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DataMuseum.dkPresents historical artifacts from the history of: CP/M |
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Length: 1792 (0x700)
Types: RcTekst, TextFile
Names: »99109838.WP«
└─⟦dedaa6eab⟧ Bits:30005866/disk1.imd Dokumenter i RcTekst format (RCSL 99-1-*)
└─⟦this⟧ »99109838.WP«
╱04002d4e0a0006000000000301413140000000000000000000000000000000000000000000000000050f19232d37414b555f69737d8791ff04╱
┆06┆i↲
↲
┆b0┆┆a1┆TABLE OF CONTENTS┆05┆PAGE↲
↲
1. GENEREL ................................................ 1↲
════════════════════════════════════════════════════════════════════════
↓
┆06┆ii↲
════════════════════════════════════════════════════════════════════════
↓
┆14┆┆b3┆┆06┆┆0b┆↲
↲
┆b0┆┆a1┆1. GENEREL↲
↲
This manual contains the drawings for MEM754, which is used as a ↓
memory expansion board in the RC750 system. The board contains ↓
512k bytes of DRAM. ↲
↲
The board can be plugged into the connectors on the main memory ↓
board, MEM752.↲
↲
════════════════════════════════════════════════════════════════════════
↓
┆a1┆┆b0┆Signal name┆06┆Description┆05┆↲
↲
MD0-15 Memory data bus signals.↲
↲
RC0-8 ┆84┆Time multiplexed row and colomn ↓
┆19┆┆9b┆┄┄address signals.↲
↲
-,RAS2, - 5 ┆84┆Row address strobe in the address ↓
┆19┆┆9b┆┄┄space: ↲
-,RAS2: 4000H - 5FFFFH↲
-,RAS3: 60000H - 7FFFFH↲
-,RAS4: 80000H - 9FFFFH↲
-,RAS5: A0000H - BFFFFH↲
↲
-,WELO ┆84┆Write enable, low byte.↲
↲
-,WEHI Write enable, high byte.↲
↲
-,CAS Colomn address strobe.↲
↲
MDPIN0, 1 Memory data parity signals.↲
↲
MEMIDENT0, 1 Memory size identification signals:↲
↲
Memory MEMIDENT↲
┆a1┆Size 0 1↲
256k 1 1↲
┆e1┆ ┆a1┆┆e1┆512k 0 1↲
┆a1┆760k 1 0↲
960k 0 0↲
↲
════════════════════════════════════════════════════════════════════════
↓
↲
════════════════════════════════════════════════════════════════════════
↓
┆a1┆┆b0┆Signal name┆06┆Description┆05┆↲
↲
MDPOUT0, 1 Memory data parity signals.↲
↲
════════════════════════════════════════════════════════════════════════
↓
↲
════════════════════════════════════════════════════════════════════════
↓
┆a1┆┆b0┆Signal name┆06┆Description┆05┆↲
↲
MDPOUT0 - 1 Memory data parity signals.↲
┆1f┆↓
┆1a┆┆1a┆5 ┆84┆Row address strobe in the adress ↓
┆19┆┆9b┆┄┄space:
B▶03◀▶06◀N▶04◀-N
▶06◀▶03◀▶01◀A1@▶05◀▶0f◀▶19◀#-7AKU_iså▶87◀▶91◀▶ff◀▶04◀▶06◀i
▶b0◀▶a1◀TABLE OF CONTENTS▶05◀PAGE
1. GENEREL ................................................ 1
\f
▶80◀▶bc◀
▶06◀ii
\f
▶80◀▶8c◀
▶14◀▶b3◀▶06◀▶0b◀
▶b0◀▶a1◀1. GENEREL
This manual contains the drawings for MEM754, which is used as a
memory expansion board in the RC750 system. The board contains
512k bytes of DRAM.
The board can be plugged into the connectors on the main memory
board, MEM752.
\f
▶80◀▶f8◀
▶a1◀▶b0◀Signal name▶06◀Description▶05◀
MD0-15 Memory data bus signals.
RC0-8 ▶84◀Time multiplexed row and colomn
▶19◀▶9b◀▶80◀▶80◀address signals.
-,RAS2, - 5 ▶84◀Row address strobe in the address
▶19◀▶9b◀▶80◀▶80◀space:
-,RAS2: 4000H - 5FFFFH
-,RAS3: 60000H - 7FFFFH
-,RAS4: 80000H - 9FFFFH
-,RAS5: A0000H - BFFFFH
-,WELO ▶84◀Write enable, low byte.
-,WEHI Write enable, high byte.
-,CAS Colomn address strobe.
MDPIN0, 1 Memory data parity signals.
MEMIDENT0, 1 Memory size identification signals:
Memory MEMIDENT
▶a1◀Size 0 1
256k 1 1
▶e1◀ ▶a1◀▶e1◀512k 0 1
▶a1◀760k 1 0
960k 0 0
\f
▶82◀▶f4◀
\f
▶80◀▶8c◀
▶a1◀▶b0◀Signal name▶06◀Description▶05◀
MDPOUT0, 1 Memory data parity signals.
\f
▶80◀▶b0◀
\f
▶80◀▶8c◀
▶a1◀▶b0◀Signal name▶06◀Description▶05◀
MDPOUT0 - 1 Memory data parity signals.
▶1f◀
«eof»