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TWGS




Here is a drawing I did of a Transwarp GS. If you put a real TWGS up to my computer monitor, it is a perfect fit. I spent a few hours on the drawing.



Have you ever wondered what the pinout was for the TWGS cache connectors?





Cache Pinout:

A   
01  (2) 11  (2 I/O 6)					RAM 2 I/0
02  (2) 13  (2 I/O 4)    				RAM 2 I/0
03  (2)     (2 I/O 2)**                                 RAM 2 I/0
04  (2)     (2 I/O 0)**					RAM 2 I/0
05  GND
06  (1) 11  (1 I/O 6)                                   RAM 1 I/0
07  (1) 13  (1 I/O 4)					RAM 1 I/0
08  (1) 16  (1 I/O 2)					RAM 1 I/0
09  (1) 18  (1 I/O 0) 					RAM 1 I/0
10  ??????
11  (2) 10  (2 I/O 7)  					RAM 2 I/0
12  (2) 12  (2 I/O 5)					RAM 2 I/0
13  (2) 14  (2 I/O 3)					RAM 2 I/0
14  (2) 17  (2 I/O 1) 					RAM 2 I/0
15  ??????
16  (1) 05  (1 I/O 7)					RAM 1 I/0
17  (1) 03  (1 I/O 5)  					RAM 1 I/0
18  (1) 14  (1 I/O 3)					RAM 1 I/0
19  (1) 17  (1 I/O 1)   				RAM 1 I/0
20  ??????  


B   
01 EPROM 11(I/O 6)                                      EPROM I/O	
02 EPROM 13(I/O 4) 					EPROM I/O		
03 EPROM 16(I/O 2)                    			EPROM I/O	
04 EPROM 18(I/O 0)					EPROM I/O	
05 EPROM 1,28, (B) 06, (1) 01 (2) 01 (3) 01  (vcc)      POWER
06 SAME AS 5	 	 	 	 	 	POWER
07  EPROM 05 RAM (3) 05 (2) 05 (1) 05   (A9)            ADDRESS
08  EPROM 06 RAM (3) 06 (2) 06 (1) 06   (A11)           ADDRESS
09  EPROM 03 RAM (3) 03 (2) 03 (1) 03   (A13)           ADDRESS
10  ??????
11  EPROM 10(DQ 7)					EPROM 	
12  EPROM 12(DQ 5)				 	EPROM 	
13  EPROM 14(DQ 3)					EPROM 		
14  EPROM 17(DQ 1)                                      EPROM 	
15  EPROM 1, 28 (VCC, VPP)                              EPROM POWER
16 ??? nc???
17 EPROM 04 (A08) RAM  (1) 04 (2) 04 (3) 04   (A 08)    ADDRESS 
18 EPROM 08 (A10) RAM  (1) 08 (2) 08 (3) 08   (A 10)    ADDRESS  
19 EPROM 27 (A12) RAM  (1) 27 (2) 27 (3) 27   (A 12)    ADDRESS 
20 EPROM 02 (A14) RAM  (1) 28 (2) 28 (3) 28   (A 14)    ADDRESS

C    
01 (3) 11(I/O 6)          				RAM 3 I/0
02 (3) 13(I/O 4)          				RAM 3 I/0
03 (3) 16(I/O 2)          				RAM 3 I/0
04 (3) 18(I/O 0)          				RAM 3 I/0
05 ???
06
07  (3) 25 (2) 25 (1) 25  		 		RAM ADDR  (A6)
08  (3) 23 (2) 23 (1) 23  				RAM ADDR  (A4)
09  (3) 21 (2) 21 (1) 21  				RAM ADDR  (A2) 
10  (3) 19 (2) 19 (1) 19  				RAM ADDR  (A0)
11  (3) 05 (I/O 7)        				RAM 3 I/0
12  (3) 03 (I/O 5)        				RAM 3 I/0
13  (3) 01 (I/O 3)        				RAM 3 I/0
14  (3) 17 (I/O 1)        				RAM 3 I/0  
15  (3) 08 (OE)           				RAM 3 SELECT
16 ??? nc???
17 (3) 26 (2) 26 (1) 26   				RAM ADDR  (A7)
18 (3) 24 (2) 24 (1) 24   				RAM ADDR  (A5)
19 (3) 22 (2) 22 (1) 22   				RAM ADDR  (A3)
20 (3) 20 (2) 20 (1) 20   				RAM ADDR  (A1)



Like the page? Any ideas for expanding the cache? Let me know! Email Osites

Click here to go to the TWGS CPU passthru connector page.