Compaq MSB900L user manual If KEL Memory Offset 100h0 =

Page 37

DIGITAL-LOGIC AG

 

MSB900/L Detailed Technical Manual V1.0

I/O Map

Continued…

 

 

 

 

 

 

 

 

 

I/O Addr.

Function

Size

R/W

Comment

 

 

 

 

 

 

 

 

 

If KEL Memory Offset 100h[0] = 1(Emulation-

 

 

 

 

Enabled bit).

060h

Keyboard/Mouse - Data Port

8bit

Yes

 

 

If MSR 5140001Fh[0] = 1 (SNOOP bit) and

 

 

 

 

 

 

 

 

KEL Memory Offset 100h[0] = 0 (Emulation-

 

 

 

 

Enabled bit).

061h

Port B Control

8bit

Yes

 

 

 

 

 

 

 

 

062h-063h

No Specific Usage

---

---

 

 

 

 

 

 

If KEL Memory Offset 100h[0] = 1

 

 

 

 

(Emulation-Enabled bit).

064h

Keyboard/Mouse - Command/ Status

8bit

Yes

.

 

 

 

 

 

If MSR 5140001Fh[0] = 1 (SNOOP

 

 

 

 

bit) and KEL Memory Offset 100h[0]

 

 

 

 

= 0 (Emulation-Enabled bit)

065h-06Fh

No Specific Usage

---

---

 

 

070h-071h

RTC RAM Address/Data Port

8bit

Yes

Options per MSR 51400014h[0]. (Note 1)

 

 

 

 

 

072h-073h

High RTC RAM Address/Data Port

8bit

Yes

Options per MSR 51400014h[1].

 

 

 

 

 

 

074-077h

No Specific Usage

---

---

 

 

078h-07Fh

No Specific Usage

---

---

 

 

 

 

 

 

 

080h

Post Code Display

8bit

Rec

Write LPC and DMA. Read only DMA.

 

 

 

 

 

 

081h

DMA Channel 2 Low Page

 

 

Upper addr bits [23:16]. Write LPC and

082h

DMA Channel 3 Low Page

8bit

Rec

DMA. Read only DMA.

083h

DMA Channel 1 Low Page

 

 

 

 

 

 

 

 

 

 

 

084h-086h

No Specific Usage

8bit

Rec

Write LPC and DMA. Read only DMA.

087h

DMA Channel 0 Low Page

8bit

Rec

Upper addr bits [23:16]. Write LPC and DMA.

 

 

 

 

Read only DMA.

088h

No Specific Usage

8bit

Rec

Write LPC and DMA. Read only DMA.

089h

DMA Channel 6 Low Page

 

 

Upper addr bits [23:16]. Write LPC and DMA.

 

 

8bit

Rec

08Ah

DMA Channel 7 Low Page

Read only DMA.

08B

DMA Channel 5 Low Page

 

 

 

 

 

 

08Ch-08Dh

No Specific Usage

8bit

Rec

Write LPC and DMA. Read only

 

 

 

 

 

 

08Eh

DMA

 

 

 

 

 

 

 

 

 

08Fh

DMA C4 Low Page

8bit

Rec

Upper addr bits [23:16]. See comment at 080h.

090h-091h

No Specific Usage

---

---

 

 

 

 

 

 

 

092h

Port A

8bit

Yes

If kel_porta_en is enabled, then access Port A;

else access LPC.

 

 

 

 

093h-09Fh

No Specific Usage

---

---

 

 

 

 

 

 

 

 

0A0h

PIC Slave - Command/Status

8bit

Shw$

 

 

 

 

 

 

 

 

0A1h

PIC Slave - Command/Status

8bit

Shw$

 

 

0A2h-0BFh

No Specific Usage

8bit

---

 

 

 

 

 

 

 

0C0h

Master DMA Address - Channel 4

8bit

Yes

16bit values in two transfers.

 

 

 

 

 

 

0C1h

No Specific Usage

8bit

---

 

 

0C2h

Master DMA Counter - Channel 4

8bit

Yes

16bit values in two transfers.

 

 

 

 

 

 

0C3h

No Specific Usage

8bit

---

 

 

 

 

 

 

 

0C4h

Master DMA Address - Channel 5

8bit

Yes

16bit values in two transfers.

0C6h

Master DMA Counter - Channel 5

8bit

Yes

16bit values in two transfers.

 

 

 

 

 

 

0C7h

No Specific Usage

8bit

---

 

 

 

 

 

 

 

0C8h

Master DMA Address - Channel 6

8bit

Yes

16bit values in two transfers.

0CAh

Master DMA Counter - Channel 6

8bit

Yes

16bit values in two transfers.

 

 

 

 

 

 

0CBh

No Specific Usage

8bit

---

 

 

 

 

 

 

 

 

Continued…

 

 

 

 

 

37

Image 37
Contents SBC MSB900/LMSB900/L Detailed Technical Manual About this Manual and How to Use ItTable of Contents 10.1 Trademarks PrefaceDisclaimer Environmental Protection StatementRecycling Information Limited Two Year WarrantyTechnical Support CE Conformity Explanation of SymbolsApplicable Documents and Standards RoHS Commitment For Your SafetyRoHS Compliant Production Process RoHS Compatible Product DesignWeee Application Swiss Association for Quality and Management Sys- tems Swiss QualityUnique Features Standard Features of the MSB900/LOverview DMAMSB900 Block Diagram MSB900/MSB900L specifications Standard AT Interfaces Specification Name Mass Storage SpecificationPeripheral Extension Specification Power Supply SpecificationRelated Application Notes Examples of Ordering CodesMSB900/L Dimensions & DiagramsDIGITAL-LOGIC AG DIGITAL-LOGIC AG DIGITAL-LOGIC AG Board / Version Unit Tolerance Date / Author MSB800CON Part NrMm millimeter + / 0.1mm 25.10.2006 / BRR High Frequency Radiation to meet EN55022 MSB900/L Incompatibilities to a standard PC/ATBUS Signals Battery-LifetimeExternal battery assembling for the MSB900L Addressing PCI DevicesVersion Date Status Modifications This Bios history is not for the following productsBoot Time Power RequirementsTest environment for power consumption measurement Detailed System DescriptionInterfaces CPU, Boards and RAMsSerial Ports COM1-COM2 ControllersFloppy Disk Interface Interrupt ControllersProgrammable Timers Timers and CountersROM-BIOS Sockets RTC Real Time ClockCmos RAM Map Bios Cmos SetupDevice MapCmos Map Cmos Map Bit = Internal IDE Controller Disable Password Bits = Reserved 34h Minor CPU Revision Eeprom saved Cmos SetupMemory & I/O Map Eeprom Memory for SetupSystem Memory Map Addr Function Size Comment System I/O mapIf KEL Memory Offset 100h0 = LPC MSB900/L Detailed Technical Manual MapMSR bit enables/disables into I/O VGA/LCD Controller of the Geode LX900 Resolution Col. Dept FrequencyGraphic Modes Connector Structure Pin Remarks Description of the ConnectorsVideo Input Flat cableTop view of the MSB900/L Bottom view of the MSB900/L Pin Signal Power Supply Pin Signal Shield Power supplyX14 X15 Operator Panel / Flat Panel bottom side GND LVDSYAP1 LVDSYAM1 GND LVDSYAP0 LVDSYAM0GND LVDSYAP2 LVDSYAM2 GND Lvdsclkam LvdsclkapConnector and Adapter Mini- DIN PS/2 6 PC Remarks X31 Keyboard PS/2 and Mouse Utility ConnectorX33 10/100 BASE-T Interface Connector Pin Signal CAT X34 10/100 BASE-T Interface Connector Pin SignalX50 USB 1 Connector Dual-USB Pin Signal Remarks X39 Serial Port COM2 Header onboard SUB connector SignalX51 USB 2 Connector Dual USB Pin Signal Remarks X52 USB Udoc not assembled X60 IDE Interface Pin SignalPin Power supply GND Dlag boards have them as NC not connected X110 LPC-Port X101 PCI-104 BUS Interface PinX301 VGA Monitor CRT-Signals 15pins High-Density DSub Pin X230 JTAG-Port Pin SignalTCK TMS TDI TDO Disabled Reload Default Bios SettingsJumper Locations on the Board Jumpers on MSB900/LDIGITAL-LOGIC AG Hard Disk Cable 44pin Cable InterfacesPin Signal LPT1 25pin D-Sub female Pin Signal COM1 9pin D-Sub maleCOM1/LPT Serial Interface Cable COM2 Serial Interface Cable Pin Signal COM2 9pin D-Sub maleThermal Analysis for Case Integration Thermal SpecificationsMHz Uin MSB900/L Assembly ViewsDIGITAL-LOGIC AG Mechanical Dimensions Combined standard Dhcp and redirection services PXE-BOOT and PXE-SETUP in the BiosSeparate standard Dhcp and redirection services DIGITAL-LOGIC AG Product Currency Circle one PXE-LICENSE OrderMPC20 USD CHFCmos Bios CmosDram EMI / EMCSQS ROM-BIOS RTCUdoc USB VGA

MSB900, MSB900L specifications

The Compaq MSB900 and MSB900L are noteworthy entries in the realm of personal computing, particularly for their cutting-edge features and innovative technologies that defined their era. Positioned as versatile desktop solutions, both models have garnered attention for their robust performance and user-friendly design.

The Compaq MSB900 is equipped with a powerful processor that enhances multitasking efficiency. Its architecture supports a range of demanding applications, making it suitable for both professional and everyday use. Users can expect a seamless experience whether working on complex spreadsheets or engaging in casual gaming.

In terms of memory, the MSB900 boasts expandable RAM options, allowing users to enhance their system's capabilities as needed. The availability of multiple RAM slots provides flexibility for upgrades, ensuring the system can keep pace with future software requirements. Storage solutions in the MSB900 include high-speed hard drives, which contribute to fast boot times and robust data retrieval.

The MSB900L variant steps up the performance with additional features tailored for power users. It incorporates advanced graphics capabilities, offering superior visual experiences for gaming and multimedia applications. The dedicated graphics card provides a substantial boost in rendering performance, making it a worthy choice for graphic designers and video editors.

One of the standout characteristics of the MSB900 and MSB900L is their commitment to connectivity. Both models come equipped with a wide array of ports, ensuring compatibility with various peripherals. This includes USB ports for modern devices, Ethernet ports for wired networking, and legacy connections for older technology, catering to a diverse user base.

Energy efficiency is another key feature of these models. Designed with power-saving technologies, the Compaq MSB900 and MSB900L aim to reduce energy consumption without compromising performance. This focus not only helps to lower operating costs but also aligns with growing consumer preferences for environmentally conscious products.

In summary, the Compaq MSB900 and MSB900L offer a compelling combination of performance, expandability, and connectivity. Their innovative features and user-friendly design make them suitable for a wide range of users, from casual consumers to professional power users. As a testament to Compaq’s legacy, these models continue to be regarded as reliable choices in the personal computing landscape.