PC-300 / 6562, 6592 Pentium® MMX™ - System Board
PC-300 / 6562, 6592 Pentium® MMX™ - System Board
When replacing Systemboard or Riser card, see > MIF-file update
1 Display Connector
2 Mouse/Keyboard Connectors
(top = Mouse / bottom = Keyboard)
3 Serial Connectors
(top = Serial Port 2)
(bottom = Serial Port 1)
4 USB Connectors
(top = USB2 / bottom = USB1)
5 Parallel Port Connector
6 Ethernet RJ45 Connector
7 Audio Line IN
8 Audio Line OUT
9 Matrox Rainbow Runner Studio upgrade Connector
10 VESA Feature Connector
11 115 Kbps Infrared Connector
12 Video memory or Rainbow Runner Studio upgrade Connector
13 Battery
14 Switch SW1
15 Processor socket
16 DIMM socket 0
17 DIMM socket 1
18 DIMM socket 2
19 CMOS clear Jumper (J15)
20 System Board Latch
21 Video memory or Rainbow Runner Studio upgrade Connector
The following tables contains the jumper/switch setting information.
(D) indicates the default setting.
CMOS Reset Jumper (J15)
| Jumper |
Setting |
Description |
| J15 |
2-3 |
CMOS reset |
| J15 |
1-2 (D) |
Normal |
P55C Processor Speed Switch Setting (SW1 1-4)
Jumper
Switch
Settings |
SW1-1
(BF0) |
SW1-2
(BF1) |
SW1-3
(Clk 0) |
SW1-4
(Clk 1) |
| 166/66 MHz |
ON |
ON |
ON |
Off |
| 200/66 MHz |
Off |
ON |
ON |
Off |
| 233/60 MHz |
Off |
Off |
ON |
Off |
Reserved Switch (SW1-5)
| Reserved |
SW1-5 |
| Reserved |
Off (D) |
System Board Ethernet Disable Switch (SW1-6)
System Board
Ethernet Disable |
SW1-6 |
| Disable |
ON |
| Enable |
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
Any combination of DIMM sizes, up to 128 MB is acceptable. Start filling
DIMM socket 0, then 1, then 2. Use 3.3 V unbuffered EDO DIMMS only. Install
only ECC DIMMs to enable ECC.
See > 
'System Board Memory' for DIMM size, speed,
and type.
Total
Memory |
DIMM
Bank 0
MB |
DIMM
Bank 1
MB |
DIMM
Bank 2
MB |
| 16 MB |
16 |
- |
- |
| 32 MB |
32 |
- |
- |
| 32 MB |
16 |
16 |
- |
| 48 MB |
16 |
32 |
- |
| 48 MB |
16 |
16 |
16 |
| 64 MB |
32 |
32 |
- |
| 64 MB |
32 |
16 |
16 |
| 80 MB |
32 |
32 |
16 |
| 96 MB |
32 |
64 |
- |
| 96 MB |
32 |
32 |
32 |
| 112 MB |
32 |
64 |
16 |
| 128 MB |
32 |
64 |
32 |
| 160 MB |
32 |
128 |
- |
| 160 MB |
32 |
64 |
64 |
| 176 MB |
32 |
128 |
16 |
| 192 MB |
32 |
128 |
32 |
| 224 MB |
32 |
128 |
64 |
| 288 MB |
32 |
128 |
128 |
| 384 MB |
128 |
128 |
128 |
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