HP Color LaserJet 8500 Service Manual - Page 108

Verifying DIMM installation The HP Color LaserJet 8500 printer comes with the following amounts of memory installed in slots 1 and 2: l 16-MB DIMMs in the base and N models l 32-MB DIMMs in the DN model The HP Color LaserJet 8550 printer comes with the following amounts of memory installed in slots 1 and 2: l 16-MB DIMMs in the base model l 32-MB DIMMs in the N, DN, and MFP models (2 x 32 = 64) l 64-MB DIMMs in the GN model (2 x 64 = 128) In all printer models, slots 3 through 8 are available for additional DIMMs. The printer supports ROM and synchronous DRAM DIMMs. Extended data out (EDO) or Fast Page Mode DRAM DIMMs are not supported. 7 5 3 1 8 6 4 2 Figure 15. DIMM slot configuration o DRAM DIMMs must be installed in synchronized pairs: two DIMMs with the same amount of DRAM are installed in facing left and right slots (such as slots 5 and 6). o ROM DIMMs need not be installed in a specific configuration. For example, ROM DIMMs can be installed in slots 1 and 3, and slot 2 can be empty. However, ROM DIMMs cannot be installed as pairs (in corresponding left and right slots). o The minimum amount of memory required to start the printer is 16-MB DIMMs installed in both slots 1 and 2. 106 Chapter 3 - Operational overview EN