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# CHAINTECH COMPUTER COMPANY, LTD.
5IFM
Processor CX6X86/Pentium
Processor Speed 75/90/100/120/133/150/166/180/200MHz
Chip Set Intel
Maximum Onboard 256MB
Memory
Cache 256/512KB
BIOS Award
Dimensions 280mm x 220mm
I/O Options 32-bit PCI slots (4), floppy drive interface,
green PC connector, IDE interfaces (2),
parallel port, PS/2 mouse interface, serial
ports (2), cache slot, IR connector
NPU Options None
(IMG) IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Function | Label | Function | Label |
|----------------------+-------+--------------------+--------|
| PS/2 mouse interface | J4 | IDE interface LED | J17 |
|----------------------+-------+--------------------+--------|
| Serial port 2 | J7 | Green PC LED | J18 |
|----------------------+-------+--------------------+--------|
| Serial port 1 | J8 | Speaker | J19 |
|----------------------+-------+--------------------+--------|
| Floppy drive | J9 | Reset switch | J20 |
| interface | | | |
|----------------------+-------+--------------------+--------|
| Parallel port | J10 | Power LED & | J21 |
| | | keylock | |
|----------------------+-------+--------------------+--------|
| IDE interface 1 | J11 | Chassis fan power | JP22 |
|----------------------+-------+--------------------+--------|
| IDE interface 2 | J12 | Green PC connector | JP24 |
|----------------------+-------+--------------------+--------|
| IR connector | J14 | 32-bit PCI slots | PC1 - |
| | | | PC4 |
|----------------------+-------+--------------------+--------|
| Turbo LED | J16 | Cache slot | SL1 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 |
|------------------+--------------------+--------------------|
| 4MB | (2) 512K x 36 | None |
|------------------+--------------------+--------------------|
| 4MB | (2) 256K x 36 | (2) 256K x 36 |
|------------------+--------------------+--------------------|
| 6MB | (2) 512K x 36 | (2) 256K x 36 |
|------------------+--------------------+--------------------|
| 6MB | (2) 256K x 36 | (2) 512K x 36 |
|------------------+--------------------+--------------------|
| 8MB | (2) 1M x 36 | None |
|------------------+--------------------+--------------------|
| 8MB | (2) 512K x 36 | (2) 512K x 36 |
|------------------+--------------------+--------------------|
| 10MB | (2) 1M x 36 | (2) 256K x 36 |
|------------------+--------------------+--------------------|
| 10MB | (2) 256K x 36 | (2) 1M x 36 |
|------------------+--------------------+--------------------|
| 12MB | (2) 1M x 36 | (2) 512K x 36 |
|------------------+--------------------+--------------------|
| 12MB | (2) 512K x 36 | (2) 1M x 36 |
|------------------+--------------------+--------------------|
| 16MB | (2) 2M x 36 | None |
|------------------+--------------------+--------------------|
| 16MB | (2) 1M x 36 | (2) 1M x 36 |
|------------------+--------------------+--------------------|
| 18MB | (2) 2M x 36 | (2) 256K x 36 |
|------------------+--------------------+--------------------|
| 18MB | (2) 256K x 36 | (2) 2M x 36 |
|------------------+--------------------+--------------------|
| 20MB | (2) 2M x 36 | (2) 512K x 36 |
|------------------+--------------------+--------------------|
| 20MB | (2) 512K x 36 | (2) 2M x 36 |
|------------------+--------------------+--------------------|
| 24MB | (2) 2M x 36 | (2) 1M x 36 |
|------------------+--------------------+--------------------|
| 24MB | (2) 1M x 36 | (2) 2M x 36 |
|------------------+--------------------+--------------------|
| 32MB | (2) 4M x 36 | None |
|------------------+--------------------+--------------------|
| 32MB | (2) 2M x 36 | (2) 2M x 36 |
|------------------+--------------------+--------------------|
| 34MB | (2) 4M x 36 | (2) 256K x 36 |
|------------------+--------------------+--------------------|
| 34MB | (2) 256K x 36 | (2) 4M x 36 |
|------------------+--------------------+--------------------|
| 36MB | (2) 4M x 36 | (2) 512K x 36 |
|------------------+--------------------+--------------------|
| 36MB | (2) 512K x 36 | (2) 4M x 36 |
|------------------+--------------------+--------------------|
| 40MB | (2) 4M x 36 | (2) 1M x 36 |
|------------------+--------------------+--------------------|
| 40MB | (2) 1M x 36 | (2) 4M x 36 |
|------------------+--------------------+--------------------|
| 48MB | (2) 4M x 36 | (2) 2M x 36 |
|------------------+--------------------+--------------------|
| 48MB | (2) 2M x 36 | (2) 4M x 36 |
|------------------+--------------------+--------------------|
| 64MB | (2) 8M x 36 | None |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM (CON’T) |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 |
|------------------+--------------------+--------------------|
| 64MB | (2) 4M x 36 | (2) 4M x 36 |
|------------------+--------------------+--------------------|
| 66MB | (2) 8M x 36 | (2) 256K x 36 |
|------------------+--------------------+--------------------|
| 66MB | (2) 256K x 36 | (2) 8M x 36 |
|------------------+--------------------+--------------------|
| 68MB | (2) 8M x 36 | (2) 512K x 36 |
|------------------+--------------------+--------------------|
| 68MB | (2) 512K x 36 | (2) 8M x 36 |
|------------------+--------------------+--------------------|
| 72MB | (2) 8M x 36 | (2) 1M x 36 |
|------------------+--------------------+--------------------|
| 72MB | (2) 1M x 36 | (2) 8M x 36 |
|------------------+--------------------+--------------------|
| 80MB | (2) 8M x 36 | (2) 2M x 36 |
|------------------+--------------------+--------------------|
| 80MB | (2) 2M x 36 | (2) 8M x 36 |
|------------------+--------------------+--------------------|
| 96MB | (2) 8M x 36 | (2) 4M x 36 |
|------------------+--------------------+--------------------|
| 96MB | (2) 4M x 36 | (2) 8M x 36 |
|------------------+--------------------+--------------------|
| 128MB | (2) 16M x 36 | None |
|------------------+--------------------+--------------------|
| 128MB | (2) 8M x 36 | (2) 8M x 36 |
|------------------+--------------------+--------------------|
| 130MB | (2) 16M x 36 | (2) 256K x 36 |
|------------------+--------------------+--------------------|
| 132MB | (2) 16M x 36 | (2) 512K x 36 |
|------------------+--------------------+--------------------|
| 136MB | (2) 16M x 36 | (2) 1M x 36 |
|------------------+--------------------+--------------------|
| 144MB | (2) 16M x 36 | (2) 2M x 36 |
|------------------+--------------------+--------------------|
| 160MB | (2) 16M x 36 | (2) 4M x 36 |
|------------------+--------------------+--------------------|
| 192MB | (2) 16M x 36 | (2) 8M x 36 |
|------------------+--------------------+--------------------|
| 256MB | (2) 16M x 36 | (2) 16M x 36 |
|------------------------------------------------------------|
| Note: Board accepts EDO & FP memory. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE SIZE |
|------------------------------------------------------------|
| Size | Bank 0 | SL1 |
|------------------+--------------------+--------------------|
| 256KB (A) | None | Installed |
|------------------+--------------------+--------------------|
| 256KB (B) | (2) 32K x 32 | Not installed |
|------------------+--------------------+--------------------|
| 512KB | (2) 32K x 32 | Installed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE JUMPER |
|------------------------------------------------------------|
| Size | JP8 | JP9 |
|------------------+--------------------+--------------------|
| 256KB (A) | Open | Open |
|------------------+--------------------+--------------------|
| 256KB (B) | Pins 2 & 3 closed | Pins 1 & 2 closed |
|------------------+--------------------+--------------------|
| 512KB | Pins 1 & 2 closed | Pins 2 & 3 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU TYPE/SPEED/VOLTAGE |
|------------------------------------------------------------|
| CPU | Speed | Voltage | Multiplier | JP10 | JP11 | JP12 |
| type | | | | | | |
|-------+--------+---------+------------+------+------+------|
| Intel | 75MHz | 3.3v | 1.5x | 1 & | 1 & | 1 & |
| | | | | 2 | 2 | 2, 3 |
| | | | | | | & 4, |
| | | | | | | 5 & |
| | | | | | | 6 |
|-------+--------+---------+------------+------+------+------|
| Intel | 90MHz | 3.3v | 1.5x | 2 & | 1 & | 1 & |
| | | | | 3 | 2 | 2, 3 |
| | | | | | | & 4, |
| | | | | | | 5 & |
| | | | | | | 6 |
|-------+--------+---------+------------+------+------+------|
| Intel | 90MHz | 3.4v | 1.5x | 2 & | 1 & | 1 & |
| | | | | 3 | 2 | 2, 3 |
| | | | | | | & 4, |
| | | | | | | 5 & |
| | | | | | | 6 |
|-------+--------+---------+------------+------+------+------|
| Intel | 90MHz | 3.5v | 1.5x | 2 & | 1 & | 1 & |
| | | | | 3 | 2 | 2, 3 |
| | | | | | | & 4, |
| | | | | | | 5 & |
| | | | | | | 6 |
|-------+--------+---------+------------+------+------+------|
| Intel | 100MHz | 3.3v | 1.5x | 1 & | 2 & | 1 & |
| | | | | 2 | 3 | 2, 3 |
| | | | | | | & 4, |
| | | | | | | 5 & |
| | | | | | | 6 |
|-------+--------+---------+------------+------+------+------|
| Intel | 100MHz | 3.4v | 1.5x | 1 & | 2 & | 1 & |
| | | | | 2 | 3 | 2, 3 |
| | | | | | | & 4, |
| | | | | | | 5 & |
| | | | | | | 6 |
|-------+--------+---------+------------+------+------+------|
| Cyrix | 120MHz | 3.3v | 1.5x | 1 & | 2 & | 1 & |
| | | | | 2 | 3 | 2, 3 |
| | | | | | | & 4, |
| | | | | | | 5 & |
| | | | | | | 6 |
|-------+--------+---------+------------+------+------+------|
| Intel | 120MHz | 3.3v | 2x | 2 & | 1 & | 1 & |
| | | | | 3 | 2 | 2, 3 |
| | | | | | | & 4, |
| | | | | | | 5 & |
| | | | | | | 6 |
|-------+--------+---------+------------+------+------+------|
| Cyrix | 133MHz | 3.3v | 2x | 2 & | 2 & | 1 & |
| | | | | 3 | 3 | 2, 3 |
| | | | | | | & 4, |
| | | | | | | 5 & |
| | | | | | | 6 |
|-------+--------+---------+------------+------+------+------|
| Intel | 133MHz | 3.5v | 2x | 1 & | 2 & | 1 & |
| | | | | 2 | 3 | 2, 3 |
| | | | | | | & 4, |
| | | | | | | 5 & |
| | | | | | | 6 |
|-------+--------+---------+------------+------+------+------|
| Cyrix | 150MHz | 3.3v | 2x | 2 & | 1 & | 1 & |
| | | | | 3 | 2 | 2, 3 |
| | | | | | | & 4, |
| | | | | | | 5 & |
| | | | | | | 6 |
|-------+--------+---------+------------+------+------+------|
| Intel | 150MHz | 3.5v | 2.5x | 2 & | 1 & | 1 & |
| | | | | 3 | 2 | 2, 3 |
| | | | | | | & 4, |
| | | | | | | 5 & |
| | | | | | | 6 |
|-------+--------+---------+------------+------+------+------|
| Cyrix | 166MHz | 3.3v | 2x | 1 & | 2 & | 1 & |
| | | | | 2 | 3 | 2, 3 |
| | | | | | | & 4, |
| | | | | | | 5 & |
| | | | | | | 6 |
|-------+--------+---------+------------+------+------+------|
| Intel | 166MHz | 3.5v | 2.5x | 1 & | 2 & | 1 & |
| | | | | 2 | 3 | 2, 3 |
| | | | | | | & 4, |
| | | | | | | 5 & |
| | | | | | | 6 |
|-------+--------+---------+------------+------+------+------|
| Intel | 180MHz | 3.5v | 3x | 2 & | 1 & | 1 & |
| | | | | 3 | 2 | 2, 3 |
| | | | | | | & 4, |
| | | | | | | 5 & |
| | | | | | | 6 |
|-------+--------+---------+------------+------+------+------|
| Intel | 200MHz | 3.3v | 2.5x | 1 & | 2 & | Open |
| | | | | 2 | 3 | |
|-------+--------+---------+------------+------+------+------|
| Intel | 200MHz | 3.5v | 3x | 1 & | 2 & | 1 & |
| | | | | 2 | 3 | 2, 3 |
| | | | | | | & 4, |
| | | | | | | 5 & |
| | | | | | | 6 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU TYPE/SPEED/VOLTAGE (CON’T) |
|------------------------------------------------------------|
| CPU | Speed | Voltage | Multiplier | JP13 | JP20 | JP21 |
| type | | | | | | |
|-------+--------+---------+------------+------+------+------|
| Intel | 75MHz | 3.3v | 1.5x | 1 & | 2 & | 2 & |
| | | | | 2, 7 | 3 | 3 |
| | | | | & 8 | | |
|-------+--------+---------+------------+------+------+------|
| Intel | 90MHz | 3.3v | 1.5x | 1 & | 2 & | 2 & |
| | | | | 2, 7 | 3 | 3 |
| | | | | & 8 | | |
|-------+--------+---------+------------+------+------+------|
| Intel | 90MHz | 3.4v | 1.5x | 3 & | 2 & | 2 & |
| | | | | 4, 7 | 3 | 3 |
| | | | | & 8 | | |
|-------+--------+---------+------------+------+------+------|
| Intel | 90MHz | 3.5v | 1.5x | 5 & | 2 & | 2 & |
| | | | | 6, 7 | 3 | 3 |
| | | | | & 8 | | |
|-------+--------+---------+------------+------+------+------|
| Intel | 100MHz | 3.3v | 1.5x | 1 & | 2 & | 2 & |
| | | | | 2, 7 | 3 | 3 |
| | | | | & 8 | | |
|-------+--------+---------+------------+------+------+------|
| Intel | 100MHz | 3.4v | 1.5x | 3 & | 2 & | 2 & |
| | | | | 4, 7 | 3 | 3 |
| | | | | & 8 | | |
|-------+--------+---------+------------+------+------+------|
| Cyrix | 120MHz | 3.3v | 1.5x | 1 & | 2 & | 2 & |
| | | | | 2, 7 | 3 | 3 |
| | | | | & 8 | | |
|-------+--------+---------+------------+------+------+------|
| Intel | 120MHz | 3.3v | 2x | 1 & | 2 & | 1 & |
| | | | | 2, 7 | 3 | 2 |
| | | | | & 8 | | |
|-------+--------+---------+------------+------+------+------|
| Cyrix | 133MHz | 3.3v | 2x | 1 & | 2 & | 1 & |
| | | | | 2, 7 | 3 | 2 |
| | | | | & 8 | | |
|-------+--------+---------+------------+------+------+------|
| Intel | 133MHz | 3.5v | 2x | 5 & | 2 & | 1 & |
| | | | | 6, 7 | 3 | 2 |
| | | | | & 8 | | |
|-------+--------+---------+------------+------+------+------|
| Cyrix | 150MHz | 3.3v | 2x | 1 & | 2 & | 1 & |
| | | | | 2, 7 | 3 | 2 |
| | | | | & 8 | | |
|-------+--------+---------+------------+------+------+------|
| Intel | 150MHz | 3.5v | 2.5x | 5 & | 1 & | 1 & |
| | | | | 6, 7 | 2 | 2 |
| | | | | & 8 | | |
|-------+--------+---------+------------+------+------+------|
| Cyrix | 166MHz | 3.3v | 2x | 1 & | 2 & | 1 & |
| | | | | 2, 7 | 3 | 2 |
| | | | | & 8 | | |
|-------+--------+---------+------------+------+------+------|
| Intel | 166MHz | 3.5v | 2.5x | 5 & | 1 & | 1 & |
| | | | | 6, 7 | 2 | 2 |
| | | | | & 8 | | |
|-------+--------+---------+------------+------+------+------|
| Intel | 180MHz | 3.5v | 3x | 5 & | 1 & | 2 & |
| | | | | 6, 7 | 2 | 3 |
| | | | | & 8 | | |
|-------+--------+---------+------------+------+------+------|
| Intel | 200MHz | 3.3v | 2.5x | 1 & | 1 & | 2 & |
| | | | | 2, 9 | 2 | 3 |
| | | | | & 10 | | |
|-------+--------+---------+------------+------+------+------|
| Intel | 200MHz | 3.5v | 3x | 5 & | 1 & | 2 & |
| | | | | 6, 7 | 2 | 3 |
| | | | | & 8 | | |
+------------------------------------------------------------+