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# ACER, INC.
V58LA
Device Type Mainboard
Processor CX 6X86/CX 6X86L/CX 686MX/AM K5/AM K6/Pentium
Processor Speed 90/100/120/133/150/166/180/200/233/266/300MHz
Chip Set Unidentified
Video Chip Set Unidentified
Maximum Onboard 256MB (EDO supported)
Memory
Maximum Video 4MB
Memory
Cache 256/512KB
BIOS Acer
Dimensions 330mm x 218mm
I/O Options Ethernet connector, floppy drive interface,
green PC connector, IDE interfaces (2),
parallel port, PS/2 mouse port, serial ports
(2), VGA port, riser slot, USB connector
NPU Options None
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|-----------------+----------+-------------------+-----------|
| Fax/modem | C1 | IDE interface 1 | CN14 |
| connector | | | |
|-----------------+----------+-------------------+-----------|
| Ethernet | CN1 | Chassis fan power | CN22 |
| connector | | | |
|-----------------+----------+-------------------+-----------|
| PS/2 mouse port | CN3 | AMC connector | CN27 |
|-----------------+----------+-------------------+-----------|
| Serial port 1 | CN4 | Power LED | CN30 |
|-----------------+----------+-------------------+-----------|
| Serial port 2 | CN5 | IDE interface LED | CN31 |
|-----------------+----------+-------------------+-----------|
| Parallel port | CN6 | Soft off power | CN32 |
| | | supply | |
|-----------------+----------+-------------------+-----------|
| VGA port | CN8 | Speaker | CN34 |
|-----------------+----------+-------------------+-----------|
| USB connector | CN9 | Reset/suspend | CN35 |
| | | switch | |
|-----------------+----------+-------------------+-----------|
| Green PC | CN10 | Turbo LED | JPA1/pins |
| connector | | | 2 & 4 |
|-----------------+----------+-------------------+-----------|
| Floppy drive | CN12 | Power button | JPA1/pins |
| interface | | (Aspire) | 7 & 8 |
|-----------------+----------+-------------------+-----------|
| IDE interface 2 | CN13 | Riser slot | SL1 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Label | Position |
|-------------------------------------+-------+--------------|
| » | Factory configured - do not | CN15 | Unidentified |
| | alter | | |
|---+---------------------------------+-------+--------------|
| » | Factory configured - do not | CN18 | Unidentified |
| | alter | | |
|---+---------------------------------+-------+--------------|
| » | Factory configured - do not | CN19 | Unidentified |
| | alter | | |
|---+---------------------------------+-------+--------------|
| » | Factory configured - do not | CN20 | Unidentified |
| | alter | | |
|---+---------------------------------+-------+--------------|
| » | Factory configured - do not | CN21 | Unidentified |
| | alter | | |
|---+---------------------------------+-------+--------------|
| » | Factory configured - do not | CN26 | Unidentified |
| | alter | | |
|---+---------------------------------+-------+--------------|
| » | Factory configured - do not | CN28 | Unidentified |
| | alter | | |
|---+---------------------------------+-------+--------------|
| | BIOS type select Acer | JP1 | Pins 1 & 2 |
| | | | closed |
|---+---------------------------------+-------+--------------|
| | BIOS type select OEM | JP1 | Pins 2 & 3 |
| | | | closed |
|---+---------------------------------+-------+--------------|
| | LED select IDE & floppy | JP2 | Pins 1 & 2 |
| | | | closed |
|---+---------------------------------+-------+--------------|
| | LED select IDE | JP2 | Pins 2 & 3 |
| | | | closed |
|---+---------------------------------+-------+--------------|
| » | Green PC normal operation | JP3 | Pins 1 & 2 |
| | | | closed |
|---+---------------------------------+-------+--------------|
| | Green PC reset | JP3 | Pins 2 & 3 |
| | | | closed |
|---+---------------------------------+-------+--------------|
| » | Factory configured - do not | JP6 | Unidentified |
| | alter | | |
|---+---------------------------------+-------+--------------|
| » | Factory configured - do not | JP7 | Unidentified |
| | alter | | |
|---+---------------------------------+-------+--------------|
| » | Factory configured - do not | JP9 | Unidentified |
| | alter | | |
|---+---------------------------------+-------+--------------|
| | Power supply select >= 1A | JP10 | Pins 3 & 5, |
| | | | 4 & 6 closed |
|---+---------------------------------+-------+--------------|
| | Power supply select < 1A | JP10 | Pins 1 & 3, |
| | | | 2 & 4 closed |
|---+---------------------------------+-------+--------------|
| » | Factory configured - do not | JP13 | Unidentified |
| | alter | | |
|---+---------------------------------+-------+--------------|
| » | Factory configured - do not | JP17 | Unidentified |
| | alter | | |
|---+---------------------------------+-------+--------------|
| » | Factory configured - do not | JP18 | Unidentified |
| | alter | | |
|---+---------------------------------+-------+--------------|
| | Password disabled | S1/1 | On |
|---+---------------------------------+-------+--------------|
| | Password enabled | S1/1 | Off |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS (CON’T) |
|------------------------------------------------------------|
| Function | Label | Position |
|---------------------------------------+--------+-----------|
| | On board sound disabled | S1/2 | On |
|---+-----------------------------------+--------+-----------|
| | On board sound enabled | S1/2 | Off |
|---+-----------------------------------+--------+-----------|
| | On board LAN disabled | S1/3 | On |
|---+-----------------------------------+--------+-----------|
| | On board LAN enabled | S1/3 | Off |
|---+-----------------------------------+--------+-----------|
| | Clock type select Cypress CY2273 | S1/6 | On |
|---+-----------------------------------+--------+-----------|
| | Clock type select CLK9148 | S1/6 | Off |
+------------------------------------------------------------+
+------------------------------------------------------------+
| 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) 16M x 64 | None |
|------------------+--------------------+--------------------|
| 128MB | (1) 8M x 64 | (1) 8M x 64 |
|------------------+--------------------+--------------------|
| 136MB | (1) 16M x 64 | (1) 1M x 64 |
|------------------+--------------------+--------------------|
| 144MB | (1) 16M x 64 | (1) 2M x 64 |
|------------------+--------------------+--------------------|
| 160MB | (1) 16M x 64 | (1) 4M x 64 |
|------------------+--------------------+--------------------|
| 192MB | (1) 16M x 64 | (1) 8M x 64 |
|------------------+--------------------+--------------------|
| 256MB | (1) 16M x 64 | (1) 16M x 64 |
|------------------------------------------------------------|
| Note: Board accepts EDO memory. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | TAG |
|------------------+--------------------+--------------------|
| 256KB | (2) 32K x 32 | (1) 32K x 8 |
|------------------+--------------------+--------------------|
| 512KB | (2) 64K x 32 | (1) 32K x 8 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE TYPE SELECTION |
|------------------------------------------------------------|
| Type | JP5 |
|------------------------------+-----------------------------|
| Intel/Cyrix 1 + 4 | Pins 1 & 2 closed |
|------------------------------+-----------------------------|
| Cyrix linear burst | Pins 2 & 3 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| VIDEO MEMORY CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | Bank 2 | Bank 3 |
|------+--------------+------------+------------+------------|
| 1MB | (1) 256K x | None | None | None |
| | 32 | | | |
|------+--------------+------------+------------+------------|
| 2MB | (1) 256K x | (1) 256K x | None | None |
| | 32 | 32 | | |
|------+--------------+------------+------------+------------|
| 4MB | (1) 256K x | (1) 256K x | (1) 256K x | (1) 256K x |
| | 32 | 32 | 32 | 32 |
|------------------------------------------------------------|
| Note: The location of the banks are unidentified. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (CX 6X86) |
|------------------------------------------------------------|
|CPU speed|Clock |Multiplier|JP11| JP14 | JP15 |S1/4|S1/5|
| |speed | | | | | | |
|---------+------+----------+----+----------+------+----+----|
| 150MHz |60MHz | 2.5x |2 & |1 & 3, 2 &|1 & 3,|Off | On |
| | | | 3 | 4 |2 & 4 | | |
|---------+------+----------+----+----------+------+----+----|
| 166MHz |66MHz | 2.5x |2 & |1 & 3, 2 &|3 & 5,|Off | On |
| | | | 3 | 4 |4 & 6 | | |
|---------+------+----------+----+----------+------+----+----|
| 200MHz |66MHz | 3x |2 & |3 & 5, 4 &|1 & 3,|Off | On |
| | | | 3 | 6 |2 & 4 | | |
|------------------------------------------------------------|
|Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (CX 6X86L) |
|------------------------------------------------------------|
|CPU speed|Clock |Multiplier|JP11| JP14 | JP15 |S1/4|S1/5|
| |speed | | | | | | |
|---------+------+----------+----+----------+------+----+----|
| 150MHz |60MHz | 2.5x |2 & |1 & 3, 2 &|1 & 3,|Off | On |
| | | | 3 | 4 |2 & 4 | | |
|---------+------+----------+----+----------+------+----+----|
| 166MHz |66MHz | 2.5x |2 & |1 & 3, 2 &|3 & 5,|Off | On |
| | | | 3 | 4 |4 & 6 | | |
|---------+------+----------+----+----------+------+----+----|
| 200MHz |66MHz | 3x |2 & |3 & 5, 4 &|1 & 3,|Off | On |
| | | | 3 | 6 |2 & 4 | | |
|------------------------------------------------------------|
|Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (CX MX) |
|------------------------------------------------------------|
|CPU speed|Clock |Multiplier|JP11| JP14 | JP15 |S1/4|S1/5|
| |speed | | | | | | |
|---------+------+----------+----+----------+------+----+----|
| 166MHz |66MHz | 2.5x |2 & |1 & 3, 2 &|1 & 3,| On | On |
| | | | 3 | 4 |2 & 4 | | |
|---------+------+----------+----+----------+------+----+----|
| 200MHz |66MHz | 3x |2 & |1 & 3, 2 &|3 & 5,| On | On |
| | | | 3 | 4 |4 & 6 | | |
|---------+------+----------+----+----------+------+----+----|
| 233MHz |66MHz | 3.5x |2 & |3 & 5, 4 &|1 & 3,| On | On |
| | | | 3 | 6 |2 & 4 | | |
|------------------------------------------------------------|
|Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (AM K5) |
|------------------------------------------------------------|
|CPU speed|Clock |Multiplier|JP11| JP14 | JP15 |S1/4|S1/5|
| |speed | | | | | | |
|---------+------+----------+----+----------+------+----+----|
| 90MHz |60MHz | 1.5x |2 & |1 & 3, 2 &|1 & 3,|Off |Off |
| | | | 3 | 4 |2 & 4 | | |
|---------+------+----------+----+----------+------+----+----|
| 100MHz |66MHz | 1.5x |2 & |1 & 3, 2 &|3 & 5,|Off |Off |
| | | | 3 | 4 |4 & 6 | | |
|---------+------+----------+----+----------+------+----+----|
| 120MHz |60MHz | 2x |2 & |1 & 3, 2 &|1 & 3,|Off | On |
| | | | 3 | 4 |2 & 4 | | |
|---------+------+----------+----+----------+------+----+----|
| 133MHz |66MHz | 2x |2 & |1 & 3, 2 &|3 & 5,|Off | On |
| | | | 3 | 4 |4 & 6 | | |
|---------+------+----------+----+----------+------+----+----|
| 166MHz |66MHz | 2.5x |2 & |1 & 3, 2 &|3 & 5,| On | On |
| | | | 3 | 4 |4 & 6 | | |
|------------------------------------------------------------|
|Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (AM K6) |
|------------------------------------------------------------|
|CPU speed|Clock |Multiplier|JP11| JP14 | JP15 |S1/4|S1/5|
| |speed | | | | | | |
|---------+------+----------+----+----------+------+----+----|
| 166MHz |66MHz | 2.5x |2 & |1 & 3, 2 &|3 & 5,| On | On |
| | | | 3 | 4 |4 & 6 | | |
|---------+------+----------+----+----------+------+----+----|
| 200MHz |66MHz | 3x |2 & |1 & 3, 2 &|3 & 5,| On |Off |
| | | | 3 | 4 |4 & 6 | | |
|---------+------+----------+----+----------+------+----+----|
| 233MHz |66MHz | 3.5x |2 & |1 & 3, 2 &|3 & 5,|Off |Off |
| | | | 3 | 4 |4 & 6 | | |
|---------+------+----------+----+----------+------+----+----|
| 266MHz |66MHz | 4x |1 & |1 & 3, 2 &|3 & 5,|Off | On |
| | | | 2 | 4 |4 & 6 | | |
|---------+------+----------+----+----------+------+----+----|
| 300MHz |66MHz | 4.5x |1 & |1 & 3, 2 &|3 & 5,|Off | On |
| | | | 2 | 4 |4 & 6 | | |
|------------------------------------------------------------|
|Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (INTEL) |
|------------------------------------------------------------|
|CPU speed|Clock |Multiplier|JP11| JP14 | JP15 |S1/4|S1/5|
| |speed | | | | | | |
|---------+------+----------+----+----------+------+----+----|
| 90MHz |60MHz | 1.5x |2 & |1 & 3, 2 &|1 & 3,|Off |Off |
| | | | 3 | 4 |2 & 4 | | |
|---------+------+----------+----+----------+------+----+----|
| 100MHz |66MHz | 1.5x |2 & |1 & 3, 2 &|3 & 5,|Off |Off |
| | | | 3 | 4 |4 & 6 | | |
|---------+------+----------+----+----------+------+----+----|
| 120MHz |60MHz | 2x |2 & |1 & 3, 2 &|1 & 3,|Off | On |
| | | | 3 | 4 |2 & 4 | | |
|---------+------+----------+----+----------+------+----+----|
| 133MHz |66MHz | 2x |2 & |1 & 3, 2 &|3 & 5,|Off | On |
| | | | 3 | 4 |4 & 6 | | |
|---------+------+----------+----+----------+------+----+----|
| 150MHz |60MHz | 2.5x |2 & |1 & 3, 2 &|1 & 3,| On | On |
| | | | 3 | 4 |2 & 4 | | |
|---------+------+----------+----+----------+------+----+----|
| 166MHz |66MHz | 2.5x |2 & |1 & 3, 2 &|3 & 5,| On |Off |
| | | | 3 | 4 |4 & 6 | | |
|---------+------+----------+----+----------+------+----+----|
| 200MHz |66MHz | 3x |2 & |1 & 3, 2 &|3 & 5,| On |Off |
| | | | 3 | 4 |4 & 6 | | |
|------------------------------------------------------------|
|Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (INTEL MMX) |
|------------------------------------------------------------|
|CPU speed|Clock |Multiplier|JP11| JP14 | JP15 |S1/4|S1/5|
| |speed | | | | | | |
|---------+------+----------+----+----------+------+----+----|
| 150MHz |60MHz | 2.5x |2 & |1 & 3, 2 &|1 & 3,| On | On |
| | | | 3 | 4 |2 & 4 | | |
|---------+------+----------+----+----------+------+----+----|
| 166MHz |66MHz | 2.5x |2 & |1 & 3, 2 &|3 & 5,| On | On |
| | | | 3 | 4 |4 & 6 | | |
|---------+------+----------+----+----------+------+----+----|
| 200MHz |66MHz | 3x |2 & |1 & 3, 2 &|3 & 5,| On |Off |
| | | | 3 | 4 |4 & 6 | | |
|---------+------+----------+----+----------+------+----+----|
| 233MHz |66MHz | 3.5x |2 & |1 & 3, 2 &|3 & 5,|Off |Off |
| | | | 3 | 4 |4 & 6 | | |
|------------------------------------------------------------|
|Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU TYPE SELECTION |
|------------------------------------------------------------|
| Type | CN23 |
|----------------------------+-------------------------------|
| Single voltage | Pins 1 & 3, 2 & 4 closed |
|----------------------------+-------------------------------|
| Dual voltage | Pins 3 & 5, 4 & 6 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU VOLTAGE SELECTION |
|------------------------------------------------------------|
| Voltage | CN36 |
|----------------------------+-------------------------------|
| 2.1v | Pins 3 & 4 closed |
|----------------------------+-------------------------------|
| 2.8v | Pins 1 & 2 closed |
|----------------------------+-------------------------------|
| 3.2v | Pins 5 & 6 closed |
|----------------------------+-------------------------------|
| 3.31v | Pins 7 & 8 closed |
|----------------------------+-------------------------------|
| 3.52v | Pins 9 & 10 closed |
+------------------------------------------------------------+