Model Number Naming For Compaq Products - Compaq Deskpro 2000 Service & Reference Manual

Compaq Professional Workstations
Processors 600 MHz and Lower
55/600EB/128R6/18L/3M
1st two
digits of
product
name
Notes: **
Processor speeds 650 MHz
and faster will not have letter
designations.
B - 133 MHz system bus
E - Advanced Transfer Cache
H-2

Model Number Naming for Compaq Products

Processor
Speed
=/< 600 MHz
Processor Type**
B - P III/133 MHz
E - P III/100 MHz
EB - PIII/133
X - PIII Xeon
blank - PIII/100 MHz
Memory,
MB RAM
Memory Type
R - Rambus
S - SDRAM
Memory Speed
6 - 600 MHz
7 - 700 MHz
8 - 800 MHz
Hard Drive Capacity
and Type
18 - 18.0 GB
A - UATA
- Ultra2 or Ultra3
L
SCSI (LVD drive)
S - SCSI
Graphics
2 - 2D
2+ - 2D/3D
3M - Mid 3D
3E - Enh. 3D
2X - multi 2 port
4X - multi 4 port
X - no graphics