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公开(公告)号:FI914608A
公开(公告)日:1992-04-02
申请号:FI914608
申请日:1991-10-01
Applicant: IBM
Inventor: ALDEREGUIA ALFREDO , BLAND PATRICK MAURICE , CROMER DARYL CARVIS , STUTES ROGER MAX
IPC: G11C11/401 , G06F12/00 , G06F12/02 , G06F12/06 , G06F13/42 , G11C11/407 , G11C
Abstract: A data processing system includes a memory controller for accessing a dynamic memory having a plurality of SIMMs that differ in size and speed of operation. The memory controller is operable in response to a request to access a given SIMM to read a SIMM definition register and dynamically produce memory access signals in accordance with the timing requirements of the particular SIMM being accessed. Such signals are set each time a SIMM is accessed. The signals provide different clock periods of RAS precharge time, RAS to CAS time, and CAS pulse width.
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公开(公告)号:NO913799D0
公开(公告)日:1991-09-27
申请号:NO913799
申请日:1991-09-27
Applicant: IBM
Inventor: ALDEREGUIA ALFREDO , BLAND PATRICK MAURICE , CROMER DARYL CARVIS , STUTES ROGER MAX
IPC: G11C11/401 , G06F12/00 , G06F12/02 , G06F12/06 , G06F13/42 , G11C11/407 , G06F
Abstract: A data processing system includes a memory controller for accessing a dynamic memory having a plurality of SIMMs that differ in size and speed of operation. The memory controller is operable in response to a request to access a given SIMM to read a SIMM definition register and dynamically produce memory access signals in accordance with the timing requirements of the particular SIMM being accessed. Such signals are set each time a SIMM is accessed. The signals provide different clock periods of RAS precharge time, RAS to CAS time, and CAS pulse width.
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公开(公告)号:DE69132539D1
公开(公告)日:2001-03-29
申请号:DE69132539
申请日:1991-08-30
Applicant: IBM
Inventor: ALDEREGUIA ALFREDO , CROMER DARYL CARVIS , STUTES ROGER MAX
Abstract: A data processing system includes a processor for accessing a memory in either a direct mode or an indirect mode. The memory includes at least two memory banks and two decoders for decoding bank addresses. The decoders produce bank select signals. In direct mode, the decoder outputs are generated according to which bank is addressed. In interleave mode, the two decoder outputs are ANDed to select both banks covering the address range of the selected banks.
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公开(公告)号:IN179339B
公开(公告)日:1997-09-27
申请号:IN110MA1991
申请日:1991-02-11
Applicant: IBM
Inventor: ALDEREGUIA ALFREDO , BLAND PATRICK MAURICE , CROMER DARYL CARVIS , STUTES ROGER MAX
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公开(公告)号:DE69124905D1
公开(公告)日:1997-04-10
申请号:DE69124905
申请日:1991-08-30
Applicant: IBM
Inventor: ALDEREGUIA ALFREDO , CROMER DARYL CARVIS , BLAND PATRICK MAURICE , STUTES ROGER MAX
IPC: G11C11/401 , G06F12/00 , G06F12/02 , G06F12/06 , G06F13/42 , G11C11/407
Abstract: A data processing system includes a memory controller for accessing a dynamic memory having a plurality of SIMMs that differ in size and speed of operation. The memory controller is operable in response to a request to access a given SIMM to read a SIMM definition register and dynamically produce memory access signals in accordance with the timing requirements of the particular SIMM being accessed. Such signals are set each time a SIMM is accessed. The signals provide different clock periods of RAS precharge time, RAS to CAS time, and CAS pulse width.
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公开(公告)号:FI914608A0
公开(公告)日:1991-10-01
申请号:FI914608
申请日:1991-10-01
Applicant: IBM
Inventor: ALDEREGUIA ALFREDO , BLAND PATRICK MAURICE , CROMER DARYL CARVIS , STUTES ROGER MAX
IPC: G11C11/401 , G06F12/00 , G06F12/02 , G06F12/06 , G06F13/42 , G11C11/407 , G11C
Abstract: A data processing system includes a memory controller for accessing a dynamic memory having a plurality of SIMMs that differ in size and speed of operation. The memory controller is operable in response to a request to access a given SIMM to read a SIMM definition register and dynamically produce memory access signals in accordance with the timing requirements of the particular SIMM being accessed. Such signals are set each time a SIMM is accessed. The signals provide different clock periods of RAS precharge time, RAS to CAS time, and CAS pulse width.
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公开(公告)号:SG44436A1
公开(公告)日:1997-12-19
申请号:SG1996000370
申请日:1991-08-30
Applicant: IBM
Inventor: ALDEREGULA ALFREDO , BLAND PATRICK MAURICE , CROMER DARYL CARVIS , STUTES ROGER MAX
IPC: G11C11/401 , G06F12/00 , G06F12/02 , G06F12/06 , G06F13/42 , G11C11/407
Abstract: A data processing system includes a memory controller for accessing a dynamic memory having a plurality of SIMMs that differ in size and speed of operation. The memory controller is operable in response to a request to access a given SIMM to read a SIMM definition register and dynamically produce memory access signals in accordance with the timing requirements of the particular SIMM being accessed. Such signals are set each time a SIMM is accessed. The signals provide different clock periods of RAS precharge time, RAS to CAS time, and CAS pulse width.
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公开(公告)号:AU652570B2
公开(公告)日:1994-09-01
申请号:AU8345291
申请日:1991-08-30
Applicant: IBM
Inventor: ALDEREGUIA ALFREDO , BLAND PATRICK MAURICE , CROMER DARYL CARVIS , STUTES ROGER MAX
IPC: G11C11/401 , G06F12/00 , G06F12/02 , G06F12/06 , G06F13/42 , G11C11/407 , G06F13/16
Abstract: A data processing system includes a memory controller for accessing a dynamic memory having a plurality of SIMMs that differ in size and speed of operation. The memory controller is operable in response to a request to access a given SIMM to read a SIMM definition register and dynamically produce memory access signals in accordance with the timing requirements of the particular SIMM being accessed. Such signals are set each time a SIMM is accessed. The signals provide different clock periods of RAS precharge time, RAS to CAS time, and CAS pulse width.
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公开(公告)号:AU8345391A
公开(公告)日:1992-04-09
申请号:AU8345391
申请日:1991-08-30
Applicant: IBM
Inventor: ALDEREGUIA ALFREDO , CROMER DARYL CARVIS , STUTES ROGER MAX
Abstract: A data processing system includes a processor for accessing a memory in either a direct mode or an indirect mode. The memory includes at least two memory banks and two decoders for decoding bank addresses. The decoders produce bank select signals. In direct mode, the decoder outputs are generated according to which bank is addressed. In interleave mode, the two decoder outputs are ANDed to select both banks covering the address range of the selected banks.
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公开(公告)号:NO913799L
公开(公告)日:1992-04-02
申请号:NO913799
申请日:1991-09-27
Applicant: IBM
Inventor: ALDEREGUIA ALFREDO , BLAND PATRICK MAURICE , CROMER DARYL CARVIS , STUTES ROGER MAX
IPC: G11C11/401 , G06F12/00 , G06F12/02 , G06F12/06 , G06F13/42 , G11C11/407 , G06F13/16
Abstract: A data processing system includes a memory controller for accessing a dynamic memory having a plurality of SIMMs that differ in size and speed of operation. The memory controller is operable in response to a request to access a given SIMM to read a SIMM definition register and dynamically produce memory access signals in accordance with the timing requirements of the particular SIMM being accessed. Such signals are set each time a SIMM is accessed. The signals provide different clock periods of RAS precharge time, RAS to CAS time, and CAS pulse width.
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