(TXT) View Source
# ROBOTECH, INC.
GMB-486UNP
Processor CX486S/SL80486SX/80486SX/AM486DX-PLUS/AM486DXL/CX486DX/
SL80486DX/80486DX/AM486DX2-PLUS/AM486DXL2/CX486DX2/
SL80486DX2/80486DX2/80486DX4/P24D/ Pentium Overdrive
Processor 20/25/33/40/50(internal)/50/66(internal)/75(internal)/100(internal)MHz
Speed
Chip Set Unidentified
Max. 128MB
Onboard
DRAM
Cache 128/256/512KB
BIOS Award
Dimensions 260mm x 220mm
I/O 32-bit VESA local bus slots (3), green PC connector
Options
NPU None
Options
(IMG) IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|------------------+----------+-------------------+----------|
| External battery | J1 | Reset switch | J6 |
|------------------+----------+-------------------+----------|
| Turbo switch | J3 | Power LED & | J7 |
| | | keylock | |
|------------------+----------+-------------------+----------|
| Turbo LED | J4 | Green PC | JP27 |
| | | connector | |
|------------------+----------+-------------------+----------|
| Speaker | J5 | 32-bit VESA local | SL1 - |
| | | bus slots | SL3 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Jumper | Position |
|--------------------------------------+--------+------------|
| » | CMOS memory normal operation | JP16 | pins 2 & 3 |
| | | | closed |
|---+----------------------------------+--------+------------|
| | CMOS memory clear | JP16 | pins 1 & 2 |
| | | | closed |
|---+----------------------------------+--------+------------|
| » | Monitor type select | JP17 | Open |
| | monochrome/EGA/VGA | | |
|---+----------------------------------+--------+------------|
| | Monitor type select EGA | JP17 | Closed |
|---+----------------------------------+--------+------------|
| » | CPU clock delay select CLKIN | JP20 | pins 2 & 3 |
| | delay for CPUCLK | | closed |
|---+----------------------------------+--------+------------|
| | CPU clock delay select CLKIN and | JP20 | pins 1 & 2 |
| | CPUCLK same phase | | closed |
|---+----------------------------------+--------+------------|
| » | Green PC break switch enabled | JP26 | Open |
|---+----------------------------------+--------+------------|
| | Green PC break switch disabled | JP26 | Closed |
|---+----------------------------------+--------+------------|
| » | Factory configured - do not | JP32 | pins 1 & 2 |
| | alter | | closed |
|---+----------------------------------+--------+------------|
| » | Factory configured - do not | JP35 | pins 2 & 3 |
| | alter | | closed |
|---+----------------------------------+--------+------------|
| » | Keyboard controller clock select | JPX1 | Open |
| | asynchronous | | |
|---+----------------------------------+--------+------------|
| | Keyboard controller clock select | JPX1 | Closed |
| | synchronous | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | Bank 2 | Bank 3 |
|------+---------------+-------------+------------+----------|
| 1MB | (1) 256K x 36 | NONE | NONE | NONE |
|------+---------------+-------------+------------+----------|
| 2MB | (1) 256K x 36 | (1) 256K x | NONE | NONE |
| | | 36 | | |
|------+---------------+-------------+------------+----------|
| 2MB | (1) 512K x 36 | NONE | NONE | NONE |
|------+---------------+-------------+------------+----------|
| 4MB | (1) 256K x 36 | (1) 256K x | (1) 512K x | NONE |
| | | 36 | 36 | |
|------+---------------+-------------+------------+----------|
| 4MB | (1) 512K x 36 | (1) 512K x | NONE | NONE |
| | | 36 | | |
|------+---------------+-------------+------------+----------|
| 4MB | (1) 1M x 36 | NONE | NONE | NONE |
|------+---------------+-------------+------------+----------|
| 5MB | (1) 256K x 36 | (1) 1M x 36 | NONE | NONE |
|------+---------------+-------------+------------+----------|
| 6MB | (1) 256K x 36 | (1) 256K x | (1) 1M x | NONE |
| | | 36 | 36 | |
|------+---------------+-------------+------------+----------|
| 6MB | (1) 512K x 36 | (1) 1M x 36 | NONE | NONE |
|------+---------------+-------------+------------+----------|
| 8MB | (1) 256K x 36 | (1) 256K x | (1) 512K x | (1) 1M x |
| | | 36 | 36 | 36 |
|------+---------------+-------------+------------+----------|
| 8MB | (1) 512K x 36 | (1) 512K x | (1) 1M x | NONE |
| | | 36 | 36 | |
|------+---------------+-------------+------------+----------|
| 8MB | (1) 1M x 36 | (1) 1M x 36 | NONE | NONE |
|------+---------------+-------------+------------+----------|
| 8MB | (1) 2M x 36 | NONE | NONE | NONE |
|------+---------------+-------------+------------+----------|
| 10MB | (1) 256K x 36 | (1) 256K x | (1) 1M x | (1) 1M x |
| | | 36 | 36 | 36 |
|------+---------------+-------------+------------+----------|
| 12MB | (1) 512K x 36 | (1) 512K x | (1) 1M x | (1) 1M x |
| | | 36 | 36 | 36 |
|------+---------------+-------------+------------+----------|
| 12MB | (1) 1M x 36 | (1) 1M x 36 | (1) 1M x | NONE |
| | | | 36 | |
|------+---------------+-------------+------------+----------|
| 12MB | (1) 1M x 36 | (1) 2M x 36 | NONE | NONE |
|------+---------------+-------------+------------+----------|
| 16MB | (1) 1M x 36 | (1) 1M x 36 | (1) 1M x | (1) 1M x |
| | | | 36 | 36 |
|------+---------------+-------------+------------+----------|
| 16MB | (1) 2M x 36 | (1) 2M x 36 | NONE | NONE |
|------+---------------+-------------+------------+----------|
| 16MB | (1) 4M x 36 | NONE | NONE | NONE |
|------+---------------+-------------+------------+----------|
| 16MB | (1) 1M x 36 | (1) 1M x 36 | (1) 2M x | NONE |
| | | | 36 | |
|------+---------------+-------------+------------+----------|
| 17MB | (1) 256K x 36 | (1) 4M x 36 | NONE | NONE |
|------+---------------+-------------+------------+----------|
| 18MB | (1) 256K x 36 | (1) 256K x | (1) 4M x | NONE |
| | | 36 | 36 | |
|------+---------------+-------------+------------+----------|
| 18MB | (1) 512K x 36 | (1) 4M x 36 | NONE | NONE |
|------+---------------+-------------+------------+----------|
| 20MB | (1) 512K x 36 | (1) 512K x | (1) 4M x | NONE |
| | | 36 | 36 | |
|------+---------------+-------------+------------+----------|
| 20MB | (1) 1M x 36 | (1) 4M x 36 | NONE | NONE |
|------+---------------+-------------+------------+----------|
| 20MB | (1) 1M x 36 | (1) 2M x 36 | (1) 2M x | NONE |
| | | | 36 | |
|------+---------------+-------------+------------+----------|
| 24MB | (1) 512K x 36 | (1) 512K x | (1) 1M x | (1) 4M x |
| | | 36 | 36 | 36 |
|------+---------------+-------------+------------+----------|
| 24MB | (1) 1M x 36 | (1) 1M x 36 | (1) 4M x | NONE |
| | | | 36 | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION (CON’T) |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | Bank 2 | Bank 3 |
|-------+-------------+------------+------------+------------|
| 24MB | (1) 2M x 36 | (1) 2M x | (1) 2M x | NONE |
| | | 36 | 36 | |
|-------+-------------+------------+------------+------------|
| 24MB | (1) 1M x 36 | (1) 1M x | (1) 2M x | (1) 2M x |
| | | 36 | 36 | 36 |
|-------+-------------+------------+------------+------------|
| 24MB | (1) 2M x 36 | (1) 4M x | NONE | NONE |
| | | 36 | | |
|-------+-------------+------------+------------+------------|
| 28MB | (1) 1M x 36 | (1) 2M x | (1) 2M x | (1) 2M x |
| | | 36 | 36 | 36 |
|-------+-------------+------------+------------+------------|
| 32MB | (1) 4M x 36 | (1) 4M x | NONE | NONE |
| | | 36 | | |
|-------+-------------+------------+------------+------------|
| 32MB | (1) 8M x 36 | NONE | NONE | NONE |
|-------+-------------+------------+------------+------------|
| 32MB | (1) 2M x 36 | (1) 2M x | (1) 4M x | NONE |
| | | 36 | 36 | |
|-------+-------------+------------+------------+------------|
| 32MB | (1) 2M x 36 | (1) 2M x | (1) 2M x | (1) 2M x |
| | | 36 | 36 | 36 |
|-------+-------------+------------+------------+------------|
| 36MB | (1) 512K x | (1) 512K x | (1) 4M x | (1) 4M x |
| | 36 | 36 | 36 | 36 |
|-------+-------------+------------+------------+------------|
| 36MB | (1) 1M x 36 | (1) 4M x | (1) 4M x | NONE |
| | | 36 | 36 | |
|-------+-------------+------------+------------+------------|
| 36MB | (1) 1M x 36 | (1) 8M x | NONE | NONE |
| | | 36 | | |
|-------+-------------+------------+------------+------------|
| 40MB | (1) 1M x 36 | (1) 1M x | (1) 4M x | (1) 4M x |
| | | 36 | 36 | 36 |
|-------+-------------+------------+------------+------------|
| 40MB | (1) 1M x 36 | (1) 1M x | (1) 8M x | NONE |
| | | 36 | 36 | |
|-------+-------------+------------+------------+------------|
| 40MB | (1) 2M x 36 | (1) 2M x | (1) 2M x | (1) 4M x |
| | | 36 | 36 | 36 |
|-------+-------------+------------+------------+------------|
| 48MB | (1) 4M x 36 | (1) 4M x | (1) 4M x | NONE |
| | | 36 | 36 | |
|-------+-------------+------------+------------+------------|
| 48MB | (1) 4M x 36 | (1) 8M x | NONE | NONE |
| | | 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 | |
|-------+-------------+------------+------------+------------|
| 64MB | (1) 4M x 36 | (1) 4M x | (1) 4M x | (1) 4M x |
| | | 36 | 36 | 36 |
|-------+-------------+------------+------------+------------|
| 64MB | (1) 16M x | NONE | NONE | NONE |
| | 36 | | | |
|-------+-------------+------------+------------+------------|
| 64MB | (1) 4M x 36 | (1) 4M x | (1) 8M x | NONE |
| | | 36 | 36 | |
|-------+-------------+------------+------------+------------|
| 64MB | (1) 8M x 36 | (1) 8M x | NONE | NONE |
| | | 36 | | |
|-------+-------------+------------+------------+------------|
| 65MB | (1) 256K x | (1) 16M x | NONE | NONE |
| | 36 | 36 | | |
|-------+-------------+------------+------------+------------|
| 68MB | (1) 1M x 36 | (1) 16M x | NONE | NONE |
| | | 36 | | |
|-------+-------------+------------+------------+------------|
| 68MB | (1) 1M x 36 | (1) 8M x | (1) 8M x | NONE |
| | | 36 | 36 | |
|-------+-------------+------------+------------+------------|
| 72MB | (1) 1M x 36 | (1) 1M x | (1) 16M x | NONE |
| | | 36 | 36 | |
|-------+-------------+------------+------------+------------|
| 72MB | (1) 1M x 36 | (1) 1M x | (1) 8M x | (1) 8M x |
| | | 36 | 36 | 36 |
|-------+-------------+------------+------------+------------|
| 80MB | (1) 4M x 36 | (1) 16M x | NONE | NONE |
| | | 36 | | |
|-------+-------------+------------+------------+------------|
| 80MB | (1) 4M x 36 | (1) 8M x | (1) 8M x | NONE |
| | | 36 | 36 | |
|-------+-------------+------------+------------+------------|
| 80MB | (1) 2M x 36 | (1) 2M x | (1) 8M x | (1) 8M x |
| | | 36 | 36 | 36 |
|-------+-------------+------------+------------+------------|
| 96MB | (1) 4M x 36 | (1) 4M x | (1) 16M 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) 8M x | NONE |
| | | 36 | 36 | |
|-------+-------------+------------+------------+------------|
| 128MB | (1) 16M x | (1) 16M x | NONE | 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) 8K x 8 |
|------------+---------------+---------------+---------------|
| 256KB | (4) 32K x 8 | (4) 32K x 8 | (1) 32K x 8 |
|------------+---------------+---------------+---------------|
| 256KB | (4) 64K x 8 | NONE | (1) 32K x 8 |
|------------+---------------+---------------+---------------|
| 512KB | (4) 128K x 8 | NONE | (1) 32K x 8 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE JUMPER CONFIGURATION |
|------------------------------------------------------------|
| Size | JP1 | JP2 | JP3 | JP4 | JP33 |
|---------+---------+---------+--------------+-------+-------|
| 128KB | 1 & 2 | 1 & 2 | 1 & 2, 3 & 4 | 1 & 2 | 2 & 3 |
|---------+---------+---------+--------------+-------+-------|
| 256KB | 2 & 3 | 2 & 3 | 2 & 3, 4 & 5 | 1 & 2 | 2 & 3 |
|---------+---------+---------+--------------+-------+-------|
| 256KB | 1 & 2 | 2 & 3 | 1 & 2, 3 & 4 | 1 & 2 | 1 & 2 |
|---------+---------+---------+--------------+-------+-------|
| 512KB | 1 & 2 | 2 & 3 | 1 & 2, 3 & 4 | 2 & 3 | 2 & 3 |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU TYPE CONFIGURATION |
|------------------------------------------------------------|
| Type | JP8 | JP10 | JP11 | JP12 | JP13 |
|-----------------+--------+-------+--------+--------+-------|
| CX486S | 2 & 3 | 2 & 3 | Open | 2 & 3, | Open |
| | | | | 4 & 5 | |
|-----------------+--------+-------+--------+--------+-------|
| SL80486SX | 2 & 3 | 2 & 3 | Open | 3 & 4 | 1 & 2 |
|-----------------+--------+-------+--------+--------+-------|
| 80486SX | 2 & 3 | 2 & 3 | Open | Open | Open |
|-----------------+--------+-------+--------+--------+-------|
| AM486DX-PLUS | 1 & 2, | 2 & 3 | 3 & 4 | 3 & 4 | 4 & 5 |
| | 3 & 4 | | | | |
|-----------------+--------+-------+--------+--------+-------|
| AM486DXL | 1 & 2, | 2 & 3 | 1 & 2, | Open | Open |
| | 3 & 4 | | 3 & 4 | | |
|-----------------+--------+-------+--------+--------+-------|
| CX486DX | 1 & 2, | 2 & 3 | 3 & 4 | 2 & 3 | Open |
| | 3 & 4 | | | | |
|-----------------+--------+-------+--------+--------+-------|
| SL80486DX | 1 & 2, | 2 & 3 | 3 & 4 | 3 & 4 | 1 & 2 |
| | 3 & 4 | | | | |
|-----------------+--------+-------+--------+--------+-------|
| 80486DX | 1 & 2, | 2 & 3 | 3 & 4 | Open | Open |
| | 3 & 4 | | | | |
|-----------------+--------+-------+--------+--------+-------|
| AM486DX2-PLUS | 1 & 2, | 2 & 3 | 3 & 4 | 3 & 4 | 4 & 5 |
| | 3 & 4 | | | | |
|-----------------+--------+-------+--------+--------+-------|
| AM486DXL2 | 1 & 2, | 2 & 3 | 1 & 2, | Open | Open |
| | 3 & 4 | | 3 & 4 | | |
|-----------------+--------+-------+--------+--------+-------|
| CX486DX2 | 1 & 2, | 2 & 3 | 3 & 4 | 2 & 3 | Open |
| | 3 & 4 | | | | |
|-----------------+--------+-------+--------+--------+-------|
| SL80486DX2 | 1 & 2, | 2 & 3 | 3 & 4 | 3 & 4 | 1 & 2 |
| | 3 & 4 | | | | |
|-----------------+--------+-------+--------+--------+-------|
| 80486DX2 | 1 & 2, | 2 & 3 | 3 & 4 | Open | Open |
| | 3 & 4 | | | | |
|-----------------+--------+-------+--------+--------+-------|
| 80486DX4 | 1 & 2, | 2 & 3 | 3 & 4 | 3 & 4 | 1 & 2 |
| | 3 & 4 | | | | |
|-----------------+--------+-------+--------+--------+-------|
| P24D | 1 & 2, | 1 & 2 | 3 & 4 | 1 & 2, | 2 & 3 |
| | 3 & 4 | | | 3 & 4 | |
|-----------------+--------+-------+--------+--------+-------|
| Pentium | 1 & 2, | 1 & 2 | 2 & 3 | 3 & 4 | Open |
| Overdrive | 3 & 4 | | | | |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU TYPE CONFIGURATION (CON’T) |
|------------------------------------------------------------|
| Type | JP14 | JP15 | JP21 | JP22 | JP24 |
|-----------------+----------+-------+-------+-------+-------|
| CX486S | 1 & 2, 3 | 2 & 3 | 1 & 2 | 2 & 3 | 2 & 3 |
| | & 4 | | | | |
|-----------------+----------+-------+-------+-------+-------|
| SL80486SX | 2 & 3 | 4 & 5 | 2 & 3 | 1 & 2 | Open |
|-----------------+----------+-------+-------+-------+-------|
| 80486SX | Open | Open | 2 & 3 | 1 & 2 | Open |
|-----------------+----------+-------+-------+-------+-------|
| AM486DX-PLUS | 2 & 3 | 4 & 5 | 1 & 2 | 1 & 2 | Open |
|-----------------+----------+-------+-------+-------+-------|
| AM486DXL | Open | Open | 1 & 2 | 2 & 3 | 3 & 4 |
|-----------------+----------+-------+-------+-------+-------|
| CX486DX | 1 & 2 | 2 & 3 | 1 & 2 | 2 & 3 | 2 & 3 |
|-----------------+----------+-------+-------+-------+-------|
| SL80486DX | 2 & 3 | 4 & 5 | 2 & 3 | 1 & 2 | Open |
|-----------------+----------+-------+-------+-------+-------|
| 80486DX | Open | Open | 2 & 3 | 1 & 2 | Open |
|-----------------+----------+-------+-------+-------+-------|
| AM486DX2-PLUS | 2 & 3 | 4 & 5 | 1 & 2 | 1 & 2 | Open |
|-----------------+----------+-------+-------+-------+-------|
| AM486DXL2 | Open | Open | 1 & 2 | 2 & 3 | 3 & 4 |
|-----------------+----------+-------+-------+-------+-------|
| CX486DX2 | 1 & 2 | 2 & 3 | 1 & 2 | 2 & 3 | 2 & 3 |
|-----------------+----------+-------+-------+-------+-------|
| SL80486DX2 | 2 & 3 | 4 & 5 | 2 & 3 | 1 & 2 | Open |
|-----------------+----------+-------+-------+-------+-------|
| 80486DX2 | Open | Open | 2 & 3 | 1 & 2 | Open |
|-----------------+----------+-------+-------+-------+-------|
| 80486DX4 | 2 & 3 | 4 & 5 | 2 & 3 | 1 & 2 | Open |
|-----------------+----------+-------+-------+-------+-------|
| P24D | 2 & 3 | 4 & 5 | 1 & 2 | 1 & 2 | Open |
|-----------------+----------+-------+-------+-------+-------|
| Pentium | 2 & 3 | 1 & 2 | 1 & 2 | 1 & 2 | 1 & 2 |
| Overdrive | | | | | |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU TYPE CONFIGURATION (CON’T) |
|------------------------------------------------------------|
| Type | JP25 | JP30 | JP31 | JP34 | JP36 |
|------------------+-------+--------+-------+-------+--------|
| CX486S | 2 & 3 | Open | Open | 1 & 2 | Closed |
|------------------+-------+--------+-------+-------+--------|
| SL80486SX | Open | Open | Open | 1 & 2 | Closed |
|------------------+-------+--------+-------+-------+--------|
| 80486SX | Open | Open | Open | Open | Closed |
|------------------+-------+--------+-------+-------+--------|
| AM486DX-PLUS | 1 & 2 | Open | 2 & 3 | 1 & 2 | Closed |
|------------------+-------+--------+-------+-------+--------|
| AM486DXL | Open | Open | Open | 2 & 3 | Closed |
|------------------+-------+--------+-------+-------+--------|
| CX486DX | 2 & 3 | Open | Open | 1 & 2 | Closed |
|------------------+-------+--------+-------+-------+--------|
| SL80486DX | Open | Open | Open | 1 & 2 | Closed |
|------------------+-------+--------+-------+-------+--------|
| 80486DX | Open | Open | Open | Open | Closed |
|------------------+-------+--------+-------+-------+--------|
| AM486DX2-PLUS | 1 & 2 | Open | 2 & 3 | 1 & 2 | Closed |
|------------------+-------+--------+-------+-------+--------|
| AM486DXL2 | Open | Open | Open | 2 & 3 | Closed |
|------------------+-------+--------+-------+-------+--------|
| CX486DX2 | 2 & 3 | Open | Open | 1 & 2 | Closed |
|------------------+-------+--------+-------+-------+--------|
| SL80486DX2 | Open | Open | Open | 1 & 2 | Closed |
|------------------+-------+--------+-------+-------+--------|
| 80486DX2 | Open | Open | Open | Open | Closed |
|------------------+-------+--------+-------+-------+--------|
| 80486DX4 | 3 & 4 | Open | Open | 1 & 2 | Open |
|------------------+-------+--------+-------+-------+--------|
| P24D | 1 & 2 | Closed | 1 & 2 | 1 & 2 | Closed |
|------------------+-------+--------+-------+-------+--------|
| Pentium | 1 & 2 | Open | Open | 1 & 2 | Closed |
| Overdrive | | | | | |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED CONFIGURATION (AV9107) |
|------------------------------------------------------------|
| Speed | JP5 | JP6 | JP7 |
|---------------+--------------+--------------+--------------|
| 20MHz | Closed | Open | Closed |
|---------------+--------------+--------------+--------------|
| 25MHz | Closed | Closed | Open |
|---------------+--------------+--------------+--------------|
| 33MHz | Open | Closed | Closed |
|---------------+--------------+--------------+--------------|
| 40MHz | Closed | Open | Open |
|---------------+--------------+--------------+--------------|
| 50iMHz | Closed | Closed | Open |
|---------------+--------------+--------------+--------------|
| 50MHz | Open | Open | Closed |
|---------------+--------------+--------------+--------------|
| 66iMHz | Open | Closed | Closed |
|---------------+--------------+--------------+--------------|
| 75iMHz | Closed | Closed | Open |
|---------------+--------------+--------------+--------------|
| 100iMHz | Open | Closed | Closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED CONFIGURATION (MX-8315) |
|------------------------------------------------------------|
| Speed | JP5 | JP6 | JP7 |
|---------------+--------------+--------------+--------------|
| 20MHz | Open | Open | Open |
|---------------+--------------+--------------+--------------|
| 25MHz | Open | Closed | Open |
|---------------+--------------+--------------+--------------|
| 33MHz | Closed | Closed | Closed |
|---------------+--------------+--------------+--------------|
| 40MHz | Open | Closed | Closed |
|---------------+--------------+--------------+--------------|
| 50iMHz | Open | Closed | Open |
|---------------+--------------+--------------+--------------|
| 50MHz | Closed | Open | Open |
|---------------+--------------+--------------+--------------|
| 66iMHz | Closed | Closed | Closed |
|---------------+--------------+--------------+--------------|
| 75iMHz | Open | Closed | Open |
|---------------+--------------+--------------+--------------|
| 100iMHz | Closed | Closed | Closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| VESA WAIT STATE CONFIGURATION |
|------------------------------------------------------------|
| Wait states | JP28 |
|----------------------------+-------------------------------|
| 0 wait states | pins 1 & 2 closed |
|----------------------------+-------------------------------|
| 1 wait state | pins 2 & 3 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BUS SPEED CONFIGURATION |
|------------------------------------------------------------|
| CPU speed | JP29 |
|----------------------------+-------------------------------|
| <= 33MHz | pins 1 & 2 closed |
|----------------------------+-------------------------------|
| > 33MHz | pins 2 & 3 closed |
+------------------------------------------------------------+