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# ACER, INC.
AP5V
Device Type Mainboard
Processor Pentium
Processor Speed 75/90/100/120/133/150/166/200MHz
Chip Set Intel 430VX
Video Chip Set None
Maximum Onboard 128MB (EDO & SDRAM supported)
Memory
Maximum Video None
Memory
Cache 256/512KB
BIOS AMI
Dimensions 280mm x 220mm
I/O Options 32-bit PCI slots (4), floppy drive interface,
IDE interfaces (2), parallel port, PS/2 mouse
port, serial ports (2), VRM connector, USB
connector
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|-------------------+----------+------------------+----------|
| Front panel | C1 | IDE interface 1 | CN6 |
| connector | | | |
|-------------------+----------+------------------+----------|
| IDE interface LED | C2 | PS/2 mouse | CN7 |
| | | interface | |
|-------------------+----------+------------------+----------|
| Serial port 1 | CN1 | Chassis fan | CN12 |
| | | power | |
|-------------------+----------+------------------+----------|
| Serial port 2 | CN2 | 32-bit PCI slots | PC1 – |
| | | | PC4 |
|-------------------+----------+------------------+----------|
| Parallel port | CN3 | USB connector | USB |
|-------------------+----------+------------------+----------|
| Floppy drive | CN4 | VRM connector | VRM |
| interface | | | |
|-------------------+----------+------------------+----------|
| IDE interface 2 | CN5 | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Label | Position |
|-------------------------------------+-------+--------------|
| » | CMOS memory normal operation | JP12 | Pins 1 & 2 |
| | | | closed |
|---+---------------------------------+-------+--------------|
| | CMOS memory clear | JP12 | Pins 2 & 3 |
| | | | closed |
|---+---------------------------------+-------+--------------|
| » | On board I/O enabled | JP13 | Pins 1 & 2 |
| | | | closed |
|---+---------------------------------+-------+--------------|
| | On board I/O disabled | JP13 | Pins 2 & 3 |
| | | | closed |
|---+---------------------------------+-------+--------------|
| » | ISA clock select CLK/3 | JP14 | Pins 1 & 2 |
| | | | closed |
|---+---------------------------------+-------+--------------|
| | ISA clock select CLK/4 | JP14 | Pins 2 & 3 |
| | | | closed |
|---+---------------------------------+-------+--------------|
| » | PS/2 mouse enabled | JP15 | Pins 1 & 2 |
| | | | closed |
|---+---------------------------------+-------+--------------|
| | PS/2 mouse disabled | JP15 | Pins 2 & 3 |
| | | | closed |
|---+---------------------------------+-------+--------------|
| » | Flash BIOS voltage select 5v | JP16 | Pins 2 & 3 |
| | | | closed |
|---+---------------------------------+-------+--------------|
| | Flash BIOS voltage select 12v | JP16 | Pins 1 & 2 |
| | | | closed |
|---+---------------------------------+-------+--------------|
| » | Factory configured - do not | JP17 | Unidentified |
| | alter | | |
|---+---------------------------------+-------+--------------|
| » | Factory configured - do not | JP18 | Unidentified |
| | alter | | |
|---+---------------------------------+-------+--------------|
| » | Factory configured - do not | JP20 | Unidentified |
| | alter | | |
|---+---------------------------------+-------+--------------|
| » | Factory configured - do not | JP21 | Unidentified |
| | alter | | |
|---+---------------------------------+-------+--------------|
| » | Factory configured - do not | JP22 | Unidentified |
| | alter | | |
|---+---------------------------------+-------+--------------|
| » | Factory configured - do not | JP23 | Unidentified |
| | alter | | |
|---+---------------------------------+-------+--------------|
| » | Keyboard clock select 8MHz | JP24 | Pins 1 & 2 |
| | | | closed |
|---+---------------------------------+-------+--------------|
| | Keyboard clock select 12MHz | JP24 | Pins 2 & 3 |
| | | | closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DIMM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 |
|------------------+--------------------+--------------------|
| 8MB | (1) 1M x 64 | None |
|------------------+--------------------+--------------------|
| 16MB | (1) 2M x 64 | None |
|------------------+--------------------+--------------------|
| 16MB | (1) 1M x 64 | (1) 1M x 64 |
|------------------+--------------------+--------------------|
| 24MB | (1) 2M x 64 | (1) 1M x 64 |
|------------------+--------------------+--------------------|
| 32MB | (1) 4M x 64 | None |
|------------------+--------------------+--------------------|
| 32MB | (1) 2M x 64 | (1) 2M x 64 |
|------------------+--------------------+--------------------|
| 40MB | (1) 4M x 64 | (1) 1M x 64 |
|------------------+--------------------+--------------------|
| 48MB | (1) 4M x 64 | (1) 2M x 64 |
|------------------+--------------------+--------------------|
| 64MB | (1) 8M x 64 | None |
|------------------+--------------------+--------------------|
| 64MB | (1) 4M x 64 | (1) 4M x 64 |
|------------------+--------------------+--------------------|
| 72MB | (1) 8M x 64 | (1) 1M x 64 |
|------------------+--------------------+--------------------|
| 80MB | (1) 8M x 64 | (1) 2M x 64 |
|------------------+--------------------+--------------------|
| 96MB | (1) 8M x 64 | (1) 4M x 64 |
|------------------+--------------------+--------------------|
| 128MB | (1) 8M x 64 | (1) 8M x 64 |
|------------------------------------------------------------|
| Note: Board accepts EDO & SDRAM memory. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DIMM CONFIGURATION |
|------------------------------------------------------------|
| Type | JP8 | JP9 |
|-----------+-------------------------+----------------------|
| » | SDRAM | Open | Open |
|---+-------+-------------------------+----------------------|
| | EDO | Pins 1 & 2, 3 & 4, 5 & | Pins 1 & 2, 3 & 4, 5 |
| | | 6 closed | & 6 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 |
|----------------------------+-------------------------------|
| 256KB | (2) 32K x 32 |
|----------------------------+-------------------------------|
| 512KB | (2) 64K x 32 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION |
|------------------------------------------------------------|
| CPU | Clock | Multiplier | JP1 | JP2 | JP3 | JP4 |
| speed | speed | | | | | |
|--------+--------+------------+-------+-------+------+------|
| 75MHz | 50MHz | 1.5x | 1 & 2 | 1 & 2 | 1 & | 1 & |
| | | | | | 2 | 2 |
|--------+--------+------------+-------+-------+------+------|
| 90MHz | 60MHz | 1.5x | 1 & 2 | 1 & 2 | 2 & | 1 & |
| | | | | | 3 | 2 |
|--------+--------+------------+-------+-------+------+------|
| 100MHz | 66MHz | 1.5x | 1 & 2 | 1 & 2 | 1 & | 2 & |
| | | | | | 2 | 3 |
|--------+--------+------------+-------+-------+------+------|
| 120MHz | 60MHz | 2x | 1 & 2 | 2 & 3 | 2 & | 1 & |
| | | | | | 3 | 2 |
|--------+--------+------------+-------+-------+------+------|
| 133MHz | 66MHz | 2x | 1 & 2 | 2 & 3 | 1 & | 2 & |
| | | | | | 2 | 3 |
|--------+--------+------------+-------+-------+------+------|
| 150MHz | 60MHz | 2.5x | 2 & 3 | 2 & 3 | 2 & | 1 & |
| | | | | | 3 | 2 |
|--------+--------+------------+-------+-------+------+------|
| 166MHz | 66MHz | 2.5x | 2 & 3 | 2 & 3 | 1 & | 2 & |
| | | | | | 2 | 3 |
|--------+--------+------------+-------+-------+------+------|
| 200MHz | 66MHz | 3x | 2 & 3 | 1 & 2 | 1 & | 2 & |
| | | | | | 2 | 3 |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU TYPE SELECTION |
|------------------------------------------------------------|
| Type | JP5 | JP6 |
|----------+------------------------+------------------------|
| » | P54C | Pins 1 & 2, 3 & 4, 5 & | Pins 1 & 2, 3 & 4, 5 & |
| | | 6 closed | 6 closed |
|---+------+------------------------+------------------------|
| | P55C | Open | Open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU VOLTAGE SELECTION |
|------------------------------------------------------------|
| Voltage | JP7 |
|----------------------------+-------------------------------|
| 3.45v | Pins 1 & 2 closed |
|----------------------------+-------------------------------|
| 3.52v | Pins 2 & 3 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DMA CHANNEL SELECTION |
|------------------------------------------------------------|
| Channel | JP10 | JP11 |
|------------------+--------------------+--------------------|
| | 1 | Pins 2 & 3 closed | Pins 2 & 3 closed |
|----+-------------+--------------------+--------------------|
| » | 3 | Pins 1 & 2 closed | Pins 1 & 2 closed |
+------------------------------------------------------------+