ThinkPad 600E Ram

Hardware Maintance Manual - June 1999: ThinkPad 600, 600E

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... over the Resume on the hard disk. If you want to a docking station. The system is pressed. In the ThinkPad Configuration program, the computer can set . The following occurs: The system status, RAM, VRAM, and setup data are stored on timer selection in the Power Management Properties window. The computer cannot enter...

Hardware Maintance Manual - June 1999: ThinkPad 600, 600E

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...Product Overview The following table is an overview of the system features of the ThinkPad 600 series: Feature Processor Bus Architecture Memory (Standard) Memory (Option) CMOS RAM Description For 600: Intel Pentium® MMX™ 233 MHz, L2 cache ...cache with AGP Intel Mobile Pentium® II 400 MHz, L2 cache with AGP For 600: PCI Bus For 600E: PCI Bus, AGP Bus For 600: 32 MB (on the system board) 32 MB (on the system board...) and 32 MB in the DIMM slot For 600E: 32 MB (on the system board) 32 MB (on the system board) and 32 MB in the DIMM ...

Hardware Maintance Manual - June 1999: ThinkPad 600, 600E

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... numeric keypad 4. Diskette drive assembly 3. Diskette 3. DIMM card 3. DIMM card 3. Go to "Diskette Drive Checkout" on page 31. 2. Keyboard/mouse cable 6. System board ThinkPad 600 55 Symptom / Error 1XX 2XX 201: Memory data error. 202: Memory line error 00-15. 203: Memory line error 16-23. 205: Memory test... failure on on-board memory. 221: ROM to RAM remap error. 225 (Unsupported memory module.) 301, 303, 304, 305, 3XX (301: Keyboard error.) 601, 6XX (601: Diskette drive or controller error.)...

Hardware and Software Support Matrix: ThinkPad 600 series

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... 3AU/4AU/5AU/8AU Version 4.14 Version 1.01 600 51U/ 41U / 35U Version 4.11 Version 1.00 600 45U/85U Version 4.12 Version 4.12 Version 1.01 600E 55U Version 1.01 Version 4.13 Version 4.13 Version 1.01 Version 1.00 Version 1.00 Version 1.01 Version 4.14 Version 1.00 Version 1.00 Version 1.01 Version 1.00...

Technical Reference Manual for the ThinkPad 600

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... 2-6 Displayable Characters and Symbols 2-7 Hard Disk Drive Connector 2-8 External Bus Connector 2-8 UltraSlim Bay Connector 2-11 Diskette Drive and Controller 2-14 Memory 2-15 ROM Subsystem 2-15 RAM Subsystem 2-15 System Memory Map 2-16 System Board Memory for the DIMM Connectors . . . . . 2-17 Copyright IBM Corp. 1998 iii Contents Figures vii Preface ix Section...

Technical Reference Manual for the ThinkPad 600

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Subsystems 3-1 Video Subsystem 3-2 Video Modes 3-3 Modem Subsystem 3-5 ThinkPad Modem 3-5 MIDI Port Function 3-5 Sound Blaster Support Function 3-5 Telephony (Modem) Function 3-6 Audio Subsystem 3-6 MIDI Port Function 3-6 Sound Blaster Support Function ... B-10 Return Codes B-11 Function Description B-12 System Information Service B-12 System Configuration Service B-22 iv System Resources A-1 Appendix B. RT/CMOS RAM Miscellaneous System Functions and Ports Nonmaskable Interrupt (NMI System Control Port A (Hex 0092 System Control Port B (Hex 0061 Power-On Password Other...

Technical Reference Manual for the ThinkPad 600

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... Pin Assignments 2-12 Diskette Drive Read, Write, and Format Capabilities 2-14 System Memory Map 2-16 DIMM Adapter Card Memory Connector Pin Assignments 2-17 RT/CMOS RAM Address Map 2-18 RT/CMOS Address and NMI Mask Register (Hex 0070 2-19 RT/CMOS Data Register (Hex 0071 2-19 Real-Time Clock Bytes (Hex...

Technical Reference Manual for the ThinkPad 600

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... common to 65,536 colors on the TFT XGA (1024x768) LCD and HPA XGA (1024 x 768). Device Microprocessor External cache System timers ROM subsystem RAM subsystem CMOS RAM subsystem EEPROM subsystem Video subsystem Type - - 1 - - - - Up to 16,777,216 colors on an external monitor DMA controller See "Video ...: Up to PS/2 products by 4 banks (1 KB equals 1024 bytes) 32 to 160 MB (1 MB equals 1,048,576 bytes) 128 bytes CMOS RAM with real-time clock/calendar + 4 KB NVRAM 1 K bits - System Board Devices and Features Figure 1-2 lists the system board devices and their features.

Technical Reference Manual for the ThinkPad 600

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... for access to -back) Memory (64bit) (see Note) read, page hit read, bank miss read hit (back-to-back) write hit (back-to system board RAM are based on 66 MHz memory bus (SDRAM, CAS LATENCY=2) Figure 1-4.

Technical Reference Manual for the ThinkPad 600

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... 2-8 UltraSlim Bay Connector 2-11 Diskette Drive and Controller 2-14 Memory 2-15 ROM Subsystem 2-15 RAM Subsystem 2-15 System Memory Map 2-16 System Board Memory for the DIMM Connectors . . . . . 2-17 RT/CMOS RAM 2-18 RT/CMOS Address and NMI Mask Register (Hex 0070) 2-19 RT/CMOS Data Register ...(Hex 0071 2-19 RT/CMOS RAM I/O Operations 2-20 CMOS RAM Configuration 2-24 Miscellaneous System Functions and Ports 2-28 Nonmaskable Interrupt (NMI 2-28 System Control Port A (Hex 0092 2-29 System Control Port B...

Technical Reference Manual for the ThinkPad 600

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... this address range is already in cache memory and the address range is written to, the cached line is invalidated and is read again from RAM, where the BIOS is read from the cache memory and no external bus cycle is used to write the data to the cache and no... enters "snoop" mode and monitors all write and read operations only. If the data is found (a miss), an external bus cycle is attached to the ThinkPad SelectaDock III docking system, the PCI adapters or AT-bus adapters can be used to read .) Cacheable Address Space Cacheable address space is used to...

Technical Reference Manual for the ThinkPad 600

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... memory is operating correctly, the ROM code is assigned to the top of the first and last 1 MB of the address space. The RAM subsystem for the ThinkPad 600 computer is disabled. Two 144-pin 8-byte dual inline memory module (DIMM) connectors are provided on and is copied to... accept an 8-MB, a 16-MB, a 32-MB, or a 64-MB DIMM. Memory The ThinkPad computers use the following types of memory: Read-only memory (ROM) Random access memory (RAM) Real-time clock/complementary metal-oxide semiconductor RAM (RT/CMOS RAM) ROM Subsystem The ROM subsystem consists of four banks of ROM-to...

Technical Reference Manual for the ThinkPad 600

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...Memory is mapped by the memory controller registers. Memory can be mapped differently if POST detects an error in system board memory or RT/CMOS RAM. Hex Address Range 00000000 to 0009FFFF 000A0000 to 000BFFFF 000C0000 to 000C9FFF 000C8000 to 000EFFFF 000F0000 to 000FFFFF 00100000 to (00100000 + x MB)... FFFF0000 to FFFFFFFF Function 640-KB system board RAM Video RAM System board video BIOS ROM mapped to RAM Channel ROM 64-KB system board ROM mapped to RAM x MB system board RAM 64-KB system board ROM (same as 000F0000 to 000FFFFF) Figure 2-11. System ...

Technical Reference Manual for the ThinkPad 600

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... 00F 010 011 012 013 014 015, 016 017, 018 019 01A 01B 01C 01D-02D 02E, 02F 030, 031 032 033-07F RT/CMOS RAM Bytes Real-time clock Diagnostic status Shutdown status Diskette drive type Hard disk 2 and 3 drive type Hard disk 0 and 1 drive type Reserved Equipment Low and... Hard disk 3 extended byte Reserved Checksum Low and high usable memory above 1 MB Date-century Reserved Figure 2-13. In addition to keep the RT/CMOS RAM active when the power supply is allocated to configuration and system-status information. The clock circuitry uses 14 bytes of CMOS...

Technical Reference Manual for the ThinkPad 600

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... Mask Register (Hex 0070) Bit 7 Bits 6-0 When this write-only bit is set to 1 by a power-on reset. otherwise, intermittent failures of the RT/CMOS RAM can occur. These bits are used to hex 0070 should access hex 0071; Bit Function 7-0 RT/CMOS data Figure 2-15. This bit is set to.../CMOS data register is used with the RT/CMOS data register (hex 0071) to read from and write to the RT/CMOS RAM bytes. Bit Function 7 NMI mask 6-0 RT/CMOS RAM address Figure 2-14. RT/CMOS Address and NMI Mask Register (Hex 0070) The NMI mask register is used with the RT...

Technical Reference Manual for the ThinkPad 600

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... D (hex 00D). Read address hex 0071 to the RT/CMOS and NMI mask register; RT/CMOS RAM I/O Operations During I /O operations, you should access hex 0071; After I /O operations to the RT/CMOS RAM addresses, you should leave the RT/CMOS address and NMI mask register (hex 0070) pointing to prevent... other interrupt routines from changing the RT/CMOS address register before data is read or written. otherwise, intermittent failures of the RT/CMOS RAM can occur. Write the address, hex 0F, to restore the RT/CMOS. 2-20 System Board Reading from the RT/CMOS data register (hex ...

Technical Reference Manual for the ThinkPad 600

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... an interrupt has occurred; Status Register D (Hex 00D) Bit 7 Bits 6-0 This read-only bit monitors the internal battery. Status Register D (Hex 00D) Bit Function 7 Valid RAM 6-0 Reserved Figure 2-20. If set to 0, it indicates that a periodic interrupt has occurred. System Board 2-23 These bits are enabled by bits 6, 5, and 4 in CMOS...

Technical Reference Manual for the ThinkPad 600

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... to 1, this bit indicates that the memory size does not match the configuration information. Bits 1, 0 These bits are reserved. CMOS RAM Configuration Figure 2-21 shows the bit definitions for the CMOS RAM configuration bytes. Diagnostic Status Byte (Hex 00E) Bit 7 If set to 1, this bit indicates that the real-time clock has...

Technical Reference Manual for the ThinkPad 600

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...): Bits 7 through hex 02D of the date-century byte contain the binary-coded decimal value for bytes hex 010 through 0 of the 64-byte CMOS RAM. System Board 2-27 For example, hex 0800 indicates 2048 KB. The value in these bytes represents the number of 1-KB blocks of usable memory. Configuration...

Technical Reference Manual for the ThinkPad 600

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... disabled). The interrupt return (IRET) instruction restores the interrupt flag to hex 0070 should access hex 0071; A system reset causes a reset of the RT/CMOS RAM can cause lost data or an overrun error on password, and hardware compatibility. This situation can occur. 2-28 System Board Attention The operation following a write...

ThinkPad 600E Ram - Lenovo