PC 300 - 6277, 6287 - Pentium® II, Pentium® III - System Board Layout

PC 300 - 6277, 6287 - Pentium® II, Pentium® III - System Board Layout

1 Processor Socket
2 DIMM Socket 0
3 DIMM Socket 1
4 DIMM Socket 2
5 Power Switch Connector
6 LED Connector
7 Wake on LAN Connector
8 Primary (EIDE) Disk Drive Connector
9 Secondary (EIDE) Disk Drive Connector
10 Diskette Drive Connector
11 Power Connector
12 Wake on Ring Connector
13 CMOS Clear Jumper
14 Switch SW1
15 Battery
16 ISA Slot
17 CD-ROM Audio Connector
18 PCI 3 Slot
19 Speaker Connector
20 PCI 2 Slot
21 PCI 1 Slot

22 MIDI/Joystick Connector
23 Microphone In
24 Line Out
25 Headphone

26 USB Connectors
(top = USB2, bottom = USB1)

27 Mouse/Keyboard Connector
(top = Mouse, bottom = Keyboard)

28 Serial Connector
29 Parallel Connector
30 Display Connector

Jumper / Switch Settings

The following tables contain the jumper/switch setting information.
(D) indicates the default setting.

Jumper	Setting	Description
CMOS Reset	2-3 1-2 (D)	CMOS reset. Normal.

  Pentium® III processors do not require speed settings.

For Pentium® III processors, you can ignore the speed settings.

Pentium® II - Processor Speed Switch Setting SW1 1-4

CPU Switch Settings	SW1-1	SW1-2	SW1-3	SW1-4
350 MHz Pentium® II	Off	Off	On	On
400 MHz Pentium® II	On	On	Off	On
450 MHz Pentium® II	Off	On	Off	On

Flash Boot Block Recovery Switch SW1-5

Flash Boot Block	SW1-5
Normal Mode	Off (D)
Recovery Mode	On

Diskette Write Access Switch SW1-6

Diskette Access	SW1-6
Write Enabled	Off (D)
Write Protected	On

Supported (384 MB max.) Memory Configurations

Any combination of 16, 32, 64, or 128 MB DIMM sizes, are acceptable.
Start filling at DIMM socket 0.
Use 3.3 V unbuffered Non-parity DIMMs only.
See 'System board memory' for DIMM size, speed and type.

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