APOLLO GUIDANCE COMPUTER (AGC) Schematics (original) (raw)

The documents below, courtesy of Eldon C. Hall, are schematics for the Block II Apollo Guidance Computer.

Please see related documents on the AGC Integrated Circuits and Reliability Page. Detailed examination of the problems associated with the packages can be found in those reports, along with die related issues. Additionally, a partial analysis of Apollo devices has been conducted. TheAGC NOR Gate Specifications goes along with this page. Additional documents related to and about the AGC are also available. Additionally, the Apollo Guidance Computer and Other Computer History will be of interest to readers of this page.

INDEX TO DRAWINGS

INTERFACE A25-A26 INTERFACE A27-A29 INTERFACE A30-A31 CLOCK OSCILLATOR POWER SUPPLY DUAL NOR GATE RESTART MONITOR SCALER MODULE TIMER S Q REGISTER AND DECODING STAGE BRANCH DECODING MODULE CROSS POINT GENERATOR NQI CROSS POINT GENERATOR II SERVICE GATES COUNTER CELL 1 COUNTER CELL II 4 BIT MODULE (1 OF 4) 4 BIT MODULE (2 OF 4) 4 BIT MODULE (3 OF 4) 4 BIT MODULE (4 OF 4) PARITY AND S REGISTER ALARMS MEMORY TIMING & ADDRESSING RUPT SERVICE INOUT I INOUT II INOUT III INOUT IV INOUT V INOUT VI INOUT VII

(.zip file)

| | SHEET 1 | SHEET 2 | SHEET 3 | | | ------------------------------------------------------------------------------------------------- | ---------------------------------------------------------------------------------------------- | ---------------------------------------------------------------------------------------------- | -------------------------------------------------------------------------------------------- | | SCHEMATIC DUAL NOR GATE DRAWING NO. 2005011 | | | | | LOGIC FLOW DIAGRAM RESTART MONITOR CHANNEL 77 ALARM BOX DRAWING NO. 2003305 | | | | | LOGIC FLOW DIAGRAM MODULE NO. A1 SCALER MODULE DRAWING NO. 2005259 | | | | | LOGIC FLOW DIAGRAM MODULE NO. A2 TIMER DRAWING NO. 2005260 | | | | | LOGIC FLOW DIAGRAM MODULE NO. A3 S Q REGISTER AND DECODING DRAWING NO. 2005251 | | | | | LOGIC FLOW DIAGRAM MODULE NO. A4 STAGE BRANCH DECODING MODULE DRAWING NO. 2005262 | | | | | LOGIC FLOW DIAGRAM MODULE NO. A5 CROSS POINT GENERATOR NQI DRAWING NO. 2005261 | | | | | LOGIC FLOW DIAGRAM MODULE NO. A6 CROSS POINT GENERATOR II DRAWING NO. 2005263 | | | | | LOGIC FLOW DIAGRAM MODULE NO. A7 SERVICE GATES DRAWING NO. 2005252 | | | | | LOGIC FLOW DIAGRAM MODULE NO. A8 4 BIT MODULE DRAWING NO. 2005255 | | | | | LOGIC FLOW DIAGRAM MODULE NO. A9 4 BIT MODULE DRAWING NO. 2005256 | | | | | LOGIC FLOW DIAGRAM MODULE NO. A10 4 BIT MODULE DRAWING NO. 2005257 | | | | | LOGIC FLOW DIAGRAM MODULE NO. A11 4 BIT MODULE DRAWING NO. 2005258 | | | | | LOGIC FLOW DIAGRAM MODULE NO. A12 PARITY AND S REGISTER DRAWING NO. 2005253 | | | | | LOGIC FLOW DIAGRAM MODULE NO. A13 ALARMS DRAWING NO. 2005269 | | | | | LOGIC FLOW DIAGRAM MODULE NO. A14 MEMORY TIMING & ADDRESSING DRAWING NO. 2005264 | | | | | LOGIC FLOW DIAGRAM MODULE NO. A15 RUPT SERVICE DRAWING NO. 2005265 | | | | | LOGIC FLOW DIAGRAM MODULE NO. A16 INOUT I DRAWING NO. 2005266 | | | | | LOGIC FLOW DIAGRAM MODULE NO. A17 INOUT II DRAWING NO. 2005267 | | | | | LOGIC FLOW DIAGRAM MODULE NO. A18 INOUT III DRAWING NO. 2005268 | | | | | LOGIC FLOW DIAGRAM MODULE NO. A19 INOUT IV DRAWING NO. 2005270 | | | | | LOGIC FLOW DIAGRAM MODULE NO. A20 COUNTER CELL 1 DRAWING NO. 2005254 | | | | | LOGIC FLOW DIAGRAM MODULE NO. A21 COUNTER CELL II DRAWING NO. 2005250 | | | | | LOGIC FLOW DIAGRAM MODULE NO. A22 INOUT V DRAWING NO. 2005271 | | | | | LOGIC FLOW DIAGRAM MODULE NO. A23 INOUT VI DRAWING NO. 2005272 | | | | | LOGIC FLOW DIAGRAM MODULE NO. A24 INOUT VII DRAWING NO. 2005273 | | | |