JPH0689131A - Personal computer - Google Patents

Abstract

(57) [Summary] [Object] An object of the present invention is to provide a means for easily expanding the function by adopting the standard external dimensions and the standard interface in advance with respect to what is expected to be expanded in the future. And According to the present invention, there is provided a personal computer including a CPU, a main memory, a secondary storage device, a console input device, and a display device, and a CPU, a main memory, a secondary storage device, a console input device, and a display device. One or all of them are housed in a single case and are externally mounted via a connector. Furthermore, the present invention is characterized in that the parts housed in the respective ones of the cases are configured in accordance with the PCMCIA standard and are externally mounted via a connector.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method for facilitating replacement of each device constituting a personal computer.

[0002]

2. Description of the Related Art Conventionally, personal computers have been
As seen in BM's personal computer PC / AT, CPU, main memory, console input control device and expansion slot are placed on one main board, and display control device and secondary storage control are placed on the slot. The device was placed. Also, the secondary storage device was screwed into a dedicated drive bay.

Therefore, when a user wants to expand the function, it is necessary to open the case of the case of the main body, remove the screw of the corresponding portion and replace it. In addition, in recent years, in portable personal computers, ingenuity that facilitates the exchange of functions is found in main memory, coprocessor, hard disk drive, etc., but it is a feature limited to one model, It was not enough because it was not compatible with other models.

That is, even if the user purchases an optional device for expansion required from the distributor of the main body, the use is limited to only the main body, and it cannot be used in the next model, or is required from the distributor. There were many restrictions such as the fact that it could not be expanded unless various optional devices were released.

[0005]

SUMMARY OF THE INVENTION Therefore, the present invention provides a means for easily expanding the function of a product whose function is expected to be expanded in the future by adopting a standard external dimension and a standard interface in advance. To aim.

[0006]

The present invention comprises a CPU, a C
Main memory connected to PU address space and 2
In a personal computer including a secondary storage device, a console input device, and a display device, a CPU,
Main memory, secondary storage device, console input device,
It is characterized in that any or all of the display devices are respectively housed in one case and are externally mounted via a connector.

Further, according to the present invention, in a personal computer including a CPU, a main memory connected to the CPU address space, a secondary storage device, a console input device, and a display device, the CPU, main memory, Any or all of the secondary storage device and the display device are accommodated in one case, and the CPU,
Any or all of the main memory is a PC
It is characterized in that it is configured according to the MCIA standard and is externally mounted via a connector.

[0008]

As described above, if each function is housed in an independent case and is mounted from the outside through the connector, the function can be easily expanded as needed. Furthermore, each function is PCMCIA
PCMCIA prepared by a third party if it complies with the standard
It is also possible to install a card, and another PCMC
There is also an effect that it can be shared with a model having an IA standard slot.

[0009]

1 is a diagram showing the concept of an embodiment of claim 1 of the present invention. A case 1 stores a board 2 on which a CPU and a main memory are mounted, and a connector 3 for connecting to the main body (this is generically called a CPU component, and so on). 6 is a display device, 4 is a floppy disk drive (hereinafter abbreviated as FDD) 7 which is a secondary storage device, a keyboard 8 which is a console input device, the FDD control device, the keyboard control device and the display control device. This is a case for accommodating a board 5 on which other components such as the above are mounted and a connector 9 for connecting the CPU component (hereinafter referred to as a main body).

FIG. 2 shows an Intel CPU 80 as a CPU.
6 shows a configuration of a CPU component when using 386SL. 2 is a connector 3 for connecting to the main body, and CP
U (80386SL) 10, numerical operation coprocessor (80387SX) 11, cache memory 12
, A crystal oscillator 13, 14 and a main memory 15. The CPU 10 has a bus 12 for controlling the cache memory, a bus 15 for controlling the main memory, a bus 11 for controlling the coprocessor, and a bus for communication with the main body. The crystal oscillator 13 makes the timing of the CPU 10 and the main memory 15, and the crystal oscillator 14 makes the timing of communication between the CPU 10 and the main body.

FIG. 8 is a block diagram showing the connection of the respective parts shown in FIG. 54 is a data bus for the cache memory 12 and the coprocessor 11, 55 is an address bus for the cache memory 12, 56 is a control signal for the cache memory 12, and 57 is a coprocessor 11.
Control signal, 58 is the data bus of the main memory 15 composed of DRAM, and 59 is the main memory 1.
5 address bus, 60 is control signal of main memory 15, 61 is ISA (INDUSTRIAL STANDARD ARCH
ITECTURE (industry standard) bus non-latching address bus (hereinafter referred to as LA bus), 62 is ISA bus system address bus (hereinafter referred to as SA bus), 63 is ISA system address bus (hereinafter referred to as SD bus) , 6
Reference numeral 4 is a control status signal of the ISA bus.

Tables 1 and 2 show the signal arrangement of the connector 3 for connection with the main body shown in FIGS.

[0013]

[Table 1]

[0014]

[Table 2]

If the CPU component is constructed in accordance with the signal arrangements shown in Tables 1 and 2, the CP which is compatible even if the CPU is changed.
It is possible to create a U component. For example, if you use a new CPU based on Intel's SL architecture, such as H3C or H4C, you will basically get 80386S.
Since the same CPU component as the L can be created, the user can upgrade the CPU component when a new CPU is released. Moreover, since the CPU component can be mounted from the outside of the main body, the number of replacement steps is minimized.

FIG. 3 is a diagram showing an embodiment of claim 2 of the present invention. 23 stores a board 24 on which a CPU and a main memory are mounted, and a connector 25 for connecting to the main body,
A CPU component that conforms to the external dimensions of the PCMCIA standard.
28 is a display device and 26 is an FDD 2 which is a secondary storage device.
9, a keyboard 30 as a console input device, a board 27 on which the FDD control device, the keyboard control device, a display control device and other components are mounted, and a connector 31 for connecting the CPU component. It is the main body.

FIG. 4 shows the external dimensions of the CPU component,
It is the figure which showed the internal structure. As shown in the figure, the thickness including the CPU component case is only 3.3mm.
CPU 16, crystal oscillators 20 and 21, system memory 17, and cache memory 19 are all 1 m thick
It is necessary to mount in a special package of m or less. For example, COB (CHIP ON BOARD), TAB (TAP AUTOMATE
D BONDING) and other technologies can be used to implement mounting within 1 mm.

FIG. 9 is a block diagram showing the connection of the respective parts shown in FIG. 54 is the data bus of the cache memory 12, 55 is the address bus of the cache memory 12, 56 is the control signal of the cache memory 12, 58 is the data bus of the main memory 15, 59 is the address bus of the main memory 15, and 60 is the main memory 15. Control signal, 61 is an ISA bus LA bus, 62 is an ISA bus SA bus, 63 is an ISA bus SD bus, and 64 is an ISA bus control status signal.

Regarding the signal arrangement of the connector 18 for connection with the main body of this embodiment, those shown in Tables 1 and 2 are applied as they are.

FIG. 5 is a diagram showing the concept of the third embodiment of the present invention. 32 is a connector 42 for connecting the CPU and the main memory, and a connector 34 for connecting the main body.
CPU component that stores. 33 is the main memory and CP
A memory component that stores a connector 35 for connection with a U component. 36 is a display device. Reference numeral 41 denotes a case in which the FDD 38, the keyboard 39, the board 40 on which the FDD control device, the keyboard control device, the display control device, and other components are mounted, and the connector 37 for connecting the CPU component. There (hereinafter referred to as the main body).

Table 3 is a signal arrangement diagram of the connector 42.

[0022]

[Table 3]

The memory component 33 is a CPU component 3
2 is mounted from the outside, and the CPU component is mounted to the main body 41 from the outside.

FIG. 6 shows an Intel CPU 80
6 shows a configuration of a CPU component when using 386SL. 43 is a connector 44 for connecting to the main body,
CPU (80386SL) 45, numerical operation coprocessor (80387SX) 46, cache memory 4
7, a crystal oscillator 48, 49, and a memory component connection connector 50 having a main memory mounted thereon. The CPU of 45 has a bus for controlling the cache memory of 47, a bus for controlling the memory component,
It has a bus for controlling 46 coprocessors and a bus for communication with the main body. The crystal oscillator 48 forms the timing of the CPU 45 and the main memory, and the crystal oscillator 49 forms the timing of the communication between the CPU 45 and the main body.

FIG. 7 shows the internal structure of the memory component, 53 is a connector 51 for connection with the CPU component 43, and the DRAM 5 which constitutes the main memory.
It is a board on which 2 is placed.

FIG. 10 is a block diagram showing the connection of the respective parts shown in FIG. 54 is a cache memory 47
Data bus, 55 is an address bus of the cache memory 47, 56 is a control signal of the cache memory 47, 58 is a data bus of the memory component, 59 is an address bus of the memory component, 60 is a control signal of the memory component, and 61 is an ISA bus. LA bus, 62 is an ISA bus SA bus, 63 is an ISA bus SD bus,
Reference numeral 64 is a control status signal of the ISA bus.

FIG. 11 is a block diagram showing the connection of the respective parts shown in FIG. Reference numeral 52 is a DRAM constituting a main memory, 51 is a connector for connecting to a CPU component, 58 is a DRAM data bus, 59 is a DRAM address bus, and 60 is a DRAM control signal.

If the CPU component is constructed in accordance with the signal arrangements shown in Tables 1 and 2, the CP which is compatible even if the CPU is changed.
It is possible to create a U component. For example, if you use a new CPU based on Intel's SL architecture, such as H3C or H4C, you will basically get 80386S.
Since the same CPU component as the L can be created, the user can upgrade the CPU component when a new CPU is released. Moreover, since the CPU component can be mounted from the outside of the main body, the number of replacement steps is minimized.

FIG. 12 is a diagram showing the concept of a fourth embodiment of the present invention. 65 is a connector 75 for connecting the CPU and the main memory, and a connector 6 for connecting to the main body.
A CPU component that stores 7. 66 is a memory component that stores a connector 68 for connecting the main memory and the CPU component according to the PCMCIA standard 2.0. 69 is a display device. 74 is an FDD 71, a keyboard 72,
A board 73 on which the FDD control device, the keyboard control device, a display control device, and other components are mounted;
This is a case for accommodating the connector 70 for connecting the CPU component (hereinafter referred to as a main body).

The memory component 66 is a CPU component 6
5, the CPU component is mounted to the main body 74 from the outside. Table 4 shows the CPU component 65 of FIG.
9 is a signal layout diagram of the connector 68 for connection of the memory component 66. FIG.

[0031]

[Table 4]

FIG. 13 shows an embodiment of claim 5. A display control device 100 housed in a case is attached to a personal computer including a CPU 76, a main memory 77, a secondary storage device (FDD) 78, a keyboard 79, and a display device 80 from the outside of the main body. Is shown.

FIG. 14 shows an internal structure of the display control device 78, and 81 is a substrate (PC) on which electronic parts are mounted.
B) and 82 are connectors for connection to the main body, and 83 is a switch for determining whether or not the display control device 78 is connected to the main body, which controls G (gate) of the buffer 84. 85 is a graphic controller for liquid crystal, 86
Is a video memory, 87 is a crystal oscillator, 88 is a PLL (PHASE LOCKED LOOP) that creates a frequency that matches the display mode.
Is.

FIG. 15 is a block diagram showing a state of electrical connection of FIG. Reference numeral 89 is a system address bus, 90 is a system data bus, 91 is a system control signal, 92 is a signal for controlling a gate of a buffer of 84 in a switch state of 83, 93 is a buffered address bus, and 94 is buffered data. Bus, 95 is a buffered system control signal, 96 is a liquid crystal display signal, 97 is a video memory address bus,
Reference numeral 98 is a video memory data bus, and 99 is a video memory control signal.

As described above, by combining the display control circuit parts into one and putting them in a case so that they can be easily exchanged from the outside, the display circuit can be easily exchanged. For example, at first the standard VGA (VIDEO GRAPHICS ARRAY, IB
It is also possible to prepare an LCD controller compatible with M REGISTERED TRADE MARK) and later replace it with a high-speed VGA controller.

[0036]

As described above, by arranging each function unit in the case so that it can be exchanged from the outside of the main body, the function can be easily changed when it is desired to expand or change the function. There is an effect.

[Brief description of drawings]

FIG. 1 is a diagram showing an embodiment of claim 1 of the present invention.

FIG. 2 is a diagram showing an internal configuration of a CPU component according to claim 1 of the present invention.

FIG. 3 is a diagram showing an embodiment of claim 2 of the present invention.

FIG. 4 is a diagram showing an internal configuration and external dimensions of a CPU component according to claim 2 of the present invention.

FIG. 5 is a diagram showing an embodiment of claim 3 of the present invention.

6A and 6B are a top view and a side view of the internal configuration of the CPU component according to claim 3 of the present invention.

FIG. 7 is a diagram showing the internal configuration of the DRAM component according to claim 3 of the present invention from the top and the side.

FIG. 8 is a block diagram showing internal electrical connection of the CPU component of claim 1 of the present invention.

FIG. 9 is a block diagram showing electrical connection inside a CPU component of claim 2 of the present invention.

FIG. 10 is a block diagram showing an internal electrical connection of the CPU component of claim 3 of the present invention.

FIG. 11 is a block diagram showing an internal electrical connection of the DRAM component according to claim 3 of the present invention.

FIG. 12 is a diagram showing an embodiment of claim 4 of the present invention.

FIG. 13 is a diagram showing an embodiment of claim 5 of the present invention.

FIG. 14 is a diagram showing an internal configuration of a display control device according to claim 5 of the present invention.

FIG. 15 is a block diagram showing an internal electrical connection of the display control device according to claim 5 of the present invention.

[Explanation of symbols]

 1: CPU component 2: CPU board 3: Connector 4: Case 5: Board 6: Display device 7: FDD 8: Keyboard 9: Connector 10: CPU 80386SL 11: NPX 80387SX 12: Cache memory 13: Crystal oscillator 14: Crystal oscillator 15: Main memory 16: CPU 17: System memory 18: Connector 19: Cache memory 20: Crystal oscillator 21: Crystal oscillator 22: CPU component 23: CPU component 24: CPU board 25: Connector 26: Main body 27: Board 28: Display Device 29: FDD 30: Keyboard 31: Connector 32: CPU component 33: Memory component 34: Connector 35: Connector 36: Display device 37: Connector 38: FDD 39: Keyboard 40: Baud 41: Main body 42: Connector 43: CPU board 44: Connector 45: CPU 80386SL 46: NPX 80387SX 47: Cache memory 48: Crystal oscillator 49: Crystal oscillator 50: Connector 51: Connector 52: DRAM 53: Memory board 54: Cache data bus 55: cache address bus 56: cache control signal 58: DRAM data bus 59: DRAM address bus 60: DRAM control signal 61: LA bus 62: SA bus 63: SD bus 64: control status signal 65: CPU component 66: memory Component 67: Connector 68: Connector 69: Display device 70: Connector 71: FDD 72: Keyboard 73: Board 74: Main body 75: Connector 76: CPU 77: Main memory 78: FDD 79: Keyboard 80: Display device 81: Substrate 82: Connector 83: Switch 84: Buffer 85: Graphic controller 86: Video memory 87: Crystal oscillator 88: PLL 89: System address bus 90 : System data bus 91: System control signal 92: Gate control signal 93: Buffered address bus 94: Buffered data bus 95: Buffered system control signal 96: Display signal 97: Video memory address bus 98: Data bus for video memory 99: Video memory control signal 100: Display control device

Claims (5)

[Claims] 1. Central processing unit (hereinafter abbreviated as CPU)
And a main memory connected to the address space of the CPU (dynamic RAM; DRAM, static
RAM; SRAM, pseudo SRAM, semiconductor memory such as
Same as below), secondary storage device (floppy disk drive, hard disk drive, magneto-optical disk drive, semiconductor disk drive, etc.) and console input device (keyboard, light pen, touch panel, digitizer, pen tablet, etc.) And a display device (CRT display device, flat panel display device, etc.)
The same shall apply hereinafter), the CPU and the main memory are housed in one case, and the main body (indicates a set of a secondary storage device, a console input device, and a display device) via a connector. A personal computer characterized by being attached to the outside of the computer. 2. In a personal computer comprising a CPU, a main memory connected to the address space of the CPU, a secondary storage device, a console input device, and a display device, the CPU and the main memory are PCM.
CIA (PERSONAL CONPUTER MEMORY CARD INTERNATIONA
L ASSOCIATION) Release 2.0 specification, which is housed in a case that conforms to the external dimensions and is externally attached to the main body (which refers to a set of secondary storage device, console input device, and display device) via a connector. Item 1. A personal computer according to item 1. 3. A personal computer comprising a CPU, a main memory connected to the address space of the CPU, a secondary storage device, a console input device, and a display device, wherein the CPU and the main memory are respectively It is housed in one case, the main memory is externally attached to the CPU through a connector, and the C
A personal computer, wherein a PU is externally attached to a main body (which refers to a set of a secondary storage device, a console input device, and a display device) via a connector. 4. A personal computer comprising a CPU, a main memory connected to the address space of the CPU, a secondary storage device, a console input device, and a display device, wherein the main memory is PCMCIA standard release 2.0. A memory card conforming to the specifications, the CPU is housed in one case having a connector for connecting the memory card and a connector for connecting other components, and the memory card has a connector for the CPU. The personal computer according to claim 3, wherein the CPU is externally attached to the main body (which refers to a set of a secondary storage device, a console input device, and a display device) via another connector. . 5. A personal computer comprising a CPU, a main memory connected to an address space of the CPU, a secondary storage device, a console input device, and a display device, and a display control device in one case. It is stored and the main body (CPU, main memory,
A personal computer which is externally attached to a secondary storage device and a console input device.