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System Board: Dell Dimension� P133a, P166a, M166a, M200a, and M233a
System Board: Dell Dimension P133a, P166a, M166a, M200a, and
M233a
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NOTE: The cache-memory card socket
(COAST) is populated only on early versions of the Dell
Dimension P133a, P166a, M166a, and M200a systems. On
later versions, the cache memory chips are soldered
directly on the system board. |

| Connector
or Socket |
Description |
| 3.3V |
3.3-V
power input connector |
| BANK n |
DIMM
sockets |
| BH9L1 |
Battery
socket |
| COM1 |
Serial
port connector |
| CPU |
Microprocessor
socket |
| FLOPPY |
Diskette-drive
interface connector |
| J1B1, J1A2, J1A1 |
ISA
expansion-card connectors |
| J2E2, J2E1, J2D1 |
PCI
expansion-card connectors |
| J7M1 |
Microprocessor
fan connector |
| J9C1 |
System board jumpers |
| J9E1 |
Control
panel connector |
| KEYBOARD |
Keyboard
connector |
| MOUSE |
Mouse
connector |
| PARALLEL |
Parallel port connector;
sometimes referred to as "LPT1" |
| POWER |
Power
input connector |
| PRI
IDE |
Primary
EIDE channel connector |
| SEC
IDE |
Secondary
EIDE channel connector |
| SERIAL |
Serial port connector;
sometimes referred to as "COM1" |
| USB n |
USB
connectors |
| VIDEO |
Video connector |
| VIDEO FEATURE CONN |
Video feature connector |
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