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# ZEOS INTERNATIONAL, LTD.
PANTERA 486
Processor 80486SX/80486DX/80486DX2/80486DX4/Pentium Overdrive
Processor 25/33/50(internal)/66(internal)/75(internal)/100(internal)MHz
Speed
Chip Set SMC
Max. 128MB
Onboard
DRAM
Cache 128/256KB (on external cache card)
BIOS AMI
Dimensions 330mm x 218mm
I/O 32-bit PCI bus slots (3), floppy drive interface, IDE
Options interface (2), parallel port, serial ports (2), SCSI
interface, external cache card
NPU None
Options
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|--------------------+----------+-----------------+----------|
| Parallel port | J2 | Low power LED | J11 |
|--------------------+----------+-----------------+----------|
| Serial port 2 | J3 | Power LED & | J12 |
| | | keylock | |
|--------------------+----------+-----------------+----------|
| Serial port 1 | J4 | IDE interface | J13 |
| | | LED | |
|--------------------+----------+-----------------+----------|
| Floppy drive | J5 | Speaker | J14 |
| interface | | | |
|--------------------+----------+-----------------+----------|
| IDE interface | J7 | SCSI connector | J15 |
| (secondary) | | | |
|--------------------+----------+-----------------+----------|
| IDE interface | J8 | 32-bit PCI bus | PC1 - |
| (primary) | | slots | PC3 |
|--------------------+----------+-----------------+----------|
| Chassis fan power | J9 | External cache | SL1 |
| | | card | |
|--------------------+----------+-----------------+----------|
| Reset switch | J10 | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Jumper | Position |
|--------------------------------------+--------+------------|
| » | CMOS memory normal operation | CLR1 | pins 1 & 2 |
| | | | closed |
|---+----------------------------------+--------+------------|
| | CMOS memory clear | CLR1 | pins 3 & 4 |
| | | | closed |
|---+----------------------------------+--------+------------|
| » | Flash BIOS write protect enabled | FLASH1 | pins 1 & 2 |
| | | | closed |
|---+----------------------------------+--------+------------|
| | Flash BIOS write protect | FLASH1 | pins 3 & 4 |
| | disabled | | closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | Bank 2 | Bank 3 |
|-------+-------------+------------+------------+------------|
| 2MB | (1) 256K x | (1) 256K x | NONE | NONE |
| | 36 | 36 | | |
|-------+-------------+------------+------------+------------|
| 4MB | (1) 256K x | (1) 256K x | (1) 256K x | (1) 256K x |
| | 36 | 36 | 36 | 36 |
|-------+-------------+------------+------------+------------|
| 4MB | (1) 512K x | (1) 512K x | NONE | NONE |
| | 36 | 36 | | |
|-------+-------------+------------+------------+------------|
| 8MB | (1) 512K x | (1) 512K x | (1) 512K x | (1) 512K x |
| | 36 | 36 | 36 | 36 |
|-------+-------------+------------+------------+------------|
| 8MB | (1) 1M x 36 | (1) 1M x | NONE | NONE |
| | | 36 | | |
|-------+-------------+------------+------------+------------|
| 10MB | (1) 1M x 36 | (1) 1M x | (1) 256K x | (1) 256K x |
| | | 36 | 36 | 36 |
|-------+-------------+------------+------------+------------|
| 12MB | (1) 1M x 36 | (1) 1M x | (1) 512K x | (1) 512K x |
| | | 36 | 36 | 36 |
|-------+-------------+------------+------------+------------|
| 16MB | (1) 1M x 36 | (1) 1M x | (1) 1M x | (1) 1M x |
| | | 36 | 36 | 36 |
|-------+-------------+------------+------------+------------|
| 16MB | (1) 2M x 36 | (1) 2M x | NONE | NONE |
| | | 36 | | |
|-------+-------------+------------+------------+------------|
| 32MB | (1) 2M 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 | | |
|-------+-------------+------------+------------+------------|
| 64MB | (1) 8M x 36 | (1) 8M x | NONE | NONE |
| | | 36 | | |
|-------+-------------+------------+------------+------------|
| 64MB | (1) 4M x 36 | (1) 4M x | (1) 4M x | (1) 4M x |
| | | 36 | 36 | 36 |
|-------+-------------+------------+------------+------------|
| 96MB | (1) 4M x 36 | (1) 4M x | (1) 8M x | (1) 8M x |
| | | 36 | 36 | 36 |
|-------+-------------+------------+------------+------------|
| 128MB | (1) 8M x 36 | (1) 8M x | (1) 8M x | (1) 8M x |
| | | 36 | 36 | 36 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU TYPE CONFIGURATION |
|------------------------------------------------------------|
| Type | CP1 |
|------------------------------+-----------------------------|
| 80486SX | pins 3 & 5, 4 & 6 closed |
|------------------------------+-----------------------------|
| 80486DX/DX2/DX4/Overdrive | pins 1 & 3, 2 & 4 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED CONFIGURATION |
|------------------------------------------------------------|
| Speed | CLK1 |
|----------------------------+-------------------------------|
| 25MHz | pins 1 & 3, 4 & 6 closed |
|----------------------------+-------------------------------|
| 33MHz | pins 2 & 4, 3 & 5 closed |
|----------------------------+-------------------------------|
| 50iMHz | pins 1 & 3, 4 & 6 closed |
|----------------------------+-------------------------------|
| 66iMHz | pins 2 & 4, 3 & 5 closed |
|----------------------------+-------------------------------|
| 75iMHz | pins 1 & 3, 4 & 6 closed |
|----------------------------+-------------------------------|
| 100iMHz | pins 2 & 4, 3 & 5 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU VOLTAGE CONFIGURATION |
|------------------------------------------------------------|
| Voltage | CP2 |
|----------------------------+-------------------------------|
| 3.3 volt | pins 1 & 3, 2 & 4 closed |
|----------------------------+-------------------------------|
| 5 volt | pins 3 & 5, 4 & 6 closed |
+------------------------------------------------------------+