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# UNIDENTIFIED
P54C-IP
Processor Pentium
Processor 75/90/100/120/133MHz
Speed
Chip Set Intel
Max. Onboard 128MB
DRAM
Cache 256/512KB
BIOS Award
Dimensions 280mm x 220mm
I/O Options 32-bit PCI slots (4), floppy drive interface,
green PC connector, IDE interfaces (2), parallel
port, PS/2 mouse port, serial ports (2)
NPU Options None
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|-------------------+----------+------------------+----------|
| Serial port 1 | CN1 | Turbo LED | J3 |
|-------------------+----------+------------------+----------|
| Serial port 2 | CN2 | Power LED & | J5 |
| | | keylock | |
|-------------------+----------+------------------+----------|
| Parallel port | CN3 | Speaker | J7 |
|-------------------+----------+------------------+----------|
| Floppy drive | CN4 | Reset switch | J8 |
| interface | | | |
|-------------------+----------+------------------+----------|
| IDE interface 2 | CN5 | External battery | JP9 |
|-------------------+----------+------------------+----------|
| IDE interface 1 | CN6 | IDE interface | JP17 |
| | | LED | |
|-------------------+----------+------------------+----------|
| PS/2 mouse port | CN7 | Green PC | JP21 |
| | | connector | |
|-------------------+----------+------------------+----------|
| Turbo switch | J1 | 32-bit PCI slots | PC1 - |
| | | | PC4 |
|------------------------------------------------------------|
| Note: The location of pin 1 is unidentified. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Jumper | Position |
|----------------------------------+--------+----------------|
| | BIOS type select EPROM | JP1 | Open |
|---+------------------------------+--------+----------------|
| | BIOS type select 5v flash | JP1 | pins 2 & 3 |
| | | | closed |
|---+------------------------------+--------+----------------|
| | BIOS type select 12v flash | JP1 | pins 1 & 2 |
| | | | closed |
|---+------------------------------+--------+----------------|
| » | CMOS memory normal operation | JP7 | Open |
|---+------------------------------+--------+----------------|
| | CMOS memory clear | JP7 | Closed |
|---+------------------------------+--------+----------------|
| » | Battery normal operation | JP8 | pins 1 & 2 |
| | | | closed |
|---+------------------------------+--------+----------------|
| | Battery clear | JP8 | pins 2 & 3 |
| | | | closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 |
|------------------+--------------------+--------------------|
| 2MB | (2) 256K x 32 | NONE |
|------------------+--------------------+--------------------|
| 4MB | (2) 512K x 32 | NONE |
|------------------+--------------------+--------------------|
| 4MB | (2) 256K x 32 | (2) 256K x 32 |
|------------------+--------------------+--------------------|
| 6MB | (2) 512K x 32 | (2) 256K x 32 |
|------------------+--------------------+--------------------|
| 6MB | (2) 256K x 32 | (2) 512K x 32 |
|------------------+--------------------+--------------------|
| 8MB | (2) 1M x 32 | NONE |
|------------------+--------------------+--------------------|
| 8MB | (2) 512K x 32 | (2) 512K x 32 |
|------------------+--------------------+--------------------|
| 10MB | (2) 1M x 32 | (2) 256K x 32 |
|------------------+--------------------+--------------------|
| 10MB | (2) 256K x 32 | (2) 1M x 32 |
|------------------+--------------------+--------------------|
| 12MB | (2) 1M x 32 | (2) 512K x 32 |
|------------------+--------------------+--------------------|
| 12MB | (2) 512K x 32 | (2) 1M x 32 |
|------------------+--------------------+--------------------|
| 16MB | (2) 2M x 32 | NONE |
|------------------+--------------------+--------------------|
| 16MB | (2) 1M x 32 | (2) 1M x 32 |
|------------------+--------------------+--------------------|
| 18MB | (2) 2M x 32 | (2) 256K x 32 |
|------------------+--------------------+--------------------|
| 18MB | (2) 256K x 32 | (2) 2M x 32 |
|------------------+--------------------+--------------------|
| 20MB | (2) 2M x 32 | (2) 512K x 32 |
|------------------+--------------------+--------------------|
| 20MB | (2) 512K x 32 | (2) 2M x 32 |
|------------------+--------------------+--------------------|
| 24MB | (2) 2M x 32 | (2) 1M x 32 |
|------------------+--------------------+--------------------|
| 24MB | (2) 1M x 32 | (2) 2M x 32 |
|------------------+--------------------+--------------------|
| 32MB | (2) 4M x 32 | NONE |
|------------------+--------------------+--------------------|
| 32MB | (2) 2M x 32 | (2) 2M x 32 |
|------------------+--------------------+--------------------|
| 34MB | (2) 4M x 32 | (2) 256K x 32 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 |
|------------------+--------------------+--------------------|
| 34MB | (2) 256K x 32 | (2) 4M x 32 |
|------------------+--------------------+--------------------|
| 36MB | (2) 4M x 32 | (2) 512K x 32 |
|------------------+--------------------+--------------------|
| 36MB | (2) 512K x 32 | (2) 4M x 32 |
|------------------+--------------------+--------------------|
| 40MB | (2) 4M x 32 | (2) 1M x 32 |
|------------------+--------------------+--------------------|
| 40MB | (2) 1M x 32 | (2) 4M x 32 |
|------------------+--------------------+--------------------|
| 48MB | (2) 4M x 32 | (2) 2M x 32 |
|------------------+--------------------+--------------------|
| 48MB | (2) 2M x 32 | (2) 4M x 32 |
|------------------+--------------------+--------------------|
| 64MB | (2) 8M x 32 | NONE |
|------------------+--------------------+--------------------|
| 64MB | (2) 4M x 32 | (2) 4M x 32 |
|------------------+--------------------+--------------------|
| 66MB | (2) 8M x 32 | (2) 256K x 32 |
|------------------+--------------------+--------------------|
| 66MB | (2) 256K x 32 | (2) 8M x 32 |
|------------------+--------------------+--------------------|
| 68MB | (2) 8M x 32 | (2) 512K x 32 |
|------------------+--------------------+--------------------|
| 68MB | (2) 512K x 32 | (2) 8M x 32 |
|------------------+--------------------+--------------------|
| 72MB | (2) 8M x 32 | (2) 1M x 32 |
|------------------+--------------------+--------------------|
| 72MB | (2) 1M x 32 | (2) 8M x 32 |
|------------------+--------------------+--------------------|
| 80MB | (2) 8M x 32 | (2) 2M x 32 |
|------------------+--------------------+--------------------|
| 80MB | (2) 2M x 32 | (2) 8M x 32 |
|------------------+--------------------+--------------------|
| 96MB | (2) 8M x 32 | (2) 4M x 32 |
|------------------+--------------------+--------------------|
| 96MB | (2) 4M x 32 | (2) 8M x 32 |
|------------------+--------------------+--------------------|
| 128MB | (2) 8M x 32 | (2) 8M x 32 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | TAG |
|------------------+--------------------+--------------------|
| 256KB | (8) 32K x 8 | (1) 8K x 8 |
|------------------+--------------------+--------------------|
| 512KB | (8) 64K x 8 | (1) 32K x 8 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE JUMPER CONFIGURATION |
|------------------------------------------------------------|
| Size | JP10 | JP11 | JP22 |
|-------+-----------------+-----------------+----------------|
| None | pins 2 & 3 | pins 2 & 3 | N/A |
| | closed | closed | |
|-------+-----------------+-----------------+----------------|
| 256KB | pins 1 & 2 | pins 2 & 3 | pins 1 & 2 |
| | closed | closed | closed |
|-------+-----------------+-----------------+----------------|
| 512KB | pins 2 & 3 | pins 1 & 2 | pins 2 & 3 |
| | closed | closed | closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED CONFIGURATION |
|------------------------------------------------------------|
| Speed | JP4 | JP15 | JP16 | JP20 |
|----------+---------+---------+---------+-------------------|
| 75MHz | Open | Open | Open | pins 1 & 2 closed |
|----------+---------+---------+---------+-------------------|
| 90MHz | Open | Closed | Open | pins 2 & 3 closed |
|----------+---------+---------+---------+-------------------|
| 100MHz | Open | Closed | Closed | pins 2 & 3 closed |
|----------+---------+---------+---------+-------------------|
| 120MHz | Closed | Closed | Open | pins 2 & 3 closed |
|----------+---------+---------+---------+-------------------|
| 133MHz | Closed | Closed | Closed | pins 2 & 3 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DMA CONFIGURATION |
|------------------------------------------------------------|
| DMA | JP12 | JP13 |
|------------------+--------------------+--------------------|
| DMA 1 | pins 2 & 3 closed | pins 2 & 3 closed |
|------------------+--------------------+--------------------|
| DMA 3 | pins 1 & 2 closed | pins 1 & 2 closed |
+------------------------------------------------------------+