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# DATAEXPERT CORPORATION
ALI-1429G(EXP4049)
Processor CXM6/80486SXSL/80486SX/80487SX/CXM7/AMD486DX/AMD486DXL
80486DX/AMD486DX2/80486DX2SL/80486DX2/Pentium
Overdrive
Processor 20/25/33/40/50(internal)/66(internal)MHz
Speed
Chip Set ALI
Max. 80MB
Onboard
DRAM
Cache 32/64/128/256/512KB
BIOS AMI
Dimensions 230mm x 218mm
I/O 32-bit VESA local bus slots (3)
Options
NPU None
Options
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|---------------+----------+----------------------+----------|
| Power LED & | J1 | Turbo LED | J4 |
| keylock | | | |
|---------------+----------+----------------------+----------|
| Speaker | J2 | Turbo switch | J5 |
|---------------+----------+----------------------+----------|
| Reset switch | J3 | 32-bit VESA Local | SL 1, 2, |
| | | bus slots | 3 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Jumper/Switch | Position |
|-------------------------------+---------------+------------|
| » | CMOS normal operation | J6 | pins 2 & 3 |
| | | | closed |
|---+---------------------------+---------------+------------|
| | CMOS memory clear | J6 | pins 1 & 2 |
| | | | closed |
|---+---------------------------+---------------+------------|
| » | Factory configured - do | JP3 | pins 1 & 2 |
| | not alter | | closed |
|---+---------------------------+---------------+------------|
| » | Factory configured - do | JP4 | pins 1 & 2 |
| | not alter | | closed |
|---+---------------------------+---------------+------------|
| » | CPU installed other than | JP11 | Open |
| | INTEL-S CPU | | |
|---+---------------------------+---------------+------------|
| | INTEL-S CPU installed | JP11 | Closed |
|---+---------------------------+---------------+------------|
| » | 486 PQFP CPU disabled | JP16 | Closed |
|---+---------------------------+---------------+------------|
| | 486 PQFP CPU enabled | JP16 | Open |
|---+---------------------------+---------------+------------|
| | Green control connector | JP20 | pins 1 & 3 |
| | standby mode | | closed |
|---+---------------------------+---------------+------------|
| | Green control connector | JP20 | pins 5 & 7 |
| | suspend mode | | closed |
|---+---------------------------+---------------+------------|
| » | Factory configured - do | JP23 | N/A |
| | not alter | | |
|---+---------------------------+---------------+------------|
| » | Monitor type select color | JP29 | Open |
|---+---------------------------+---------------+------------|
| | Monitor type select | JP29 | Closed |
| | monochrome | | |
|---+---------------------------+---------------+------------|
| » | Modem ring connector | JP32 | Open |
| | disabled | | |
|---+---------------------------+---------------+------------|
| | Modem ring connector | JP32 | pins 1 & 2 |
| | enabled | | closed |
|---+---------------------------+---------------+------------|
| » | Green wake-up connector | JP33 | Open |
| | disabled | | |
|---+---------------------------+---------------+------------|
| | Green wake-up connector | JP33 | pins 1 & 2 |
| | enabled | | closed |
|---+---------------------------+---------------+------------|
| » | Lithium battery enabled | JP41 | pins 2 & 3 |
| | | | closed |
|---+---------------------------+---------------+------------|
| | Ni-Cad battery enabled | JP41 | pins 1 & 2 |
| | | | closed |
|---+---------------------------+---------------+------------|
| » | VESA bus cycle with 1 | JP42 | pins 2 & 3 |
| | wait state | | closed |
|---+---------------------------+---------------+------------|
| | VESA bus cycle with 0 | JP42 | pins 1 & 2 |
| | wait state | | closed |
|---+---------------------------+---------------+------------|
| » | Control green VGA H-sync | JP43 | Closed |
| | connector enabled (U31 | | |
| | removed) | | |
|---+---------------------------+---------------+------------|
| | Control green VGA H-sync | JP43 | Open |
| | connector disabled | | |
|---+---------------------------+---------------+------------|
| » | Factory configured - do | JP44 | Open |
| | not alter | | |
|---+---------------------------+---------------+------------|
| » | Control green VGA V-sync | JP45 | Closed |
| | connector enabled (U31 | | |
| | removed) | | |
|---+---------------------------+---------------+------------|
| | Control green VGA V-sync | JP45 | Open |
| | connector disabled | | |
|---+---------------------------+---------------+------------|
| » | Factory configured - do | JP46 | pins 1 & 2 |
| | not alter | | closed |
|---+---------------------------+---------------+------------|
| » | Use 74F244 TTL | JP47 | pins 2 & 3 |
| | | | closed |
|---+---------------------------+---------------+------------|
| | Use 74F245 TTL | JP47 | pins 1 & 2 |
| | | | closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 0/1 | Bank 1 |
|------------+---------------+---------------+---------------|
| 1MB | (4) 256K x 9 | NONE | NONE |
|------------+---------------+---------------+---------------|
| 1MB | NONE | (1) 256K x 36 | NONE |
|------------+---------------+---------------+---------------|
| 2MB | (4) 256K x 9 | NONE | (1) 256K x 36 |
|------------+---------------+---------------+---------------|
| 4MB | (4) 1M x 9 | NONE | NONE |
|------------+---------------+---------------+---------------|
| 4MB | NONE | (1) 1M x 36 | NONE |
|------------+---------------+---------------+---------------|
| 5MB | (4) 256K x 9 | NONE | (1) 1M x 36 |
|------------+---------------+---------------+---------------|
| 8MB | (4) 1M x 9 | NONE | (1) 1M x 36 |
|------------+---------------+---------------+---------------|
| 8MB | NONE | (1) 1M x 36 | (1) 1M x 36 |
|------------+---------------+---------------+---------------|
| 16MB | (4) 4M x 9 | NONE | NONE |
|------------+---------------+---------------+---------------|
| 16MB | NONE | (1) 4M x 36 | NONE |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 0/1 | Bank 1 |
|------------+---------------+---------------+---------------|
| 20MB | (4) 4M x 9 | NONE | (4) 1M x 36 |
|------------+---------------+---------------+---------------|
| 20MB | NONE | (1) 4M x 36 | (4) 1M x 36 |
|------------+---------------+---------------+---------------|
| 32MB | NONE | (1) 4M x 36 | (1) 4M x 36 |
|------------+---------------+---------------+---------------|
| 32MB | (4) 4M x 9 | (1) 4M x 36 | NONE |
|------------+---------------+---------------+---------------|
| 64MB | (4) 16M x 9 | NONE | NONE |
|------------+---------------+---------------+---------------|
| 68MB | (4) 16M x 9 | NONE | (1) 1M x 36 |
|------------+---------------+---------------+---------------|
| 80MB | (4) 16M x 9 | NONE | (1) 4M 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 / (1) |
| | | | | 32K x 8 |
|---+-------+--------------+-------------+-------------------|
| | 512KB | (4) 128K x 8 | NONE | (1) 32K x 8 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE CONFIGURATION |
|------------------------------------------------------------|
| Size | JP17 | JP22 |
|-----------+-------------------------+----------------------|
| | 32KB | pins 6 & 7 closed | Open |
|---+-------+-------------------------+----------------------|
| | 64KB | pins 4 & 5, 6 & 7 | pins 1 & 2 closed |
|---+-------+-------------------------+----------------------|
| | 64KB | pins 5 & 6 closed | pins 1 & 2 closed |
|---+-------+-------------------------+----------------------|
| | 128KB | pins 2 & 3, 4 & 5, 6 & | pins 1 & 2, 3 & 4 |
| | | 7 closed | closed |
|---+-------+-------------------------+----------------------|
| | 256KB | pins 2 & 3, 4 & 5, 6 & | pins 1 & 2, 3 & 4 |
| | | 7 closed | closed |
|---+-------+-------------------------+----------------------|
| » | 256KB | pins 1 & 2, 3 & 4, 5 & | pins 1 & 2, 3 & 4 |
| | | 6 closed | closed |
|---+-------+-------------------------+----------------------|
| | 512KB | pins 2 & 3, 4 & 5, 6 & | pins 1 & 2, 3 & 4, 5 |
| | | 7 closed | & 6 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU TYPE CONFIGURATION |
|------------------------------------------------------------|
| Type | JP5 | JP6 | JP7 | JP8 | JP9 |
|------------+---------+--------+---------+---------+--------|
| CXM6 | Open | Closed | pins 2 | pins 2 | Open |
| | | | & 3 | & 4 | |
|------------+---------+--------+---------+---------+--------|
| 80486SXSL | Open | Open | pins 1 | pins 1 | Closed |
| | | | & 2 | & 2 | |
|------------+---------+--------+---------+---------+--------|
| 80486SX | Open | Open | pins 2 | Open | Closed |
| | | | & 3 | | |
|------------+---------+--------+---------+---------+--------|
| 80487SX | pins 1 | Open | pins 2 | Open | Closed |
| | & 2 | | & 3 | | |
|------------+---------+--------+---------+---------+--------|
| CXM7 | pins 2 | Closed | pins 2 | pins 2 | Open |
| | & 3 | | & 3 | & 4 | |
|------------+---------+--------+---------+---------+--------|
| AMD DXL | pins 2 | Open | pins 2 | pins 2 | Closed |
| | & 3 | | & 3 | & 3 | |
|------------+---------+--------+---------+---------+--------|
| 80486DX | pins 2 | Open | pins 2 | Open | Closed |
| | & 3 | | & 3 | | |
|------------+---------+--------+---------+---------+--------|
| 80486DX2SL | pins 2 | Open | pins 1 | pins 1 | Closed |
| | & 3 | | & 2 | & 2 | |
|------------+---------+--------+---------+---------+--------|
| P24T | pins 1 | Open | pins 1 | pins 1 | Closed |
| | & 2 | | & 2 | & 2 | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU TYPE CONFIGURATION (CONTINUED) |
|------------------------------------------------------------|
| Type | JP10 | JP14 | JP15 | JP18 | JP34 |
|------------+---------+---------+--------+---------+--------|
| CXM6 | pins 2 | pins 1 | Open | pins 2 | pins 1 |
| | & 4 | &2 | | & 3 | & 2 |
|------------+---------+---------+--------+---------+--------|
| 80486SXSL | pins 2 | pins 1 | Closed | pins 2 | pins 2 |
| | & 3 | & 2 | | & 3 | & 3 |
|------------+---------+---------+--------+---------+--------|
| 80486SX | Open | pins 1 | Open | pins 2 | Open |
| | | & 2 | | & 3 | |
|------------+---------+---------+--------+---------+--------|
| 80487SX | Open | pins 2 | Closed | pins 2 | Open |
| | | & 3 | | & 3 | |
|------------+---------+---------+--------+---------+--------|
| CXM7 | pins 2 | pins 2 | Closed | pins 2 | pins 1 |
| | & 4 | & 3 | | & 3 | & 2 |
|------------+---------+---------+--------+---------+--------|
| AMD DXL | pins 1 | pins 2 | Closed | pins 2 | Open |
| | & 2 | & 3 | | & 3 | |
|------------+---------+---------+--------+---------+--------|
| 80486DX | Open | pins 2 | Closed | pins 2 | Open |
| | | & 3 | | & 3 | |
|------------+---------+---------+--------+---------+--------|
| 80486DX2SL | pins 2 | pins 2 | Closed | pins 2 | pins 2 |
| | & 3 | & 3 | | & 3 | & 3 |
|------------+---------+---------+--------+---------+--------|
| P24T | pins 2 | pins 2 | Closed | pins 1 | pins 2 |
| | & 3 | & 3 | | & 2 | & 3 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU TYPE CONFIGURATION (CONTINUED) |
|------------------------------------------------------------|
| Type | JP25 | JP26 | JP27 |
|---------------+--------------+--------------+--------------|
| CXM6 | Closed | Open | Closed |
|---------------+--------------+--------------+--------------|
| 80486DLC | Closed | Closed | Closed |
|---------------+--------------+--------------+--------------|
| CXM7 | Open | Open | Closed |
|---------------+--------------+--------------+--------------|
| 80486DX | Closed | Open | Open |
|---------------+--------------+--------------+--------------|
| P24T | Open | Closed | Open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED CONFIGURATION |
|------------------------------------------------------------|
| Speed | JP28 | JP13 | JP39 |
|-------------+-------------+------------+-------------------|
| | 20MHz | pins 1 & 2 | pins 1 & 2 | pins 3 & 4, 5 & 6 |
|---+---------+-------------+------------+-------------------|
| | 25MHz | pins 1 &2 | pins 1 & 2 | pins 1 & 2, 5 & 6 |
|---+---------+-------------+------------+-------------------|
| » | 33MHz | pins 1 & 2 | pins 1 & 2 | pins 1 & 2, 5 & 6 |
|---+---------+-------------+------------+-------------------|
| | 40MHz | pins 1 & 2 | pins 1 & 2 | pins 5 & 6 |
|---+---------+-------------+------------+-------------------|
| | 50iMHz | pins 2 & 3 | pins 2 & 3 | pins 1 & 2, 5 & 6 |
|---+---------+-------------+------------+-------------------|
| | 66iMHz | pins 1 & 2 | pins 1 & 2 | pins 1 & 2, 5 & 6 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| VESA WAIT STATE/BUS SPEED (ID2 & ID3) CONFIGURATION |
|------------------------------------------------------------|
| CPU speed | Wait states | JP1 (ID2) | JP2 (ID3) |
|------------+----------------+----------------+-------------|
| < 33MHz | 0 wait states | pins 1 & 2 | pins 1 & 2 |
| | | closed | closed |
|------------+----------------+----------------+-------------|
| > 33MHz | 1 wait state | pins 2 & 3 | pins 2 & 3 |
| | | closed | closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| MISCELLANEOUS TECHNICAL NOTE |
|------------------------------------------------------------|
| Note:Pins designated should be in the closed position. |
+------------------------------------------------------------+