IBM CORPORATION
PC 340 SERIES (TYPE 6560)
Processor | Pentium |
Processor Speed | 100/133MHz |
Chip Set | Unidentified |
Video Chip Set | Unidentified |
Maximum Onboard Memory | 128MB (EDO supported) |
Maximum Video Memory | Unidentified |
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 |

CONNECTIONS | |||
Purpose | Location | Purpose | Location |
PS/2 mouse port | J2 | Chassis fan power | J13 |
Floppy drive interface | J5 | Parallel port | P1 |
Feature connector | J6 | Serial port 2 | P2 |
IDE interface 2 | J7 | Serial port 1 | P3 |
IDE interface 1 | J8 | VGA port | P4 |
IDE interface LED/power LED | J12 | Riser slot | SL1 |
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 disabled | JP21 | Pins 1 & 2 closed |
Floppy drive write protect enabled | JP21 | Pins 2 & 3 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 speed | Multiplier | JP14 | JP17 |
100MHz | 66MHz | 1.5x | Pins 1 & 2, 3 & 4 closed | Open |
133MHz | 66MHz | 2x | Pins 1 & 2, 3 & 4 closed | Closed |
CPU TYPE SELECTION | ||
Type | JP19 | |
STD (3.3v) | Pins 1 & 2 closed | |
| » | VRE (3.52v) | Pins 2 & 3 closed |