Sayma v2.0 PCB modifications

Serial numbers are 1907180PW0009A0XXX where XXX is as below.

S/N	Design files	Current location
101	v2.0rc8	CTI
102	v2.0rc8	CTI
103	v2.0.1	SB
104	v2.0.1	CTI
105	v2.0.1	TH
106	v2.0.1	CTI
107	v2.0.1	SB
108	v2.0.1	CTI (@PW)
109	v2.0.1	TH
110	v2.0.1	TH
111	v2.0.1	SB

Details

1907180PW0009A0101

Date	Comment
	Removed C511 ( #126) Switched R92 to 100k Switched INIT_B pullup to 4k7 These changes update the board to v2.0.1 BoM.
30.09.2019	Sent to SB
	SB shorted hotswap
27.04.2020	Sent to CTI

1907180PW0009A0102

Date	Comment
	Removed C511 ( #126) Switched R92 to 100k Switched INIT_B pullup to 4k7 These changes update board the to v2.0.1 BoM. R91 → 100k
02.2020	Broken P5V0_PGOOD input in CPU
10.03.2020	Replaced CPU to fix P5V0_PGOOD

1907180PW0009A0103

Date	Comment
	R91 → 100k
10.04.2020	Sent to SB

Notes:

• hotswap from panel kit

1907180PW0009A0104

Date	Comment
	R91 → 100k

1907180PW0009A0105

Date	Comment
	R91 → 100k
12.02.2020	Sent to TH

1907180PW0009A0106

Date	Comment
	R91 → 100k

Notes:

• Had issues with communication with MCH in 3rd slot of R5 crate (Resolved)

1907180PW0009A0107

Date	Comment
	R91 → 100k
10.02.2020	Sent to SB

Notes:

• hotswap from panel kit

1907180PW0009A0108

Date	Comment
	R91 → 100k
	C423 → 10uF
	R93 → 100k

1907180PW0009A0109

Date	Comment
	R91 → 100k
21.02.2020	Sent to TH

1907180PW0009A0110

Date	Comment
	R91 → 100k
21.02.2020	Sent to TH

Notes:

• hotswap from panel kit

1907180PW0009A0111

Date	Comment
	Turns off 12V in 3rd slot in R5 crate
	R91 → 100k, fixes above problem
	Testing RTM hotswap: Removed IC15 Resoldered IC13 Resoldered IC24
	P5V0 PGOOD was sometimes low during test, fixed by reflowing IC24
10.04.2020	Sent to SB