
Chapter 5. IBM AS/400e 720, 730, and 740 models 177
#6831 #6831 1.6 GB Read Cache Device
The #6831 provides 1.6 GB of capacity for large read cache function. Is mutually exclusive with DASD compression. The
system arrives in performance mode with compression function turned off on the #2748 PCI RAID Disk Unit Controller.
Mirroring is not supported on the #6831.
Prerequisite: #2748 PCI RAID Disk Unit Controller
One DASD slot 1.6-inch in the system unit or in the #9364 System Unit Expansion
Maximum: One per #2748 PCI RAID Disk Unit Controller
Supported on Model 720
Minimum operating system level: OS/400 V4R4
The #6831 was withdrawn from marketing on 1 March 2002.
#6906 1.96 GB Additional 2-byte Disk Unit (Ultra SCSI)
The #6906 provides a 3 ½-inch single disk unit with 1.96 GB capacity for additional disk storage.
Supported in the #5052, #5055, #5057, or #5058 Storage Expansion Unit or the #5082 Storage Expansion Tower or #5083
Storage Expansion Towers and in the #9251 Base I/O Tower or Model 730 system tower. For best performance when
installed in Storage Expansion or Storage Expansion Tower, use the #6532 or #6533 RAID Disk Unit Controller (Ultra
SCSI) in a #5058 or #5083.
#6907 4.19 GB Additional 2-byte Disk Unit (Ultra SCSI)
The #6907 provides a 3
½-inch single disk unit with 4.19 GB capacity for additional disk storage.
Supported in the #5052, #5055, #5057, or #5058 Storage Expansion Unit, or #5082 Storage Expansion Tower or #5083
Storage Expansion Towers and in the #9251 Base I/O Tower or Model 730 system tower. For best performance when
installed in Storage Expansion or Storage Expansion Tower, use the #6532 or #6533 RAID Disk Unit Controller (Ultra
SCSI) in a #5058 Storage Expansion Unit or #5083.
The #6907 was withdrawn from marketing on 29 December 2000.
#8617 8.58 GB Optional Base 2-byte Disk Unit 10k RPM (Ultra SCSI)
The #8617 provides a 3
½-inch single disk unit with 8.58 GB capacity as the base disk unit in place of the #9907. It is not
supported on the #6502, #6512, or #6530.
Supported on Models 730 and 740
Minimum operating system level: OS/400 V4R3
#8618 17.54 GB Optional Base 2-byte Disk Unit 10k RPM (Ultra SCSI)
The #8618 provides a 3
½-inch single disk unit with 8.58 GB capacity as the base disk unit in place of the #9907. It is not
supported on the #6502, #6512, or #6530.
Supported on Models 730 and 740
Minimum operating system level: OS/400 V4R4
#8713 8.58 GB Optional Base 2-byte Disk Unit (Ultra SCSI)
The #8713 provides a 3 ½-inch single disk unit with 8.58 GB capacity as the base disk unit in place of the #9907.
Supported on Models 730 and 740
#8714 17.54 GB Optional Base 2-Byte Disk Unit (Ultra SCSI)
The #8714 provides a 3
½-inch single disk unit with 17.54 GB capacity as the base disk unit in place of the #9907.
The #8714 was withdrawn from marketing on 31 January 2001.
#8813 8.58 GB Optional Base 2-byte Disk Unit (Ultra SCSI)
The #8813 provides a 3
½-inch single disk unit with 8.58 GB capacity as the base disk unit in place of the #9707.
Supported on Models 720
The #8813 was withdrawn from marketing on 31 January 2001.
#8817 #8817 8.58 GB Optional Base Two-byte Disk Unit 10k RPM (Ultra SCSI)
The #8817 provides a 3
½-inch single disk unit with 8.58 GB capacity as the base disk unit in place of the #9707.
Supported only in the system unit or #5064/#9364 system unit expansion. It is not supported on the #9364 with the #6502,
#6512, or #6530.
Supported on Model 720
Minimum operating system level: OS/400 V4R3
The #8817 was withdrawn from marketing on 28 December 2001.