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# IBM CORPORATION
PC 340 SERIES (TYPE 6560)
Processor Pentium
Processor Speed 100/133MHz
Chip Set Unidentified
Video Chip Set Unidentified
Maximum Onboard 128MB (EDO supported)
Memory
Maximum Video Unidentified
Memory
Cache 256/512KB
BIOS Unidentified
Dimensions 254mm x 218mm
I/O Options Floppy drive interface, IDE interfaces (2),
parallel port, PS/2 mouse port, serial ports
(2), feature connector, VGA port, riser slot
NPU Options None
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|---------------------+----------+----------------+----------|
| PS/2 mouse port | J2 | Chassis fan | J13 |
| | | power | |
|---------------------+----------+----------------+----------|
| Floppy drive | J5 | Parallel port | P1 |
| interface | | | |
|---------------------+----------+----------------+----------|
| Feature connector | J6 | Serial port 2 | P2 |
|---------------------+----------+----------------+----------|
| IDE interface 2 | J7 | Serial port 1 | P3 |
|---------------------+----------+----------------+----------|
| IDE interface 1 | J8 | VGA port | P4 |
|---------------------+----------+----------------+----------|
| IDE interface | J12 | Riser slot | SL1 |
| LED/power LED | | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Label | Position |
|---------------------------------------+-------+------------|
| » | CMOS memory normal operation | J9 | Pins 1 & 2 |
| | | | closed |
|---+-----------------------------------+-------+------------|
| | CMOS memory clear | J9 | Pins 2 & 3 |
| | | | closed |
|---+-----------------------------------+-------+------------|
| » | On board video enabled | JP3 | Closed |
|---+-----------------------------------+-------+------------|
| | On board video disabled | JP3 | Open |
|---+-----------------------------------+-------+------------|
| » | PS/2 mouse enabled | JP4 | Closed |
|---+-----------------------------------+-------+------------|
| | PS/2 mouse disabled | JP4 | Open |
|---+-----------------------------------+-------+------------|
| » | Flash BIOS write protect disabled | JP11 | Pins 1 & 2 |
| | | | closed |
|---+-----------------------------------+-------+------------|
| | Flash BIOS write protect enabled | JP11 | Pins 2 & 3 |
| | | | closed |
|---+-----------------------------------+-------+------------|
| » | Floppy drive write protect | JP21 | Pins 1 & 2 |
| | disabled | | closed |
|---+-----------------------------------+-------+------------|
| | Floppy drive write protect | JP21 | Pins 2 & 3 |
| | enabled | | closed |
|---+-----------------------------------+-------+------------|
| » | Non linear burst enabled | JP22 | Pins 1 & 2 |
| | | | closed |
|---+-----------------------------------+-------+------------|
| | Linear burst disabled | JP22 | Pins 2 & 3 |
| | | | closed |
|---+-----------------------------------+-------+------------|
| » | HDD detect enabled | JP23 | Pins 1 & 2 |
| | | | closed |
|---+-----------------------------------+-------+------------|
| | HDD non detect enabled | JP23 | Pins 2 & 3 |
| | | | closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 |
|------------------+--------------------+--------------------|
| 8MB | (2) 1M x 32 | None |
|------------------+--------------------+--------------------|
| 16MB | (2) 2M x 32 | None |
|------------------+--------------------+--------------------|
| 16MB | (2) 1M x 32 | (2) 1M x 32 |
|------------------+--------------------+--------------------|
| 32MB | (2) 4M x 32 | None |
|------------------+--------------------+--------------------|
| 32MB | (2) 2M x 32 | (2) 2M x 32 |
|------------------+--------------------+--------------------|
| 48MB | (2) 2M x 32 | (2) 4M x 32 |
|------------------+--------------------+--------------------|
| 64MB | (2) 8M x 32 | None |
|------------------+--------------------+--------------------|
| 64MB | (2) 4M x 32 | (2) 4M x 32 |
|------------------+--------------------+--------------------|
| 72MB | (2) 8M x 32 | (2) 1M x 32 |
|------------------+--------------------+--------------------|
| 80MB | (2) 8M x 32 | (2) 2M x 32 |
|------------------+--------------------+--------------------|
| 96MB | (2) 8M x 32 | (2) 4M x 32 |
|------------------+--------------------+--------------------|
| 128MB | (2) 8M x 32 | (2) 8M x 32 |
|------------------------------------------------------------|
| Note: Board accepts EDO memory. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | TAG |
|------------+---------------+---------------+---------------|
| 256KB | (4) 32K x 8 | (4) 32K x 8 | (1) 32K x 8 |
|------------+---------------+---------------+---------------|
| 512KB | (4) 64K x 8 | (4) 64K x 8 | (1) 32K x 8 |
|------------------------------------------------------------|
| Note: The location of banks 0 & 1 are unidentified. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE JUMPER CONFIGURATION |
|------------------------------------------------------------|
| Size | JP13 |
|----------------------------+-------------------------------|
| 256KB | Pins 1 & 2 closed |
|----------------------------+-------------------------------|
| 512KB | Pins 2 & 3 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| VIDEO MEMORY CONFIGURATION |
|------------------------------------------------------------|
| Note: The size of the video memory is unidentified. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION |
|------------------------------------------------------------|
| CPU speed | Clock | Multiplier | JP14 | JP17 |
| | speed | | | |
|-----------+--------+------------+-----------------+--------|
| 100MHz | 66MHz | 1.5x | Pins 1 & 2, 3 & | Open |
| | | | 4 closed | |
|-----------+--------+------------+-----------------+--------|
| 133MHz | 66MHz | 2x | Pins 1 & 2, 3 & | Closed |
| | | | 4 closed | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU TYPE SELECTION |
|------------------------------------------------------------|
| Type | JP19 |
|-----------------------------+------------------------------|
| | STD (3.3v) | Pins 1 & 2 closed |
|---+-------------------------+------------------------------|
| » | VRE (3.52v) | Pins 2 & 3 closed |
+------------------------------------------------------------+