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# PC CHIPS MANUFACTURING, LTD.
M590
Device Mainboard
Type
Processor CX 6X86L/IBM 6X86L/CX 686MX/IBM 6X86MX/CX MII/IBM
MII/AM K5/
AM K6/AM K6-2/IDT C6/Pentium/Pentium MMX
Processor 90/100/120/133/150/166/180/200/233/266/300/333/350MHz
Speed
Chip Set Unidentified
Video Chip Unidentified
Set
Maximum 384MB (EDO & SDRAM supported)
Onboard
Memory
Maximum Unidentified
Video
Memory
Audio Chip Unidentified
Set
Cache 1024KB
BIOS AMI
Dimensions 254mm x 218mm
I/O 32-bit PCI slots (3), floppy drive interface, IDE
Options interfaces (2), parallel port, PS/2 mouse port, PS/2
mouse interface, serial ports (2), ATX power
connector, AGP slot, digital line in, digital line
out, audio in – CD-ROMs (2), ATX form card connector,
sound/game connector
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|-----------------+----------+----------------+--------------|
| ATX power | ATX | ATX form card | J3 |
| connector | | connector | |
|-----------------+----------+----------------+--------------|
| Audio in – | CD1 | Digital audio | J4 |
| CD-ROM | | out | |
|-----------------+----------+----------------+--------------|
| Audio in – | CD2 | Digital audio | J5 |
| CD-ROM | | in | |
|-----------------+----------+----------------+--------------|
| Serial port 2 | CN1 | Speaker | J8/pins |
| | | | 1/3/5/7 |
|-----------------+----------+----------------+--------------|
| Serial port 1 | CN2 | Power LED & | J8/pins |
| | | keylock | 2/4/6/8/10 |
|-----------------+----------+----------------+--------------|
| Parallel port | CN3 | Turbo LED | J8/pins 13 & |
| | | | 14 |
|-----------------+----------+----------------+--------------|
| IDE interface 2 | CN4 | IDE interface | J8/pins 15 & |
| | | LED | 16 |
|-----------------+----------+----------------+--------------|
| IDE interface 1 | CN5 | Reset switch | J8/pins 17 & |
| | | | 18 |
|-----------------+----------+----------------+--------------|
| Floppy drive | CN6 | Soft off power | J8/pins 19 & |
| interface | | supply | 20 |
|-----------------+----------+----------------+--------------|
| Chassis fan | FAN | VGA interface | JP4 |
| power | | | |
|-----------------+----------+----------------+--------------|
| Sound/game | J1 | 32-bit PCI | PC1 – PC3 |
| connector | | slots | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Label | Position |
|------------------------------------+-------+---------------|
| » | Microphone type select normal | J2 | Open |
|---+--------------------------------+-------+---------------|
| | Microphone type select special | J2 | Closed |
|---+--------------------------------+-------+---------------|
| » | CMOS memory normal operation | JP6 | Pins 1 & 2 |
| | | | closed |
|---+--------------------------------+-------+---------------|
| | CMOS memory clear | JP6 | Pins 2 & 3 |
| | | | closed |
|---+--------------------------------+-------+---------------|
| | On board sound enabled | JP9 | Open |
|---+--------------------------------+-------+---------------|
| | On board sound disabled | JP9 | Closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SIMM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 |
|----------------------------+-------------------------------|
| 8MB | (2) 1M x 36 |
|----------------------------+-------------------------------|
| 16MB | (2) 2M x 36 |
|----------------------------+-------------------------------|
| 32MB | (2) 4M x 36 |
|----------------------------+-------------------------------|
| 64MB | (2) 8M x 36 |
|----------------------------+-------------------------------|
| 128MB | (2) 16M x 36 |
|----------------------------+-------------------------------|
| 256MB | (2) 32M x 36 |
|------------------------------------------------------------|
| Note: Board accepts EDO memory. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DIMM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 1 | Bank 2 |
|------------------+--------------------+--------------------|
| 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 SDRAM memory. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DIMM VOLTAGE CONFIGURATION |
|------------------------------------------------------------|
| Voltage | JP2A | JP2B |
|------------------+--------------------+--------------------|
| 3.3v | Pins 2 & 3 closed | Pins 2 & 3 closed |
|------------------+--------------------+--------------------|
| 5v | Pins 1 & 2 closed | Pins 1 & 2 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| VIDEO MEMORY CONFIGURATION |
|------------------------------------------------------------|
| Note: The size of the video memory is unidentified. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 |
|----------------------------+-------------------------------|
| 1MB | (2) 64K x 64 |
+------------------------------------------------------------+