board	slot	1st word bit	Description
		(1-32)		
-----	----	------------	-----------------------

word #0 IO_W(1)			
1	21	 1		SCF, Stopping HEX bit#0
1	21	 2		SCF, Stopping HEX bit#1
1	21	 3		SCF, Stopping HEX bit#2
1	21	 4		SCF, One and only one T.2
1	21	 5		SCF, Stopping Sector bit#0
1	21	 6		SCF, Stopping Sector bit#1
1	21	 7		SCF, T.2 Sector bit#0
1	21	 8		SCF, T.2 Sector bit#1
1	21	 9		unused
1	21	10		L19_veto enable clock
1	21	11		unused
1	21	12		unused
1	21	13		unused
1	21	14		unused
1	21	15		unused
1	21	16		unused
				
1	21	17		L1.2: last FERA station checked
1	21	18		L1.2: last FERA station checked
1	21	19		L1.2: last FERA station checked
1	21	20		L1.2: last FERA station checked
1	21	21		L1.2: last FERA station checked
1	21	22		L1.2: invalid SCF address bit (F=pass and T=fail)
1	21	23		L1.2: HEX afterburner bit (F=pass and T=fail)
1	21	24		L1.2: last FERA address checked
1	21	25		L1.2: last FERA address checked
1	21	26		L1.2: last FERA address checked
1	21	27		L1.2: last FERA address checked
1	21	28		L1.2: unused
1	21	29		L1.2: unused
1	21	30		L1.2: unused
1	21	31		L1.2: unused
1	21	32		L1.2: unused

word #1 IO_W(2)			

1	22	 1		

word #0 IO_W(3)			

1	23	 1		
1	23	 2		
1	23	 3		
1	23	 4		
1	23	 5		
1	23	 6		
1	23	 7		
1	23	 8		
1	23	 9		
1	23	10		
1	23	11		
1	23	12		
1	23	13		
1	23	14		
1	23	15		
1	23	16		

1	23	17		RSMON LED# 1, RS group 1M (sectors 1,5,..)
1	23	18		RSMON LED# 2, RS group 2M (sectors 2,6,..)   
1	23	19		RSMON LED# 3, RS group 3M (sectors 3,7,..)
1	23	20		RSMON LED# 4, RS group 4M (sectors 4,8,..)
1	23	21		RSMON LED# 5, RS group 1P
1	23	22		RSMON LED# 6, RS group 2P
1	23	23		RSMON LED# 7, RS group 3P
1	23	24		RSMON LED# 8, RS group 4P
1	23	25		RSMON LED# 9, BV/BVL Upstr.R (viewed from end)
1	23	26		RSMON LED#10, BV/BVL Upstr.L
1	23	27		RSMON LED#11, BV/BVL Downstr.L
1	23	28		RSMON LED#12, BV/BVL Downstr.R
1	23	29		
1	23	30		
1	23	31		
1	23	32		

word #1 IO_W(4)			

1	23	 1
1	23	 2
1	23	 3
1	23	 4
1	23	 5
1	23	 6
1	23	 7
1	23	 8
1	23	 9
1	23	10
1	23	11
1	23	12
1	23	13
1	23	14
1	23	15
1	23	16

word #1 IO_W(4)			

1	23	17		OTB:
1	23	18		OTB:
1	23	19		OTB:
1	23	20		OTB:
1	23	21		OTB:
1	23	22		OTB:
1	23	23		OTB:
1	23	24		OTB:
1	23	25		OTB:
1	23	26		OTB:
1	23	27		OTB:
1	23	28		OTB:
1	23	29		OTB:
1	23	30		OTB:
1	23	31		OTB:
1	23	32		OTB: