
IBM ServeRAID Quick Reference - Archive 41
Feature comparison
The following three tables provide a comparison of features between the members of the ServeRAID
family and other RAID controllers sold by IBM.
RAID controller device driver downloads: http://ibm.com/support/entry/portal/docdisplay?lndocid=
MIGR-65723
Feature comparison - ServeRAID 1-4 adapters
Table 7. Feature comparison - ServeRAID to ServeRAID 4H
Feature_____________ SR II 3L 3L-II* 3H 3HB 4L 4Lx 4M 4Mx 4H
SCSI or SATA SCSI SCSI SCSI SCSI SCSI SCSI SCSI SCSI SCSI SCSI SCSI
First available 1996 1997 1998 2000 1998 1999 2000 2001 2000 2001 2000
US Announcement Letter 196-134 197-25
6
198-23
2
100-10
1
198-23
2
199-152 100-09
9
101-14
6
100-09
9
101-14
6
100-09
9
Marketing part number 70G848
9
76H358
4
01K736
4
19K056
4
01K720
7
37L608
6
37L609
1
06P574
0
37L608
0
06P573
6
37L688
9
FRU part number (adapter only) 06H933
4
76H358
7
37L608
3
01K735
2
01K735
2
01K739
6
01K739
6
09N954
0
06P574
1
37L725
8
06P573
7
37L689
2
Useful links Drivers Drivers Drivers Drivers Drivers Drivers Guide
Drivers
Guide
Drivers
Guide
Drivers
Guide
Drivers
Guide
Drivers
Internal connectors 3 3 1 1 1 1 1 1 2 2 2
External connectors (std/max) 1/1 2/3 1/1 1/1 2/3 2/3 1/1 1/1 2/2 2/2 4/4
Cable for extra external connector None Optiona
l
76H540
0
None None Include
d
Include
d
None None None None None
External connector type 68 pin VHDCI VHDCI VHDCI VHDCI VHDCI VHDCI VHDCI VHDCI VHDCI VHDCI
Cache 4 MB 4 MB 4 MB 4 MB 32 MB 32 MB 16 MB 32 MB 64 MB 64 MB 128 MB
Battery backup for cache No Optiona
l
76H540
1
28L100
3
No No Option
al
28L100
3
Yes No No Yes Yes Yes
SCSI channels / SATA ports 3 3 1 1 3 3 1 1 2 2 4
Disks per channel (SCSI) or port
(SATA)
15 15 15 15 15 15 15 14 15 14 15
SCSI level SCSI
F/W
Ultra Ultra2 Ultra2 Ultra2 Ultra2 Ultra16
0
Ultra16
0
Ultra16
0
Ultra16
0
Ultra16
0
PCI or PCI-X or PCI Express PCI PCI PCI PCI PCI PCI PCI PCI PCI PCI PCI
PCI bus speed 33 MHz 33 MHz 33 MHz 33
MHz
33 MHz 33 MHz 33 MHz 66 MHz 33 MHz 66 MHz 33 MHz
PCI bus width 32 bit 32 bit 32 bit 32 bit 64 bit 64 bit 64 bit 64 bit 64 bit 64 bit 64 bit
PCI bus voltage 5V 5V 5V 5V 5V 5V 3.3 or
5V
3.3 or
5V
3.3 or
5V
3.3 or
5V
3.3 or
5V
Autosync No Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes
"Optimal" SCSI speed setting No No Yes Yes Yes Yes Yes Yes Yes Yes Yes
LVDS support No No Yes Yes Yes Yes Yes Yes Yes Yes Yes
I
2
O enabled No No Yes Yes Yes Yes Yes Yes Yes Yes Yes
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