------+------|
| 166MHz | 66MHz | 2.5x | Off | On | On | Off |
|---------+-----------+----------+------+------+------+------|
| 200MHz | 66MHz | 3x | Off | On | On | Off |
|---------+-----------+----------+------+------+------+------|
| 233MHz | 66MHz | 3.5x | Off | On | On | Off |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (INTEL MMX, CON'T) |
|------------------------------------------------------------|
|CPU speed|Clock speed|Multiplier|SW1/5 |SW1/6 |SW1/7 |SW1/8 |
|---------+-----------+----------+------+------+------+------|
| 166MHz | 66MHz | 2.5x | On | On | Off | Off |
|---------+-----------+----------+------+------+------+------|
| 200MHz | 66MHz | 3x | Off | On | Off | Off |
|---------+-----------+----------+------+------+------+------|
| 233MHz | 66MHz | 3.5x | Off | Off | Off | Off |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU VOLTAGE SELECTION (SINGLE) |
|------------------------------------------------------------|
| Voltage | SW2/1 | SW2/2 | SW2/3 | SW2/4 |
|------------+-----------+-----------+-----------+-----------|
| 3.5v | On | On | On | On |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU VOLTAGE SELECTION (DUAL) |
|------------------------------------------------------------|
| Voltage | V core | SW2/1 | SW2/2 | SW2/3 | SW2/4 |
|----------+----------+---------+---------+---------+--------|
| 3.3v | 2.0v | Off | Off | Off | Off |
|----------+----------+---------+---------+---------+--------|
| 3.3v | 2.1v | On | Off | Off | Off |
|----------+----------+---------+---------+---------+--------|
| 3.3v | 2.2v | Off | On | Off | Off |
|----------+----------+---------+---------+---------+--------|
| 3.3v | 2.3v | On | On | Off | Off |
|----------+----------+---------+---------+---------+--------|
| 3.3v | 2.4v | Off | Off | On | Off |
|----------+----------+---------+---------+---------+--------|
| 3.3v | 2.5v | On | Off | On | Off |
|----------+----------+---------+---------+---------+--------|
| 3.3v | 2.6v | Off | On | On | Off |
|----------+----------+---------+---------+---------+--------|
| 3.3v | 2.7v | On | On | On | Off |
|----------+----------+---------+---------+---------+--------|
| 3.3v | 2.8v | Off | Off | Off | On |
|----------+----------+---------+---------+---------+--------|
| 3.3v | 2.9v | On | Off | Off | On |
|----------+----------+---------+---------+---------+--------|
| 3.3v | 3.0v | Off | On | Off | On |
|----------+----------+---------+---------+---------+--------|
| 3.3v | 3.1v | On | On | Off | On |
|----------+----------+---------+---------+---------+--------|
| 3.3v | 3.2v | Off | Off | On | On |
|----------+----------+---------+---------+---------+--------|
| 3.3v | 3.3v | On | Off | On | On |
|----------+----------+---------+---------+---------+--------|
| 3.3v | 3.4v | Off | On | On | On |
|----------+----------+---------+---------+---------+--------|
| 3.3v | 3.5v | On | On | On | On |
+------------------------------------------------------------+