DIVERSIFIED TECHNOLOGY
LBC8521
| Device Type | Single board computer |
| Processor | Pentium II (2) |
| Processor Speed | 233/266/300/333MHz |
| Chip Set | Unidentified |
| Maximum Onboard Memory | 512MB (EDO & SDRAM) |
| Cache | 256/512KB (located on the CPU) |
| BIOS | Phoenix |
| Dimensions | 338mm x 122mm |
| I/O Options | Floppy drive interface, IDE interface, keyboard interface, parallel interface, PS/2 keyboard port, PS/2 mouse port, serial interfaces (2), system monitor interface, system monitor serial interface, USB port |
| Data Bus | 16-bit ISA/32-bit PCI |
CONNECTIONS |
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Purpose |
Location |
Purpose |
Location |
| Internal keyboard interface | J1 | IDE interface LED | J10 |
| System monitor serial interface | J2 | Floppy drive interface | J11 |
| System monitor interface | J3 | IDE interface | J12 |
| Serial interface 1 | J4 | CPU fan power A | J13 |
| Serial interface 2 | J5 | CPU fan power B | J14 |
| Parallel interface | J6 | PS/2 keyboard port | J15 |
| Power LED & keylock | J7 | PS/2 mouse port | J16 |
| Speaker | J8 | USB port | J17 |
| Reset switch | J9 | ||
USER CONFIGURABLE SETTINGS |
|||
Function |
Label |
Position |
|
| » | Bracket is grounded | E1 | Closed |
| Bracket not grounded | E1 | Open | |
| » | System serial port mode DTE | E7 | Closed |
| System serial port mode DCE | E7 | Open | |
| » | Manufacturing test disabled | E8 | Open |
| Manufacturing test enabled | E8 | Closed | |
| » | VGA display type | E9 | Closed |
| Monochrome display type | E9 | Open | |
| » | Mouse interrupt IRQ12 enabled | E10 | Closed |
| Mouse interrupt IRQ12 disabled | E10 | Open | |
DIMM CONFIGURATION |
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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 |
256MB |
(1) 32M x 64 |
None |
264MB |
(1) 32M x 64 |
(1) 1M x 64 |
272MB |
(1) 32M x 64 |
(1) 2M x 64 |
288MB |
(1) 32M x 64 |
(1) 4M x 64 |
320MB |
(1) 32M x 64 |
(1) 8M x 64 |
384MB |
(1) 32M x 64 |
(1) 16M x 64 |
512MB |
(1) 32M x 64 |
(1) 32M x 64 |
| Note: Board supports EDO & SDRAM memory. | ||
CACHE CONFIGURATION |
| Note: 256/512KB cache is located on the Pentium II CPUs. |
CPU SPEED SELECTION |
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CPU Speed |
Bus Speed |
E2 | E3 | E4 | E5 | E6 |
| 233MHz | 66MHz | Open | Open | Closed | Closed | Open |
| 266MHz | 66MHz | Closed | Closed | Open | Closed | Open |
| 300MHz | 66MHz | Open | Closed | Open | Closed | Open |
| 333MHz | 66MHz | Closed | Open | Open | Closed | Open |
MISCELLANEOUS TECHNICAL NOTES |
| Up to 4 32-bit PCI devices are supported. 16-bit ISA support is provided as well. |