TEXT View Source
# BIOSTAR MICROTECH INTERNATIONAL, INC.
MB-1500/1575/1590PCT
Processor Pentium
Processor 75/90/100MHz
Speed
Chip Set Unidentified
Max. Onboard 128MB
DRAM
Cache 256/512/1024/2048KB
BIOS Award
Dimensions 330mm x 218mm
I/O Options 32-bit VESA local bus slots (2), 32-bit PCI slots
(3)
NPU Options None
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|---------------+------------+------------------+------------|
| External | JP8 | Turbo switch | JP15 (pins |
| battery | | | 14 - 16) |
|---------------+------------+------------------+------------|
| Speaker | JP15 (pins | +5v ground | JP15 (pins |
| | 1 - 4) | | 17 - 18) |
|---------------+------------+------------------+------------|
| Power LED & | JP15 (pins | Chassis fan | JP32 |
| keylock | 5 - 9) | power | |
|---------------+------------+------------------+------------|
| Turbo LED | JP15 (pins | 32-bit VESA | PC1 - PC3 |
| | 10 - 11) | local bus slots | |
|---------------+------------+------------------+------------|
| Reset switch | JP15 (pins | 32-bit PCI bus | SL1 & SL2 |
| | 12 - 13) | slots | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Jumper | Position |
|--------------------------------------+--------+------------|
| » | Host data wait state select 1 | JP4 | Open |
| | wait state | | |
|---+----------------------------------+--------+------------|
| | Host data wait state select 0 | JP4 | Closed |
| | wait states | | |
|---+----------------------------------+--------+------------|
| » | Back to back I/O delay select 3 | JP6 | Open |
| | wait states | | |
|---+----------------------------------+--------+------------|
| | Back to back I/O delay select 0 | JP6 | Closed |
| | wait states | | |
|---+----------------------------------+--------+------------|
| » | CMOS memory normal operation | JP8 | pins 2 & 3 |
| | | | closed |
|---+----------------------------------+--------+------------|
| | CMOS memory clear | JP8 | pins 3 & 4 |
| | | | closed |
|---+----------------------------------+--------+------------|
| | Battery type select external | JP8 | Closed |
|---+----------------------------------+--------+------------|
| » | Monitor type select color | JP14 | Open |
|---+----------------------------------+--------+------------|
| | Monitor type select monochrome | JP14 | Closed |
|---+----------------------------------+--------+------------|
| » | Factory configured - do not | JP19 | Open |
| | alter | | |
|---+----------------------------------+--------+------------|
| » | Buffer type select stand alone | JP26 | Open |
|---+----------------------------------+--------+------------|
| | Buffer type select loaded | JP26 | Closed |
| | component | | |
|---+----------------------------------+--------+------------|
| » | Factory configured - do not | JP31 | Open |
| | alter | | |
|---+----------------------------------+--------+------------|
| » | Stop clock select enabled | JP33 | Open |
|---+----------------------------------+--------+------------|
| | Stop clock select disabled | JP33 | Closed |
|---+----------------------------------+--------+------------|
| » | Bus/core ratio select 2/3 ratio | JP34 | Open |
|---+----------------------------------+--------+------------|
| | Bus/core ratio select 1/2 ratio | JP34 | Closed |
|---+----------------------------------+--------+------------|
| » | Factory configured - do not | JP35 | Open |
| | alter | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 |
|------------------+--------------------+--------------------|
| 2MB | (2) 256K x 36 | NONE |
|------------------+--------------------+--------------------|
| 4MB | (2) 512K x 36 | NONE |
|------------------+--------------------+--------------------|
| 4MB | (2) 256K x 36 | (2) 256K x 36 |
|------------------+--------------------+--------------------|
| 6MB | (2) 256K x 36 | (2) 512K x 36 |
|------------------+--------------------+--------------------|
| 8MB | (2) 1M x 36 | NONE |
|------------------+--------------------+--------------------|
| 8MB | (2) 512K x 36 | (2) 512K x 36 |
|------------------+--------------------+--------------------|
| 10MB | (2) 256K x 36 | (2) 1M x 36 |
|------------------+--------------------+--------------------|
| 12MB | (2) 512K x 36 | (2) 1M x 36 |
|------------------+--------------------+--------------------|
| 16MB | (2) 2M x 36 | NONE |
|------------------+--------------------+--------------------|
| 16MB | (2) 1M x 36 | (2) 1M x 36 |
|------------------+--------------------+--------------------|
| 18MB | (2) 256K x 36 | (2) 2M x 36 |
|------------------+--------------------+--------------------|
| 20MB | (2) 512K x 36 | (2) 2M x 36 |
|------------------+--------------------+--------------------|
| 24MB | (2) 1M x 36 | (2) 2M x 36 |
|------------------+--------------------+--------------------|
| 32MB | (2) 4M x 36 | NONE |
|------------------+--------------------+--------------------|
| 32MB | (2) 2M x 36 | (2) 2M x 36 |
|------------------+--------------------+--------------------|
| 34MB | (2) 256K x 36 | (2) 4M x 36 |
|------------------+--------------------+--------------------|
| 36MB | (2) 512K x 36 | (2) 4M x 36 |
|------------------+--------------------+--------------------|
| 40MB | (2) 1M x 36 | (2) 4M x 36 |
|------------------+--------------------+--------------------|
| 48MB | (2) 2M x 36 | (2) 4M x 36 |
|------------------+--------------------+--------------------|
| 64MB | (2) 8M x 36 | NONE |
|------------------+--------------------+--------------------|
| 66MB | (2) 256K x 36 | (2) 8M x 36 |
|------------------+--------------------+--------------------|
| 68MB | (2) 512K x 36 | (2) 8M x 36 |
|------------------+--------------------+--------------------|
| 72MB | (2) 1M x 36 | (2) 8M x 36 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION (CON’T) |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 |
|------------------+--------------------+--------------------|
| 80MB | (2) 2M x 36 | (2) 8M x 36 |
|------------------+--------------------+--------------------|
| 96MB | (2) 8M x 36 | (2) 4M x 36 |
|------------------+--------------------+--------------------|
| 96MB | (2) 4M x 36 | (2) 8M x 36 |
|------------------+--------------------+--------------------|
| 128MB | (2) 8M x 36 | (2) 8M x 36 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | TAG |
|------------+---------------+---------------+---------------|
| 256KB | (8) 32K x 8 | NONE | (1) 8K x 8 |
|------------+---------------+---------------+---------------|
| 512KB | (8) 32K x 8 | (8) 32K x 8 | (1) 32K x 8 |
|------------+---------------+---------------+---------------|
| 512KB | (8) 64K x 8 | NONE | (1) 32K x 8 |
|------------+---------------+---------------+---------------|
| 1MB | (8) 64K x 8 | (8) 64K x 8 | (1) 32K x 8 |
|------------+---------------+---------------+---------------|
| 1MB | (8) 128K x 8 | NONE | (1) 32K x 8 |
|------------+---------------+---------------+---------------|
| 2MB | (8) 128K x 8 | (8) 128K x 8 | (1) 64K x 8 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE JUMPER CONFIGURATION |
|------------------------------------------------------------|
| Size | JP20 | JP21 | JP22 | JP23 | JP28 | JP29 | JP30 |
|-------+-------+-------+-------+-------+------+------+------|
| 256KB | Open | Open | Open | Open |1 & 2 | Open |1 & 2 |
|-------+-------+-------+-------+-------+------+------+------|
| 512KB | Open | Open |Closed | Open |2 & 3 | Open |2 & 3 |
|-------+-------+-------+-------+-------+------+------+------|
| 512KB | Open | Open |Closed | Open |1 & 2 |2 & 3 |1 & 2 |
|-------+-------+-------+-------+-------+------+------+------|
| 1MB | Open |Closed |Closed | Open |2 & 3 |1 & 2 |2 & 3 |
|-------+-------+-------+-------+-------+------+------+------|
| 1MB | Open |Closed |Closed | 2 & 3 |1 & 2 |2 & 3 |1 & 2 |
|-------+-------+-------+-------+-------+------+------+------|
| 2MB |Closed |Closed |Closed | 1 & 2 |2 & 3 |1 & 2 |2 & 3 |
|------------------------------------------------------------|
|Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE VOLTAGE CONFIGURATION |
|------------------------------------------------------------|
| Voltage | JP17 | JP18 |
|---------+-------------------------+------------------------|
| 3v | pins 3 & 5, 4 & 6 | pins 3 & 5, 4 & 6 |
| | closed | closed |
|---------+-------------------------+------------------------|
| 5v | pins 1 & 3, 2 & 4 | pins 1 & 3, 2 & 4 |
| | closed | closed |
|------------------------------------------------------------|
| Note: JP17 = Bank 0 and JP18 = Bank 1. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED CONFIGURATION |
|------------------------------------------------------------|
| Speed | JP11 | JP12 | JP13 |
|---------------+--------------+--------------+--------------|
| 75MHz | Closed | Open | Open |
|---------------+--------------+--------------+--------------|
| 90MHz | Open | Closed | Open |
|---------------+--------------+--------------+--------------|
| 100MHz | Closed | Open | Closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| VESA WAIT STATE CONFIGURATION |
|------------------------------------------------------------|
| Wait states | JP5 |
|-------------------------------+----------------------------|
| 0 wait states | Open |
|-------------------------------+----------------------------|
| 1 wait state | Closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BUS SPEED CONFIGURATION |
|------------------------------------------------------------|
| CPU speed | JP3 |
|-------------------------------+----------------------------|
| CPU clock/2 | Open |
|-------------------------------+----------------------------|
| = 50MHz | Closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| AT CLOCK CONFIGURATION |
|------------------------------------------------------------|
| Clock | JP7 | JP9 |
|--------------------+-------------------+-------------------|
| LCLK/3 | Open | Closed |
|--------------------+-------------------+-------------------|
| LCLK/4 | Closed | Open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| PCI IRQ CONFIGURATION |
|------------------------------------------------------------|
| IRQ | JP37 | JP38 |
|------------------+--------------------+--------------------|
| IRQ14 | pins 2 & 3 closed | pins 1 & 2 closed |
|------------------+--------------------+--------------------|
| IRQ15 | pins 1 & 2 closed | pins 2 & 3 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRIVE ENABLE CONFIGURATION |
|------------------------------------------------------------|
| Speed | JP25 | JP27 |
|-------------------+--------------------+-------------------|
| 50MHz | Open | Open |
|-------------------+--------------------+-------------------|
| 60MHz | Closed | Closed |
|-------------------+--------------------+-------------------|
| 66MHz | Closed | Closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| FLASH MEMORY CONFIGURATION |
|------------------------------------------------------------|
| Setting | JP24 |
|----------------------------+-------------------------------|
| EPROM | Open |
|----------------------------+-------------------------------|
| 5v flash | pins 2 & 3 closed |
|----------------------------+-------------------------------|
| 12v flash | pins 1 & 2 closed |
+------------------------------------------------------------+