IBM HANDBOOK 260 - Manual (Page 77)

Detailed Product Descriptions 59
memory DIMMs (64 MB, 128 MB, and 256 MB). The available memory
specifications are shown in Table 7.
Table 7. Optional Memory for Model 150
3.1.3.2 Internal Disk Drives
Three internal Ultra SCSI disks drives can be accommodated in the internal
bays of the system. For more detailed information about the disk drives see
Table 29 on page 121.
3.1.3.3 Internal CD-ROM Drive
One additional 32X CD-ROM drive can be added to the system (# 2624) into
media bay 3. For this the Media Bay Disk Drive Mounting Kit (# 6509) is
required. You can find more detailed technical information about the CD-ROM
drive in Table 30 on page 122.
3.1.3.4 Internal Tape Drive
One 12 / 24 GB 4 mm internal tape drives can be installed in the internal bay
of the system. For detailed information about the internal tape drives, refer to
the Table 31 on page 122.
3.1.3.5 Keyboard
New Stealth Black Quiet Touch Keyboards (# 87xx
1
) are available in 37
languages. They have the same quiet and soft touch as the Pearl White Quiet
Touch Keyboards (# 66xx
1
). Like their predecessors, these keyboards have
removable wrist rests for added comfort, and a 3-meter cable for added
flexibility.
(
1
xx depends on the country)
Memory Density (SDRAM DIMM) 256 MB 128 MB 64 MB
Feature Code # 4169 # 4150 # 4149
Average Seek Time 10 ns 10 ns 10 ns
Number of PINs 168 168 168
Type Buffered
SDRAM Buffered
SDRAM Buffered
SDRAM
The DIMMs do not have to be installed in pairs.
Note