Toshiba X500 manual PI N No Signal name PIN No

					Pin Assignment
PI N No.	Signal name	I/O	PIN No.	Signal name	I/O
1	+0.9VSMDDR_VREF_	---	2	GND	---
	DIMM
3	GND	---	4	M_B_DQ0	I/O
5	M_B_DQ5	I/O	6	M_B_DQ1	I/O
7	M_B_DQ4	I/O	8	GND	---
9	GND	---	10	M_B_DM0	I
11	M_B_DQS#0	I/O	12	GND	---
13	M_B_DQS0	I/O	14	M_B_DQ7	I/O
15	GND	---	16	M_B_DQ6	I/O
17	M_B_DQ2	I/O	18	GND	---
19	M_B_DQ3	I/O	20	M_B_DQ12	I/O
21	GND	---	22	M_B_DQ13	I/O
23	M_B_DQ8	I/O	24	GND	---
25	M_B_DQ9	I/O	26	M_B_DM1	I
27	GND	---	28	GND	---
29	M_B_DQS#1	I/O	30	M_CLK_DDR3	I
31	M_B_DQS1	I/O	32	M_CLK_DDR#3	I
33	GND	---	34	GND	---
35	M_B_DQ14	I/O	36	M_B_DQ11	I/O
37	M_B_DQ15	I/O	38	M_B_DQ10	I/O
39	GND	---	40	GND	---
41	GND	---	42	GND	---
43	M_B_DQ20	I/O	44	M_B_DQ21	I/O
45	M_B_DQ17	I/O	46	M_B_DQ16	I/O
47	GND	---	48	GND	---
49	M_B_DQS#2	I/O	50	PM_EXTTS#1	O

10 Qosmio X500 Maintenance Manual (960-Q08)