(TXT) View Source
# ELITEGROUP COMPUTER SYSTEMS, INC.
UP8810/8810A VIO (VER. 1.1)
Processor CX486M6/SL80486SX/80486SX/SL80486SX2/CX486DX/AM486DX/
SL80486DX/80486DX/CX486DX2/AM486DX2/U5S/U5DS/SL80486DX2/
80486DX2/80486DX4/Pentium Overdrive
Processor 25/33/40/50(internal)/50/66(internal)/75(internal)/100(internal)MHz
Speed
Chip Set UMC
Max. 128MB
Onboard
DRAM
Cache 128/256/512KB
BIOS Phoenix
Dimensions 330mm x 218mm
I/O Floppy drive interface, IDE interfaces (2), green PC connector,
Options parallel port, PS/2 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 | J14 |
| | | (secondary) | |
|------------------+----------+-------------------+----------|
| Serial port 2 | J4 | IDE interface LED | J15 |
|------------------+----------+-------------------+----------|
| Serial port 1 | J5 | Power LED & | J16 |
| | | keylock | |
|------------------+----------+-------------------+----------|
| Parallel port | J6 | Speaker | J17 |
|------------------+----------+-------------------+----------|
| VGA port | J7 | Reset switch | J18 |
|------------------+----------+-------------------+----------|
| VGA feature | J10 | Turbo switch | J19 |
| connector | | | |
|------------------+----------+-------------------+----------|
| Green PC | J11 | Turbo LED | J20 |
| connector | | | |
|------------------+----------+-------------------+----------|
| Floppy drive | J12 | Riser Card | SL1 |
| interface | | | |
|------------------+----------+-------------------+----------|
| IDE interface | J13 | | |
| (primary) | | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Jumper | Position |
|--------------------------------------+--------+------------|
| » | On board I/O enabled | JP2 | pins 1 & 2 |
| | | | closed |
|---+----------------------------------+--------+------------|
| | On board I/O disabled | JP2 | pins 2 & 3 |
| | | | closed |
|---+----------------------------------+--------+------------|
| » | ECP mode disabled | JP17 | Open |
|---+----------------------------------+--------+------------|
| | ECP mode enabled | JP17 | Closed |
|---+----------------------------------+--------+------------|
| » | IDE interface enabled | JP25 | Open |
|---+----------------------------------+--------+------------|
| | IDE interface disabled | JP25 | Closed |
|---+----------------------------------+--------+------------|
| » | Secondary INT source select from | JP26 | pins 2 & 3 |
| | chip | | closed |
|---+----------------------------------+--------+------------|
| | Secondary INT source select from | JP26 | pins 1 & 2 |
| | drive | | closed |
|---+----------------------------------+--------+------------|
| » | Primary INT source select from | JP27 | pins 2 & 3 |
| | chip | | closed |
|---+----------------------------------+--------+------------|
| | Primary INT source select from | JP27 | pins 1 & 2 |
| | drive | | closed |
|---+----------------------------------+--------+------------|
| » | VGA GD543X chip enabled | JP50 | pins 1 & 2 |
| | | | closed |
|---+----------------------------------+--------+------------|
| | VGA GD543X chip disabled | JP50 | pins 2 & 3 |
| | | | closed |
|------------------------------------------------------------|
| Note: The location of JP17 is unidentified. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| 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 |
|------+-------------+-------------+------------+------------|
| 40MB | (1) 4M x 36 | (1) 4M x 36 | (1) 2M x | NONE |
| | | | 36 | |
|------+-------------+-------------+------------+------------|
| 48MB | (1) 2M x 36 | (1) 2M x 36 | (1) 4M x | (1) 4M x |
| | | | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 48MB | (1) 2M x 36 | (1) 2M x 36 | (1) 8M x | NONE |
| | | | 36 | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION (CON’T) |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | Bank 2 | Bank 3 |
|-------+-------------+------------+------------+------------|
| 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) 4M x 36 | (1) 4M x | (1) 4M x | (1) 4M x |
| | | 36 | 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) 512K x | NONE | (1) 8M x | (1) 8M x |
| | 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 | (4) 64K x 8 | (4) 64K x 8 | (1) 32K x 8 |
|------------+---------------+---------------+---------------|
| 512KB | (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 | Open | 1 & 2 | 2 & 3 | Closed | Closed | Open |
|--------+--------+--------+--------+--------+--------+------|
| 512KB | 1 & 2 | 2 & 3 | 2 & 3 | Closed | Closed | Open |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU TYPE CONFIGURATION |
|------------------------------------------------------------|
| Type | JP19 | JP22 | JP23 | JP31 |
|-------------+-------------+------------+------------+------|
| CX486M6 | pins 1 & 2 | pins 2 & 3 | pins 2 & 3 | Open |
| | closed | closed | closed | |
|-------------+-------------+------------+------------+------|
| SL80486SX | pins 1 & 2 | pins 2 & 3 | Open | Open |
| | closed | closed | | |
|-------------+-------------+------------+------------+------|
| 80486SX | Open | pins 1 & 2 | Open | Open |
| | | closed | | |
|-------------+-------------+------------+------------+------|
| SL80486SX2 | pins 1 & 2 | pins 2 & 3 | Open | Open |
| | closed | closed | | |
|-------------+-------------+------------+------------+------|
| CX486DX | pins 1 & 2 | pins 2 & 3 | pins 2 & 3 | Open |
| | closed | closed | closed | |
|-------------+-------------+------------+------------+------|
| AM486DX | Open | pins 1 & 2 | Open | Open |
| | | closed | | |
|-------------+-------------+------------+------------+------|
| SL80486DX | pins 1 & 2 | pins 2 & 3 | Open | Open |
| | closed | closed | | |
|-------------+-------------+------------+------------+------|
| 80486DX | Open | pins 1 & 2 | Open | Open |
| | | closed | | |
|-------------+-------------+------------+------------+------|
| CX486DX2 | pins 1 & 2 | pins 2 & 3 | pins 2 & 3 | Open |
| | closed | closed | closed | |
|-------------+-------------+------------+------------+------|
| AM486DX2 | Open | pins 1 & 2 | Open | Open |
| | | closed | | |
|-------------+-------------+------------+------------+------|
| U5S | pins 2 & 3 | pins 1 & 2 | Open | Open |
| | closed | closed | | |
|-------------+-------------+------------+------------+------|
| U5DS | pins 2 & 3 | pins 1 & 2 | Open | Open |
| | closed | closed | | |
|-------------+-------------+------------+------------+------|
| SL80486DX2 | pins 1 & 2 | pins 2 & 3 | Open | Open |
| | closed | closed | | |
|-------------+-------------+------------+------------+------|
| 80486DX2 | Open | pins 1 & 2 | Open | Open |
| | | closed | | |
|-------------+-------------+------------+------------+------|
| 80486DX2 | pins 1 & 2 | pins 2 & 3 | Open | Open |
| (WB) | closed | closed | | |
|-------------+-------------+------------+------------+------|
| 80486DX4 | pins 1 & 2 | pins 2 & 3 | Open | Open |
| | closed | closed | | |
|-------------+-------------+------------+------------+------|
| P24T | pins 1 & 2 | pins 2 & 3 | pins 1 & 2 | Open |
| | closed | closed | closed | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU TYPE CONFIGURATION (CON’T) |
|------------------------------------------------------------|
| Type | JP33 | JP34 | JP36 | JP37 |
|-------------+------------+------------+------------+-------|
| CX486M6 | 1 & 2, 3 & | 2 & 3 | 2 & 3 | 1 & 2 |
| | 4 | | | |
|-------------+------------+------------+------------+-------|
| SL80486SX | 2 & 3, 4 & | 1 & 2 | 2 & 3 | Open |
| | 5 | | | |
|-------------+------------+------------+------------+-------|
| 80486SX | Open | Open | 2 & 3 | Open |
|-------------+------------+------------+------------+-------|
| SL80486SX2 | 2 & 3, 4 & | 1 & 2 | 2 & 3 | Open |
| | 5 | | | |
|-------------+------------+------------+------------+-------|
| CX486DX | 1 & 2, 3 & | 2 & 3 | 1 & 2, 3 & | 2 & 3 |
| | 4 | | 4 | |
|-------------+------------+------------+------------+-------|
| AM486DX | Open | Open | 1 & 2, 3 & | Open |
| | | | 4 | |
|-------------+------------+------------+------------+-------|
| SL80486DX | 2 & 3, 4 & | 1 & 2 | 1 & 2, 3 & | Open |
| | 5 | | 4 | |
|-------------+------------+------------+------------+-------|
| 80486DX | Open | Open | 1 & 2, 3 & | Open |
| | | | 4 | |
|-------------+------------+------------+------------+-------|
| CX486DX2 | 1 & 2, 3 & | 2 & 3 | 1 & 2, 3 & | 2 & 3 |
| | 4 | | 4 | |
|-------------+------------+------------+------------+-------|
| AM486DX2 | Open | Open | 1 & 2, 3 & | Open |
| | | | 4 | |
|-------------+------------+------------+------------+-------|
| U5S | Open | Open | 2 & 3 | 3 & 4 |
|-------------+------------+------------+------------+-------|
| U5DS | Open | Open | 1 & 2, 3 & | 3 & 4 |
| | | | 4 | |
|-------------+------------+------------+------------+-------|
| SL80486DX2 | 2 & 3, 4 & | 1 & 2 | 1 & 2, 3 & | Open |
| | 5 | | 4 | |
|-------------+------------+------------+------------+-------|
| 80486DX2 | Open | Open | 1 & 2, 3 & | Open |
| | | | 4 | |
|-------------+------------+------------+------------+-------|
| 80486DX2 | 2 & 3, 4 & | 1 & 2, 3 & | 1 & 2, 3 & | Open |
| (WB) | 5 | 4 | 4 | |
|-------------+------------+------------+------------+-------|
| 80486DX4 | 2 & 3, 4 & | 1 & 2 | 1 & 2, 3 & | Open |
| | 5 | | 4 | |
|-------------+------------+------------+------------+-------|
| P24T | 2 & 3, 4 & | 1 & 2 | 1 & 2, 3 & | 2 & 3 |
| | 5 | | 4 | |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU TYPE CONFIGURATION (CON’T) |
|------------------------------------------------------------|
| Type | JP38 | JP39 | JP40 | JP44 | JP45 |
|---------------+--------+-----------+-------+-------+-------|
| CX486M6 | Open | Open | 2 & 3 | 2 & 3 | 1 & 2 |
|---------------+--------+-----------+-------+-------+-------|
| SL80486SX | Open | Open | Open | 1 & 2 | 1 & 2 |
|---------------+--------+-----------+-------+-------+-------|
| 80486SX | Open | Open | Open | 1 & 2 | 1 & 2 |
|---------------+--------+-----------+-------+-------+-------|
| SL80486SX2 | Open | Open | Open | 1 & 2 | 1 & 2 |
|---------------+--------+-----------+-------+-------+-------|
| CX486DX | Open | 1 & 2 | 2 & 3 | 2 & 3 | 1 & 2 |
|---------------+--------+-----------+-------+-------+-------|
| AM486DX | Open | 1 & 2 | Open | 1 & 2 | 1 & 2 |
|---------------+--------+-----------+-------+-------+-------|
| SL80486DX | Open | 1 & 2 | Open | 1 & 2 | 1 & 2 |
|---------------+--------+-----------+-------+-------+-------|
| 80486DX | Open | 1 & 2 | Open | 1 & 2 | 1 & 2 |
|---------------+--------+-----------+-------+-------+-------|
| CX486DX2 | Open | 1 & 2 | 2 & 3 | 2 & 3 | 1 & 2 |
|---------------+--------+-----------+-------+-------+-------|
| AM486DX2 | Open | 1 & 2 | Open | 1 & 2 | 1 & 2 |
|---------------+--------+-----------+-------+-------+-------|
| U5S | Open | 1 & 2, 3 | Open | 1 & 2 | 2 & 3 |
| | | & 4 | | | |
|---------------+--------+-----------+-------+-------+-------|
| U5DS | Open | 1 & 2, 3 | Open | 1 & 2 | 2 & 3 |
| | | & 4 | | | |
|---------------+--------+-----------+-------+-------+-------|
| SL80486DX2 | Open | 1 & 2 | Open | 1 & 2 | 1 & 2 |
|---------------+--------+-----------+-------+-------+-------|
| 80486DX2 | Open | 1 & 2 | Open | 1 & 2 | 1 & 2 |
|---------------+--------+-----------+-------+-------+-------|
| 80486DX2 (WB) | Closed | 1 & 2 | Open | 1 & 2 | 1 & 2 |
|---------------+--------+-----------+-------+-------+-------|
| 80486DX4 | Open | 1 & 2 | Open | 1 & 2 | 1 & 2 |
|---------------+--------+-----------+-------+-------+-------|
| P24T | Open | 2 & 3 | Open | 1 & 2 | 1 & 2 |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU TYPE CONFIGURATION (PENTIUM OVERDRIVE ONLY) |
|------------------------------------------------------------|
| Type | JP28 | JP29 |
|---------------------------------+-------------+------------|
| Pentium Overdrive not installed | Open | Open |
|---------------------------------+-------------+------------|
| Pentium Overdrive installed | Closed | Closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED CONFIGURATION |
|------------------------------------------------------------|
| 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 SPEED CONFIGURATION (80486DX4 ONLY) |
|------------------------------------------------------------|
| Speed | JP35 |
|------------------------------+-----------------------------|
| 2x | Closed |
|------------------------------+-----------------------------|
| 3x | Open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU VOLTAGE CONFIGURATION |
|------------------------------------------------------------|
| Voltage | JP24 | JP32 |
|------------------+--------------------+--------------------|
| 3.3v | pins 2 & 3 closed | pins 3 & 4 closed |
|------------------+--------------------+--------------------|
| 3.45v | pins 1 & 2 closed | pins 3 & 4 closed |
|------------------+--------------------+--------------------|
| 5v | Open | pins 1 & 2 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRQ CONFIGURATION |
|------------------------------------------------------------|
| DRQ/DACK | JP8 | JP18 |
|------------------+--------------------+--------------------|
| DRQ1/DACK1 | pins 1 & 2 closed | pins 2 & 3 closed |
|------------------+--------------------+--------------------|
| DRQ3/DACK3 | pins 2 & 3 closed | pins 1 & 2 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BIOS VOLTAGE CONFIGURATION |
|------------------------------------------------------------|
| Voltage | JP11 |
|----------------------------+-------------------------------|
| EPROM | Open |
|----------------------------+-------------------------------|
| 5v | pins 1 & 2 closed |
|----------------------------+-------------------------------|
| 12v | pins 2 & 3 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| VIDEO MEMORY CONFIGURATION |
|------------------------------------------------------------|
| Note: The size of the VRAM chips is unidentified. |
+------------------------------------------------------------+