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# EASYDATA COMPUTER PRODUCTS
486 ENERGY SAVING VESA
Processor CX486S/CX486DLC/80486SX/80486DX/80486DX2/Pentium
Overdrive
Processor 25/33/40(internal)/40/50(internal)/50/66(internal)MHz
Speed
Chip Set Unidentified
Max. 96MB
Onboard
DRAM
Cache 64/128/256KB
BIOS Award
Dimensions 330mm x 218mm
I/O 32-bit VESA local bus slots (2)
Options
NPU None
Options
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|--------------------+----------+-----------------+----------|
| Turbo switch | J1 | Speaker | J10 |
|--------------------+----------+-----------------+----------|
| Green power supply | J3 | Power LED & | J11 |
| connector | | keylock | |
|--------------------+----------+-----------------+----------|
| External battery | J4 | PS/2 mouse port | CN1 |
|--------------------+----------+-----------------+----------|
| Turbo LED | J8 | 32-bit VESA | SL1 & |
| | | Local bus slots | SL2 |
|--------------------+----------+-----------------+----------|
| Reset switch | J9 | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Jumper | Position |
|--------------------------------------+---------+-----------|
| » | Monitor type select | J2 | Open |
| | monochrome/EGA/VGA | | |
|---+----------------------------------+---------+-----------|
| | Monitor type select color | J2 | Closed |
|---+----------------------------------+---------+-----------|
| » | Battery type select - internal | J5 | pins 2 & |
| | | | 3 closed |
|---+----------------------------------+---------+-----------|
| | Battery type select - external | J5 | pins 1 & |
| | | | 2 closed |
|---+----------------------------------+---------+-----------|
| » | Adaptec ISA master 1542B/C SCSI | J6 | Open |
| | card (transfer rate <5.7MB/s) | | |
|---+----------------------------------+---------+-----------|
| | Adaptec ISA master 1542B/C SCSI | J6 | Closed |
| | card (transfer rate >5.7MB/s) | | |
|---+----------------------------------+---------+-----------|
| » | CMOS memory normal operation | J7 | Open |
|---+----------------------------------+---------+-----------|
| | CMOS memory clear | J7 | Closed |
|---+----------------------------------+---------+-----------|
| » | Cyrix CPU clock mode select (1X) | J12 | pins 2 & |
| | | | 3 closed |
|---+----------------------------------+---------+-----------|
| | Cyrix CPU clock mode select (2X) | J12 | pins 1 & |
| | | | 2 closed |
|---+----------------------------------+---------+-----------|
| » | Factory configured - do not | JP1 | pins 1 & |
| | alter | | 2 closed |
|---+----------------------------------+---------+-----------|
| » | Regular CPU installed | JP2, | pins 1 & |
| | | JX2 | 2 closed |
|---+----------------------------------+---------+-----------|
| | Cyrix or Intel S-series CPU | JP2, | pins 2 & |
| | installed | JX2 | 3 closed |
|---+----------------------------------+---------+-----------|
| » | VESA VGA card not installed in | JP4 | pins 1 & |
| | slot | | 2 closed |
|---+----------------------------------+---------+-----------|
| | VESA VGA card installed in slot | JP4 | pins 2 & |
| | SL2 | | 3 closed |
|---+----------------------------------+---------+-----------|
| » | Factory configured - do not | JP5 | pins 1 & |
| | alter disabled | | 2 closed |
|---+----------------------------------+---------+-----------|
| » | PQFP CPU disabled | JC6 | Closed |
|---+----------------------------------+---------+-----------|
| | PQFP CPU enabled | JC6 | Open |
|---+----------------------------------+---------+-----------|
| » | P24T write back cache enabled | JT1 | pins 1 & |
| | | | 2 closed |
|---+----------------------------------+---------+-----------|
| | P24T write through cache enabled | JT1 | pins 2 & |
| | | | 3 closed |
|---+----------------------------------+---------+-----------|
| » | CPU clock mode select (1X) | JX1 | pins 1 & |
| | | | 2 closed |
|---+----------------------------------+---------+-----------|
| | CPU clock mode select (2X) | JX1 | pins 2 & |
| | | | 3 closed |
|---+----------------------------------+---------+-----------|
| » | Intel S/DX/DX2 CPU installed | JCX1 | Open |
|---+----------------------------------+---------+-----------|
| | Cyrix CX486S/DX installed | JCX1 | Closed |
|---+----------------------------------+---------+-----------|
| » | Intel S/DX/DX2 CPU installed | JCX2 | pins 1 & |
| | | | 2 closed |
|---+----------------------------------+---------+-----------|
| | Cyrix CX486S/DX installed | JCX2 | pins 2 & |
| | | | 3 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | Bank 2 |
|------------+---------------+---------------+---------------|
| 1MB | (4) 256K x 9 | NONE | NONE |
|------------+---------------+---------------+---------------|
| 1MB | NONE | (1) 256K x 36 | NONE |
|------------+---------------+---------------+---------------|
| 1MB | NONE | NONE | (1) 256K x 36 |
|------------+---------------+---------------+---------------|
| 2MB | (4) 256K x 9 | (1) 256K x 36 | NONE |
|------------+---------------+---------------+---------------|
| 2MB | NONE | (1) 256K x 36 | (1) 256K x 36 |
|------------+---------------+---------------+---------------|
| 2MB | (4) 256K x 9 | NONE | (1) 256K x 36 |
|------------+---------------+---------------+---------------|
| 3MB | (4) 256K x 9 | (1) 256K x 36 | (1) 256K x 36 |
|------------+---------------+---------------+---------------|
| 4MB | (4) 1M x 9 | NONE | NONE |
|------------+---------------+---------------+---------------|
| 4MB | NONE | (1) 1M x 36 | NONE |
|------------+---------------+---------------+---------------|
| 4MB | NONE | NONE | (1) 1M x 36 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION (CON’T) |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | Bank 2 |
|------------+---------------+---------------+---------------|
| 5MB | (4) 256K x 9 | (1) 1M x 36 | NONE |
|------------+---------------+---------------+---------------|
| 5MB | (4) 256K x 9 | NONE | (1) 1M x 36 |
|------------+---------------+---------------+---------------|
| 5MB | (4) 1M x 9 | (1) 256K x 36 | NONE |
|------------+---------------+---------------+---------------|
| 5MB | (4) 1M x 9 | NONE | (1) 256K x 36 |
|------------+---------------+---------------+---------------|
| 5MB | NONE | (1) 256K x 36 | (1) 1M x 36 |
|------------+---------------+---------------+---------------|
| 5MB | NONE | (1) 1M x 36 | (1) 256K x 36 |
|------------+---------------+---------------+---------------|
| 6MB | (4) 256K x 9 | (1) 1M x 36 | (1) 256K x 36 |
|------------+---------------+---------------+---------------|
| 6MB | (4) 256K x 9 | (1) 256K x 36 | (1) 1M x 36 |
|------------+---------------+---------------+---------------|
| 6MB | (4) 1M x 9 | (1) 256K x 36 | (1) 256K x 36 |
|------------+---------------+---------------+---------------|
| 8MB | (4) 1M x 9 | (1) 1M x 36 | NONE |
|------------+---------------+---------------+---------------|
| 8MB | (4) 1M x 9 | NONE | (1) 1M x 36 |
|------------+---------------+---------------+---------------|
| 8MB | NONE | (1) 1M x 36 | (1) 1M x 36 |
|------------+---------------+---------------+---------------|
| 9MB | (4) 256K x 9 | (1) 1M x 36 | (1) 1M x 36 |
|------------+---------------+---------------+---------------|
| 9MB | (4) 1M x 9 | (1) 256K x 36 | (1) 1M x 36 |
|------------+---------------+---------------+---------------|
| 9MB | (4) 1M x 9 | (1) 1M x 36 | (1) 256K x 36 |
|------------+---------------+---------------+---------------|
| 12MB | (4) 1M x 9 | (1) 1M x 36 | (1) 1M x 36 |
|------------+---------------+---------------+---------------|
| 16MB | (4) 4M x 9 | NONE | NONE |
|------------+---------------+---------------+---------------|
| 16MB | NONE | (1) 4M x 36 | NONE |
|------------+---------------+---------------+---------------|
| 16MB | NONE | NONE | (1) 4M x 36 |
|------------+---------------+---------------+---------------|
| 17MB | (4) 256K x 9 | (1) 4M x 36 | NONE |
|------------+---------------+---------------+---------------|
| 17MB | (4) 256K x 9 | NONE | (1) 4M x 36 |
|------------+---------------+---------------+---------------|
| 17MB | NONE | (1) 256K x 36 | (1) 4M x 36 |
|------------+---------------+---------------+---------------|
| 17MB | NONE | (1) 4M x 36 | (1) 256K x 36 |
|------------+---------------+---------------+---------------|
| 17MB | (4) 4M x 9 | (1) 256K x 36 | NONE |
|------------+---------------+---------------+---------------|
| 17MB | (4) 4M x 9 | NONE | (1) 256K x 36 |
|------------+---------------+---------------+---------------|
| 18MB | (4) 256K x 9 | (1) 256K x 36 | (1) 4M x 36 |
|------------+---------------+---------------+---------------|
| 18MB | (4) 256K x 9 | (1) 4M x 36 | (1) 256K x 36 |
|------------+---------------+---------------+---------------|
| 18MB | (4) 4M x 9 | (1) 256K x 36 | (1) 256K x 36 |
|------------+---------------+---------------+---------------|
| 20MB | (4) 1M x 9 | (1) 4M x 36 | NONE |
|------------+---------------+---------------+---------------|
| 20MB | (4) 1M x 9 | NONE | (1) 4M x 36 |
|------------+---------------+---------------+---------------|
| 20MB | (4) 4M x 9 | (1) 1M x 36 | NONE |
|------------+---------------+---------------+---------------|
| 20MB | (4) 4M x 9 | NONE | (1) 1M x 36 |
|------------+---------------+---------------+---------------|
| 20MB | NONE | (1) 1M x 36 | (1) 4M x 36 |
|------------+---------------+---------------+---------------|
| 20MB | NONE | (1) 4M x 36 | (1) 1M x 36 |
|------------+---------------+---------------+---------------|
| 21MB | (4) 256K x 9 | (1) 1M x 36 | (1) 4M x 36 |
|------------+---------------+---------------+---------------|
| 21MB | (4) 256K x 9 | (1) 4M x 36 | (1) 1M x 36 |
|------------+---------------+---------------+---------------|
| 21MB | (4) 1M x 9 | (1) 256K x 36 | (1) 4M x 36 |
|------------+---------------+---------------+---------------|
| 21MB | (4) 1M x 9 | (1) 4M x 36 | (1) 256K x 36 |
|------------+---------------+---------------+---------------|
| 21MB | (4) 4M x 9 | (1) 256K x 36 | (1) 1M x 36 |
|------------+---------------+---------------+---------------|
| 21MB | (4) 4M x 9 | (1) 1M x 36 | (1) 256K x 36 |
|------------+---------------+---------------+---------------|
| 24MB | (4) 1M x 9 | (1) 1M x 36 | (1) 4M x 36 |
|------------+---------------+---------------+---------------|
| 24MB | (4) 1M x 9 | (1) 4M x 36 | (1) 1M x 36 |
|------------+---------------+---------------+---------------|
| 24MB | (4) 4M x 9 | (1) 1M x 36 | (1) 1M x 36 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION(CON’T) |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | Bank 2 |
|------------+---------------+---------------+---------------|
| 32MB | (4) 4M x 9 | (1) 4M x 36 | NONE |
|------------+---------------+---------------+---------------|
| 32MB | (4) 4M x 9 | NONE | (1) 4M x 36 |
|------------+---------------+---------------+---------------|
| 32MB | NONE | (1) 4M x 36 | (1) 4M x 36 |
|------------+---------------+---------------+---------------|
| 33MB | (4) 256K x 9 | (1) 4M x 36 | (1) 4M x 36 |
|------------+---------------+---------------+---------------|
| 33MB | (4) 4M x 9 | (1) 256K x 36 | (1) 4M x 36 |
|------------+---------------+---------------+---------------|
| 33MB | (4) 4M x 9 | (1) 4M x 36 | (1) 256K x 36 |
|------------+---------------+---------------+---------------|
| 36MB | (1) 4M x 9 | (1) 4M x 36 | (1) 4M x 36 |
|------------+---------------+---------------+---------------|
| 36MB | (4) 4M x 9 | (1) 1M x 36 | (1) 4M x 36 |
|------------+---------------+---------------+---------------|
| 36MB | (4) 4M x 9 | (1) 4M x 36 | (1) 1M x 36 |
|------------+---------------+---------------+---------------|
| 48MB | (4) 4M x 9 | (1) 4M x 36 | (1) 4M x 36 |
|------------+---------------+---------------+---------------|
| 64MB | (4) 16M x 9 | NONE | NONE |
|------------+---------------+---------------+---------------|
| 65MB | (4) 16M x 9 | (1) 256K x 36 | NONE |
|------------+---------------+---------------+---------------|
| 65MB | (4) 16M x 9 | NONE | (1) 256K x 36 |
|------------+---------------+---------------+---------------|
| 66MB | (4) 16M x 9 | (1) 256K x 36 | (1) 256K x 36 |
|------------+---------------+---------------+---------------|
| 68MB | (4) 16M x 9 | (1) 1M x 36 | NONE |
|------------+---------------+---------------+---------------|
| 68MB | (4) 16M x 9 | NONE | (1) 1M x 36 |
|------------+---------------+---------------+---------------|
| 69MB | (4) 16M x 9 | (1) 256K x 36 | (1) 1M x 36 |
|------------+---------------+---------------+---------------|
| 69MB | (4) 16M x 9 | (1) 1M x 36 | (1) 256K x 36 |
|------------+---------------+---------------+---------------|
| 72MB | (4) 16M x 9 | (1) 4M x 36 | (1) 4M x 36 |
|------------+---------------+---------------+---------------|
| 80MB | (4) 16M x 9 | (1) 4M x 36 | NONE |
|------------+---------------+---------------+---------------|
| 80MB | (4) 16M x 9 | NONE | (1) 4M x 36 |
|------------+---------------+---------------+---------------|
| 81MB | (4) 16M x 9 | (1) 256K x 36 | (1) 256K x 36 |
|------------+---------------+---------------+---------------|
| 81MB | (4) 16M x 9 | (1) 4M x 36 | (1) 4M x 36 |
|------------+---------------+---------------+---------------|
| 84MB | (4) 16M x 9 | (1) 1M x 36 | (1) 4M x 36 |
|------------+---------------+---------------+---------------|
| 84MB | (4) 16M x 9 | (1) 4M x 36 | (1) 1M x 36 |
|------------+---------------+---------------+---------------|
| 96MB | (4) 16M x 9 | (1) 4M x 36 | (1) 4M x 36 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | TAG |
|------------+---------------+---------------+---------------|
| 64KB | (4) 8K x 8 | (4) 8K x 8 | (1) 8K x 8 |
|------------+---------------+---------------+---------------|
| 128KB | (4) 32K x 8 | NONE | (1) 8K x 8 |
|------------+---------------+---------------+---------------|
| 256KB | (4) 32K x 8 | (4) 32K x 8 | (1) 32K x 8 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE JUMPER CONFIGURATION |
|------------------------------------------------------------|
| Size | JS1 | JS2 | JS3 |
|-------+-----------------+-----------------+----------------|
| 64KB | pins 1 & 2 | pins 1 & 2 | pins 1 & 2 |
| | closed | closed | closed |
|-------+-----------------+-----------------+----------------|
| 128KB | pins 1 & 2 | pins 2 & 3 | pins 2 & 3 |
| | closed | closed | closed |
|-------+-----------------+-----------------+----------------|
| 256KB | pins 2 & 3 | pins 2 & 3 | pins 1 & 2 |
| | closed | closed | closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU TYPE CONFIGURATION |
|------------------------------------------------------------|
| Type | JC1 | JC2 | JC3 | JC4 | JC5 | JC7 |
|-------------+------+------+--------+--------+--------+-----|
| Intel 486SX | 2 & | 2 & | Open | Open | Closed | 1 & |
| | 3 | 3 | | | | 2 |
|-------------+------+------+--------+--------+--------+-----|
| CX486S | 2 & | 2 & | Closed | Open | Open | 1 & |
| | 3 | 3 | | | | 2 |
|-------------+------+------+--------+--------+--------+-----|
| CX486S/487S | 1 & | 1 & | Closed | Open | Open | 1 & |
| | 2 | 2 | | | | 2 |
|-------------+------+------+--------+--------+--------+-----|
| CX486DX | 1 & | 1 & | Closed | Open | Open | 1 & |
| | 2 | 2 | | | | 2 |
|-------------+------+------+--------+--------+--------+-----|
| Intel | 1 & | 1 & | Closed | Open | Closed | 1 & |
| 486DX/DX2 | 2 | 2 | | | | 2 |
|-------------+------+------+--------+--------+--------+-----|
| P23S | 2 & | 2 & | Open | Open | Closed | 1 & |
| | 3 | 3 | | | | 2 |
|-------------+------+------+--------+--------+--------+-----|
| P24S/P4S | 1 & | 1 & | Closed | Open | Closed | 1 & |
| | 2 | 2 | | | | 2 |
|-------------+------+------+--------+--------+--------+-----|
| P24T | 1 & | 1 & | Open | Closed | Open | 2 & |
| | 2 | 2 | | | | 3 |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU TYPE CONFIGURATION |
|------------------------------------------------------------|
| Type | RN13 | RN14 | RN16 |
|---------------------+------------+------------+------------|
| Intel 80486SX (PGA) | Not | Not | Not |
| | installed | installed | installed |
|---------------------+------------+------------+------------|
| CX486S (PGA) | Not | Not | Installed |
| | installed | installed | |
|---------------------+------------+------------+------------|
| CX486S (PQFP) | Not | Installed | Not |
| | installed | | installed |
|---------------------+------------+------------+------------|
| CX486S/CX487S (PGA) | Not | Not | Installed |
| | installed | installed | |
|---------------------+------------+------------+------------|
| CX486DX (PGA) | Not | Not | Installed |
| | installed | installed | |
|---------------------+------------+------------+------------|
| Intel 80486DX | Not | Not | Not |
| | installed | installed | installed |
|---------------------+------------+------------+------------|
| Intel 80486DX2 | Not | Not | Not |
| | installed | installed | installed |
|---------------------+------------+------------+------------|
| P23S/P4S (PQFP) | Not | Installed | Not |
| | installed | | installed |
|---------------------+------------+------------+------------|
| P23S/P4S/P24S | Installed | Not | Not |
| | | installed | installed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CLOCK SPEED CONFIGURATION |
|------------------------------------------------------------|
| Speed | JK1 | JK2 | JK3 | JK4 |
|--------+------------+------------+------------+------------|
| 20MHz | pins 1 & 2 | pins 2 & 3 | pins 2 & 3 | pins 2 & 3 |
| | closed | closed | closed | closed |
|--------+------------+------------+------------+------------|
| 25MHz | pins 2 & 3 | pins 1 & 2 | pins 2 & 3 | pins 1 & 2 |
| | closed | closed | closed | closed |
|--------+------------+------------+------------+------------|
| 33MHz | pins 2 & 3 | pins 2 & 3 | pins 1 & 2 | pins 1 & 2 |
| | closed | closed | closed | closed |
|--------+------------+------------+------------+------------|
| 40MHz | pins 1 & 2 | pins 1 & 2 | pins 2 & 3 | pins 1 & 2 |
| | closed | closed | closed | closed |
|--------+------------+------------+------------+------------|
| 50iMHz | pins 1 & 2 | pins 2 & 3 | pins 1 & 2 | pins 2 & 3 |
| | closed | closed | closed | closed |
|--------+------------+------------+------------+------------|
| 50MHz | pins 2 & 3 | pins 1 & 2 | pins 2 & 3 | pins 2 & 3 |
| | closed | closed | closed | closed |
|--------+------------+------------+------------+------------|
| 66iMHz | pins 2 & 3 | pins 2 & 3 | pins 1 & 2 | pins 2 & 3 |
| | closed | closed | closed | closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| VESA WAIT STATE/BUS SPEED (ID2 & ID3) CONFIGURATION |
|------------------------------------------------------------|
| CPU speed | Wait states | JV2 | JV3 |
|------------+----------------+----------------+-------------|
| < 33MHz | 0 wait states | pins 2 & 3 | pins 2 & 3 |
| | | closed | closed |
|------------+----------------+----------------+-------------|
| > 33MHz | 1 wait state | pins 1 & 2 | pins 1 & 2 |
| | | closed | closed |
+------------------------------------------------------------+