User manual
DIGITAL-LOGIC AG MSM800SEV/SEL/BEV/XEV/XEL Detailed Manual V1.7
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5.3.1. CPUs of this MICROSPACE Product .................................................................................... 48
5.3.2. Numeric Coprocessor............................................................................................................ 48
5.3.3. DDRAM Memory on MSM800SEV/SEL/BEV/BEL................................................................ 48
5.3.4. DDRAM Memory on MSM800XEV/XEL................................................................................ 48
5.4. Interfaces ...................................................................................................................................... 48
5.4.1. AT Compatible Keyboard & PS/2 Mouse X31....................................................................... 48
5.4.2. Line Printer Port LPT1 ........................................................................................................... 49
5.4.3. Serial Ports COM1-COM2 ..................................................................................................... 49
5.4.4. Floppy Disk Interface............................................................................................................. 49
5.4.5. Speaker Interface .................................................................................................................. 50
5.5. Controllers .................................................................................................................................... 51
5.5.1. Interrupt Controllers............................................................................................................... 51
5.6. Timers and Counters ................................................................................................................... 51
5.6.1. Programmable Timers ........................................................................................................... 51
5.6.2. RTC (Real Time Clock) ......................................................................................................... 52
5.6.3. Watchdog............................................................................................................................... 52
5.7. BIOS............................................................................................................................................... 53
5.7.1. Core BIOS download............................................................................................................. 53
5.7.2. ROM-BIOS Sockets............................................................................................................... 54
5.7.3. BIOS CMOS Setup ................................................................................................................ 54
5.8. CMOS RAM Map ........................................................................................................................... 54
5.9. EEPROM saved CMOS Setup...................................................................................................... 60
5.9.1. EEPROM Memory for Setup ................................................................................................. 61
5.10. Memory & I/O Map ........................................................................................................................ 61
5.10.1. System Memory Map............................................................................................................. 61
5.10.2. System I/O Map ..................................................................................................................... 62
6. VGA/LCD ...................................................................................................................66
6.1. VGA/LCD Controller of the Geode LX800 .................................................................................. 66
6.2. Graphic Modes ............................................................................................................................. 66
6.3. DVICON Resolution...................................................................................................................... 66
6.4. Flat Panel Functional Description .............................................................................................. 67
7. DESCRIPTION OF THE CONNECTORS................................................................................68
7.1. Top Side of the MSM800SEV/SEL V2.1/V2.2.............................................................................. 69
7.2. Bottom Side of the MSM800SEV V2.1/V2.2................................................................................ 70
7.3. Top Side of the MSM800BEV V1.1 .............................................................................................. 71
7.4. Top Side of the MSM800XEV/XEL V1.0 ...................................................................................... 72
8. JUMPER LOCATIONS ON THE BOARD ..............................................................................83
8.1. The Jumpers on the MSM800SEV/SEL ...................................................................................... 83
8.2. The Jumpers on the MSM800BEV/XEV/XEL .............................................................................. 83
9. CABLE INTERFACES ......................................................................................................88
9.1. The Hard Disk Cable 44pin.......................................................................................................... 88
9.2. The COM 1/2 Serial Cable ............................................................................................................ 89
9.3. The Printer Cable.......................................................................................................................... 90
9.4. The Micro-Floppy Cable............................................................................................................... 91
9.5. The LAN Cable (RJ45).................................................................................................................. 92
10. THERMAL SPECIFICATIONS.........................................................................................93
11. ASSEMBLY VIEWS .....................................................................................................95
11.1. MSM800SEV/SEL V2.1/V2.2......................................................................................................... 95
11.2. MSM800BEV V1.1 ......................................................................................................................... 97
11.3. MSM800XEV/XEL V1.0 ................................................................................................................. 99
12. PREVIOUS PRODUCT VERSIONS................................................................................101
12.1. Board Dimensions – Versions 1.0 / 1.1 / 1.2 ............................................................................ 101
12.2. Assembly Views ......................................................................................................................... 102
12.2.1. MSM800SEV/SEL V1.1....................................................................................................... 102
12.2.2. MSM800 V1.2 ...................................................................................................................... 106
12.3. Connectors and Jumpers of Previous Product Versions ...................................................... 110
12.3.1. Description of the Connectors for V1.0 /V1.1 /V1.2............................................................. 110
13. INDEX .....................................................................................................................119