(TXT) View Source
# M TECHNOLOGY, INC.
R418 PCI-486 (VER.2)
Processor 80486SX/CX486DX/AM486DX(V8T)/80486DX/CX486DX2/
AM486DX2(V8T)/80486DX2/CX486DX4/AM486DX4(V8T)/
AM486DX4(V8B)/80486DX4/P24D/P24T/CX5X86/AM X5
Processor 25/33/40/50(internal)/50/66(internal)/80(internal)/100(internal)/
Speed 120(internal)/133(internal)/160(internal)MHz
Chip Set SIS
Video Chip None
Set
Maximum 256MB
Onboard
Memory
Maximum None
Video
Memory
Cache 128/256/512/1024KB
BIOS Award
Dimensions 330mm x 218mm
I/O Parallel port, serial ports (2), 32-bit PCI slots (3), green PC
Options connector, floppy drive interface, IDE interfaces (2)
NPU None
Options
(IMG) IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|-------------------+----------+------------------+----------|
| Serial port 2 | CN1 | Turbo switch | J3 |
|-------------------+----------+------------------+----------|
| Serial port 1 | CN2 | Turbo LED | J4 |
|-------------------+----------+------------------+----------|
| Parallel port | CN3 | Reset switch | J5 |
|-------------------+----------+------------------+----------|
| Floppy drive | CN4 | Break switch | J6 |
| interface | | | |
|-------------------+----------+------------------+----------|
| IDE interface 2 | CN5 | IDE interface | J7 |
| | | LED | |
|-------------------+----------+------------------+----------|
| IDE interface 1 | CN6 | Green PC | J9 |
| | | connector | |
|-------------------+----------+------------------+----------|
| Power LED & | J1 | 32-bit PCI slots | PC1 - |
| keylock | | | PC3 |
|-------------------+----------+------------------+----------|
| Speaker | J2 | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Jumper | Position |
|------------------------------------+--------+--------------|
| » | Serial port 1 IRQ select IRQ4 | JP27 | Pins 1 & 2, |
| | | | 3 & 4 closed |
|---+--------------------------------+--------+--------------|
| | Serial port 2 IRQ select IRQ3 | JP27 | Pins 1 & 2 |
| | | | closed |
|---+--------------------------------+--------+--------------|
| » | Parallel port IRQ select IRQ7 | JP28 | Pins 2 & 3 |
| | | | closed |
|---+--------------------------------+--------+--------------|
| | Parallel port IRQ select IRQ5 | JP28 | Pins 1 & 2 |
| | | | closed |
|---+--------------------------------+--------+--------------|
| » | CMOS memory normal operation | JP49 | Pins 1 & 2 |
| | | | closed |
|---+--------------------------------+--------+--------------|
| | CMOS memory clear | JP49 | Pins 2 & 3 |
| | | | closed |
|---+--------------------------------+--------+--------------|
| » | Monitor type select monochrome | JP51 | Open |
|---+--------------------------------+--------+--------------|
| | Monitor type select color | JP51 | Closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | Bank 2 | Bank 3 |
|------+-------------+-------------+------------+------------|
| 1MB | (4) 256K x | None | None | None |
| | 9 | | | |
|------+-------------+-------------+------------+------------|
| 1MB | None | None | (1) 256K x | None |
| | | | 36 | |
|------+-------------+-------------+------------+------------|
| 2MB | (4) 256K x | (4) 256K x | None | None |
| | 9 | 9 | | |
|------+-------------+-------------+------------+------------|
| 2MB | None | None | (1) 256K x | (1) 256K x |
| | | | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 2MB | None | None | (1) 512K x | None |
| | | | 36 | |
|------+-------------+-------------+------------+------------|
| 3MB | None | None | (1) 256K x | (1) 512K x |
| | | | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 3MB | None | None | (1) 512K x | (1) 256K x |
| | | | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 4MB | (4) 1M x 9 | None | None | None |
|------+-------------+-------------+------------+------------|
| 4MB | None | None | (1) 512K x | (1) 512K x |
| | | | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 4MB | None | None | (1) 1M x | None |
| | | | 36 | |
|------+-------------+-------------+------------+------------|
| 5MB | (4) 256K x | (4) 1M x 9 | None | None |
| | 9 | | | |
|------+-------------+-------------+------------+------------|
| 5MB | (4) 1M x 9 | (4) 256K x | None | None |
| | | 9 | | |
|------+-------------+-------------+------------+------------|
| 5MB | (4) 256K x | None | (1) 1M x | None |
| | 9 | | 36 | |
|------+-------------+-------------+------------+------------|
| 5MB | None | None | (1) 256K x | (1) 1M x |
| | | | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 5MB | None | None | (1) 1M x | (1) 256K 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 |
|------+-------------+-------------+------------+------------|
| 6MB | None | None | (1) 1M x | (1) 512K x |
| | | | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 7MB | (4) 256K x | (4) 256K x | (1) 1M x | (1) 256K x |
| | 9 | 9 | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 8MB | (4) 1M x 9 | (4) 1M x 9 | None | None |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION (CON’T) |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | Bank 2 | Bank 3 |
|------+-------------+-------------+------------+------------|
| 8MB | (4) 1M x 9 | (4) 256K x | (1) 256K x | (1) 512K x |
| | | 9 | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 8MB | None | None | (1) 1M x | (1) 1M x |
| | | | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 8MB | None | None | (1) 2M x | None |
| | | | 36 | |
|------+-------------+-------------+------------+------------|
| 9MB | None | None | (1) 256K x | (1) 2M x |
| | | | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 9MB | None | None | (1) 2M x | (1) 256K x |
| | | | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 10MB | None | None | (1) 512K x | (1) 2M x |
| | | | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 10MB | None | None | (1) 2M x | (1) 512K x |
| | | | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 11MB | (4) 256K x | (4) 1M x 9 | (1) 1M x | (1) 512K x |
| | 9 | | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 12MB | None | None | (1) 1M x | (1) 2M x |
| | | | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 12MB | None | None | (1) 2M x | (1) 1M x |
| | | | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 13MB | (4) 1M x 9 | (4) 1M x 9 | (1) 256K x | (1) 1M x |
| | | | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 16MB | (4) 4M x 9 | None | None | None |
|------+-------------+-------------+------------+------------|
| 16MB | None | None | (1) 2M x | (1) 2M x |
| | | | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 16MB | None | None | (1) 4M x | None |
| | | | 36 | |
|------+-------------+-------------+------------+------------|
| 17MB | (4) 256K x | (4) 4M x 9 | None | None |
| | 9 | | | |
|------+-------------+-------------+------------+------------|
| 17MB | (4) 4M x 9 | (4) 256K x | None | None |
| | | 9 | | |
|------+-------------+-------------+------------+------------|
| 17MB | None | None | (1) 256K x | (1) 4M x |
| | | | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 17MB | None | None | (1) 4M x | (1) 256K x |
| | | | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 18MB | None | None | (1) 512K x | (1) 4M x |
| | | | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 18MB | None | None | (1) 4M x | (1) 512K x |
| | | | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 20MB | (4) 1M x 9 | (4) 4M x 9 | None | None |
|------+-------------+-------------+------------+------------|
| 20MB | (4) 4M x 9 | (4) 1M x 9 | None | None |
|------+-------------+-------------+------------+------------|
| 20MB | None | None | (1) 1M x | (1) 4M x |
| | | | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 20MB | None | None | (1) 4M x | (1) 1M x |
| | | | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 22MB | (4) 4M x 9 | (4) 1M x 9 | (1) 512K x | None |
| | | | 36 | |
|------+-------------+-------------+------------+------------|
| 24MB | None | None | (1) 2M x | (1) 4M x |
| | | | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 24MB | None | None | (1) 4M x | (1) 2M x |
| | | | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 25MB | (4) 256K x | (4) 4M x 9 | (1) 1M x | (1) 1M x |
| | 9 | | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 25MB | (4) 256K x | None | (1) 4M x | (1) 2M x |
| | 9 | | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 26MB | (4) 4M x 9 | None | (1) 2M x | (1) 512K x |
| | | | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 28MB | (4) 1M x 9 | (4) 4M x 9 | (1) 2M x | None |
| | | | 36 | |
|------+-------------+-------------+------------+------------|
| 29MB | (4) 1M x 9 | (4) 4M x 9 | (1) 256K x | (1) 2M x |
| | | | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 29MB | (4) 4M x 9 | (4) 256K x | (1) 2M x | (1) 1M x |
| | | 9 | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 32MB | (4) 4M x 9 | (4) 4M x 9 | None | None |
|------+-------------+-------------+------------+------------|
| 32MB | None | None | (1) 4M x | (1) 4M x |
| | | | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 32MB | None | None | (1) 8M x | None |
| | | | 36 | |
|------+-------------+-------------+------------+------------|
| 33MB | None | None | (1) 256K x | (1) 8M x |
| | | | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 33MB | None | None | (1) 8M x | (1) 256K x |
| | | | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 34MB | (4) 256K x | (4) 256K x | (1) 4M x | (1) 4M x |
| | 9 | 9 | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 34MB | None | None | (1) 512K x | (1) 8M x |
| | | | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 34MB | None | None | (1) 8M x | (1) 512K x |
| | | | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 35MB | (4) 4M x 9 | (4) 4M x 9 | (1) 512K x | (1) 256K x |
| | | | 36 | 36 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION (CON’T) |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | Bank 2 | Bank 3 |
|------+-------------+-------------+------------+------------|
| 36MB | (4) 4M x 9 | (4) 1M x 9 | (1) 2M x | (1) 2M x |
| | | | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 36MB | None | None | (1) 1M x | (1) 8M x |
| | | | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 36MB | None | None | (1) 8M x | (1) 1M x |
| | | | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 37MB | (4) 1M x 9 | None | (1) 8M x | (1) 256K x |
| | | | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 39MB | (4) 1M x 9 | (4) 256K x | (1) 8M x | (1) 512K x |
| | | 9 | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 40MB | None | None | (1) 2M x | (1) 8M x |
| | | | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 40MB | None | None | (1) 8M x | (1) 2M x |
| | | | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 41MB | (4) 1M x 9 | (4) 256K x | (1) 1M x | (1) 8M x |
| | | 9 | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 44MB | (4) 1M x 9 | (4) 1M x 9 | (1) 8M x | (1) 1M x |
| | | | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 48MB | None | None | (1) 4M x | (1) 8M x |
| | | | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 48MB | None | None | (1) 8M x | (1) 4M x |
| | | | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 49MB | (4) 4M x 9 | None | (1) 256K x | (1) 8M x |
| | | | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 53MB | (4) 256K x | (4) 1M x 9 | (1) 4M x | (1) 8M x |
| | 9 | | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 56MB | (4) 4M x 9 | (4) 4M x 9 | (1) 2M x | (1) 4M x |
| | | | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 60MB | (4) 1M x 9 | (4) 4M x 9 | (1) 8M x | (1) 2M x |
| | | | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 64MB | (4) 16M x 9 | None | None | None |
|------+-------------+-------------+------------+------------|
| 64MB | None | None | (1) 8M x | (1) 8M x |
| | | | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 64MB | None | None | (1) 16M x | None |
| | | | 36 | |
|------+-------------+-------------+------------+------------|
| 65MB | (4) 256K x | (4) 16M x 9 | None | None |
| | 9 | | | |
|------+-------------+-------------+------------+------------|
| 65MB | (4) 16M x 9 | (4) 256K x | None | None |
| | | 9 | | |
|------+-------------+-------------+------------+------------|
| 65MB | None | None | (1) 256K x | (1) 16M x |
| | | | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 65MB | None | None | (1) 16M x | (1) 256K x |
| | | | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 66MB | (4) 256K x | (4) 16M x 9 | (1) 256K x | None |
| | 9 | | 36 | |
|------+-------------+-------------+------------+------------|
| 66MB | None | None | (1) 512K x | (1) 16M x |
| | | | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 66MB | None | None | (1) 16M x | (1) 512K x |
| | | | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 68MB | (4) 1M x 9 | (4) 16M x 9 | None | None |
|------+-------------+-------------+------------+------------|
| 68MB | (4) 16M x 9 | (4) 1M x 9 | None | None |
|------+-------------+-------------+------------+------------|
| 68MB | None | None | (1) 1M x | (1) 16M x |
| | | | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 68MB | None | None | (1) 16M x | (1) 1M x |
| | | | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 70MB | (4) 16M x 9 | None | (1) 512K x | (1) 1M x |
| | | | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 72MB | None | None | (1) 2M x | (1) 16M x |
| | | | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 72MB | None | None | (1) 16M x | (1) 2M x |
| | | | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 75MB | (4) 16M x 9 | (4) 256K x | (1) 512K x | (1) 2M x |
| | | 9 | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 76MB | (4) 1M x 9 | (4) 1M x 9 | (1) 1M x | (1) 16M x |
| | | | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 77MB | (4) 1M x 9 | (4) 16M x 9 | (1) 2M x | (1) 256K x |
| | | | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 80MB | (4) 4M x 9 | (4) 16M x 9 | None | None |
|------+-------------+-------------+------------+------------|
| 80MB | (4) 16M x 9 | (4) 4M x 9 | None | None |
|------+-------------+-------------+------------+------------|
| 80MB | (4) 4M x 9 | None | (1) 8M x | (1) 8M x |
| | | | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 80MB | None | None | (1) 4M x | (1) 16M x |
| | | | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 80MB | None | None | (1) 16M x | (1) 4M x |
| | | | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 81MB | (4) 16M x 9 | (4) 256K x | (1) 4M x | None |
| | | 9 | 36 | |
|------+-------------+-------------+------------+------------|
| 82MB | (4) 4M x 9 | (4) 256K x | (1) 256K x | (1) 16M x |
| | | 9 | 36 | 36 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION (CON’T) |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | Bank 2 | Bank 3 |
|-------+-------------+------------+------------+------------|
| 84MB | (4) 4M x 9 | (4) 16M x | (1) 512K x | (1) 512K x |
| | | 9 | 36 | 36 |
|-------+-------------+------------+------------+------------|
| 85MB | (4) 1M x 9 | (4) 16M x | (1) 256K x | (1) 4M x |
| | | 9 | 36 | 36 |
|-------+-------------+------------+------------+------------|
| 85MB | (4) 16M x 9 | (4) 1M x 9 | (1) 4M x | (1) 256K x |
| | | | 36 | 36 |
|-------+-------------+------------+------------+------------|
| 86MB | (4) 16M x 9 | (4) 1M x 9 | (1) 512K x | (1) 4M x |
| | | | 36 | 36 |
|-------+-------------+------------+------------+------------|
| 96MB | None | None | (1) 8M x | (1) 16M x |
| | | | 36 | 36 |
|-------+-------------+------------+------------+------------|
| 96MB | None | None | (1) 16M x | (1) 8M x |
| | | | 36 | 36 |
|-------+-------------+------------+------------+------------|
| 97MB | (4) 256K x | (4) 16M x | (1) 8M x | None |
| | 9 | 9 | 36 | |
|-------+-------------+------------+------------+------------|
| 97MB | (4) 4M x 9 | (4) 4M x 9 | (1) 16M x | (1) 256K x |
| | | | 36 | 36 |
|-------+-------------+------------+------------+------------|
| 98MB | (4) 16M x 9 | (4) 4M x 9 | (1) 4M x | (1) 512K x |
| | | | 36 | 36 |
|-------+-------------+------------+------------+------------|
| 113MB | (4) 4M x 9 | (4) 256K x | (1) 8M x | (1) 16M x |
| | | 9 | 36 | 36 |
|-------+-------------+------------+------------+------------|
| 114MB | (4) 16M x 9 | (4) 4M x 9 | (1) 512K x | (1) 8M x |
| | | | 36 | 36 |
|-------+-------------+------------+------------+------------|
| 120MB | (4) 4M x 9 | (4) 16M x | (1) 2M x | (1) 8M x |
| | | 9 | 36 | 36 |
|-------+-------------+------------+------------+------------|
| 128MB | (4) 16M x 9 | (4) 16M x | None | None |
| | | 9 | | |
|-------+-------------+------------+------------+------------|
| 128MB | None | None | (1) 16M x | (1) 16M x |
| | | | 36 | 36 |
|-------+-------------+------------+------------+------------|
| 132MB | (4) 16M x 9 | None | (1) 16M x | (1) 1M x |
| | | | 36 | 36 |
|-------+-------------+------------+------------+------------|
| 137MB | (4) 16M x 9 | (4) 256K x | (1) 16M x | (1) 2M x |
| | | 9 | 36 | 36 |
|-------+-------------+------------+------------+------------|
| 148MB | (4) 16M x 9 | (4) 16M x | (1) 4M x | (1) 1M x |
| | | 9 | 36 | 36 |
|-------+-------------+------------+------------+------------|
| 148MB | (4) 16M x 9 | (4) 1M x 9 | (1) 16M x | (1) 4M x |
| | | | 36 | 36 |
|-------+-------------+------------+------------+------------|
| 176MB | (4) 16M x 9 | (4) 4M x 9 | (1) 16M x | (1) 8M x |
| | | | 36 | 36 |
|-------+-------------+------------+------------+------------|
| 194MB | (4) 16M x 9 | (4) 16M x | (1) 512K x | (1) 16M x |
| | | 9 | 36 | 36 |
|-------+-------------+------------+------------+------------|
| 256MB | (4) 16M x 9 | (4) 16M x | (1) 16M x | (1) 16M x |
| | | 9 | 36 | 36 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | TAG |
|-------------+---------------+---------------+--------------|
| 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 | JP5 | JP6 | JP7 | JP8 | JP9 | JP10 |
|--------+------------+-------+-------+------+-------+-------|
| 128KB | 1 & 2, 4 & | 1 & 2 | 1 & 2 | Open | 1 & 2 | 1 & 2 |
| | 5 | | | | | |
|--------+------------+-------+-------+------+-------+-------|
| 256KB | 2 & 3, 4 & | 2 & 3 | 2 & 3 | Open | 1 & 2 | 2 & 3 |
| (A) | 5 | | | | | |
|--------+------------+-------+-------+------+-------+-------|
| 256KB | 1 & 2, 3 & | 1 & 2 | 1 & 2 | Open | 1 & 2 | 2 & 3 |
| (B) | 4 | | | | | |
|--------+------------+-------+-------+------+-------+-------|
| 512KB | 2 & 3, 4 & | 2 & 3 | 2 & 3 | Open | 2 & 3 | 2 & 3 |
| (A) | 5 | | | | | |
|--------+------------+-------+-------+------+-------+-------|
| 512KB | 1 & 2, 4 & | 1 & 2 | 1 & 2 | Open | 2 & 3 | 2 & 3 |
| (B) | 5 | | | | | |
|--------+------------+-------+-------+------+-------+-------|
| 1MB | 2 & 3, 4 & | 2 & 3 | 2 & 3 | Open | 2 & 3 | 2 & 3 |
| | 5 | | | | | |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION |
|------------------------------------------------------------|
| Speed | JP25 | JP38 | JP39 | JP40 |
|-----------+-------------------+----------+---------+-------|
| 25MHz | Pins 1 & 2 closed | Open | Open | Open |
|-----------+-------------------+----------+---------+-------|
| 33MHz | Pins 1 & 2 closed | Closed | Closed | Open |
|-----------+-------------------+----------+---------+-------|
| 40MHz | Pins 1 & 2 closed | Closed | Open | Open |
|-----------+-------------------+----------+---------+-------|
| 50iMHz | Pins 1 & 2 closed | Open | Open | Open |
|-----------+-------------------+----------+---------+-------|
| 50MHz | Pins 2 & 3 closed | Open | Closed | Open |
|-----------+-------------------+----------+---------+-------|
| 66iMHz | Pins 1 & 2 closed | Closed | Closed | Open |
|-----------+-------------------+----------+---------+-------|
| 80iMHz | Pins 1 & 2 closed | Closed | Open | Open |
|-----------+-------------------+----------+---------+-------|
| 100iMHz | Pins 1 & 2 closed | Closed | Closed | Open |
|-----------+-------------------+----------+---------+-------|
| 120iMHz | Pins 1 & 2 closed | Closed | Open | Open |
|-----------+-------------------+----------+---------+-------|
| 133iMHz | Pins 1 & 2 closed | Closed | Closed | Open |
|-----------+-------------------+----------+---------+-------|
| 160iMHz | Pins 1 & 2 closed | Closed | Open | Open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU TYPE SELECTION |
|------------------------------------------------------------|
| Type | JP12 | JP13 | JP14 | JP15 | JP16 |
|-------------------+-------+-------+-------+-------+--------|
| 80486SX | 2 & 3 | Open | 2 & 3 | Open | 3 & 4 |
|-------------------+-------+-------+-------+-------+--------|
| CX486DX(3.45v) | 2 & 3 | 2 & 3 | 1 & 2 | 2 & 3 | 2 & 3 |
|-------------------+-------+-------+-------+-------+--------|
| CX486DX(5v) | 2 & 3 | 2 & 3 | 1 & 2 | 2 & 3 | 2 & 3 |
|-------------------+-------+-------+-------+-------+--------|
| AM486DX(V8T) | 2 & 3 | 2 & 3 | 2 & 3 | Open | 3 & 4 |
|-------------------+-------+-------+-------+-------+--------|
| 80486DX | 2 & 3 | 2 & 3 | 2 & 3 | Open | 3 & 4 |
|-------------------+-------+-------+-------+-------+--------|
| CX486DX2(3.45v) | 2 & 3 | 2 & 3 | 1 & 2 | 2 & 3 | 2 & 3 |
|-------------------+-------+-------+-------+-------+--------|
| CX486DX2(5v) | 2 & 3 | 2 & 3 | 1 & 2 | 2 & 3 | 2 & 3 |
|-------------------+-------+-------+-------+-------+--------|
| AM486DX2(V8T) | 2 & 3 | 2 & 3 | 2 & 3 | Open | 3 & 4 |
|-------------------+-------+-------+-------+-------+--------|
| 80486DX2 | 2 & 3 | 2 & 3 | 2 & 3 | Open | 3 & 4 |
|-------------------+-------+-------+-------+-------+--------|
| CX486DX4(3.45v) | 2 & 3 | 2 & 3 | 1 & 2 | 2 & 3 | 2 & 3 |
|-------------------+-------+-------+-------+-------+--------|
| CX486DX4(5v) | 2 & 3 | 2 & 3 | 1 & 2 | 2 & 3 | 2 & 3 |
|-------------------+-------+-------+-------+-------+--------|
| AM486DX4(V8T) | 2 & 3 | 2 & 3 | 2 & 3 | Open | 3 & 4 |
|-------------------+-------+-------+-------+-------+--------|
| AM486DX4-100(V8B) | 1 & 2 | 2 & 3 | 2 & 3 | Open | 1 & 2, |
| | | | | | 3 & 4 |
|-------------------+-------+-------+-------+-------+--------|
| AM486DX4-100(V8T) | 2 & 3 | 2 & 3 | 2 & 3 | Open | 3 & 4 |
|-------------------+-------+-------+-------+-------+--------|
| AM486DX4-120(V8B) | 1 & 2 | 2 & 3 | 2 & 3 | Open | 1 & 2, |
| | | | | | 3 & 4 |
|-------------------+-------+-------+-------+-------+--------|
| AM486DX4-120(V8T) | 2 & 3 | 2 & 3 | 2 & 3 | Open | 3 & 4 |
|-------------------+-------+-------+-------+-------+--------|
| AM486DX4-133(V8T) | 2 & 3 | 2 & 3 | 2 & 3 | Open | 3 & 4 |
|-------------------+-------+-------+-------+-------+--------|
| 80486DX4 | 2 & 3 | 2 & 3 | 2 & 3 | Open | 3 & 4 |
|-------------------+-------+-------+-------+-------+--------|
| P24D | 1 & 2 | 2 & 3 | 2 & 3 | Open | 1 & 2, |
| | | | | | 3 & 4 |
|-------------------+-------+-------+-------+-------+--------|
| P24T | 1 & 2 | 1 & 2 | 2 & 3 | 1 & 2 | 3 & 4 |
|-------------------+-------+-------+-------+-------+--------|
| CX5X86-100 | 2 & 3 | 2 & 3 | 2 & 3 | Open | 1 & 2, |
| | | | | | 3 & 4 |
|-------------------+-------+-------+-------+-------+--------|
| CX5X86-120 | 2 & 3 | 2 & 3 | 2 & 3 | Open | 1 & 2, |
| | | | | | 3 & 4 |
|-------------------+-------+-------+-------+-------+--------|
| CX5X86-133 | 2 & 3 | 2 & 3 | 2 & 3 | Open | 1 & 2, |
| | | | | | 3 & 4 |
|-------------------+-------+-------+-------+-------+--------|
| AM X5-133 | 1 & 2 | 2 & 3 | 2 & 3 | Open | 1 & 2, |
| | | | | | 3 & 4 |
|-------------------+-------+-------+-------+-------+--------|
| AM X5-160 | 1 & 2 | 2 & 3 | 2 & 3 | Open | 1 & 2, |
| | | | | | 3 & 4 |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU TYPE SELECTION (CON’T) |
|------------------------------------------------------------|
| Type | JP17 | JP18 | JP19 | JP20 |
|-------------------+--------------+--------+--------+-------|
| 80486SX | 3 & 4 | Open | Open | Open |
|-------------------+--------------+--------+--------+-------|
| CX486DX(3.45v) | 2 & 3, 4 & 5 | Open | Open | Open |
|-------------------+--------------+--------+--------+-------|
| CX486DX(5v) | 2 & 3 | Open | Open | Open |
|-------------------+--------------+--------+--------+-------|
| AM486DX(V8T) | 3 & 4 | 2 & 3 | Open | Open |
|-------------------+--------------+--------+--------+-------|
| 80486DX | 3 & 4 | 2 & 3 | Open | Open |
|-------------------+--------------+--------+--------+-------|
| CX486DX2(3.45v) | 2 & 3, 4 & 5 | Open | Open | Open |
|-------------------+--------------+--------+--------+-------|
| CX486DX2(5v) | 2 & 3 | Open | Open | Open |
|-------------------+--------------+--------+--------+-------|
| AM486DX2(V8T) | 3 & 4 | 2 & 3 | Open | Open |
|-------------------+--------------+--------+--------+-------|
| 80486DX2 | 3 & 4 | 2 & 3 | Open | Open |
|-------------------+--------------+--------+--------+-------|
| CX486DX4(3.45v) | 2 & 3, 4 & 5 | Open | Open | Open |
|-------------------+--------------+--------+--------+-------|
| CX486DX4(5v) | 2 & 3 | Open | Open | Open |
|-------------------+--------------+--------+--------+-------|
| AM486DX4(V8T) | 3 & 4 | 2 & 3 | Open | Open |
|-------------------+--------------+--------+--------+-------|
| AM486DX4-100(V8B) | 1 & 2, 3 & 4 | 1 & 2 | Open | 1 & 2 |
|-------------------+--------------+--------+--------+-------|
| AM486DX4-100(V8T) | 3 & 4 | Open | Open | Open |
|-------------------+--------------+--------+--------+-------|
| AM486DX4-120(V8B) | 1 & 2, 3 & 4 | 1 & 2 | Open | 1 & 2 |
|-------------------+--------------+--------+--------+-------|
| AM486DX4-120(V8T) | 3 & 4 | Open | Open | Open |
|-------------------+--------------+--------+--------+-------|
| AM486DX4-133(V8T) | 3 & 4 | 2 & 3 | Open | Open |
|-------------------+--------------+--------+--------+-------|
| 80486DX4 | 3 & 4 | 2 & 3 | Open | Open |
|-------------------+--------------+--------+--------+-------|
| P24D | 1 & 2 | 1 & 2 | Open | 1 & 2 |
|-------------------+--------------+--------+--------+-------|
| P24T | 1 & 2 | Open | Open | Open |
|-------------------+--------------+--------+--------+-------|
| CX5X86-100 | 1 & 2, 3 & 4 | 1 & 2 | Open | 1 & 2 |
|-------------------+--------------+--------+--------+-------|
| CX5X86-120 | 1 & 2, 3 & 4 | 1 & 2 | Open | 1 & 2 |
|-------------------+--------------+--------+--------+-------|
| CX5X86-133 | 1 & 2, 3 & 4 | 1 & 2 | 2 & 3 | 1 & 2 |
|-------------------+--------------+--------+--------+-------|
| AM X5-133 | 1 & 2, 3 & 4 | 1 & 2 | 2 & 3 | 1 & 2 |
|-------------------+--------------+--------+--------+-------|
| AM X5-160 | 1 & 2, 3 & 4 | 1 & 2 | 2 & 3 | 1 & 2 |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU TYPE SELECTION (CON’T) |
|------------------------------------------------------------|
| Type | JP21 | JP22 | JP23 | JP24 |
|-------------------+------------+-----------+-------+-------|
| 80486SX | Open | 2 & 3 | 4 & 5 | Open |
|-------------------+------------+-----------+-------+-------|
| CX486DX(3.45v) | Open | 1 & 2, 3 | 2 & 3 | Open |
| | | & 4 | | |
|-------------------+------------+-----------+-------+-------|
| CX486DX(5v) | Open | 1 & 2, 3 | 2 & 3 | Open |
| | | & 4 | | |
|-------------------+------------+-----------+-------+-------|
| AM486DX(V8T) | Open | 1 & 2, 3 | 4 & 5 | Open |
| | | & 4 | | |
|-------------------+------------+-----------+-------+-------|
| 80486DX | Open | 1 & 2, 3 | 4 & 5 | Open |
| | | & 4 | | |
|-------------------+------------+-----------+-------+-------|
| CX486DX2(3.45v) | Open | 1 & 2, 3 | 2 & 3 | Open |
| | | & 4 | | |
|-------------------+------------+-----------+-------+-------|
| CX486DX2(5v) | Open | 1 & 2, 3 | 2 & 3 | Open |
| | | & 4 | | |
|-------------------+------------+-----------+-------+-------|
| AM486DX2(V8T) | Open | 1 & 2, 3 | 4 & 5 | Open |
| | | & 4 | | |
|-------------------+------------+-----------+-------+-------|
| 80486DX2 | Open | 1 & 2, 3 | 4 & 5 | Open |
| | | & 4 | | |
|-------------------+------------+-----------+-------+-------|
| CX486DX4(3.45v) | Open | 1 & 2, 3 | 2 & 3 | Open |
| | | & 4 | | |
|-------------------+------------+-----------+-------+-------|
| CX486DX4(5v) | Open | 1 & 2, 3 | 2 & 3 | Open |
| | | & 4 | | |
|-------------------+------------+-----------+-------+-------|
| AM486DX4(V8T) | Open | 1 & 2, 3 | 4 & 5 | Open |
| | | & 4 | | |
|-------------------+------------+-----------+-------+-------|
| AM486DX4-100(V8B) | Open | 1 & 2, 3 | 4 & 5 | 2 & 3 |
| | | & 4 | | |
|-------------------+------------+-----------+-------+-------|
| AM486DX4-100(V8T) | Open | 1 & 2, 3 | 4 & 5 | 2 & 3 |
| | | & 4 | | |
|-------------------+------------+-----------+-------+-------|
| AM486DX4-120(V8B) | Open | 1 & 2, 3 | 4 & 5 | Open |
| | | & 4 | | |
|-------------------+------------+-----------+-------+-------|
| AM486DX4-120(V8T) | Open | 1 & 2, 3 | 4 & 5 | Open |
| | | & 4 | | |
|-------------------+------------+-----------+-------+-------|
| AM486DX4-133(V8T) | Open | 1 & 2, 3 | 4 & 5 | Open |
| | | & 4 | | |
|-------------------+------------+-----------+-------+-------|
| 80486DX4 | Open | 1 & 2, 3 | 4 & 5 | Open |
| | | & 4 | | |
|-------------------+------------+-----------+-------+-------|
| P24D | Open | 1 & 2, 3 | 4 & 5 | 2 & 3 |
| | | & 4 | | |
|-------------------+------------+-----------+-------+-------|
| P24T | 1 & 2 or 3 | 1 & 2, 3 | 1 & 2 | Open |
| | & 4 | & 4 | | |
|-------------------+------------+-----------+-------+-------|
| CX5X86-100 | Open | 1 & 2, 3 | 4 & 5 | 2 & 3 |
| | | & 4 | | |
|-------------------+------------+-----------+-------+-------|
| CX5X86-120 | Open | 1 & 2, 3 | 4 & 5 | 2 & 3 |
| | | & 4 | | |
|-------------------+------------+-----------+-------+-------|
| CX5X86-133 | Open | 1 & 2, 3 | 4 & 5 | 2 & 3 |
| | | & 4 | | |
|-------------------+------------+-----------+-------+-------|
| AM X5-133 | Open | 1 & 2, 3 | 4 & 5 | 2 & 3 |
| | | & 4 | | |
|-------------------+------------+-----------+-------+-------|
| AM X5-160 | Open | 1 & 2, 3 | 4 & 5 | 2 & 3 |
| | | & 4 | | |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU VOLTAGE SELECTION |
|------------------------------------------------------------|
| Voltage | JP42 | JP43 | JP44 | JP45 | JP46 | JP48 |
|---------+--------+--------+--------+--------+-------+------|
| 3.3v | Closed | Open | Open | Open | Open | Open |
|---------+--------+--------+--------+--------+-------+------|
| 3.45v | Open | Closed | Open | Open | Open | Open |
|---------+--------+--------+--------+--------+-------+------|
| 3.6v | Open | Open | Closed | Open | Open | Open |
|---------+--------+--------+--------+--------+-------+------|
| 3.75v | Open | Open | Open | Closed | Open | Open |
|---------+--------+--------+--------+--------+-------+------|
| 3.9v | Open | Open | Open | Open |Closed | Open |
|---------+--------+--------+--------+--------+-------+------|
| 5v | Open | Open | Open | Open | Open |1 & 2,|
| | | | | | |3 & 4 |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position.|
| JP48 may not be present on boards that are 5v |
| auto-detect. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DMA CHANNEL SELECTION |
|------------------------------------------------------------|
| Channel | JP36 | JP37 |
|------------------+--------------------+--------------------|
| 1 | Pins 2 & 3 closed | Pins 2 & 3 closed |
|------------------+--------------------+--------------------|
| 3 | Pins 1 & 2 closed | Pins 1 & 2 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BIOS SELECTION |
|------------------------------------------------------------|
| Type | JP52 | JP53 |
|------------------+--------------------+--------------------|
| EEPROM | Pins 2 & 3 closed | Pins 2 & 3 closed |
|------------------+--------------------+--------------------|
| 12v flash | Pins 1 & 2 closed | Pins 1 & 2 closed |
+------------------------------------------------------------+