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# ASUS COMPUTER INTERNATIONAL
PCI/I-P54NP4D
Processor Pentium
Processor 75/90/100MHz
Speed
Chip Set Intel
Max. Onboard 512MB
DRAM
Cache 256/512KB
BIOS Award
Dimensions 330mm x 218mm
I/O Options 32-bit PCI slots (4), floppy drive interface, IDE
interface, parallel port, PS/2 mouse interface,
serial ports (2)
NPU Options None
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|---------------+-------------+-------------------+----------|
| Keylock | CON6 pins 1 | Floppy drive | CN3 |
| | - 5 | interface | |
|---------------+-------------+-------------------+----------|
| Speaker | CON6 pins 7 | IDE interface | CN4 |
| | - 10 | | |
|---------------+-------------+-------------------+----------|
| Reset switch | CON6 pins | Parallel port | CN5 |
| | 12 - 13 | | |
|---------------+-------------+-------------------+----------|
| Power LED | CON6 pins | Serial port 1 | CN6 |
| | 15 - 16 | | |
|---------------+-------------+-------------------+----------|
| Green PC | CON6 pins | Serial port 2 | CN7 |
| connector | 18 - 19 | | |
|---------------+-------------+-------------------+----------|
| PS/2 mouse | CN1 | 32-bit PCI slots | PC1 - |
| interface | | | PC4 |
|---------------+-------------+-------------------+----------|
| IDE interface | CN2 | | |
| LED | | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Jumper | Position |
|-------------------------------------+--------+-------------|
| » | PS/2 mouse enabled | JP11 | pins 1 & 2 |
| | | | closed |
|---+---------------------------------+--------+-------------|
| | PS/2 mouse disabled | JP11 | pins 2 & 3 |
| | | | closed |
|---+---------------------------------+--------+-------------|
| » | On board I/O enabled | JP16 | pins 1 & 2 |
| | | | closed |
|---+---------------------------------+--------+-------------|
| | On board I/O disabled | JP16 | pins 2 & 3 |
| | | | closed |
|---+---------------------------------+--------+-------------|
| » | Flash BIOS voltage select 5v | JP17 | pins 1 & 2 |
| | | | closed |
|---+---------------------------------+--------+-------------|
| | Flash BIOS voltage select 12v | JP17 | pins 2 & 3 |
| | | | closed |
|---+---------------------------------+--------+-------------|
| » | Internal clock speed select 2/3 | JP18 | Open |
|---+---------------------------------+--------+-------------|
| | Internal clock speed select 1/2 | JP18 | Closed |
|---+---------------------------------+--------+-------------|
| » | Single Pentium installed | JP19 | pins 2 & 3 |
| | | | closed |
|---+---------------------------------+--------+-------------|
| | Dual Pentium installed | JP19 | pins 1 & 2 |
| | | | closed |
|---+---------------------------------+--------+-------------|
| » | Cache type select write back | JP20 | Open |
|---+---------------------------------+--------+-------------|
| | Cache type select write through | JP20 | Closed |
|---+---------------------------------+--------+-------------|
| » | CPU ratio select 2:1 | JP21 | pins 1 & 2 |
| | | | closed |
|---+---------------------------------+--------+-------------|
| | CPU ratio select 3:2 | JP21 | pins 2 & 3 |
| | | | closed |
|---+---------------------------------+--------+-------------|
| » | Pipeline mode disabled | JP31 | Open |
|---+---------------------------------+--------+-------------|
| | Pipeline mode enabled | JP31 | Closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 |
|------------------+--------------------+--------------------|
| 2MB | (2) 256K x 36 | NONE |
|------------------+--------------------+--------------------|
| 4MB | (2) 256K x 36 | (2) 256K x 36 |
|------------------+--------------------+--------------------|
| 4MB | (2) 512K x 36 | NONE |
|------------------+--------------------+--------------------|
| 6MB | (2) 256K x 36 | (2) 512K x 36 |
|------------------+--------------------+--------------------|
| 6MB | (2) 512K x 36 | (2) 256K x 36 |
|------------------+--------------------+--------------------|
| 8MB | (2) 512K x 36 | (2) 512K x 36 |
|------------------+--------------------+--------------------|
| 8MB | (2) 1M x 36 | NONE |
|------------------+--------------------+--------------------|
| 10MB | (2) 256K x 36 | (2) 1M x 36 |
|------------------+--------------------+--------------------|
| 10MB | (2) 1M x 36 | (2) 256K x 36 |
|------------------+--------------------+--------------------|
| 12MB | (2) 512K x 36 | (2) 1M x 36 |
|------------------+--------------------+--------------------|
| 12MB | (2) 1M x 36 | (2) 512K x 36 |
|------------------+--------------------+--------------------|
| 16MB | (2) 1M x 36 | (2) 1M x 36 |
|------------------+--------------------+--------------------|
| 16MB | (2) 2M x 36 | NONE |
|------------------+--------------------+--------------------|
| 18MB | (2) 256K x 36 | (2) 2M x 36 |
|------------------+--------------------+--------------------|
| 18MB | (2) 2M x 36 | (2) 256K x 36 |
|------------------+--------------------+--------------------|
| 20MB | (2) 512K x 36 | (2) 2M x 36 |
|------------------+--------------------+--------------------|
| 20MB | (2) 2M x 36 | (2) 512K x 36 |
|------------------+--------------------+--------------------|
| 24MB | (2) 1M x 36 | (2) 2M x 36 |
|------------------+--------------------+--------------------|
| 24MB | (2) 2M x 36 | (2) 1M x 36 |
|------------------+--------------------+--------------------|
| 32MB | (2) 2M x 36 | (2) 2M x 36 |
|------------------+--------------------+--------------------|
| 32MB | (2) 4M x 36 | NONE |
|------------------+--------------------+--------------------|
| 34MB | (2) 256K x 36 | (2) 4M x 36 |
|------------------+--------------------+--------------------|
| 34MB | (2) 4M x 36 | (2) 256K x 36 |
|------------------+--------------------+--------------------|
| 36MB | (2) 512K x 36 | (2) 4M x 36 |
|------------------+--------------------+--------------------|
| 36MB | (2) 4M x 36 | (2) 512K x 36 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION (CON’T) |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 |
|------------------+--------------------+--------------------|
| 40MB | (2) 1M x 36 | (2) 4M x 36 |
|------------------+--------------------+--------------------|
| 40MB | (2) 4M x 36 | (2) 1M x 36 |
|------------------+--------------------+--------------------|
| 48MB | (2) 2M x 36 | (2) 4M x 36 |
|------------------+--------------------+--------------------|
| 48MB | (2) 4M x 36 | (2) 2M x 36 |
|------------------+--------------------+--------------------|
| 64MB | (2) 4M x 36 | (2) 4M x 36 |
|------------------+--------------------+--------------------|
| 64MB | (2) 8M x 36 | NONE |
|------------------+--------------------+--------------------|
| 66MB | (2) 256K x 36 | (2) 8M x 36 |
|------------------+--------------------+--------------------|
| 66MB | (2) 8M x 36 | (2) 256K x 36 |
|------------------+--------------------+--------------------|
| 68MB | (2) 512K x 36 | (2) 8M x 36 |
|------------------+--------------------+--------------------|
| 68MB | (2) 8M x 36 | (2) 512K x 36 |
|------------------+--------------------+--------------------|
| 72MB | (2) 1M x 36 | (2) 8M x 36 |
|------------------+--------------------+--------------------|
| 72MB | (2) 8M x 36 | (2) 1M x 36 |
|------------------+--------------------+--------------------|
| 80MB | (2) 2M x 36 | (2) 8M x 36 |
|------------------+--------------------+--------------------|
| 80MB | (2) 8M x 36 | (2) 2M x 36 |
|------------------+--------------------+--------------------|
| 96MB | (2) 4M x 36 | (2) 8M x 36 |
|------------------+--------------------+--------------------|
| 96MB | (2) 8M x 36 | (2) 4M x 36 |
|------------------+--------------------+--------------------|
| 128MB | (2) 8M x 36 | (2) 8M x 36 |
|------------------+--------------------+--------------------|
| 128MB | (2) 16M x 36 | NONE |
|------------------+--------------------+--------------------|
| 130MB | (2) 256K x 36 | (2) 16M x 36 |
|------------------+--------------------+--------------------|
| 130MB | (2) 16M x 36 | (2) 256K x 36 |
|------------------+--------------------+--------------------|
| 132MB | (2) 512K x 36 | (2) 16M x 36 |
|------------------+--------------------+--------------------|
| 132MB | (2) 16M x 36 | (2) 512K x 36 |
|------------------+--------------------+--------------------|
| 136MB | (2) 1M x 36 | (2) 16M x 36 |
|------------------+--------------------+--------------------|
| 136MB | (2) 16M x 36 | (2) 1M x 36 |
|------------------+--------------------+--------------------|
| 144MB | (2) 2M x 36 | (2) 16M x 36 |
|------------------+--------------------+--------------------|
| 144MB | (2) 16M x 36 | (2) 2M x 36 |
|------------------+--------------------+--------------------|
| 160MB | (2) 4M x 36 | (2) 16M x 36 |
|------------------+--------------------+--------------------|
| 160MB | (2) 16M x 36 | (2) 4M x 36 |
|------------------+--------------------+--------------------|
| 192MB | (2) 8M x 36 | (2) 16M x 36 |
|------------------+--------------------+--------------------|
| 192MB | (2) 16M x 36 | (2) 8M x 36 |
|------------------+--------------------+--------------------|
| 256MB | (2) 16M x 36 | (2) 16M x 36 |
|------------------+--------------------+--------------------|
| 256MB | (2) 32M x 36 | NONE |
|------------------+--------------------+--------------------|
| 258MB | (2) 256K x 36 | (2) 32M x 36 |
|------------------+--------------------+--------------------|
| 258MB | (2) 32M x 36 | (2) 256K x 36 |
|------------------+--------------------+--------------------|
| 260MB | (2) 512K x 36 | (2) 32M x 36 |
|------------------+--------------------+--------------------|
| 260MB | (2) 32M x 36 | (2) 512K x 36 |
|------------------+--------------------+--------------------|
| 264MB | (2) 32M x 36 | (2) 1M x 36 |
|------------------+--------------------+--------------------|
| 272MB | (2) 2M x 36 | (2) 32M x 36 |
|------------------+--------------------+--------------------|
| 272MB | (2) 32M x 36 | (2) 2M x 36 |
|------------------+--------------------+--------------------|
| 288MB | (2) 4M x 36 | (2) 32M x 36 |
|------------------+--------------------+--------------------|
| 288MB | (2) 32M x 36 | (2) 4M x 36 |
|------------------+--------------------+--------------------|
| 320MB | (2) 8M x 36 | (2) 32M x 36 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION (CON’T) |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 |
|------------------+--------------------+--------------------|
| 320MB | (2) 32M x 36 | (2) 8M x 36 |
|------------------+--------------------+--------------------|
| 384MB | (2) 16M x 36 | (2) 32M x 36 |
|------------------+--------------------+--------------------|
| 384MB | (2) 32M x 36 | (2) 16M x 36 |
|------------------+--------------------+--------------------|
| 512MB | (2) 32M x 36 | (2) 32M x 36 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 |
|------------------+--------------------+--------------------|
| 256KB | (4) 32K x 8 | (4) 32K x 8 |
|------------------+--------------------+--------------------|
| 512KB | (4) 64K x 8 | (4) 64K x 8 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE JUMPER CONFIGURATION |
|------------------------------------------------------------|
| Size | JP22 | JP23 |
|------------------+--------------------+--------------------|
| 256KB | pins 2 & 3 closed | pins 1 & 2 closed |
|------------------+--------------------+--------------------|
| 512KB | pins 1 & 2 closed | pins 1 & 2 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED CONFIGURATION (AV9154A-27) |
|------------------------------------------------------------|
| Speed | JP24 | JP25 | JP26 |
|--------+-----------------+----------------+----------------|
| 75MHz | pins 1 & 2 | pins 2 & 3 | pins 2 & 3 |
| | closed | closed | closed |
|--------+-----------------+----------------+----------------|
| 90MHz | pins 2 & 3 | pins 1 & 2 | pins 2 & 3 |
| | closed | closed | closed |
|--------+-----------------+----------------+----------------|
| 100MHz | pins 1 & 2 | pins 2 & 3 | pins 1 & 2 |
| | closed | closed | closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED CONFIGURATION (MX8315) |
|------------------------------------------------------------|
| Speed | JP24 | JP25 | JP26 |
|--------+-----------------+----------------+----------------|
| 75MHz | pins 2 & 3 | pins 1 & 2 | pins 1 & 2 |
| | closed | closed | closed |
|--------+-----------------+----------------+----------------|
| 90MHz | pins 1 & 2 | pins 2 & 3 | pins 1 & 2 |
| | closed | closed | closed |
|--------+-----------------+----------------+----------------|
| 100MHz | pins 2 & 3 | pins 1 & 2 | pins 2 & 3 |
| | closed | closed | closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DMA CONFIGURATION |
|------------------------------------------------------------|
| DMA | JP12 | JP13 |
|------------------+--------------------+--------------------|
| DMA 1 | pins 1 & 2 closed | pins 1 & 2 closed |
|------------------+--------------------+--------------------|
| DMA 3 | pins 2 & 3 closed | pins 2 & 3 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| PCI IRQ CONFIGURATION (IRQ5) |
|------------------------------------------------------------|
| PCI slot | JP2 | JP9 |
|------------------+--------------------+--------------------|
| 1 | pins 1 & 2 closed | N/A |
|------------------+--------------------+--------------------|
| 2 | pins 3 & 4 closed | N/A |
|------------------+--------------------+--------------------|
| 3 | N/A | pins 1 & 2 closed |
|------------------+--------------------+--------------------|
| 4 | N/A | pins 3 & 4 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| PCI IRQ CONFIGURATION (IRQ9) |
|------------------------------------------------------------|
| PCI slot | JP1 | JP10 |
|------------------+--------------------+--------------------|
| 1 | pins 1 & 2 closed | N/A |
|------------------+--------------------+--------------------|
| 2 | pins 3 & 4 closed | N/A |
|------------------+--------------------+--------------------|
| 3 | N/A | pins 1 & 2 closed |
|------------------+--------------------+--------------------|
| 4 | N/A | pins 3 & 4 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| PCI IRQ CONFIGURATION (IRQ11) |
|------------------------------------------------------------|
| PCI slot | JP3 | JP8 |
|------------------+--------------------+--------------------|
| 1 | pins 1 & 2 closed | N/A |
|------------------+--------------------+--------------------|
| 2 | pins 3 & 4 closed | N/A |
|------------------+--------------------+--------------------|
| 3 | N/A | pins 1 & 2 closed |
|------------------+--------------------+--------------------|
| 4 | N/A | pins 3 & 4 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| PCI IRQ CONFIGURATION (IRQ14) |
|------------------------------------------------------------|
| PCI slot | JP4 | JP7 |
|------------------+--------------------+--------------------|
| 1 | pins 1 & 2 closed | N/A |
|------------------+--------------------+--------------------|
| 2 | pins 3 & 4 closed | N/A |
|------------------+--------------------+--------------------|
| 3 | N/A | pins 1 & 2 closed |
|------------------+--------------------+--------------------|
| 4 | N/A | pins 3 & 4 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| PCI IRQ CONFIGURATION (IRQ15) |
|------------------------------------------------------------|
| PCI slot | JP5 | JP6 |
|------------------+--------------------+--------------------|
| 1 | pins 1 & 2 closed | N/A |
|------------------+--------------------+--------------------|
| 2 | pins 3 & 4 closed | N/A |
|------------------+--------------------+--------------------|
| 3 | N/A | pins 1 & 2 closed |
|------------------+--------------------+--------------------|
| 4 | N/A | pins 3 & 4 closed |
+------------------------------------------------------------+