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# YOUNG MICRO SYSTEMS, INC.
VEGA MERCURY PENTIUM PCI
Processor Pentium
Processor Speed 60/66MHz
Chip Set Intel
Max. Onboard DRAM 192MB
Cache 256/512KB
BIOS AMI
Dimensions 330mm x 218mm
I/O Options 32-bit PCI bus slots (3), PS/2 mouse port
NPU Options None
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|--------------------+----------+-----------------+----------|
| Speaker | J1 | Power LED & | J8 |
| | | keylock | |
|--------------------+----------+-----------------+----------|
| Reset switch | J3 | 32-bit PCI bus | SL1, |
| | | | SL2, SL3 |
|--------------------+----------+-----------------+----------|
| PS/2 mouse | J4 | | |
| connector | | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Jumper | Position |
|--------------------------------------+--------+------------|
| » | CMOS memory normal operation | J2 | Open |
|---+----------------------------------+--------+------------|
| | CMOS memory clear | J2 | Closed |
|---+----------------------------------+--------+------------|
| » | Factory configured - do not | J5 | Open |
| | alter | | |
|---+----------------------------------+--------+------------|
| » | Factory configured - do not | J6 | Open |
| | alter | | |
|---+----------------------------------+--------+------------|
| » | Factory configured - do not | J7 | Open |
| | alter | | |
|---+----------------------------------+--------+------------|
| » | Flash BIOS write protect enabled | J10 | pins 1 & 2 |
| | | | closed |
|---+----------------------------------+--------+------------|
| » | Flash BIOS write protect | J10 | pins 2 & 3 |
| | disabled | | closed |
|---+----------------------------------+--------+------------|
| » | Flash BIOS programming normal | J11 | Open |
| | mode | | |
|---+----------------------------------+--------+------------|
| | Flash BIOS programming flash | J11 | Closed |
| | EPROM | | |
|---+----------------------------------+--------+------------|
| » | Factory configured - do not | J45 | Open |
| | alter | | |
|---+----------------------------------+--------+------------|
| » | Factory configured - do not | J46 | Open |
| | alter | | |
|---+----------------------------------+--------+------------|
| » | Factory configured - do not | J47 | Open |
| | alter | | |
|---+----------------------------------+--------+------------|
| » | Factory configured - do not | J48 | Closed |
| | alter | | |
|---+----------------------------------+--------+------------|
| » | Factory configured - do not | J49 | Closed |
| | alter | | |
|---+----------------------------------+--------+------------|
| » | Factory configured - do not | J72 | pins 2 & 3 |
| | alter | | closed |
|---+----------------------------------+--------+------------|
| » | Factory configured - do not | JQ5 | pins 2 & 3 |
| | alter | | closed |
|---+----------------------------------+--------+------------|
| » | Factory configured - do not | JQ9 | pins 2 & 3 |
| | alter | | closed |
|---+----------------------------------+--------+------------|
| » | Factory configured - do not | JQ11 | pins 2 & 3 |
| | alter | | closed |
|---+----------------------------------+--------+------------|
| » | PCI IRQ trigger type select | JQ14 | pins 1 & 2 |
| | inverted | | closed |
|---+----------------------------------+--------+------------|
| | PCI IRQ trigger type select | JQ14 | pins 2 & 3 |
| | standard | | closed |
|---+----------------------------------+--------+------------|
| » | Factory configured - do not | JQ15 | pins 2 & 3 |
| | alter | | closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | Bank 2 |
|------------+---------------+---------------+---------------|
| 1MB | (2) 256K x 36 | NONE | NONE |
|------------+---------------+---------------+---------------|
| 4MB | (2) 256K x 36 | (2) 256K x 36 | NONE |
|------------+---------------+---------------+---------------|
| 8MB | (2) 256K x 36 | (2) 256K x 36 | (2) 256K x 36 |
|------------+---------------+---------------+---------------|
| 16MB | (2) 2M x 36 | NONE | NONE |
|------------+---------------+---------------+---------------|
| 16MB | (2) 1M x 36 | (2) 1M x 36 | NONE |
|------------+---------------+---------------+---------------|
| 32MB | (2) 4M x 36 | NONE | NONE |
|------------+---------------+---------------+---------------|
| 32MB | (2) 2M x 36 | (1) 2M x 36 | NONE |
|------------+---------------+---------------+---------------|
| 64MB | (2) 8M x 36 | NONE | NONE |
|------------+---------------+---------------+---------------|
| 64MB | (2) 4M x 36 | (2) 4M x 36 | NONE |
|------------+---------------+---------------+---------------|
| 128MB | (2) 8M x 36 | (2) 8M x 36 | NONE |
|------------+---------------+---------------+---------------|
| 192MB | (2) 8M x 36 | (2) 8M x 36 | (2) 8M x 36 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 |
|----------------------------+-------------------------------|
| 256KB | (8) 32K x 8 |
|----------------------------+-------------------------------|
| 512KB | (8) 64K x 8 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE JUMPER CONFIGURATION |
|------------------------------------------------------------|
| Size | J71 |
|----------------------------+-------------------------------|
| 256KB | pins 1 & 2 closed |
|----------------------------+-------------------------------|
| 512KB | pins 2 & 3 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| PCI INTERRUPT CONFIGURATION |
|------------------------------------------------------------|
| Interrupt | J73/A | J73/B | J73/C | J73/D |
|------------+-----------+-----------+-----------+-----------|
| INT A | Closed | Open | Open | Open |
|------------+-----------+-----------+-----------+-----------|
| INT B | Open | Closed | Open | Open |
|------------+-----------+-----------+-----------+-----------|
| INT C | Open | Open | Closed | Open |
|------------+-----------+-----------+-----------+-----------|
| INT D | Open | Open | Open | Closed |
+------------------------------------------------------------+