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# EFA CORPORATION
P54CSPIO
Processor Pentium
Processor 75/90/100MHz
Speed
Chip Set SIS
Max. Onboard 128MB
DRAM
Cache 256/512/1024KB
BIOS AMI
Dimensions 330mm x 218mm
I/O Options 32-bit PCI slots (4), floppy drive interface, IDE
interfaces (2), parallel port, PS/2 mouse port,
serial ports (2)
NPU Options None
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|-------------------+----------+------------------+----------|
| Auxiliary | J1 | IDE interface | J11 |
| keyboard & PS/2 | | LED | |
| mouse | | | |
|-------------------+----------+------------------+----------|
| Parallel port | J2 | Power LED & | J12 |
| | | keylock | |
|-------------------+----------+------------------+----------|
| Serial port 2 | J3 | Turbo LED | J13 |
|-------------------+----------+------------------+----------|
| Serial port 1 | J4 | Speaker | J14 |
|-------------------+----------+------------------+----------|
| Floppy drive | J6 | IR function | J17 |
| interface | | connector | |
|-------------------+----------+------------------+----------|
| IDE interface - | J7 | Reset switch | JP20 |
| secondary | | | |
|-------------------+----------+------------------+----------|
| IDE interface - | J8 | Turbo switch | JP21 |
| primary | | | |
|-------------------+----------+------------------+----------|
| 3.3v CPU | J9 | 32-bit PCI slots | PC1 - |
| connector | | | PC4 |
|-------------------+----------+------------------+----------|
| External battery | J10 | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Jumper | Position |
|--------------------------------------+--------+------------|
| » | Factory configured - do not | JP1 | N/A |
| | alter | | |
|---+----------------------------------+--------+------------|
| » | Factory configured - do not | JP2 | N/A |
| | alter | | |
|---+----------------------------------+--------+------------|
| » | Factory configured - do not | JP3 | N/A |
| | alter | | |
|---+----------------------------------+--------+------------|
| » | IDE disabled - controlled by | JP4 | Closed |
| | Sostware | | |
|---+----------------------------------+--------+------------|
| | IDE enabled | JP4 | Open |
|---+----------------------------------+--------+------------|
| » | On board IDE is primary | JP5 | Closed |
|---+----------------------------------+--------+------------|
| | Other IDE is primary | JP5 | Open |
|---+----------------------------------+--------+------------|
| » | On board IDE is secondary | JP6 | Closed |
|---+----------------------------------+--------+------------|
| | Other IDE is secondary | JP6 | Open |
|---+----------------------------------+--------+------------|
| » | Factory configured - do not | JP13 | N/A |
| | alter | | |
|---+----------------------------------+--------+------------|
| » | Factory configured - do not | JP16 | Open |
| | alter | | |
|---+----------------------------------+--------+------------|
| » | Factory configured - do not | JP17 | pins 2 & 3 |
| | alter | | closed |
|---+----------------------------------+--------+------------|
| » | Factory configured - do not | JP18 | pins 2 & 3 |
| | alter | | closed |
|---+----------------------------------+--------+------------|
| » | BIOS type select EPROM | JP22 | pins 1 & 2 |
| | | | closed |
|---+----------------------------------+--------+------------|
| | BIOS type select flash BIOS | JP22 | pins 2 & 3 |
| | | | closed |
|---+----------------------------------+--------+------------|
| » | Factory configured - do not | JP23 | Closed |
| | alter | | |
|---+----------------------------------+--------+------------|
| » | CMOS memory normal operation | JP24 | Open |
|---+----------------------------------+--------+------------|
| | CMOS memory clear | JP24 | Closed |
|---+----------------------------------+--------+------------|
| » | Monitor type select color | JP25 | Closed |
|---+----------------------------------+--------+------------|
| | Monitor type select monochrome | JP25 | Open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| 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 |
|------------------+--------------------+--------------------|
| 8MB | (2) 512K x 36 | (2) 512K x 36 |
|------------------+--------------------+--------------------|
| 8MB | (2) 1M x 36 | NONE |
|------------------+--------------------+--------------------|
| 12MB | (2) 512K x 36 | (2) 1M x 36 |
|------------------+--------------------+--------------------|
| 16MB | (2) 1M x 36 | (2) 1M x 36 |
|------------------+--------------------+--------------------|
| 16MB | (2) 2M x 36 | NONE |
|------------------+--------------------+--------------------|
| 20MB | (2) 512K x 36 | (2) 2M x 36 |
|------------------+--------------------+--------------------|
| 24MB | (2) 1M x 36 | (2) 2M x 36 |
|------------------+--------------------+--------------------|
| 32MB | (2) 2M x 36 | (2) 2M x 36 |
|------------------+--------------------+--------------------|
| 32MB | (2) 4M x 36 | NONE |
|------------------+--------------------+--------------------|
| 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) 4M x 36 | (2) 4M x 36 |
|------------------+--------------------+--------------------|
| 64MB | (2) 8M x 36 | NONE |
|------------------+--------------------+--------------------|
| 72MB | (2) 1M x 36 | (2) 8M x 36 |
|------------------+--------------------+--------------------|
| 80MB | (2) 2M x 36 | (2) 8M x 36 |
|------------------+--------------------+--------------------|
| 96MB | (2) 4M x 36 | (2) 8M x 36 |
|------------------+--------------------+--------------------|
| 128MB | (2) 8M x 36 | (2) 8M x 36 |
|------------------+--------------------+--------------------|
| 128MB | (2) 16M x 36 | NONE |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM JUMPER CONFIGURATION |
|------------------------------------------------------------|
| Bank 0 | Bank 1 | JP7 | JP8 |
|-------------+-------------+-------------------+------------|
| Single side | Single side | pins 1 & 2 closed | pins 1 & 2 |
| | | | closed |
|-------------+-------------+-------------------+------------|
| Double side | Double side | pins 2 & 3 closed | pins 2 & 3 |
| | | | closed |
|-------------+-------------+-------------------+------------|
| Double side | Single side | pins 2 & 3 closed | pins 2 & 3 |
| | | | closed |
|-------------+-------------+-------------------+------------|
| Single side | Double side | pins 1 & 2 closed | pins 1 & 2 |
| | | | closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | TAG |
|------------------+--------------------+--------------------|
| 256KB | (8) 32K x 8 | (1) 32K x 8 |
|------------------+--------------------+--------------------|
| 512KB | (8) 64K x 8 | (1) 64K x 8 |
|------------------+--------------------+--------------------|
| 1MB | (8) 128K x 8 | (1) 128K x 8 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE JUMPER CONFIGURATION |
|------------------------------------------------------------|
| Size | JP14 | JP15 |
|------------------+--------------------+--------------------|
| 256KB | pins 1 & 2 closed | pins 1 & 2 closed |
|------------------+--------------------+--------------------|
| 512KB | pins 2 & 3 closed | pins 1 & 2 closed |
|------------------+--------------------+--------------------|
| 1MB | pins 2 & 3 closed | pins 2 & 3 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED CONFIGURATION |
|------------------------------------------------------------|
| System | CPU speed | JP11 | JP12 | JP19 |
| speed | | | | |
|--------+-----------+---------------+-----------+-----------|
| 50MHz | 75MHz | pins 1 & 2 | pins 1 & | Open |
| | | closed | 2 closed | |
|--------+-----------+---------------+-----------+-----------|
| 50MHz | 100MHz | pins 1 & 2 | pins 1 & | pins 1 & |
| | | closed | 2 closed | 2 closed |
|--------+-----------+---------------+-----------+-----------|
| 60MHz | 90MHz | pins 1 & 2 | pins 2 & | Open |
| | | closed | 3 closed | |
|--------+-----------+---------------+-----------+-----------|
| 66MHz | 100MHz | pins 2 & 3 | pins 2 & | Open |
| | | closed | 3 closed | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DMA CONFIGURATION |
|------------------------------------------------------------|
| DMA channel | JP9 | JP10 |
|------------------+--------------------+--------------------|
| Channel 3 | pins 2 & 3 closed | pins 2 & 3 closed |
|------------------+--------------------+--------------------|
| Channel 5 | pins 1 & 2 closed | pins 1 & 2 closed |
+------------------------------------------------------------+