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BYTE DESCRIPTION
0 Number of Serial PD Bytes written during module production
1 Total number of Bytes in Serial PD device
2 Fundamental Memory Type (FPM, EDO, SDRAM …)
3 Number of Row Addresses on this assembly
4 Number of Column Addresses on this assembly
5 Number of DIMM Banks
6 Data Width of this assembly
7 Data Width of this assembly
8 Voltage Interface Level of this assembly
9 SDRAM Cycle time at Maximum Supported CAS Latency (CL), CL=X
10 SDRAM Access from Clock
11 DIMM configuration type (Non-parity, Parity or ECC)
12 Refresh Rate/Type
13 Primary SDRAM Width
14 Error Checking SDRAM Width
15 SDRAM Device Attributes: Minimum Clock Delay, Back-to-Back RCA
16 SDRAM Device Attributes: Burst Lengths Supported
17 SDRAM Device Attributes: Number of Banks on SDRAM Device
18 SDRAM Device Attributes: CAS Latency
19 SDRAM Device Attributes: CS Latency
20 SDRAM Device Attributes: Write Latency/DIMM Type Information
21 SDRAM Module Attributes
22 SDRAM Device Attributes: General
23 Minimum Clock Cycle at CL = X - 0.5
24 Maximum Data Access Time (tAC) from Clock at CL = X - 0.5
25 Minimum Clock Cycle at CL = X - 1
26 Maximum Data Access Time (tAC) from Clock at CL = X - 1
27 Minimum Row Precharge Time (tRP)
28 Minimum Row Active to Row Active delay (tRRD)
29 Minimum RAS to CAS delay (tRCD)
30 Minimum Active to Precharge Time (tRAS)
31 Module Bank Density
32 Address and Command Input Setup Time Before Clock
33 Address and Command Input Hold Time After Clock
34 Data Input Setup Time Before Clock
35 Data Input Hold Time After Clock
36 Write recovery time (tWR)
37 Internal write to read command delay (tWTR)
38 Internal read to precharge command delay (tRTP)
39 Memory Analysis Probe Characteristics
40 Extension of Byte 41 tRC and Byte 42 tRFC
41 SDRAM Device Minimum Active to Active/Auto Refresh Time (tRC)
42 SDRAM Device Minimum Auto Refresh to Active/Auto Refresh (tRFC)
43 SDRAM Device Maximum device cycle time (tCKmax)
44 SDRAM Device Maximum skew between DQS and DQ signals (tDQSQ)
45 DDR SDRAM Device Maximum Read Data Hold Skew Factor (tQHS)
46 Reserved for future use
47 SDRAM Device Attributes - DDR SDRAM DIMM Height
48 Reserved for future use
49 Reserved for future use
50 Reserved for future use
51 Reserved for future use
52 Reserved for future use
53 Reserved for future use
54 Reserved for future use
55 Reserved for future use
56 Reserved for future use
57 Reserved for future use
58 Reserved for future use
59 Reserved for future use
60 Reserved for future use
61 Reserved for future use
62 SPD Revision
63 Checksum for Bytes 0-62
64-255 Manufacturer’s specific data
SPD CONFIGURATION
GOODRAM logo and GOODDRIVE logo are registered trademarks of Wilk Elektronik S.A.
All other trademarks and logos are the property of their respective owners.
All products and specifications are subject to change without notice.
Rev. 04.12.2007
Wilk Elektronik S.A.
Poland, 43-174 £aziska Górne, ul. Miko³owska 42
tel.: 0-32/ 736 90 00, fax: 0-32/ 736 90 01
www.wilk.com.pl l www.goodram.com
© Wilk Elektronik S.A. 2007
www.goodram.com MEMORY MODULE SPECIFICATION
HEX DEC
0x80 128
0x08 8
0x07 7
0x0D 13
0x0B 11
0x02 2
0x40 64
0x00 0
0x04 4
0x50 80
0x70 112
0x00 0
0x82 130
0x08 8
0x00 0
0x01 1
0x0E 14
0x04 4
0x1C 28
0x01 1
0x02 2
0x20 32
0x01 1
0x60 96
0x70 112
0x75 117
0x75 117
0x3C 60
0x28 40
0x3C 60
0x28 40
0x80 128
0x60 96
0x60 96
0x40 64
0x40 64
0x00 0
0x00 0
0x00 0
0x00 0
0x00 0
0x37 55
0x41 65
0x28 40
0x28 40
0x50 80
0x00 0
0x00 0
0x00 0
0x00 0
0x00 0
0x00 0
0x00 0
0x00 0
0x00 0
0x00 0
0x00 0
0x00 0
0x00 0
0x00 0
0x00 0
0x00 0
0x11 17
0xF5 245
(2 pages)
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