is my RAM compatibility ok?

I'm using dell vostro 3450 laptop. i had this RAM by default : Samsung DDR3 4GB. after adding one more 4GB ram .. this is the scenario according to cpu z.

is this config ok ?
1. my second ram is twin mos
2. i plugged the new one in slot 1
3. i see mis match in JEDEC timings table.
It ud be a great help if anybody can explain these to me...Thanx

Chipset
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Northbridge Intel Sandy Bridge rev. 09
Southbridge Intel HM67 rev. B3
Memory Type DDR3
Memory Size 8 GBytes
Channels Dual
Memory Frequency 664.4 MHz (1:5)
CAS# latency (CL) 9.0
RAS# to CAS# delay (tRCD) 9
RAS# Precharge (tRP) 9
Cycle Time (tRAS) 24
Command Rate (CR) 1T
MCHBAR I/O Base address 0x0FED10000
MCHBAR I/O Size 19456
MCHBAR registers

Memory SPD
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DIMM # 1
SMBus address 0x50
Memory type DDR3
Module format SO-DIMM
Manufacturer (ID) TwinMOS (7F7F7F7F7F7F6B00)
Size 4096 MBytes
Max bandwidth PC3-10700 (667 MHz)
Part number
Serial number BBE41338
Manufacturing date Week 38/Year 13
Number of banks 8
Nominal Voltage 1.50 Volts
EPP no
XMP no
AMP no
JEDEC timings table CL-tRCD-tRP-tRAS-tRC @ frequency
JEDEC #1 5.0-5-5-14-19 @ 380 MHz
JEDEC #2 6.0-6-6-17-23 @ 457 MHz
JEDEC #3 7.0-7-7-20-27 @ 533 MHz
JEDEC #4 8.0-8-8-22-30 @ 609 MHz
JEDEC #5 9.0-9-9-25-34 @ 685 MHz
JEDEC #6 10.0-10-10-28-38 @ 761 MHz

DIMM # 2
SMBus address 0x52
Memory type DDR3
Module format SO-DIMM
Manufacturer (ID) Samsung (CE00000000000000)
Size 4096 MBytes
Max bandwidth PC3-10700 (667 MHz)
Part number M471B5273DH0-CH9
Serial number 6431C085
Manufacturing date Week 15/Year 11
Number of banks 8
Nominal Voltage 1.50 Volts
EPP no
XMP no
AMP no
JEDEC timings table CL-tRCD-tRP-tRAS-tRC @ frequency
JEDEC #1 5.0-5-5-14-19 @ 380 MHz
JEDEC #2 6.0-6-6-17-23 @ 457 MHz
JEDEC #3 7.0-7-7-20-27 @ 533 MHz
JEDEC #4 8.0-8-8-22-30 @ 609 MHz
JEDEC #5 9.0-9-9-25-34 @ 685 MHz
JEDEC #6 13.0-13-13-36-49 @ 990 MHz
JEDEC #7 15.0-15-15-42-57 @ 1142 MHz
JEDEC #8 17.0-17-17-47-64 @ 1295 MHz

DIMM # 1
SPD registers
00 01 02 03 04 05 06 07 08 09 0A 0B 0C 0D 0E 0F
00 92 11 0B 03 04 21 00 01 03 11 01 08 0C 00 7E 00
10 69 78 69 30 69 11 20 89 20 08 3C 3C 00 F0 83 05
20 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
30 00 00 00 00 00 00 00 00 00 00 00 00 0F 11 41 00
40 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
50 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
60 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
70 00 00 00 00 00 86 6B 00 13 38 BB E4 13 38 FF 54
80 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
90 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
A0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
B0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
C0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
D0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
E0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
F0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00

DIMM # 2
SPD registers
00 01 02 03 04 05 06 07 08 09 0A 0B 0C 0D 0E 0F
00 92 11 0B 03 03 19 00 09 03 11 01 08 0C 00 3E AA
10 69 78 69 30 69 11 20 89 00 05 3C 3C 00 F0 83 01
20 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
30 00 00 00 00 00 00 00 00 00 00 00 00 0F 11 65 00
40 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
50 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
60 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
70 00 00 00 00 00 80 CE 02 11 15 64 31 C0 85 7B FC
80 4D 34 37 31 42 35 32 37 33 44 48 30 2D 43 48 39
90 20 20 00 00 80 CE 00 00 00 54 31 31 41 30 30 30
A0 01 00 01 00 00 01 00 00 00 00 00 00 00 00 00 00
B0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
C0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
D0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
E0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
F0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00