(TXT) View Source
# EPSON, INC.
ACTION PC 7000, ENDEAVOR 486I
Processor CX486S/80486SX/SL80486SX/SL80486SX2/CX486DX/UMCU5S/
AM486DX/80486DX/SL80486DX/CX486DX2/UMCU5DS/AM486DX2/
SL80486DX2/80486DX2/AM486DX4/80486DX4/SL80486DX4/P24D/P24T
Processor 25/33/40/50(internal)/50/66(internal)/75(internal)/100(internal)MHz
Speed
Chip Set Unidentified
Video Chip Cirrus Logic
Set
Maximum 128MB
Onboard
Memory
Maximum 2MB
Video
Memory
Cache 128/256/512KB
BIOS Phoenix
Dimensions 254mm x 218mm
I/O Floppy drive interface, IDE interfaces (2), parallel port, PS/2
Options mouse port, serial ports (2), VGA feature connector, VGA port,
riser slot
NPU None
Options
(IMG) IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|------------------+----------+-----------------+------------|
| PS/2 mouse port | J3 | IDE interface 2 | J14 |
|------------------+----------+-----------------+------------|
| Serial port 2 | J4 | IDE interface | J15 |
| | | LED | |
|------------------+----------+-----------------+------------|
| Serial port 1 | J5 | Turbo LED | J21/pins 2 |
| | | | & 3 |
|------------------+----------+-----------------+------------|
| Parallel port | J6 | Reset switch | J21/pins 9 |
| | | | & 10 |
|------------------+----------+-----------------+------------|
| VGA port | J7 | Power LED | J21/pins |
| | | | 11 & 13 |
|------------------+----------+-----------------+------------|
| VGA feature | J10 | Speaker | J21/pins |
| connector | | | 17 - 20 |
|------------------+----------+-----------------+------------|
| Floppy drive | J12 | Riser slot | SL1 |
| interface | | | |
|------------------+----------+-----------------+------------|
| IDE interface 1 | J13 | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Label | Position |
|-------------------------------------+-------+--------------|
| » | On board I/O enabled | JP2 | Pins 1 & 2 |
| | | | closed |
|---+---------------------------------+-------+--------------|
| | On board I/O disabled | JP2 | Pins 3 & 4 |
| | | | closed |
|---+---------------------------------+-------+--------------|
| » | Flash BIOS voltage select 12v | JP11 | Pins 2 & 3 |
| | | | closed |
|---+---------------------------------+-------+--------------|
| | Flash BIOS voltage select 5v | JP11 | Pins 1 & 2 |
| | | | closed |
|---+---------------------------------+-------+--------------|
| | BIOS type select EPROM | JP11 | Open |
|---+---------------------------------+-------+--------------|
| » | PCI IDE controller enabled | JP25 | Open |
|---+---------------------------------+-------+--------------|
| | PCI IDE controller disabled | JP25 | Closed |
|---+---------------------------------+-------+--------------|
| » | Factory configured – do not | JP31 | Unidentified |
| | alter | | |
|---+---------------------------------+-------+--------------|
| » | Factory configured – do not | JP35 | Unidentified |
| | alter | | |
|---+---------------------------------+-------+--------------|
| » | CMOS memory normal operation | JP49 | Open |
|---+---------------------------------+-------+--------------|
| | CMOS memory clear | JP49 | Closed |
|---+---------------------------------+-------+--------------|
| » | On board video enabled | JP50 | Pins 1 & 2 |
| | | | closed |
|---+---------------------------------+-------+--------------|
| | On board video disabled | JP50 | Pins 2 & 3 |
| | | | closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | Bank 2 | Bank 3 |
|------+-------------+-------------+------------+------------|
| 2MB | (1) 256K x | (1) 256K x | None | None |
| | 36 | 36 | | |
|------+-------------+-------------+------------+------------|
| 2MB | (1) 512K x | None | None | None |
| | 36 | | | |
|------+-------------+-------------+------------+------------|
| 4MB | (1) 256K x | (1) 256K x | (1) 256K x | (1) 256K x |
| | 36 | 36 | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 4MB | (1) 256K x | (1) 256K x | (1) 512K x | None |
| | 36 | 36 | 36 | |
|------+-------------+-------------+------------+------------|
| 4MB | (1) 512K x | None | (1) 512K x | None |
| | 36 | | 36 | |
|------+-------------+-------------+------------+------------|
| 4MB | (1) 512K x | (1) 512K x | None | None |
| | 36 | 36 | | |
|------+-------------+-------------+------------+------------|
| 4MB | (1) 1M x 36 | None | None | None |
|------+-------------+-------------+------------+------------|
| 6MB | (1) 256K x | (1) 256K x | (1) 512K x | (1) 512K x |
| | 36 | 36 | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 6MB | (1) 256K x | (1) 256K x | (1) 1M x | None |
| | 36 | 36 | 36 | |
|------+-------------+-------------+------------+------------|
| 6MB | (1) 512K x | (1) 512K x | (1) 512K x | None |
| | 36 | 36 | 36 | |
|------+-------------+-------------+------------+------------|
| 6MB | (1) 512K x | (1) 512K x | (1) 256K x | (1) 256K x |
| | 36 | 36 | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 8MB | (1) 512K x | (1) 512K x | (1) 512K x | (1) 512K x |
| | 36 | 36 | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 8MB | (1) 512K x | (1) 512K x | (1) 1M x | None |
| | 36 | 36 | 36 | |
|------+-------------+-------------+------------+------------|
| 8MB | (1) 1M x 36 | None | (1) 1M x | None |
| | | | 36 | |
|------+-------------+-------------+------------+------------|
| 8MB | (1) 1M x 36 | (1) 1M x 36 | None | None |
|------+-------------+-------------+------------+------------|
| 8MB | (1) 2M x 36 | None | None | None |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION (CON’T) |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | Bank 2 | Bank 3 |
|------+-------------+-------------+------------+------------|
| 10MB | (1) 256K x | (1) 256K x | (1) 1M x | (1) 1M x |
| | 36 | 36 | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 10MB | (1) 256K x | (1) 256K x | (1) 2M x | None |
| | 36 | 36 | 36 | |
|------+-------------+-------------+------------+------------|
| 10MB | (1) 1M x 36 | (1) 1M x 36 | (1) 256K x | (1) 256K x |
| | | | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 10MB | (1) 1M x 36 | (1) 1M x 36 | (1) 512K x | None |
| | | | 36 | |
|------+-------------+-------------+------------+------------|
| 12MB | (1) 512K x | (1) 512K x | (1) 1M x | (1) 1M x |
| | 36 | 36 | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 12MB | (1) 512K x | (1) 512K x | (1) 2M x | None |
| | 36 | 36 | 36 | |
|------+-------------+-------------+------------+------------|
| 12MB | (1) 1M x 36 | (1) 1M x 36 | (1) 1M x | None |
| | | | 36 | |
|------+-------------+-------------+------------+------------|
| 12MB | (1) 1M x 36 | (1) 1M x 36 | (1) 512K x | (1) 512K x |
| | | | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 16MB | (1) 1M x 36 | (1) 1M x 36 | (1) 1M x | (1) 1M x |
| | | | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 16MB | (1) 1M x 36 | (1) 1M x 36 | (1) 2M x | None |
| | | | 36 | |
|------+-------------+-------------+------------+------------|
| 16MB | (1) 2M x 36 | None | (1) 2M x | None |
| | | | 36 | |
|------+-------------+-------------+------------+------------|
| 16MB | (1) 2M x 36 | (1) 2M x 36 | None | None |
|------+-------------+-------------+------------+------------|
| 16MB | (1) 4M x 36 | None | None | None |
|------+-------------+-------------+------------+------------|
| 18MB | (1) 256K x | (1) 256K x | (1) 2M x | (1) 2M x |
| | 36 | 36 | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 18MB | (1) 256K x | (1) 256K x | (1) 4M x | None |
| | 36 | 36 | 36 | |
|------+-------------+-------------+------------+------------|
| 18MB | (1) 2M x 36 | (1) 2M x 36 | (1) 256K x | (1) 256K x |
| | | | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 18MB | (1) 2M x 36 | (1) 2M x 36 | (1) 512K x | None |
| | | | 36 | |
|------+-------------+-------------+------------+------------|
| 20MB | (1) 512K x | (1) 512K x | (1) 2M x | (1) 2M x |
| | 36 | 36 | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 20MB | (1) 512K x | (1) 512K x | (1) 4M x | None |
| | 36 | 36 | 36 | |
|------+-------------+-------------+------------+------------|
| 20MB | (1) 2M x 36 | (1) 2M x 36 | (1) 512K x | (1) 512K x |
| | | | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 20MB | (1) 2M x 36 | (1) 2M x 36 | (1) 1M x | None |
| | | | 36 | |
|------+-------------+-------------+------------+------------|
| 24MB | (1) 1M x 36 | (1) 1M x 36 | (1) 2M x | (1) 2M x |
| | | | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 24MB | (1) 1M x 36 | (1) 1M x 36 | (1) 4M x | None |
| | | | 36 | |
|------+-------------+-------------+------------+------------|
| 24MB | (1) 2M x 36 | (1) 2M x 36 | (1) 2M x | None |
| | | | 36 | |
|------+-------------+-------------+------------+------------|
| 24MB | (1) 2M x 36 | (1) 2M x 36 | (1) 1M x | (1) 1M x |
| | | | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 32MB | (1) 2M x 36 | (1) 2M x 36 | (1) 2M x | (1) 2M x |
| | | | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 32MB | (1) 2M x 36 | (1) 2M x 36 | (1) 4M x | None |
| | | | 36 | |
|------+-------------+-------------+------------+------------|
| 32MB | (1) 4M x 36 | None | (1) 4M x | None |
| | | | 36 | |
|------+-------------+-------------+------------+------------|
| 32MB | (1) 4M x 36 | (1) 4M x 36 | None | None |
|------+-------------+-------------+------------+------------|
| 32MB | (1) 8M x 36 | None | None | None |
|------+-------------+-------------+------------+------------|
| 34MB | (1) 256K x | (1) 256K x | (1) 4M x | (1) 4M x |
| | 36 | 36 | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 34MB | (1) 256K x | (1) 256K x | (1) 8M x | None |
| | 36 | 36 | 36 | |
|------+-------------+-------------+------------+------------|
| 34MB | (1) 4M x 36 | (1) 4M x 36 | (1) 256K x | (1) 256K x |
| | | | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 34MB | (1) 4M x 36 | (1) 4M x 36 | (1) 512K x | None |
| | | | 36 | |
|------+-------------+-------------+------------+------------|
| 36MB | (1) 512K x | (1) 512K x | (1) 4M x | (1) 4M x |
| | 36 | 36 | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 36MB | (1) 512K x | (1) 512K x | (1) 8M x | None |
| | 36 | 36 | 36 | |
|------+-------------+-------------+------------+------------|
| 36MB | (1) 4M x 36 | (1) 4M x 36 | (1) 512K x | (1) 512K x |
| | | | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 36MB | (1) 4M x 36 | (1) 4M x 36 | (1) 1M x | None |
| | | | 36 | |
|------+-------------+-------------+------------+------------|
| 40MB | (1) 1M x 36 | (1) 1M x 36 | (1) 4M x | (1) 4M x |
| | | | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 40MB | (1) 1M x 36 | (1) 1M x 36 | (1) 8M x | None |
| | | | 36 | |
|------+-------------+-------------+------------+------------|
| 40MB | (1) 4M x 36 | (1) 4M x 36 | (1) 1M x | (1) 1M x |
| | | | 36 | 36 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION (CON’T) |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | Bank 2 | Bank 3 |
|-------+-------------+------------+------------+------------|
| 40MB | (1) 4M x 36 | (1) 4M x | (1) 2M x | None |
| | | 36 | 36 | |
|-------+-------------+------------+------------+------------|
| 48MB | (1) 2M x 36 | (1) 2M x | (1) 4M x | (1) 4M x |
| | | 36 | 36 | 36 |
|-------+-------------+------------+------------+------------|
| 48MB | (1) 2M x 36 | (1) 2M x | (1) 8M x | None |
| | | 36 | 36 | |
|-------+-------------+------------+------------+------------|
| 48MB | (1) 4M x 36 | (1) 4M x | (1) 4M x | None |
| | | 36 | 36 | |
|-------+-------------+------------+------------+------------|
| 48MB | (1) 4M x 36 | (1) 4M x | (1) 2M x | (1) 2M x |
| | | 36 | 36 | 36 |
|-------+-------------+------------+------------+------------|
| 64MB | (1) 4M x 36 | (1) 4M x | (1) 4M x | (1) 4M x |
| | | 36 | 36 | 36 |
|-------+-------------+------------+------------+------------|
| 64MB | (1) 4M x 36 | (1) 4M x | (1) 8M x | None |
| | | 36 | 36 | |
|-------+-------------+------------+------------+------------|
| 64MB | (1) 8M x 36 | None | (1) 8M x | None |
| | | | 36 | |
|-------+-------------+------------+------------+------------|
| 64MB | (1) 8M x 36 | (1) 8M x | None | None |
| | | 36 | | |
|-------+-------------+------------+------------+------------|
| 66MB | (1) 256K x | (1) 256K x | (1) 8M x | (1) 8M x |
| | 36 | 36 | 36 | 36 |
|-------+-------------+------------+------------+------------|
| 66MB | (1) 8M x 36 | (1) 8M x | (1) 256K x | (1) 256K x |
| | | 36 | 36 | 36 |
|-------+-------------+------------+------------+------------|
| 66MB | (1) 8M x 36 | (1) 8M x | (1) 512K x | None |
| | | 36 | 36 | |
|-------+-------------+------------+------------+------------|
| 68MB | (1) 8M x 36 | (1) 8M x | (1) 512K x | (1) 512K x |
| | | 36 | 36 | 36 |
|-------+-------------+------------+------------+------------|
| 68MB | (1) 8M x 36 | (1) 8M x | (1) 1M x | None |
| | | 36 | 36 | |
|-------+-------------+------------+------------+------------|
| 72MB | (1) 1M x 36 | (1) 1M x | (1) 8M x | (1) 8M x |
| | | 36 | 36 | 36 |
|-------+-------------+------------+------------+------------|
| 72MB | (1) 8M x 36 | (1) 8M x | (1) 1M x | (1) 1M x |
| | | 36 | 36 | 36 |
|-------+-------------+------------+------------+------------|
| 72MB | (1) 8M x 36 | (1) 8M x | (1) 2M x | None |
| | | 36 | 36 | |
|-------+-------------+------------+------------+------------|
| 80MB | (1) 2M x 36 | (1) 2M x | (1) 8M x | (1) 8M x |
| | | 36 | 36 | 36 |
|-------+-------------+------------+------------+------------|
| 80MB | (1) 8M x 36 | (1) 8M x | (1) 2M x | (1) 2M x |
| | | 36 | 36 | 36 |
|-------+-------------+------------+------------+------------|
| 80MB | (1) 8M x 36 | (1) 8M x | (1) 4M x | None |
| | | 36 | 36 | |
|-------+-------------+------------+------------+------------|
| 96MB | (1) 4M x 36 | (1) 4M x | (1) 8M x | (1) 8M x |
| | | 36 | 36 | 36 |
|-------+-------------+------------+------------+------------|
| 96MB | (1) 8M x 36 | (1) 8M x | (1) 4M x | (1) 4M x |
| | | 36 | 36 | 36 |
|-------+-------------+------------+------------+------------|
| 96MB | (1) 8M x 36 | (1) 8M x | (1) 8M x | None |
| | | 36 | 36 | |
|-------+-------------+------------+------------+------------|
| 128MB | (1) 8M x 36 | (1) 8M x | (1) 8M x | (1) 8M x |
| | | 36 | 36 | 36 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | TAG |
|-------------+---------------+---------------+--------------|
| 128KB | (4) 32K x 8 | None | (1) 32K x 8 |
|-------------+---------------+---------------+--------------|
| 256KB | (4) 32K x 8 | (4) 32K x 8 | (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 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE JUMPER CONFIGURATION |
|------------------------------------------------------------|
| Size | JP41 | JP42 | JP43 | JP46 | JP47 | JP48 |
|-----------+-------+-------+-------+--------+--------+------|
| 128KB | Open | 2 & 3 | 1 & 2 | Open | Open | Open |
|-----------+-------+-------+-------+--------+--------+------|
| 256KB | Open | 1 & 2 | 2 & 3 | Closed | Open | Open |
|-----------+-------+-------+-------+--------+--------+------|
| 512KB (A) | Open | 1 & 2 | 2 & 3 | Closed | Closed | Open |
|-----------+-------+-------+-------+--------+--------+------|
| 512KB (B) | 1 & 2 | 2 & 3 | 2 & 3 | Closed | Closed | Open |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| VIDEO MEMORY CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 |
|----------------+------------------+------------------------|
| 1MB | 1MB | None |
|----------------+------------------+------------------------|
| 2MB | 1MB | (2) 256K x 16 |
|------------------------------------------------------------|
| Note: Bank 0 is factory installed and is not configurable. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION |
|------------------------------------------------------------|
| Speed | JP6 |
|--------------------------+---------------------------------|
| 25MHz | Pins 1 & 2 closed |
|--------------------------+---------------------------------|
| 33MHz | Pins 1 & 2, 3 & 4, 5 & 6 closed |
|--------------------------+---------------------------------|
| 40MHz | Pins 1 & 2, 3 & 4 closed |
|--------------------------+---------------------------------|
| 50iMHz | Pins 1 & 2 closed |
|--------------------------+---------------------------------|
| 50MHz | Pins 5 & 6 closed |
|--------------------------+---------------------------------|
| 66iMHz | Pins 1 & 2, 3 & 4, 5 & 6 closed |
|--------------------------+---------------------------------|
| 75iMHz | Pins 1 & 2 closed |
|--------------------------+---------------------------------|
| 100iMHz | Pins 1 & 2, 3 & 4, 5 & 6 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU TYPE SELECTION |
|------------------------------------------------------------|
| Type | JP19 | JP22 | JP23 | JP28 | JP29 |
|-------------+---------+---------+--------+--------+--------|
| CX486S | 1 & 2 | 2 & 3 | 2 & 3 | Open | Open |
|-------------+---------+---------+--------+--------+--------|
| 80486SX | Open | 1 & 2 | Open | Open | Open |
|-------------+---------+---------+--------+--------+--------|
| SL80486SX | 1 & 2 | 2 & 3 | Open | Open | Open |
|-------------+---------+---------+--------+--------+--------|
| SL80486SX2 | 1 & 2 | 2 & 3 | Open | Open | Open |
|-------------+---------+---------+--------+--------+--------|
| CX486DX | 1 & 2 | 2 & 3 | 2 & 3 | Open | Open |
|-------------+---------+---------+--------+--------+--------|
| UMC U5S | 2 & 3 | 1 & 2 | Open | Open | Open |
|-------------+---------+---------+--------+--------+--------|
| AM486DX | Open | 1 & 2 | Open | Open | Open |
|-------------+---------+---------+--------+--------+--------|
| 80486DX | Open | 1 & 2 | Open | Open | Open |
|-------------+---------+---------+--------+--------+--------|
| SL80486DX | 1 & 2 | 2 & 3 | Open | Open | Open |
|-------------+---------+---------+--------+--------+--------|
| CX486DX2 | 1 & 2 | 2 & 3 | 2 & 3 | Open | Open |
|-------------+---------+---------+--------+--------+--------|
| UMC U5DS | 2 & 3 | 1 & 2 | Open | Open | Open |
|-------------+---------+---------+--------+--------+--------|
| AM486DX2 | Open | 1 & 2 | Open | Open | Open |
|-------------+---------+---------+--------+--------+--------|
| SL80486DX2 | 1 & 2 | 2 & 3 | Open | Open | Open |
|-------------+---------+---------+--------+--------+--------|
| 80486DX2 | Open | 1 & 2 | Open | Open | Open |
|-------------+---------+---------+--------+--------+--------|
| AM486DX4 | Open | 1 & 2 | Open | Open | Open |
|-------------+---------+---------+--------+--------+--------|
| 80486DX4 | Open | 1 & 2 | Open | Open | Open |
|-------------+---------+---------+--------+--------+--------|
| SL80486DX4 | 1 & 2 | 2 & 3 | Open | Open | Open |
|-------------+---------+---------+--------+--------+--------|
| P24D | 1 & 2 | 2 & 3 | Open | Open | Open |
|-------------+---------+---------+--------+--------+--------|
| P24T | 1 & 2 | 2 & 3 | 1 & 2 | Closed | Closed |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU TYPE SELECTION (CON’T) |
|------------------------------------------------------------|
| Type | JP33 | JP34 | JP36 | JP37 | JP38 |
|------------+------------+--------+--------+-------+--------|
| CX486S | 1 & 2, 3 & | 2 & 3 | 2 & 3 | 1 & 2 | Open |
| | 4 | | | | |
|------------+------------+--------+--------+-------+--------|
| 80486SX | Open | Open | 2 & 3 | Open | Open |
|------------+------------+--------+--------+-------+--------|
| SL80486SX | 2 & 3, 4 & | 1 & 2 | 2 & 3 | Open | Open |
| | 5 | | | | |
|------------+------------+--------+--------+-------+--------|
| SL80486SX2 | 2 & 3, 4 & | 1 & 2 | 2 & 3 | Open | Open |
| | 5 | | | | |
|------------+------------+--------+--------+-------+--------|
| CX486DX | 1 & 2, 3 & | 2 & 3 | 1 & 2, | 2 & 3 | Open |
| | 4 | | 3 & 4 | | |
|------------+------------+--------+--------+-------+--------|
| UMC U5S | Open | Open | 2 & 3 | 3 & 4 | Open |
|------------+------------+--------+--------+-------+--------|
| AM486DX | Open | Open | 1 & 2, | Open | Open |
| | | | 3 & 4 | | |
|------------+------------+--------+--------+-------+--------|
| 80486DX | Open | Open | 1 & 2, | Open | Open |
| | | | 3 & 4 | | |
|------------+------------+--------+--------+-------+--------|
| SL80486DX | 2 & 3, 4 & | 1 & 2 | 1 & 2, | Open | Open |
| | 5 | | 3 & 4 | | |
|------------+------------+--------+--------+-------+--------|
| CX486DX2 | 1 & 2, 3 & | 2 & 3 | 1 & 2, | 2 & 3 | Open |
| | 4 | | 3 & 4 | | |
|------------+------------+--------+--------+-------+--------|
| UMC U5DS | Open | Open | 1 & 2, | 3 & 4 | Open |
| | | | 3 & 4 | | |
|------------+------------+--------+--------+-------+--------|
| AM486DX2 | Open | Open | 1 & 2, | Open | Open |
| | | | 3 & 4 | | |
|------------+------------+--------+--------+-------+--------|
| SL80486DX2 | 2 & 3, 4 & | 1 & 2 | 1 & 2, | Open | Open |
| | 5 | | 3 & 4 | | |
|------------+------------+--------+--------+-------+--------|
| 80486DX2 | Open | Open | 1 & 2, | Open | Open |
| | | | 3 & 4 | | |
|------------+------------+--------+--------+-------+--------|
| AM486DX4 | Open | Open | 1 & 2, | Open | Open |
| | | | 3 & 4 | | |
|------------+------------+--------+--------+-------+--------|
| 80486DX4 | Open | Open | 1 & 2, | Open | Open |
| | | | 3 & 4 | | |
|------------+------------+--------+--------+-------+--------|
| SL80486DX4 | 2 & 3, 4 & | 1 & 2 | 1 & 2, | Open | Open |
| | 5 | | 3 & 4 | | |
|------------+------------+--------+--------+-------+--------|
| P24D | 2 & 3, 4 & | 1 & 2, | 1 & 2, | Open | Closed |
| | 5 | 3 & 4 | 3 & 4 | | |
|------------+------------+--------+--------+-------+--------|
| P24T | 2 & 3, 4 & | 1 & 2 | 1 & 2, | 2 & 3 | Open |
| | 5 | | 3 & 4 | | |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU TYPE SELECTION (CON’T) |
|------------------------------------------------------------|
| Type | JP39 | JP40 | JP44 | JP45 |
|--------------+---------------+---------+---------+---------|
| CX486S | Open | 2 & 3 | 2 & 3 | 1 & 2 |
|--------------+---------------+---------+---------+---------|
| 80486SX | Open | Open | 1 & 2 | 1 & 2 |
|--------------+---------------+---------+---------+---------|
| SL80486SX | Open | Open | 1 & 2 | 1 & 2 |
|--------------+---------------+---------+---------+---------|
| SL80486SX2 | Open | Open | 1 & 2 | 1 & 2 |
|--------------+---------------+---------+---------+---------|
| CX486DX | 1 & 2 | 2 & 3 | 2 & 3 | 1 & 2 |
|--------------+---------------+---------+---------+---------|
| UMC U5S | 1 & 2, 3 & 4 | Open | 1 & 2 | 2 & 3 |
|--------------+---------------+---------+---------+---------|
| AM486DX | 1 & 2 | Open | 1 & 2 | 1 & 2 |
|--------------+---------------+---------+---------+---------|
| 80486DX | 1 & 2 | Open | 1 & 2 | 1 & 2 |
|--------------+---------------+---------+---------+---------|
| SL80486DX | 1 & 2 | Open | 1 & 2 | 1 & 2 |
|--------------+---------------+---------+---------+---------|
| CX486DX2 | 1 & 2 | 2 & 3 | 2 & 3 | 1 & 2 |
|--------------+---------------+---------+---------+---------|
| UMC U5DS | 1 & 2, 3 & 4 | Open | 1 & 2 | 2 & 3 |
|--------------+---------------+---------+---------+---------|
| AM486DX2 | 1 & 2 | Open | 1 & 2 | 1 & 2 |
|--------------+---------------+---------+---------+---------|
| SL80486DX2 | 1 & 2 | Open | 1 & 2 | 1 & 2 |
|--------------+---------------+---------+---------+---------|
| 80486DX2 | 1 & 2 | Open | 1 & 2 | 1 & 2 |
|--------------+---------------+---------+---------+---------|
| AM486DX4 | 1 & 2 | Open | 1 & 2 | 1 & 2 |
|--------------+---------------+---------+---------+---------|
| 80486DX4 | 1 & 2 | Open | 1 & 2 | 1 & 2 |
|--------------+---------------+---------+---------+---------|
| SL80486DX4 | 1 & 2 | Open | 1 & 2 | 1 & 2 |
|--------------+---------------+---------+---------+---------|
| P24D | 1 & 2 | Open | 1 & 2 | 1 & 2 |
|--------------+---------------+---------+---------+---------|
| P24T | 2 & 3 | Open | 1 & 2 | 1 & 2 |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU VOLTAGE SELECTION |
|------------------------------------------------------------|
| Voltage | JP1 |
|------------------+-----------------------------------------|
| 3.3v | Pins 1 & 2 closed |
|------------------+-----------------------------------------|
| 3.45v | Pins 3 & 4 closed |
|------------------+-----------------------------------------|
| 3.6v | Pins 5 & 6 closed |
|------------------+-----------------------------------------|
| 4v | Pins 7 & 8 closed |
|------------------+-----------------------------------------|
| 5v | Remove VRM & jumper all pins in socket. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DMA CHANNEL SELECTION |
|------------------------------------------------------------|
| Channel | JP8 | JP18 |
|------------------+--------------------+--------------------|
| » | 1 | Pins 1 & 2 closed | Pins 2 & 3 closed |
|----+-------------+--------------------+--------------------|
| | 3 | Pins 2 & 3 closed | Pins 1 & 2 closed |
+------------------------------------------------------------+