PC Server 315 (Type 8638) System Board



PC Server 315 (Type 8638) System Board

1 Auxiliary power connector (J9)

2 CMOS clear (password) jumper (J8)
1-2 = Normal / 2-3 = Erase PW and CMOS clear

3 Diskette Drive connector

4 Switches for Microprocessor speeds, diskette
write protection, and serial port B
(see switch pictures on left panel, below sys-board)

5 Battery
6 3.3 Vdc power connector
7 Main power connector
8 Secondary fan connector (J12)
9 Microprocessor
10 Power LED connector
11 First fan connector

12 System memory connector 4 (MEM4)
13 System memory connector 3 (MEM3)
14 System memory connector 2 (MEM2)
15 System memory connector 1 (MEM1)

16 Riser card connector
17 Serial Port B (J20)

18 Parallel port
19 Universal Serial Port (USB)
20 Serial A port
21 Mouse connector
22 Keyboard connector
23 Infrared (IR) port


Switch Settings

  If the microprocessor bus-to-core ratio is incorrect, system-board components will overheat and component damage might occur. Be sure that microprocessor switch settings on the microprocessor switch are set properly according to the speed of the microprocessor.

There are eight switch settings on the microprocessor switch. The switch settings have the following meanings:
(see switch pictures on left panel, below sys-board)

Switch
Number
Purpose
1 Core ratio
2 Core ratio
3 Core ratio
4 Core ratio
5 System bus speed
6 System bus speed
7 Serial port B
° On - Enables Serial B port
° Off - Disables Serial B port
8 Diskette Drive
° Off - Normal diskette operation
° On - Enables read-only diskette operation


System Board Memory Configuration

The following DIMM configurations are supported.

NOTE: Standard memory-module configurations are subject to change.

Configuration Speed Type Size (MB)
Standard 60 ns EDO
ECC
32
Optional 60 ns EDO
ECC
32, 64, 128

Total
Memory
Mem1 Mem2 Mem3 Mem4
32 32 - - -
42 32 16 - -
48 16 16 16 -
64 64 - - -
64 32 32 - -
64 32 16 16 -
96 32 32 32 -
128 128 - - -
128 64 64 - -
256 128 128 - -
256 128 64 64 -
512 128 128 128 128


Back to  Jump to TOP-of-PAGE

Please see the LEGAL  -  Trademark notice.
Feel free - send a Email-NOTE  for any BUG on this page found - Thank you.