PC-300 / 6862, 6872, 6892 - Pentium® II / Pentium® III / Celeron™ - 233-MHz - 450-MHz
See Asset EEPROM backup - before start, replacing System Board.System Board Jumper, Switch, and Connectors
PC-300 / 6862, 6872, 6892 - Pentium® II / Pentium® III / Celeron™
- 233-MHz - 450-MHz
See Asset EEPROM backup - before start, replacing System Board.
System Board Jumper, Switch, and Connectors
1 Battery
2 Switch SW1
3 Microprocessor Socket
4 DIMM Socket 0
5 DIMM Socket 1
6 DIMM Socket 2
7 CMOS Clear Jumper (J9)
8 AGP 2x Connector
9 Display Connector
10 Mouse / Keyboard Connector
(top = Mouse / bottom = Keyboard)
11 Serial Connectors
(top = Serial port 2 / bottom = Serial port 1)
12 USB Connectors
(top = USB port 2 / bottom = USB port 1)
13 Parallel Connector
14 Ethernet RJ45 Connector
15 Audio Line Out
16 Audio Line In
17 Microphone Connector
The following tables contains the switch settings.
(D) indicates the default setting.
CMOS Reset (J9)
Please see the LEGAL - Trademark notice.
Jumper
Setting
Description
CMOS Reset
2-3
CMOS reset
Normal Work
1-2
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
SettingsSW1 - 1
SW1 - 2
SW1 - 3
SW1 - 4
233/66 MHz
Off
Off
ON
ON
266/66 MHz
ON
ON
Off
ON
300/66 MHz
Off
ON
Off
ON
333/66 MHz
ON
Off
Off
ON
350/100 MHz
Off
Off
ON
ON
400/100 MHz
ON
ON
Off
ON
450/100 MHz
Off
ON
Off
ON
Celeron™ - Processor Speed Switch Setting (SW1 1-4)
CPU
Switch
SettingsSW1 - 1
SW1 - 2
SW1 - 3
SW1 - 4
300 MHz
Off
ON
Off
ON
333 MHz
ON
Off
Off
ON
433 MHz
Off
ON
ON
Off
ROM Operation Switch (SW1-5)
ROM Operation
SW1-5
ROM Recovery Mode
ON
Normal ROM Operation
Off (D)
Reserved Switch (SW1-6)
Reserved
SW1-6
Reserved
Off (D)
Privilege Access Password (PAP) Switch (SW1-7)
PAP
SW1-7
Disable
Off (D)
Enable
On
Diskette Write Access Switch (SW1-8)
Diskette Access
SW1-8
Write Enabled
Off (D)
Write Protected
On
Supported Memory Configurations
DIMM sizes of 16MB, 32MB, 64MB, and 128MB are acceptable. Start filling
DIMM socket 0, then 1, then 2. Use 3.3V unbuffered 100MHz SDRAM Non-Registered
DIMMs only. Non-parity or ECC DIMMs are supported. Install only ECC DIMMs to
enable ECC.
See > 
'System Board Memory' for DIMM size, speed,
and type.
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