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# ABIT COMPUTER CORPORATION
PG5 PCI
Processor CX M1/AM K5/Pentium
Processor 75/90/100/120/133/150/166/180MHz
Speed
Chip Set Unidentified
Max. Onboard 128MB
DRAM
Cache 256/512KB
BIOS Award
Dimensions 330mm x 218mm
I/O Options 32-bit PCI slots (2), floppy drive interface,
green PC connector, IDE interfaces (2), parallel
port, PS/2 mouse port, serial ports (2), cache
slot, VGA slot, PISA slot
NPU Options None
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|-------------------+-----------+---------------+------------|
| Serial port 2 | CN1 | Green PC | J15 pins |
| | | connector | 14 & 15 |
|-------------------+-----------+---------------+------------|
| Serial port 1 | CN2 | Turbo switch | J15 pins |
| | | | 16 - 18 |
|-------------------+-----------+---------------+------------|
| Parallel port | CN3 | Reset switch | J15 pins |
| | | | 19 & 20 |
|-------------------+-----------+---------------+------------|
| Floppy drive | CN4 | Green PC | JP5 |
| interface | | connector | |
|-------------------+-----------+---------------+------------|
| IDE interface 2 | CN5 | External | JP34 |
| | | battery | |
|-------------------+-----------+---------------+------------|
| IDE interface 1 | CN6 | Chassis fan | JP37 |
| | | power | |
|-------------------+-----------+---------------+------------|
| PS/2 mouse port | CN7 | 32-bit PCI | PC1 & PC2 |
| | | slots | |
|-------------------+-----------+---------------+------------|
| IDE interface LED | J14 | Cache slot | SL1 |
|-------------------+-----------+---------------+------------|
| Power LED & | J15 pins | VGA slot | SL2 |
| keylock | 1 - 5 | | |
|-------------------+-----------+---------------+------------|
| Speaker | J15 pins | PISA slot | SL3 |
| | 7 - 10 | | |
|-------------------+-----------+---------------+------------|
| Turbo LED | J15 pins | | |
| | 12 & 13 | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Jumper | Position |
|------------------------------------+--------+--------------|
| | On board I/O enabled | JP6 | Open |
|---+--------------------------------+--------+--------------|
| | On board I/O disabled | JP6 | Closed |
|---+--------------------------------+--------+--------------|
| » | Flash BIOS voltage select 5v | JP18 | Pins 2 & 3 |
| | | | closed |
|---+--------------------------------+--------+--------------|
| | Flash BIOS voltage select 12v | JP18 | Pins 1 & 2 |
| | | | closed |
|---+--------------------------------+--------+--------------|
| » | Monitor type select color | JP30 | Closed |
|---+--------------------------------+--------+--------------|
| | Monitor type select monochrome | JP30 | Open |
|---+--------------------------------+--------+--------------|
| » | CMOS memory normal operation | JP33 | Pins 1 & 2 |
| | | | closed |
|---+--------------------------------+--------+--------------|
| | CMOS memory clear | JP33 | Pins 2 & 3 |
| | | | closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | Bank 2 | Bank 3 |
|------+-------------+-------------+------------+------------|
| 2MB | (1) 256K x | (1) 256K x | NONE | NONE |
| | 32 | 32 | | |
|------+-------------+-------------+------------+------------|
| 2MB | NONE | NONE | (1) 256K x | (1) 256K x |
| | | | 32 | 32 |
|------+-------------+-------------+------------+------------|
| 4MB | (1) 1M x 32 | NONE | NONE | NONE |
|------+-------------+-------------+------------+------------|
| 4MB | (1) 256K x | (1) 256K x | (1) 256K x | (1) 256K x |
| | 32 | 32 | 32 | 32 |
|------+-------------+-------------+------------+------------|
| 8MB | (1) 2M x 32 | NONE | NONE | NONE |
|------+-------------+-------------+------------+------------|
| 8MB | (1) 1M x 32 | (1) 1M x 32 | NONE | NONE |
|------+-------------+-------------+------------+------------|
| 8MB | NONE | NONE | (1) 1M x | (1) 1M x |
| | | | 32 | 32 |
|------+-------------+-------------+------------+------------|
| 10MB | (1) 1M x 32 | (1) 1M x 32 | (1) 256K x | (1) 256K x |
| | | | 32 | 32 |
|------+-------------+-------------+------------+------------|
| 10MB | (1) 256K x | (1) 256K x | (1) 1M x | (1) 1M x |
| | 32 | 32 | 32 | 32 |
|------+-------------+-------------+------------+------------|
| 16MB | (1) 4M x 32 | NONE | NONE | NONE |
|------+-------------+-------------+------------+------------|
| 16MB | (1) 2M x 32 | (1) 2M x 32 | NONE | NONE |
|------+-------------+-------------+------------+------------|
| 16MB | (1) 1M x 32 | (1) 1M x 32 | (1) 1M x | (1) 1M x |
| | | | 32 | 32 |
|------+-------------+-------------+------------+------------|
| 16MB | NONE | NONE | (1) 2M x | (1) 2M x |
| | | | 32 | 32 |
|------+-------------+-------------+------------+------------|
| 18MB | (1) 2M x 32 | (1) 2M x 32 | (1) 256K x | (1) 256K x |
| | | | 32 | 32 |
|------+-------------+-------------+------------+------------|
| 18MB | (1) 256K x | (1) 256K x | (1) 2M x | (1) 2M x |
| | 32 | 32 | 32 | 32 |
|------+-------------+-------------+------------+------------|
| 24MB | (1) 2M x 32 | (1) 2M x 32 | (1) 1M x | (1) 1M x |
| | | | 32 | 32 |
|------+-------------+-------------+------------+------------|
| 24MB | (1) 1M x 32 | (1) 1M x 32 | (1) 2M x | (1) 2M x |
| | | | 32 | 32 |
|------+-------------+-------------+------------+------------|
| 32MB | (1) 8M x 32 | NONE | NONE | NONE |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION (CON’T) |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | Bank 2 | Bank 3 |
|-------+-------------+------------+------------+------------|
| 32MB | (1) 4M x 32 | (1) 4M x | NONE | NONE |
| | | 32 | | |
|-------+-------------+------------+------------+------------|
| 32MB | (1) 2M x 32 | (1) 2M x | (1) 2M x | (1) 2M x |
| | | 32 | 32 | 32 |
|-------+-------------+------------+------------+------------|
| 32MB | NONE | NONE | (1) 4M x | (1) 4M x |
| | | | 32 | 32 |
|-------+-------------+------------+------------+------------|
| 34MB | (1) 4M x 32 | (1) 4M x | (1) 256K x | (1) 256K x |
| | | 32 | 32 | 32 |
|-------+-------------+------------+------------+------------|
| 34MB | (1) 256K x | (1) 256K x | (1) 4M x | (1) 4M x |
| | 32 | 32 | 32 | 32 |
|-------+-------------+------------+------------+------------|
| 40MB | (1) 4M x 32 | (1) 4M x | (1) 1M x | (1) 1M x |
| | | 32 | 32 | 32 |
|-------+-------------+------------+------------+------------|
| 40MB | (1) 1M x 32 | (1) 1M x | (1) 4M x | (1) 4M x |
| | | 32 | 32 | 32 |
|-------+-------------+------------+------------+------------|
| 48MB | (1) 4M x 32 | (1) 4M x | (1) 2M x | (1) 2M x |
| | | 32 | 32 | 32 |
|-------+-------------+------------+------------+------------|
| 48MB | (1) 2M x 32 | (1) 2M x | (1) 4M x | (1) 4M x |
| | | 32 | 32 | 32 |
|-------+-------------+------------+------------+------------|
| 64MB | (1) 8M x 32 | (1) 8M x | NONE | NONE |
| | | 32 | | |
|-------+-------------+------------+------------+------------|
| 64MB | (1) 4M x 32 | (1) 4M x | (1) 4M x | (1) 4M x |
| | | 32 | 32 | 32 |
|-------+-------------+------------+------------+------------|
| 64MB | NONE | NONE | (1) 8M x | (1) 8M x |
| | | | 32 | 32 |
|-------+-------------+------------+------------+------------|
| 66MB | (1) 8M x 32 | (1) 8M x | (1) 256K x | (1) 256K x |
| | | 32 | 32 | 32 |
|-------+-------------+------------+------------+------------|
| 66MB | (1) 256K x | (1) 256K x | (1) 8M x | (1) 8M x |
| | 32 | 32 | 32 | 32 |
|-------+-------------+------------+------------+------------|
| 72MB | (1) 8M x 32 | (1) 8M x | (1) 1M x | (1) 1M x |
| | | 32 | 32 | 32 |
|-------+-------------+------------+------------+------------|
| 72MB | (1) 1M x 32 | (1) 1M x | (1) 8M x | (1) 8M x |
| | | 32 | 32 | 32 |
|-------+-------------+------------+------------+------------|
| 80MB | (1) 8M x 32 | (1) 8M x | (1) 2M x | (1) 2M x |
| | | 32 | 32 | 32 |
|-------+-------------+------------+------------+------------|
| 80MB | (1) 2M x 32 | (1) 2M x | (1) 8M x | (1) 8M x |
| | | 32 | 32 | 32 |
|-------+-------------+------------+------------+------------|
| 96MB | (1) 8M x 32 | (1) 8M x | (1) 4M x | (1) 4M x |
| | | 32 | 32 | 32 |
|-------+-------------+------------+------------+------------|
| 96MB | (1) 4M x 32 | (1) 4M x | (1) 8M x | (1) 8M x |
| | | 32 | 32 | 32 |
|-------+-------------+------------+------------+------------|
| 128MB | (1) 8M x 32 | (1) 8M x | (1) 8M x | (1) 8M x |
| | | 32 | 32 | 32 |
|------------------------------------------------------------|
| Note: Board also accepts EDO DRAM. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | TAG | SL1 |
|-----------+-------------+------------------+---------------|
| 256KB (A) | (8) 32K x 8 | (1) 8K/16K/32K x | Not installed |
| | | 8 | |
|-----------+-------------+------------------+---------------|
| 256KB (B) | NONE | NONE | Installed |
|-----------+-------------+------------------+---------------|
| 512KB (A) | (8) 64K x 8 | (1) 16K/32K x 8 | Not installed |
|-----------+-------------+------------------+---------------|
| 512KB (B) | NONE | NONE | Installed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE JUMPER CONFIGURATION |
|------------------------------------------------------------|
| Size | JP2 | JP3 |
|------------------+--------------------+--------------------|
| 256KB (A) | Pins 1 & 2 closed | Pins 1 & 2 closed |
|------------------+--------------------+--------------------|
| 256KB (B) | Pins 2 & 3 closed | Pins 1 & 2 closed |
|------------------+--------------------+--------------------|
| 512KB (A) | Pins 1 & 2 closed | Pins 2 & 3 closed |
|------------------+--------------------+--------------------|
| 512KB (B) | Pins 2 & 3 closed | Pins 1 & 2 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED CONFIGURATION (CYRIX) |
|------------------------------------------------------------|
| Speed | JP15A | JP15C |
|------------+--------------------------+--------------------|
| 80MHz | Pins 3 & 4 closed | Pins 1 & 2 closed |
|------------+--------------------------+--------------------|
| 100MHz | Pins 3 & 4, 5 & 6 closed | Pins 1 & 2 closed |
|------------+--------------------------+--------------------|
| 120MHz | Pins 3 & 4 closed | Pins 3 & 4 closed |
|------------+--------------------------+--------------------|
| 150MHz | Pins 3 & 4, 5 & 6 closed | Pins 3 & 4 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED CONFIGURATION (INTEL) |
|------------------------------------------------------------|
| Speed | JP15A | JP15C |
|--------+------------------------------+--------------------|
| 75MHz | Pins 3 & 4, 5 & 6 closed | Open |
|--------+------------------------------+--------------------|
| 90MHz | Pins 1 & 2, 5 & 6 closed | Open |
|--------+------------------------------+--------------------|
| 100MHz | Pins 1 & 2, 3 & 4, 5 & 6 | Open |
| | closed | |
|--------+------------------------------+--------------------|
| 120MHz | Pins 1 & 2, 5 & 6 closed | Pins 1 & 2 closed |
|--------+------------------------------+--------------------|
| 133MHz | Pins 1 & 2, 3 & 4, 5 & 6 | Pins 1 & 2 closed |
| | closed | |
|--------+------------------------------+--------------------|
| 150MHz | Pins 1 & 2, 5 & 6 closed | Pins 1 & 2, 3 & 4 |
| | | closed |
|--------+------------------------------+--------------------|
| 166MHz | Pins 1 & 2, 3 & 4, 5 & 6 | Pins 1 & 2, 3 & 4 |
| | closed | closed |
|--------+------------------------------+--------------------|
| 180MHz | Pins 1 & 2, 5 & 6 closed | Pins 3 & 4 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU VOLTAGE CONFIGURATION |
|------------------------------------------------------------|
| Voltage | JP29 |
|----------------------------+-------------------------------|
| » | 3.4v | Pins 3 & 4 closed |
|---+------------------------+-------------------------------|
| | 3.5v | Pins 1 & 2 closed |
+------------------------------------------------------------+