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# M TECHNOLOGY, INC.
R407E VESA 486
Processor 80486SX/CX486DX/AM486DX/80486DX/CX486DX2/AM486DX2/
80486DX2/CX486DX4/AM486DX4/AM486DX4(V8B)/80486DX4/P24D/P24T/CX5X86/AM
K5
Processor 25/33/40/50(internal)/50/66(internal)/100(internal)/120(internal)/
Speed 133(internal)/160(internal)MHz
Chip Set Unidentified
Video Chip None
Set
Maximum 128MB
Onboard
Memory
Maximum None
Video
Memory
Cache 128/256/512/1024KB
BIOS AMI
Dimensions 330mm x 218mm
I/O 32-bit VESA local bus slots (3), green PC connector
Options
NPU None
Options
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|------------------+----------+-------------------+----------|
| External battery | J2 | Reset switch | J7 |
|------------------+----------+-------------------+----------|
| Power LED & | J3 | Green PC | J8 |
| keylock | | connector | |
|------------------+----------+-------------------+----------|
| Speaker | J4 | Green PC | JP60 |
| | | connector | |
|------------------+----------+-------------------+----------|
| Turbo switch | J5 | Green PC | JP61 |
| | | connector | |
|------------------+----------+-------------------+----------|
| Turbo LED | J6 | 32-bit VESA local | SL1 - |
| | | bus slots | SL3 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Label | Position |
|-------------------------------------+-------+--------------|
| | Jumper information unavailable | JP43 | Unidentified |
|---+---------------------------------+-------+--------------|
| » | CMOS memory normal operation | JP50 | Pins 1 & 2 |
| | | | closed |
|---+---------------------------------+-------+--------------|
| | CMOS memory clear | JP50 | Pins 2 & 3 |
| | | | closed |
|---+---------------------------------+-------+--------------|
| | Monitor type select CGA | JP62 | Closed |
|---+---------------------------------+-------+--------------|
| | Monitor type select | JP62 | Open |
| | monochrome/EGA/VGA | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION (MODE 1) |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | Bank 2 | Bank 3 |
|-------+-------------+------------+------------+------------|
| 1MB | (4) 256K x | None | None | None |
| | 9 | | | |
|-------+-------------+------------+------------+------------|
| 2MB | (4) 256K x | (4) 256K x | None | None |
| | 9 | 9 | | |
|-------+-------------+------------+------------+------------|
| 4MB | (4) 1M x 9 | None | None | None |
|-------+-------------+------------+------------+------------|
| 5MB | (4) 256K x | (4) 1M x 9 | None | None |
| | 9 | | | |
|-------+-------------+------------+------------+------------|
| 6MB | (4) 256K x | (4) 256K x | (1) 1M x | None |
| | 9 | 9 | 36 | |
|-------+-------------+------------+------------+------------|
| 8MB | (4) 1M x 9 | (4) 1M x 9 | None | None |
|-------+-------------+------------+------------+------------|
| 10MB | (4) 256K x | (4) 256K x | (1) 1M x | (1) 1M x |
| | 9 | 9 | 36 | 36 |
|-------+-------------+------------+------------+------------|
| 12MB | (4) 1M x 9 | (4) 1M x 9 | (1) 1M x | None |
| | | | 36 | |
|-------+-------------+------------+------------+------------|
| 16MB | (4) 1M x 9 | (4) 1M x 9 | (1) 1M x | (1) 1M x |
| | | | 36 | 36 |
|-------+-------------+------------+------------+------------|
| 16MB | (4) 4M x 9 | None | None | None |
|-------+-------------+------------+------------+------------|
| 17MB | (4) 256K x | (4) 4M x 9 | None | None |
| | 9 | | | |
|-------+-------------+------------+------------+------------|
| 18MB | (4) 256K x | (4) 256K x | (1) 4M x | None |
| | 9 | 9 | 36 | |
|-------+-------------+------------+------------+------------|
| 20MB | (4) 1M x 9 | (4) 4M x 9 | None | None |
|-------+-------------+------------+------------+------------|
| 24MB | (4) 1M x 9 | (4) 1M x 9 | (1) 4M x | None |
| | | | 36 | |
|-------+-------------+------------+------------+------------|
| 32MB | (4) 4M x 9 | (4) 4M x 9 | None | None |
|-------+-------------+------------+------------+------------|
| 36MB | (4) 1M x 9 | (4) 4M x 9 | (1) 4M x | None |
| | | | 36 | |
|-------+-------------+------------+------------+------------|
| 40MB | (4) 1M x 9 | (4) 1M x 9 | (1) 4M x | (1) 4M x |
| | | | 36 | 36 |
|-------+-------------+------------+------------+------------|
| 48MB | (4) 4M x 9 | (4) 4M x 9 | (1) 4M x | None |
| | | | 36 | |
|-------+-------------+------------+------------+------------|
| 64MB | (4) 4M x 9 | (4) 4M x 9 | (1) 4M x | (1) 4M x |
| | | | 36 | 36 |
|-------+-------------+------------+------------+------------|
| 64MB | (4) 16M x 9 | None | None | None |
|-------+-------------+------------+------------+------------|
| 65MB | (4) 256K x | None | (1) 16M x | None |
| | 9 | | 36 | |
|-------+-------------+------------+------------+------------|
| 68MB | (4) 1M x 9 | (4) 16M x | None | None |
| | | 9 | | |
|-------+-------------+------------+------------+------------|
| 72MB | (4) 1M x 9 | (4) 16M x | (1) 1M x | None |
| | | 9 | 36 | |
|-------+-------------+------------+------------+------------|
| 80MB | (4) 4M x 9 | (4) 16M x | None | None |
| | | 9 | | |
|-------+-------------+------------+------------+------------|
| 96MB | (4) 4M x 9 | (4) 4M x 9 | (1) 16M x | None |
| | | | 36 | |
|-------+-------------+------------+------------+------------|
| 128MB | (4) 16M x 9 | (4) 16M x | None | None |
| | | 9 | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION (MODE 2) |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | Bank 2 | Bank 3 |
|------+------------+------------+-------------+-------------|
| 1MB | None | None | (1) 256K x | None |
| | | | 36 | |
|------+------------+------------+-------------+-------------|
| 2MB | None | None | (1) 256K x | (1) 256K x |
| | | | 36 | 36 |
|------+------------+------------+-------------+-------------|
| 2MB | None | None | (1) 512K x | None |
| | | | 36 | |
|------+------------+------------+-------------+-------------|
| 4MB | None | None | (1) 512K x | (1) 512K x |
| | | | 36 | 36 |
|------+------------+------------+-------------+-------------|
| 4MB | None | None | (1) 1M x 36 | None |
|------+------------+------------+-------------+-------------|
| 5MB | None | None | (1) 256K x | (1) 1M x 36 |
| | | | 36 | |
|------+------------+------------+-------------+-------------|
| 6MB | (4) 1M x 9 | None | (1) 256K x | (1) 256K x |
| | | | 36 | 36 |
|------+------------+------------+-------------+-------------|
| 6MB | None | None | (1) 512K x | (1) 1M x 36 |
| | | | 36 | |
|------+------------+------------+-------------+-------------|
| 8MB | (4) 1M x 9 | None | (1) 512K x | (1) 512K x |
| | | | 36 | 36 |
|------+------------+------------+-------------+-------------|
| 8MB | None | None | (1) 1M x 36 | (1) 1M x 36 |
|------+------------+------------+-------------+-------------|
| 8MB | None | None | (1) 2M x 36 | None |
|------+------------+------------+-------------+-------------|
| 10MB | (4) 1M x 9 | (4) 1M x 9 | (1) 256K x | (1) 256K x |
| | | | 36 | 36 |
|------+------------+------------+-------------+-------------|
| 12MB | (4) 1M x 9 | (4) 1M x 9 | (1) 512K x | (1) 512K x |
| | | | 36 | 36 |
|------+------------+------------+-------------+-------------|
| 12MB | (4) 1M x 9 | None | (1) 1M x 36 | (1) 1M x 36 |
|------+------------+------------+-------------+-------------|
| 12MB | None | None | (1) 1M x 36 | (1) 2M x 36 |
|------+------------+------------+-------------+-------------|
| 16MB | (4) 1M x 9 | (4) 1M x 9 | (1) 1M x 36 | (1) 1M x 36 |
|------+------------+------------+-------------+-------------|
| 16MB | None | None | (1) 2M x 36 | (1) 2M x 36 |
|------+------------+------------+-------------+-------------|
| 16MB | None | None | (1) 4M x 36 | None |
|------+------------+------------+-------------+-------------|
| 17MB | None | None | (1) 256K x | (1) 4M x 36 |
| | | | 36 | |
|------+------------+------------+-------------+-------------|
| 18MB | (4) 4M x 9 | None | (1) 256K x | (1) 256K x |
| | | | 36 | 36 |
|------+------------+------------+-------------+-------------|
| 18MB | None | None | (1) 512K x | (1) 4M x 36 |
| | | | 36 | |
|------+------------+------------+-------------+-------------|
| 20MB | (4) 4M x 9 | None | (1) 512K x | (1) 512K x |
| | | | 36 | 36 |
|------+------------+------------+-------------+-------------|
| 20MB | None | None | (1) 1M x 36 | (1) 4M x 36 |
|------+------------+------------+-------------+-------------|
| 24MB | (4) 1M x 9 | (4) 4M x 9 | (1) 512K x | (1) 512K x |
| | | | 36 | 36 |
|------+------------+------------+-------------+-------------|
| 24MB | (4) 4M x 9 | None | (1) 1M x 36 | (1) 1M x 36 |
|------+------------+------------+-------------+-------------|
| 24MB | None | None | (1) 2M x 36 | (1) 4M x 36 |
|------+------------+------------+-------------+-------------|
| 32MB | (4) 4M x 9 | None | (1) 2M x 36 | (1) 2M x 36 |
|------+------------+------------+-------------+-------------|
| 32MB | None | None | (1) 4M x 36 | (1) 4M x 36 |
|------+------------+------------+-------------+-------------|
| 32MB | None | None | (1) 8M x 36 | None |
|------+------------+------------+-------------+-------------|
| 36MB | (4) 4M x 9 | (4) 4M x 9 | (1) 512K x | (1) 512K x |
| | | | 36 | 36 |
|------+------------+------------+-------------+-------------|
| 36MB | (4) 4M x 9 | None | (1) 1M x 36 | (1) 4M x 36 |
|------+------------+------------+-------------+-------------|
| 36MB | None | None | (1) 1M x 36 | (1) 8M x 36 |
|------+------------+------------+-------------+-------------|
| 40MB | (4) 4M x 9 | (4) 4M x 9 | (1) 1M x 36 | (1) 1M x 36 |
|------+------------+------------+-------------+-------------|
| 48MB | (4) 4M x 9 | (4) 4M x 9 | (1) 2M x 36 | (1) 2M x 36 |
|------+------------+------------+-------------+-------------|
| 48MB | (4) 4M x 9 | (4) 4M x 9 | (1) 4M x 36 | None |
|------+------------+------------+-------------+-------------|
| 48MB | None | None | (1) 4M x 36 | (1) 8M x 36 |
|------+------------+------------+-------------+-------------|
| 64MB | (4) 4M x 9 | (4) 4M x 9 | (1) 4M x 36 | (1) 4M x 36 |
|------+------------+------------+-------------+-------------|
| 64MB | None | None | (1) 16M x | None |
| | | | 36 | |
|------+------------+------------+-------------+-------------|
| 64MB | None | None | (1) 8M x 36 | (1) 8M x 36 |
|------+------------+------------+-------------+-------------|
| 65MB | None | None | (1) 256K x | (1) 16M x |
| | | | 36 | 36 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION (MODE 2 CON’T) |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | Bank 2 | Bank 3 |
|-------+-------------+--------+--------------+--------------|
| 68MB | None | None | (1) 1M x 36 | (1) 16M x 36 |
|-------+-------------+--------+--------------+--------------|
| 72MB | (4) 16M x 9 | None | (1) 1M x 36 | (1) 1M x 36 |
|-------+-------------+--------+--------------+--------------|
| 80MB | None | None | (1) 4M x 36 | (1) 16M x 36 |
|-------+-------------+--------+--------------+--------------|
| 96MB | (4) 16M x 9 | None | (1) 4M x 36 | (1) 4M x 36 |
|-------+-------------+--------+--------------+--------------|
| 128MB | None | None | (1) 16M x 36 | (1) 16M x 36 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM JUMPER CONFIGURATION |
|------------------------------------------------------------|
| Size | JP30 | JP31 | JP32 | JP33 |
|--------+------------+------------+------------+------------|
| Mode 1 | Pins 1 & 2 | Pins 1 & 2 | Pins 1 & 2 | Pins 1 & 2 |
| | closed | closed | closed | closed |
|--------+------------+------------+------------+------------|
| Mode 2 | Pins 2 & 3 | Pins 2 & 3 | Pins 2 & 3 | Pins 2 & 3 |
| | closed | closed | closed | closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | TAG |
|-------------+---------------+---------------+--------------|
| 64KB | (4) 8K x 8 | (4) 8K x 8 | (1) 8K x 8 |
|-------------+---------------+---------------+--------------|
| 128KB | (4) 32K x 8 | None | (1) 8K x 8 |
|-------------+---------------+---------------+--------------|
| 256KB (A) | (4) 32K x 8 | (4) 32K x 8 | (1) 32K x 8 |
|-------------+---------------+---------------+--------------|
| 256KB (B) | (4) 64K x 8 | None | (1) 32K x 8 |
|-------------+---------------+---------------+--------------|
| 512KB (A) | (4) 64K x 8 | (4) 64K x 8 | (1) 32K x 8 |
|-------------+---------------+---------------+--------------|
| 512KB (B) | (4) 128K x 8 | None | (1) 32K x 8 |
|-------------+---------------+---------------+--------------|
| 1MB | (4) 128K x 8 | (4) 128K x 8 | (1) 64K x 8 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE JUMPER CONFIGURATION |
|------------------------------------------------------------|
| Size | JP20 | JP21 | JP22 | JP23 | JP24 | JP25 | JP26 |
|--------+-------+-------+-------+------+------+------+------|
| 64KB | 1 & 2 | 1 & 2 | 1 & 2 | 1 & | 2 & | Open | Open |
| | | | | 2 | 3 | | |
|--------+-------+-------+-------+------+------+------+------|
| 128KB | 2 & 3 | 1 & 2 | 1 & 2 | 2 & | 1 & | 1 & | Open |
| | | | | 3 | 2 | 2 | |
|--------+-------+-------+-------+------+------+------+------|
| 256KB | 2 & 3 | 2 & 3 | 1 & 2 | 2 & | 2 & | 2 & | Open |
| (A) | | | | 3 | 3 | 3 | |
|--------+-------+-------+-------+------+------+------+------|
| 256KB | 2 & 3 | 2 & 3 | 1 & 2 | 2 & | 1 & | 1 & | 2 & |
| (B) | | | | 3 | 2 | 2, 3 | 3 |
| | | | | | | & 4 | |
|--------+-------+-------+-------+------+------+------+------|
| 512KB | 2 & 3 | 2 & 3 | 2 & 3 | 2 & | 2 & | 2 & | 1 & |
| (A) | | | | 3 | 3 | 3, 4 | 2 |
| | | | | | | & 5 | |
|--------+-------+-------+-------+------+------+------+------|
| 512KB | 2 & 3 | 2 & 3 | 2 & 3 | 2 & | 1 & | 1 & | 1 & |
| (B) | | | | 3 | 2 | 2, 3 | 2 |
| | | | | | | & 4 | |
|--------+-------+-------+-------+------+------+------+------|
| 1MB | 2 & 3 | 2 & 3 | 2 & 3 | 2 & | 2 & | 2 & | 1 & |
| | | | | 3 | 3 | 3, 4 | 2 |
| | | | | | | & 5 | |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION |
|------------------------------------------------------------|
| Speed | JP40 | JP41 | JP42 |
|---------------+--------------+--------------+--------------|
| 25MHz | Closed | Open | Closed |
|---------------+--------------+--------------+--------------|
| 33MHz | Closed | Closed | Open |
|---------------+--------------+--------------+--------------|
| 40MHz | Open | Open | Closed |
|---------------+--------------+--------------+--------------|
| 50iMHz | Closed | Open | Closed |
|---------------+--------------+--------------+--------------|
| 50MHz | Open | Closed | Open |
|---------------+--------------+--------------+--------------|
| 66iMHz | Closed | Closed | Open |
|---------------+--------------+--------------+--------------|
| 100iMHz | Closed | Closed | Open |
|---------------+--------------+--------------+--------------|
| 120iMHz | Open | Open | Closed |
|---------------+--------------+--------------+--------------|
| 133iMHz | Closed | Closed | Open |
|---------------+--------------+--------------+--------------|
| 160iMHz | Open | Open | Closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU TYPE SELECTION |
|------------------------------------------------------------|
| Type | JP1 | JP2 | JP3 | JP4 | JP5 |
|-------------------+-------+--------+-------+-------+-------|
| 80486SX | Open | 3 & 4 | Open | 2 & 3 | 2 & 3 |
|-------------------+-------+--------+-------+-------+-------|
| CX486DX(3.45v) | 2 & 3 | 2 & 3, | Open | 2 & 3 | 1 & 2 |
| | | 4 & 5 | | | |
|-------------------+-------+--------+-------+-------+-------|
| CX486DX(5v) | 2 & 3 | 2 & 3 | Open | 2 & 3 | 1 & 2 |
|-------------------+-------+--------+-------+-------+-------|
| AM486DX | Open | 3 & 4 | Open | 2 & 3 | 2 & 3 |
|-------------------+-------+--------+-------+-------+-------|
| 80486DX | Open | 3 & 4 | Open | 2 & 3 | 2 & 3 |
|-------------------+-------+--------+-------+-------+-------|
| CX486DX2(3.45v) | 2 & 3 | 2 & 3, | Open | 2 & 3 | 1 & 2 |
| | | 4 & 5 | | | |
|-------------------+-------+--------+-------+-------+-------|
| CX486DX2(5v) | 2 & 3 | 2 & 3 | Open | 2 & 3 | 1 & 2 |
|-------------------+-------+--------+-------+-------+-------|
| AM486DX2 | Open | 3 & 4 | Open | 2 & 3 | 2 & 3 |
|-------------------+-------+--------+-------+-------+-------|
| 80486DX2 | Open | 3 & 4 | Open | 2 & 3 | 2 & 3 |
|-------------------+-------+--------+-------+-------+-------|
| CX486DX4(3.45v) | 2 & 3 | 2 & 3, | Open | 2 & 3 | 1 & 2 |
| | | 4 & 5 | | | |
|-------------------+-------+--------+-------+-------+-------|
| CX486DX4(5v) | 2 & 3 | 2 & 3 | Open | 2 & 3 | 1 & 2 |
|-------------------+-------+--------+-------+-------+-------|
| AM486DX4-100 | Open | 3 & 4 | Open | 2 & 3 | 2 & 3 |
|-------------------+-------+--------+-------+-------+-------|
| AM486DX4-100(V8B) | Open | 1 & 2, | 2 & 3 | 1 & 2 | 1 & 2 |
| | | 3 & 4 | | | |
|-------------------+-------+--------+-------+-------+-------|
| AM486DX4-120 | Open | 3 & 4 | Open | 2 & 3 | 2 & 3 |
|-------------------+-------+--------+-------+-------+-------|
| AM486DX4-120(V8B) | Open | 1 & 2, | 2 & 3 | 1 & 2 | 1 & 2 |
| | | 3 & 4 | | | |
|-------------------+-------+--------+-------+-------+-------|
| AM486DX4-133 | Open | 3 & 4 | Open | 2 & 3 | 2 & 3 |
|-------------------+-------+--------+-------+-------+-------|
| 80486DX4 | Open | 3 & 4 | Open | 2 & 3 | 2 & 3 |
|-------------------+-------+--------+-------+-------+-------|
| P24D | Open | 1 & 2 | 2 & 3 | 1 & 2 | 1 & 2 |
|-------------------+-------+--------+-------+-------+-------|
| P24T | 1 & 2 | 1 & 2 | Open | 1 & 2 | 1 & 2 |
|-------------------+-------+--------+-------+-------+-------|
| CX5X86-100 | Open | 1 & 2, | 2 & 3 | 2 & 3 | 1 & 2 |
| | | 3 & 4 | | | |
|-------------------+-------+--------+-------+-------+-------|
| CX5X86-120 | Open | 1 & 2, | 2 & 3 | 2 & 3 | 1 & 2 |
| | | 3 & 4 | | | |
|-------------------+-------+--------+-------+-------+-------|
| CX5X86-133 | Open | 1 & 2, | 2 & 3 | 2 & 3 | 1 & 2 |
| | | 3 & 4 | | | |
|-------------------+-------+--------+-------+-------+-------|
| AM K5 | Open | 1 & 2, | 2 & 3 | 1 & 2 | 1 & 2 |
| | | 3 & 4 | | | |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU TYPE SELECTION (CON’T) |
|------------------------------------------------------------|
| Type | JP6 | JP7 | JP8 | JP9 | JP10 |
|-------------------+-------+-------+-------+-------+--------|
| 80486SX | 1 & 2 | 2 & 3 | Open | 2 & 3 | 3 & 4 |
|-------------------+-------+-------+-------+-------+--------|
| CX486DX(3.45v) | 2 & 3 | 1 & 2 | 3 & 4 | 1 & | 2 & 3 |
| | | | | 2, 3 | |
| | | | | & 4 | |
|-------------------+-------+-------+-------+-------+--------|
| CX486DX(5v) | 2 & 3 | 1 & 2 | 3 & 4 | 1 & | 2 & 3 |
| | | | | 2, 3 | |
| | | | | & 4 | |
|-------------------+-------+-------+-------+-------+--------|
| AM486DX | 1 & 2 | 2 & 3 | 3 & 4 | 1 & | 3 & 4 |
| | | | | 2, 3 | |
| | | | | & 4 | |
|-------------------+-------+-------+-------+-------+--------|
| 80486DX | 1 & 2 | 2 & 3 | 3 & 4 | 1 & | 3 & 4 |
| | | | | 2, 3 | |
| | | | | & 4 | |
|-------------------+-------+-------+-------+-------+--------|
| CX486DX2(3.45v) | 2 & 3 | 1 & 2 | 3 & 4 | 1 & | 2 & 3 |
| | | | | 2, 3 | |
| | | | | & 4 | |
|-------------------+-------+-------+-------+-------+--------|
| CX486DX2(5v) | 2 & 3 | 1 & 2 | 3 & 4 | 1 & | 2 & 3 |
| | | | | 2, 3 | |
| | | | | & 4 | |
|-------------------+-------+-------+-------+-------+--------|
| AM486DX2 | 1 & 2 | 2 & 3 | 3 & 4 | 1 & | 3 & 4 |
| | | | | 2, 3 | |
| | | | | & 4 | |
|-------------------+-------+-------+-------+-------+--------|
| 80486DX2 | 1 & 2 | 2 & 3 | 3 & 4 | 1 & | 3 & 4 |
| | | | | 2, 3 | |
| | | | | & 4 | |
|-------------------+-------+-------+-------+-------+--------|
| CX486DX4(3.45v) | 2 & 3 | 1 & 2 | 3 & 4 | 1 & | 2 & 3 |
| | | | | 2, 3 | |
| | | | | & 4 | |
|-------------------+-------+-------+-------+-------+--------|
| CX486DX4(5v) | 2 & 3 | 1 & 2 | 3 & 4 | 1 & | 2 & 3 |
| | | | | 2, 3 | |
| | | | | & 4 | |
|-------------------+-------+-------+-------+-------+--------|
| AM486DX4-100 | 1 & 2 | 2 & 3 | 3 & 4 | 1 & | 3 & 4 |
| | | | | 2, 3 | |
| | | | | & 4 | |
|-------------------+-------+-------+-------+-------+--------|
| AM486DX4-100(V8B) | 1 & 2 | 2 & 3 | 3 & 4 | 1 & | 1 & 2, |
| | | | | 2, 3 | 3 & 4 |
| | | | | & 4 | |
|-------------------+-------+-------+-------+-------+--------|
| AM486DX4-120 | 1 & 2 | 2 & 3 | 3 & 4 | 1 & | 3 & 4 |
| | | | | 2, 3 | |
| | | | | & 4 | |
|-------------------+-------+-------+-------+-------+--------|
| AM486DX4-120(V8B) | 1 & 2 | 2 & 3 | 3 & 4 | 1 & | 1 & 2, |
| | | | | 2, 3 | 3 & 4 |
| | | | | & 4 | |
|-------------------+-------+-------+-------+-------+--------|
| AM486DX4-133 | 1 & 2 | 2 & 3 | 3 & 4 | 1 & | 3 & 4 |
| | | | | 2, 3 | |
| | | | | & 4 | |
|-------------------+-------+-------+-------+-------+--------|
| 80486DX4 | 1 & 2 | 2 & 3 | 3 & 4 | 1 & | 3 & 4 |
| | | | | 2, 3 | |
| | | | | & 4 | |
|-------------------+-------+-------+-------+-------+--------|
| P24D | 1 & 2 | 2 & 3 | 3 & 4 | 1 & | 1 & 2, |
| | | | | 2, 3 | 3 & 4 |
| | | | | & 4 | |
|-------------------+-------+-------+-------+-------+--------|
| P24T | 1 & 2 | 2 & 3 | 2 & 3 | 1 & | 3 & 4 |
| | | | | 2, 3 | |
| | | | | & 4 | |
|-------------------+-------+-------+-------+-------+--------|
| CX5X86-100 | 1 & 2 | 2 & 3 | 3 & 4 | 1 & | 1 & 2, |
| | | | | 2, 3 | 3 & 4 |
| | | | | & 4 | |
|-------------------+-------+-------+-------+-------+--------|
| CX5X86-120 | 1 & 2 | 2 & 3 | 3 & 4 | 1 & | 1 & 2, |
| | | | | 2, 3 | 3 & 4 |
| | | | | & 4 | |
|-------------------+-------+-------+-------+-------+--------|
| CX5X86-133 | 1 & 2 | 2 & 3 | 3 & 4 | 1 & | 1 & 2, |
| | | | | 2, 3 | 3 & 4 |
| | | | | & 4 | |
|-------------------+-------+-------+-------+-------+--------|
| AM K5 | 1 & 2 | 2 & 3 | 3 & 4 | 1 & | 1 & 2, |
| | | | | 2, 3 | 3 & 4 |
| | | | | & 4 | |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU TYPE SELECTION (CON’T) |
|------------------------------------------------------------|
| Type | JP11 | JP12 | JP13 | JP14 | JP16 |
|-------------------+--------+-------+-------+-------+-------|
| 80486SX | 4 & 5 | Open | Open | Open | 1 & 2 |
|-------------------+--------+-------+-------+-------+-------|
| CX486DX(3.45v) | 2 & 3 | Open | Open | Open | 1 & 2 |
|-------------------+--------+-------+-------+-------+-------|
| CX486DX(5v) | 2 & 3 | Open | Open | Open | 1 & 2 |
|-------------------+--------+-------+-------+-------+-------|
| AM486DX | 4 & 5 | Open | 2 & 3 | Open | 1 & 2 |
|-------------------+--------+-------+-------+-------+-------|
| 80486DX | 4 & 5 | Open | Open | Open | 1 & 2 |
|-------------------+--------+-------+-------+-------+-------|
| CX486DX2(3.45v) | 2 & 3 | Open | Open | Open | 1 & 2 |
|-------------------+--------+-------+-------+-------+-------|
| CX486DX2(5v) | 2 & 3 | Open | Open | Open | 1 & 2 |
|-------------------+--------+-------+-------+-------+-------|
| AM486DX2 | 4 & 5 | Open | 2 & 3 | Open | 1 & 2 |
|-------------------+--------+-------+-------+-------+-------|
| 80486DX2 | 4 & 5 | Open | Open | Open | 1 & 2 |
|-------------------+--------+-------+-------+-------+-------|
| CX486DX4(3.45v) | 2 & 3 | Open | Open | Open | 1 & 2 |
|-------------------+--------+-------+-------+-------+-------|
| CX486DX4(5v) | 2 & 3 | Open | Open | Open | 1 & 2 |
|-------------------+--------+-------+-------+-------+-------|
| AM486DX4-100 | 4 & 5 | Open | Open | Open | 1 & 2 |
|-------------------+--------+-------+-------+-------+-------|
| AM486DX4-100(V8B) | 4 & 5 | Open | Open | Open | 1 & 2 |
|-------------------+--------+-------+-------+-------+-------|
| AM486DX4-120 | 4 & 5 | Open | Open | Open | 1 & 2 |
|-------------------+--------+-------+-------+-------+-------|
| AM486DX4-120(V8B) | 4 & 5 | Open | Open | Open | 1 & 2 |
|-------------------+--------+-------+-------+-------+-------|
| AM486DX4-133 | 4 & 5 | Open | 2 & 3 | Open | 1 & 2 |
|-------------------+--------+-------+-------+-------+-------|
| 80486DX4 | 4 & 5 | Open | Open | Open | 1 & 2 |
|-------------------+--------+-------+-------+-------+-------|
| P24D | 4 & 5 | Open | 1 & 2 | 1 & 2 | 1 & 2 |
|-------------------+--------+-------+-------+-------+-------|
| P24T | 1 & 2 | Open | Open | Open | 1 & 2 |
|-------------------+--------+-------+-------+-------+-------|
| CX5X86-100 | 4 & 5 | Open | Open | 1 & 2 | 1 & 2 |
|-------------------+--------+-------+-------+-------+-------|
| CX5X86-120 | 4 & 5 | Open | Open | 1 & 2 | 1 & 2 |
|-------------------+--------+-------+-------+-------+-------|
| CX5X86-133 | 4 & 5 | Open | Open | 1 & 2 | 1 & 2 |
|-------------------+--------+-------+-------+-------+-------|
| AM K5 | 4 & 5 | Open | 1 & 2 | 1 & 2 | 1 & 2 |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU MULTIPLIER SELECTION (80486DX4 ONLY) |
|------------------------------------------------------------|
| Multiplier | JP15 |
|----------------------------+-------------------------------|
| 2x | Pins 2 & 3 closed |
|----------------------------+-------------------------------|
| 2.5x | Pins 1 & 2 closed |
|----------------------------+-------------------------------|
| 3x | Open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| VL BUS WAIT STATE SELECTION |
|------------------------------------------------------------|
| Setting | JP44 |
|----------------------------+-------------------------------|
| 0 | Pins 1 & 2 closed |
|----------------------------+-------------------------------|
| 1 | Pins 2 & 3 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| VL BUS SPEED SELECTION |
|------------------------------------------------------------|
| Speed | JP45 |
|----------------------------+-------------------------------|
| <= 33MHz | Pins 1 & 2 closed |
|----------------------------+-------------------------------|
| >33 MHz | Pins 2 & 3 closed |
+------------------------------------------------------------+