PC CHIPS MANUFACTURING, LTD.
M571 (VER. 3.2)
| Device Type | Mainboard |
| Processor | CX 6X86L/IBM 6X86L/CX 686MX/IBM 6X86MX/CX M2/AM K6/IDT C6/Pentium/Pentium MMX |
| Processor Speed | 75/90/100/120/133/150/166/180/200/233/266/275/300/325/333/366/375/400/433/450 |
| Chip Set | Unidentified |
| Video Chip Set | Unidentified |
| Audio Chip Set | Sound Pro |
| Maximum Onboard Memory | 384MB (EDO & SDRAM supported) |
| Maximum Video Memory | 4MB |
| Maximum Audio Memory | Unidentified |
| Cache | 512KB |
| BIOS | AMI |
| Dimensions | Unidentified |
| I/O Options | 32-bit PCI slots (4), floppy drive interface, game interface, green PC connector, IDE interfaces (2), parallel port, PS/2 mouse interfaces (2), serial interfaces (2), VGA connector, IR connector, USB interfaces (2), ATX power connector, audio in - CD-ROMs (2), sound interface |
CONNECTIONS |
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| Purpose | Location |
Purpose | Location |
| ATX power connector | ATX |
Green PC LED | J3/Pins 11 - 22 |
| Serial interface 1 | COM1 | Speaker | J3/Pins 12 - 15 |
| Serial interface 2 | COM2 | Audio in - CD-ROM (Sony) | J4 |
| Floppy drive interface | FDC | Audio in - CD-ROM (Panasonic) | J5 |
| Sound and Game interface | GAME | USB interface 1 | J7/Pins 1 - 4 |
| IDE interface 1 | IDE1 | PS/2 mouse interface 1 | J7/Pins 5 & 6, 15 & 16 |
| IDE interface 2 | IDE2 | IR connector | J7/Pins 7 - 9 & 17 - 18 |
| CPU fan power | J2 | USB interface 2 | J7/Pins 10-13 |
| Power LED & keylock | J3/Pins 1 - 5 | 32-bit PCI slots | PC1 - PC4 |
| Turbo LED | J3/Pins 7 & 18 | PS/2 mouse interface 1 | PS2 |
| IDE interface LED | J3/Pins 8 & 19 | Parallel port | PRN |
| Reset switch | J3/Pins 9 & 20 | VGA connector | VGA |
USER CONFIGURABLE SETTINGS |
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Function |
Label |
Position |
|
» |
CMOS memory normal operation | JP2 |
Pins 1 & 2 closed |
| CMOS memory clear | JP2 |
Pins 2 & 3 closed |
|
| Internal VGA selector disabled | JP3 | Pins 1 & 2 closed |
|
|
Internal VGA selector enabled | JP3 |
Pins 2 & 3 closed |
| DIMM 5v voltage | JP4 |
Pins 1 & 3, 2 & 4 closed |
|
| DIMM 3.3v voltage | JP4 |
Pins 3 & 5, 4 & 6 closed |
|
| Special microphone type | JP9 | Closed | |
| Normal microphone type | JP9 | Open | |
SIMM CONFIGURATION |
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Size |
Bank 0 |
Bank 1 |
8MB |
(2) 1M x 36 |
None |
16MB |
(2) 2M x 36 |
None |
16MB |
(2) 1M x 36 |
(2) 1M x 36 |
24MB |
(2) 2M x 36 |
(2) 1M x 36 |
32MB |
(2) 4M x 36 |
None |
32MB |
(2) 2M x 36 |
(2) 2M x 36 |
40MB |
(2) 4M x 36 |
(2) 1M x 36 |
48MB |
(2) 4M x 36 |
(2) 2M x 36 |
64MB |
(2) 8M x 36 |
None |
64MB |
(2) 4M x 36 |
(2) 4M x 36 |
72MB |
(2) 8M x 36 |
(2) 1M x 36 |
80MB |
(2) 8M x 36 |
(2) 2M x 36 |
96MB |
(2) 8M x 36 |
(2) 4M x 36 |
128MB |
(2) 8M x 36 |
(2) 8M x 36 |
| DIMM CONFIGURATION | ||
Size |
Bank 0 |
Bank 1 |
8MB |
(1) 1M x 64 |
None |
16MB |
(1) 1M x 64 |
(1) 1M x 64 |
16MB |
(1) 2M x 64 |
None |
24MB |
(1) 2M x 64 |
(1) 1M x 64 |
32MB |
(1) 2M x 64 |
(1) 2M x 64 |
32MB |
(1) 4M x 64 |
None |
40MB |
(1) 4M x 64 |
(1) 1M x 64 |
48MB |
(1) 4M x 64 |
(1) 2M x 64 |
64MB |
(1) 4M x 64 |
(1) 4M x 64 |
64MB |
(1) 8M x 64 |
None |
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 |
128MB |
(1) 16M x 64 |
None |
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 supports EDO & SDRAM memory. | ||
CPU EXTERNAL SPEED SELECTION |
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Speed |
JP5A | JP5B | JP5C | JP5D |
50MHz |
Pins 2 & 3 closed | Pins 2 & 3 closed | Pins 2 & 3 closed | Pins 1 & 2 closed |
55MHz |
Pins 1 & 2 closed | Pins 2 & 3 closed | Pins 2 & 3 closed | Pins 1 & 2 closed |
60MHz |
Pins 2 & 3 closed | Pins 2 & 3 closed | Pins 1 & 2 closed | Pins 1 & 2 closed |
66MHz |
Pins 2 & 3 closed | Pins 1 & 2 closed | Pins 2 & 3 closed | Pins 1 & 2 closed |
75MHz |
Pins 1 & 2 closed | Pins 2 & 3 closed | Pins 1 & 2 closed | Pins 2 & 3 closed |
83MHz |
Pins 1 & 2 closed | Pins 1 & 2 closed | Pins 2 & 3 closed | Pins 2 & 3 closed |
CPU TYPE SELECTION |
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Type |
JP8A | JP8B |
| Single voltage | Pins 2 & 3 closed | Pins 2 & 3 closed |
| Dual voltage | Pins 1 & 2 closed | Pins 1 & 2 closed |
| Note: JP6 must be set to 3.5V position for single voltage CPU. | ||
CPU MULTIPLIER SELECTION |
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Multiplier |
JP7A | JP7B | JP7C |
1.5x |
Pins 1 & 2 closed | Pins 1 & 2 closed | Open |
2x |
Pins 2 & 3 closed | Pins 1 & 2 closed | Open |
2.5x |
Pins 2 & 3 closed | Pins 2 & 3 closed | Open |
3x |
Pins 1 & 2 closed | Pins 2 & 3 closed | Open |
| 3.5x | Pins 1 & 2 closed | Pins 1 & 2 closed | Open |
| 4x | Pins 2 & 3 closed | Pins 1 & 2 closed | Pins 2 & 3 closed |
| 4.5x | Pins 2 & 3 closed | Pins 2 & 3 closed | Pins 2 & 3 closed |
| 5x | Pins 1 & 2 closed | Pins 2 & 3 closed | Pins 2 & 3 closed |
| 5.5x | Pins 1 & 2 closed | Pins 1 & 2 closed | Pins 2 & 3 closed |
CPU VOLTAGE SELECTION |
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Voltage |
JP6/Pins 1 & 2 | JP6/Pins 3 & 4 | JP6/Pins 5 & 6 | JP6/Pins 7 & 8 | JP6/Pins 9 & 10 |
| 2.2 | Open | Open | Open | Open | Open |
| 2.8 | Closed | Open | Open | Open | Open |
| 2.9 | Open | Closed | Open | Open | Open |
| 3.2 | Open | Open | Closed | Open | Open |
| 3.3 | Open | Open | Open | Closed | Open |
| 3.5 | Open | Open | Open | Open | Closed |